Michael Haggerty | 7bd9bcf | 2015-11-09 14:34:01 +0100 | [diff] [blame] | 1 | /* |
| 2 | * The backend-independent part of the reference module. |
| 3 | */ |
| 4 | |
Daniel Barkalow | 95fc751 | 2005-06-06 16:31:29 -0400 | [diff] [blame] | 5 | #include "cache.h" |
Brandon Williams | b2141fc | 2017-06-14 11:07:36 -0700 | [diff] [blame] | 6 | #include "config.h" |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 7 | #include "hashmap.h" |
Michael Haggerty | 697cc8e | 2014-10-01 12:28:42 +0200 | [diff] [blame] | 8 | #include "lockfile.h" |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 9 | #include "iterator.h" |
Junio C Hamano | 8502357 | 2006-12-19 14:34:12 -0800 | [diff] [blame] | 10 | #include "refs.h" |
Michael Haggerty | 4cb7700 | 2015-11-10 12:42:36 +0100 | [diff] [blame] | 11 | #include "refs/refs-internal.h" |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 12 | #include "run-command.h" |
Ævar Arnfjörð Bjarmason | 5e3aba3 | 2021-09-26 21:03:26 +0200 | [diff] [blame] | 13 | #include "hook.h" |
Stefan Beller | cbd53a2 | 2018-05-15 16:42:15 -0700 | [diff] [blame] | 14 | #include "object-store.h" |
Junio C Hamano | cf0adba | 2006-11-19 13:22:44 -0800 | [diff] [blame] | 15 | #include "object.h" |
| 16 | #include "tag.h" |
Nguyễn Thái Ngọc Duy | 5d0bc90 | 2017-03-26 09:42:31 +0700 | [diff] [blame] | 17 | #include "submodule.h" |
Nguyễn Thái Ngọc Duy | 17eff96 | 2017-04-24 17:01:22 +0700 | [diff] [blame] | 18 | #include "worktree.h" |
Jeff King | dbbcd44 | 2020-07-28 16:23:39 -0400 | [diff] [blame] | 19 | #include "strvec.h" |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 20 | #include "repository.h" |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 21 | #include "sigchain.h" |
Ævar Arnfjörð Bjarmason | 88c7b4c | 2022-02-16 09:14:02 +0100 | [diff] [blame] | 22 | #include "date.h" |
Derrick Stolee | b9342b3 | 2022-08-05 17:58:36 +0000 | [diff] [blame] | 23 | #include "commit.h" |
Stefan Beller | 3581d79 | 2014-12-12 09:57:02 +0100 | [diff] [blame] | 24 | |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 25 | /* |
Ronnie Sahlberg | 3dce444 | 2016-09-04 18:08:10 +0200 | [diff] [blame] | 26 | * List of all available backends |
| 27 | */ |
| 28 | static struct ref_storage_be *refs_backends = &refs_be_files; |
| 29 | |
| 30 | static struct ref_storage_be *find_ref_storage_backend(const char *name) |
| 31 | { |
| 32 | struct ref_storage_be *be; |
| 33 | for (be = refs_backends; be; be = be->next) |
| 34 | if (!strcmp(be->name, name)) |
| 35 | return be; |
| 36 | return NULL; |
| 37 | } |
| 38 | |
Ronnie Sahlberg | 3dce444 | 2016-09-04 18:08:10 +0200 | [diff] [blame] | 39 | /* |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 40 | * How to handle various characters in refnames: |
| 41 | * 0: An acceptable character for refs |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 42 | * 1: End-of-component |
| 43 | * 2: ., look for a preceding . to reject .. in refs |
| 44 | * 3: {, look for a preceding @ to reject @{ in refs |
Jacob Keller | 53a8555 | 2015-07-22 14:05:32 -0700 | [diff] [blame] | 45 | * 4: A bad character: ASCII control characters, and |
Jacob Keller | cd377f4 | 2015-07-22 14:05:33 -0700 | [diff] [blame] | 46 | * ":", "?", "[", "\", "^", "~", SP, or TAB |
| 47 | * 5: *, reject unless REFNAME_REFSPEC_PATTERN is set |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 48 | */ |
| 49 | static unsigned char refname_disposition[256] = { |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 50 | 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
| 51 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
Jacob Keller | cd377f4 | 2015-07-22 14:05:33 -0700 | [diff] [blame] | 52 | 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 2, 1, |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 53 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 4, |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 54 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 55 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 0, 4, 0, |
| 56 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 57 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 4, 4 |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 58 | }; |
| 59 | |
Derrick Stolee | b9342b3 | 2022-08-05 17:58:36 +0000 | [diff] [blame] | 60 | struct ref_namespace_info ref_namespace[] = { |
| 61 | [NAMESPACE_HEAD] = { |
| 62 | .ref = "HEAD", |
| 63 | .decoration = DECORATION_REF_HEAD, |
| 64 | .exact = 1, |
| 65 | }, |
| 66 | [NAMESPACE_BRANCHES] = { |
| 67 | .ref = "refs/heads/", |
| 68 | .decoration = DECORATION_REF_LOCAL, |
| 69 | }, |
| 70 | [NAMESPACE_TAGS] = { |
| 71 | .ref = "refs/tags/", |
| 72 | .decoration = DECORATION_REF_TAG, |
| 73 | }, |
| 74 | [NAMESPACE_REMOTE_REFS] = { |
| 75 | /* |
| 76 | * The default refspec for new remotes copies refs from |
| 77 | * refs/heads/ on the remote into refs/remotes/<remote>/. |
| 78 | * As such, "refs/remotes/" has special handling. |
| 79 | */ |
| 80 | .ref = "refs/remotes/", |
| 81 | .decoration = DECORATION_REF_REMOTE, |
| 82 | }, |
| 83 | [NAMESPACE_STASH] = { |
| 84 | /* |
| 85 | * The single ref "refs/stash" stores the latest stash. |
| 86 | * Older stashes can be found in the reflog. |
| 87 | */ |
| 88 | .ref = "refs/stash", |
| 89 | .exact = 1, |
| 90 | .decoration = DECORATION_REF_STASH, |
| 91 | }, |
| 92 | [NAMESPACE_REPLACE] = { |
| 93 | /* |
| 94 | * This namespace allows Git to act as if one object ID |
| 95 | * points to the content of another. Unlike the other |
| 96 | * ref namespaces, this one can be changed by the |
| 97 | * GIT_REPLACE_REF_BASE environment variable. This |
| 98 | * .namespace value will be overwritten in setup_git_env(). |
| 99 | */ |
| 100 | .ref = "refs/replace/", |
| 101 | .decoration = DECORATION_GRAFTED, |
| 102 | }, |
| 103 | [NAMESPACE_NOTES] = { |
| 104 | /* |
| 105 | * The refs/notes/commit ref points to the tip of a |
| 106 | * parallel commit history that adds metadata to commits |
| 107 | * in the normal history. This ref can be overwritten |
| 108 | * by the core.notesRef config variable or the |
| 109 | * GIT_NOTES_REFS environment variable. |
| 110 | */ |
| 111 | .ref = "refs/notes/commit", |
| 112 | .exact = 1, |
| 113 | }, |
| 114 | [NAMESPACE_PREFETCH] = { |
| 115 | /* |
| 116 | * Prefetch refs are written by the background 'fetch' |
| 117 | * maintenance task. It allows faster foreground fetches |
| 118 | * by advertising these previously-downloaded tips without |
| 119 | * updating refs/remotes/ without user intervention. |
| 120 | */ |
| 121 | .ref = "refs/prefetch/", |
| 122 | }, |
| 123 | [NAMESPACE_REWRITTEN] = { |
| 124 | /* |
| 125 | * Rewritten refs are used by the 'label' command in the |
| 126 | * sequencer. These are particularly useful during an |
| 127 | * interactive rebase that uses the 'merge' command. |
| 128 | */ |
| 129 | .ref = "refs/rewritten/", |
| 130 | }, |
| 131 | }; |
| 132 | |
| 133 | void update_ref_namespace(enum ref_namespace namespace, char *ref) |
| 134 | { |
| 135 | struct ref_namespace_info *info = &ref_namespace[namespace]; |
| 136 | if (info->ref_updated) |
| 137 | free(info->ref); |
| 138 | info->ref = ref; |
| 139 | info->ref_updated = 1; |
| 140 | } |
| 141 | |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 142 | /* |
| 143 | * Try to read one refname component from the front of refname. |
| 144 | * Return the length of the component found, or -1 if the component is |
| 145 | * not legal. It is legal if it is something reasonable to have under |
| 146 | * ".git/refs/"; We do not like it if: |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 147 | * |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 148 | * - it begins with ".", or |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 149 | * - it has double dots "..", or |
Jacob Keller | 53a8555 | 2015-07-22 14:05:32 -0700 | [diff] [blame] | 150 | * - it has ASCII control characters, or |
Jacob Keller | cd377f4 | 2015-07-22 14:05:33 -0700 | [diff] [blame] | 151 | * - it has ":", "?", "[", "\", "^", "~", SP, or TAB anywhere, or |
| 152 | * - it has "*" anywhere unless REFNAME_REFSPEC_PATTERN is set, or |
Jacob Keller | 53a8555 | 2015-07-22 14:05:32 -0700 | [diff] [blame] | 153 | * - it ends with a "/", or |
| 154 | * - it ends with ".lock", or |
| 155 | * - it contains a "@{" portion |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 156 | * |
| 157 | * When sanitized is not NULL, instead of rejecting the input refname |
| 158 | * as an error, try to come up with a usable replacement for the input |
| 159 | * refname in it. |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 160 | */ |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 161 | static int check_refname_component(const char *refname, int *flags, |
| 162 | struct strbuf *sanitized) |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 163 | { |
| 164 | const char *cp; |
| 165 | char last = '\0'; |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 166 | size_t component_start = 0; /* garbage - not a reasonable initial value */ |
| 167 | |
| 168 | if (sanitized) |
| 169 | component_start = sanitized->len; |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 170 | |
| 171 | for (cp = refname; ; cp++) { |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 172 | int ch = *cp & 255; |
| 173 | unsigned char disp = refname_disposition[ch]; |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 174 | |
| 175 | if (sanitized && disp != 1) |
| 176 | strbuf_addch(sanitized, ch); |
| 177 | |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 178 | switch (disp) { |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 179 | case 1: |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 180 | goto out; |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 181 | case 2: |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 182 | if (last == '.') { /* Refname contains "..". */ |
| 183 | if (sanitized) |
| 184 | /* collapse ".." to single "." */ |
| 185 | strbuf_setlen(sanitized, sanitized->len - 1); |
| 186 | else |
| 187 | return -1; |
| 188 | } |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 189 | break; |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 190 | case 3: |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 191 | if (last == '@') { /* Refname contains "@{". */ |
| 192 | if (sanitized) |
| 193 | sanitized->buf[sanitized->len-1] = '-'; |
| 194 | else |
| 195 | return -1; |
| 196 | } |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 197 | break; |
Junio C Hamano | 5e65022 | 2014-07-28 10:41:53 -0700 | [diff] [blame] | 198 | case 4: |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 199 | /* forbidden char */ |
| 200 | if (sanitized) |
| 201 | sanitized->buf[sanitized->len-1] = '-'; |
| 202 | else |
| 203 | return -1; |
| 204 | break; |
Jacob Keller | cd377f4 | 2015-07-22 14:05:33 -0700 | [diff] [blame] | 205 | case 5: |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 206 | if (!(*flags & REFNAME_REFSPEC_PATTERN)) { |
| 207 | /* refspec can't be a pattern */ |
| 208 | if (sanitized) |
| 209 | sanitized->buf[sanitized->len-1] = '-'; |
| 210 | else |
| 211 | return -1; |
| 212 | } |
Jacob Keller | cd377f4 | 2015-07-22 14:05:33 -0700 | [diff] [blame] | 213 | |
| 214 | /* |
| 215 | * Unset the pattern flag so that we only accept |
| 216 | * a single asterisk for one side of refspec. |
| 217 | */ |
| 218 | *flags &= ~ REFNAME_REFSPEC_PATTERN; |
| 219 | break; |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 220 | } |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 221 | last = ch; |
| 222 | } |
David Turner | dde8a90 | 2014-06-03 23:38:10 -0400 | [diff] [blame] | 223 | out: |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 224 | if (cp == refname) |
Michael Haggerty | dac529e | 2012-04-10 07:30:22 +0200 | [diff] [blame] | 225 | return 0; /* Component has zero length. */ |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 226 | |
| 227 | if (refname[0] == '.') { /* Component starts with '.'. */ |
| 228 | if (sanitized) |
| 229 | sanitized->buf[component_start] = '-'; |
| 230 | else |
| 231 | return -1; |
| 232 | } |
Michael Haggerty | 7108ad2 | 2014-10-01 12:28:15 +0200 | [diff] [blame] | 233 | if (cp - refname >= LOCK_SUFFIX_LEN && |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 234 | !memcmp(cp - LOCK_SUFFIX_LEN, LOCK_SUFFIX, LOCK_SUFFIX_LEN)) { |
| 235 | if (!sanitized) |
| 236 | return -1; |
| 237 | /* Refname ends with ".lock". */ |
| 238 | while (strbuf_strip_suffix(sanitized, LOCK_SUFFIX)) { |
| 239 | /* try again in case we have .lock.lock */ |
| 240 | } |
| 241 | } |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 242 | return cp - refname; |
| 243 | } |
| 244 | |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 245 | static int check_or_sanitize_refname(const char *refname, int flags, |
| 246 | struct strbuf *sanitized) |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 247 | { |
| 248 | int component_len, component_count = 0; |
| 249 | |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 250 | if (!strcmp(refname, "@")) { |
Felipe Contreras | 9ba89f4 | 2013-09-02 01:34:30 -0500 | [diff] [blame] | 251 | /* Refname is a single character '@'. */ |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 252 | if (sanitized) |
| 253 | strbuf_addch(sanitized, '-'); |
| 254 | else |
| 255 | return -1; |
| 256 | } |
Felipe Contreras | 9ba89f4 | 2013-09-02 01:34:30 -0500 | [diff] [blame] | 257 | |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 258 | while (1) { |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 259 | if (sanitized && sanitized->len) |
| 260 | strbuf_complete(sanitized, '/'); |
| 261 | |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 262 | /* We are at the start of a path component. */ |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 263 | component_len = check_refname_component(refname, &flags, |
| 264 | sanitized); |
| 265 | if (sanitized && component_len == 0) |
| 266 | ; /* OK, omit empty component */ |
| 267 | else if (component_len <= 0) |
Jacob Keller | cd377f4 | 2015-07-22 14:05:33 -0700 | [diff] [blame] | 268 | return -1; |
| 269 | |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 270 | component_count++; |
| 271 | if (refname[component_len] == '\0') |
| 272 | break; |
| 273 | /* Skip to next component. */ |
| 274 | refname += component_len + 1; |
| 275 | } |
| 276 | |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 277 | if (refname[component_len - 1] == '.') { |
| 278 | /* Refname ends with '.'. */ |
| 279 | if (sanitized) |
| 280 | ; /* omit ending dot */ |
| 281 | else |
| 282 | return -1; |
| 283 | } |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 284 | if (!(flags & REFNAME_ALLOW_ONELEVEL) && component_count < 2) |
| 285 | return -1; /* Refname has only one component. */ |
| 286 | return 0; |
| 287 | } |
| 288 | |
Nguyễn Thái Ngọc Duy | 1de16ae | 2019-03-08 16:28:34 +0700 | [diff] [blame] | 289 | int check_refname_format(const char *refname, int flags) |
| 290 | { |
| 291 | return check_or_sanitize_refname(refname, flags, NULL); |
| 292 | } |
| 293 | |
| 294 | void sanitize_refname_component(const char *refname, struct strbuf *out) |
| 295 | { |
| 296 | if (check_or_sanitize_refname(refname, REFNAME_ALLOW_ONELEVEL, out)) |
| 297 | BUG("sanitizing refname '%s' check returned error", refname); |
| 298 | } |
| 299 | |
Michael Haggerty | 4cb7700 | 2015-11-10 12:42:36 +0100 | [diff] [blame] | 300 | int refname_is_safe(const char *refname) |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 301 | { |
Michael Haggerty | 39950fe | 2016-04-27 12:39:11 +0200 | [diff] [blame] | 302 | const char *rest; |
| 303 | |
| 304 | if (skip_prefix(refname, "refs/", &rest)) { |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 305 | char *buf; |
| 306 | int result; |
Michael Haggerty | e40f355 | 2016-04-27 12:40:39 +0200 | [diff] [blame] | 307 | size_t restlen = strlen(rest); |
| 308 | |
| 309 | /* rest must not be empty, or start or end with "/" */ |
| 310 | if (!restlen || *rest == '/' || rest[restlen - 1] == '/') |
| 311 | return 0; |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 312 | |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 313 | /* |
| 314 | * Does the refname try to escape refs/? |
| 315 | * For example: refs/foo/../bar is safe but refs/foo/../../bar |
| 316 | * is not. |
| 317 | */ |
Michael Haggerty | e40f355 | 2016-04-27 12:40:39 +0200 | [diff] [blame] | 318 | buf = xmallocz(restlen); |
| 319 | result = !normalize_path_copy(buf, rest) && !strcmp(buf, rest); |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 320 | free(buf); |
| 321 | return result; |
| 322 | } |
Michael Haggerty | 35db25c | 2016-04-27 12:42:27 +0200 | [diff] [blame] | 323 | |
| 324 | do { |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 325 | if (!isupper(*refname) && *refname != '_') |
| 326 | return 0; |
| 327 | refname++; |
Michael Haggerty | 35db25c | 2016-04-27 12:42:27 +0200 | [diff] [blame] | 328 | } while (*refname); |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 329 | return 1; |
| 330 | } |
| 331 | |
Michael Haggerty | 67be7c5 | 2017-06-23 09:01:37 +0200 | [diff] [blame] | 332 | /* |
| 333 | * Return true if refname, which has the specified oid and flags, can |
| 334 | * be resolved to an object in the database. If the referred-to object |
| 335 | * does not exist, emit a warning and return false. |
| 336 | */ |
| 337 | int ref_resolves_to_object(const char *refname, |
Jonathan Tan | 9bc45a2 | 2021-10-08 14:08:15 -0700 | [diff] [blame] | 338 | struct repository *repo, |
Michael Haggerty | 67be7c5 | 2017-06-23 09:01:37 +0200 | [diff] [blame] | 339 | const struct object_id *oid, |
| 340 | unsigned int flags) |
| 341 | { |
| 342 | if (flags & REF_ISBROKEN) |
| 343 | return 0; |
Jonathan Tan | 9bc45a2 | 2021-10-08 14:08:15 -0700 | [diff] [blame] | 344 | if (!repo_has_object_file(repo, oid)) { |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 345 | error(_("%s does not point to a valid object!"), refname); |
Michael Haggerty | 67be7c5 | 2017-06-23 09:01:37 +0200 | [diff] [blame] | 346 | return 0; |
| 347 | } |
| 348 | return 1; |
| 349 | } |
| 350 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 351 | char *refs_resolve_refdup(struct ref_store *refs, |
| 352 | const char *refname, int resolve_flags, |
brian m. carlson | 0f2dc72 | 2017-10-15 22:06:55 +0000 | [diff] [blame] | 353 | struct object_id *oid, int *flags) |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 354 | { |
| 355 | const char *result; |
| 356 | |
| 357 | result = refs_resolve_ref_unsafe(refs, refname, resolve_flags, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 358 | oid, flags); |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 359 | return xstrdup_or_null(result); |
| 360 | } |
| 361 | |
Michael Haggerty | fb58c8d | 2015-06-22 16:03:05 +0200 | [diff] [blame] | 362 | char *resolve_refdup(const char *refname, int resolve_flags, |
brian m. carlson | 0f2dc72 | 2017-10-15 22:06:55 +0000 | [diff] [blame] | 363 | struct object_id *oid, int *flags) |
Nguyễn Thái Ngọc Duy | 96ec7b1 | 2011-12-13 21:17:48 +0700 | [diff] [blame] | 364 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 365 | return refs_resolve_refdup(get_main_ref_store(the_repository), |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 366 | refname, resolve_flags, |
brian m. carlson | 0f2dc72 | 2017-10-15 22:06:55 +0000 | [diff] [blame] | 367 | oid, flags); |
Nguyễn Thái Ngọc Duy | 96ec7b1 | 2011-12-13 21:17:48 +0700 | [diff] [blame] | 368 | } |
| 369 | |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 370 | /* The argument to filter_refs */ |
| 371 | struct ref_filter { |
| 372 | const char *pattern; |
Rafael Ascensão | 9ab9b5d | 2018-11-12 13:25:44 +0000 | [diff] [blame] | 373 | const char *prefix; |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 374 | each_ref_fn *fn; |
| 375 | void *cb_data; |
| 376 | }; |
| 377 | |
brian m. carlson | 34c290a | 2017-10-15 22:06:56 +0000 | [diff] [blame] | 378 | int read_ref_full(const char *refname, int resolve_flags, struct object_id *oid, int *flags) |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 379 | { |
Ævar Arnfjörð Bjarmason | 76887df | 2021-10-16 11:39:14 +0200 | [diff] [blame] | 380 | struct ref_store *refs = get_main_ref_store(the_repository); |
| 381 | |
Ævar Arnfjörð Bjarmason | f1da24c | 2021-10-16 11:39:27 +0200 | [diff] [blame] | 382 | if (refs_resolve_ref_unsafe(refs, refname, resolve_flags, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 383 | oid, flags)) |
Ævar Arnfjörð Bjarmason | 76887df | 2021-10-16 11:39:14 +0200 | [diff] [blame] | 384 | return 0; |
| 385 | return -1; |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 386 | } |
| 387 | |
brian m. carlson | 34c290a | 2017-10-15 22:06:56 +0000 | [diff] [blame] | 388 | int read_ref(const char *refname, struct object_id *oid) |
Nguyễn Thái Ngọc Duy | c689332 | 2011-11-13 17:22:14 +0700 | [diff] [blame] | 389 | { |
brian m. carlson | 34c290a | 2017-10-15 22:06:56 +0000 | [diff] [blame] | 390 | return read_ref_full(refname, RESOLVE_REF_READING, oid, NULL); |
Nguyễn Thái Ngọc Duy | c689332 | 2011-11-13 17:22:14 +0700 | [diff] [blame] | 391 | } |
| 392 | |
Han-Wen Nienhuys | 3f9f1ac | 2020-08-21 16:59:34 +0000 | [diff] [blame] | 393 | int refs_ref_exists(struct ref_store *refs, const char *refname) |
Nguyễn Thái Ngọc Duy | b3cd33d | 2019-04-06 18:34:24 +0700 | [diff] [blame] | 394 | { |
Ævar Arnfjörð Bjarmason | f1da24c | 2021-10-16 11:39:27 +0200 | [diff] [blame] | 395 | return !!refs_resolve_ref_unsafe(refs, refname, RESOLVE_REF_READING, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 396 | NULL, NULL); |
Nguyễn Thái Ngọc Duy | b3cd33d | 2019-04-06 18:34:24 +0700 | [diff] [blame] | 397 | } |
| 398 | |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 399 | int ref_exists(const char *refname) |
Junio C Hamano | ef06b91 | 2006-11-18 22:13:33 -0800 | [diff] [blame] | 400 | { |
Nguyễn Thái Ngọc Duy | b3cd33d | 2019-04-06 18:34:24 +0700 | [diff] [blame] | 401 | return refs_ref_exists(get_main_ref_store(the_repository), refname); |
Junio C Hamano | ef06b91 | 2006-11-18 22:13:33 -0800 | [diff] [blame] | 402 | } |
| 403 | |
Michael Haggerty | 2b2a5be | 2015-05-25 18:38:28 +0000 | [diff] [blame] | 404 | static int filter_refs(const char *refname, const struct object_id *oid, |
Michael Haggerty | 4e675d1 | 2015-05-25 18:39:21 +0000 | [diff] [blame] | 405 | int flags, void *data) |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 406 | { |
| 407 | struct ref_filter *filter = (struct ref_filter *)data; |
Michael Haggerty | 2b2a5be | 2015-05-25 18:38:28 +0000 | [diff] [blame] | 408 | |
Ævar Arnfjörð Bjarmason | 55d3426 | 2017-06-22 21:38:08 +0000 | [diff] [blame] | 409 | if (wildmatch(filter->pattern, refname, 0)) |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 410 | return 0; |
Rafael Ascensão | 9ab9b5d | 2018-11-12 13:25:44 +0000 | [diff] [blame] | 411 | if (filter->prefix) |
| 412 | skip_prefix(refname, filter->prefix, &refname); |
Michael Haggerty | 2b2a5be | 2015-05-25 18:38:28 +0000 | [diff] [blame] | 413 | return filter->fn(refname, oid, flags, filter->cb_data); |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 414 | } |
| 415 | |
brian m. carlson | ac2ed0d | 2017-10-15 22:07:10 +0000 | [diff] [blame] | 416 | enum peel_status peel_object(const struct object_id *name, struct object_id *oid) |
Michael Haggerty | cb2ae1c | 2013-04-22 21:52:19 +0200 | [diff] [blame] | 417 | { |
Jeff King | 45a187c | 2021-04-13 03:16:36 -0400 | [diff] [blame] | 418 | struct object *o = lookup_unknown_object(the_repository, name); |
Michael Haggerty | cb2ae1c | 2013-04-22 21:52:19 +0200 | [diff] [blame] | 419 | |
| 420 | if (o->type == OBJ_NONE) { |
Stefan Beller | 0df8e96 | 2018-04-25 11:20:59 -0700 | [diff] [blame] | 421 | int type = oid_object_info(the_repository, name, NULL); |
Abhishek Kumar | 6da43d9 | 2020-06-17 14:44:08 +0530 | [diff] [blame] | 422 | if (type < 0 || !object_as_type(o, type, 0)) |
Michael Haggerty | 68cf870 | 2013-04-22 21:52:20 +0200 | [diff] [blame] | 423 | return PEEL_INVALID; |
Michael Haggerty | cb2ae1c | 2013-04-22 21:52:19 +0200 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | if (o->type != OBJ_TAG) |
Michael Haggerty | 68cf870 | 2013-04-22 21:52:20 +0200 | [diff] [blame] | 427 | return PEEL_NON_TAG; |
Michael Haggerty | cb2ae1c | 2013-04-22 21:52:19 +0200 | [diff] [blame] | 428 | |
| 429 | o = deref_tag_noverify(o); |
| 430 | if (!o) |
Michael Haggerty | 68cf870 | 2013-04-22 21:52:20 +0200 | [diff] [blame] | 431 | return PEEL_INVALID; |
Michael Haggerty | cb2ae1c | 2013-04-22 21:52:19 +0200 | [diff] [blame] | 432 | |
brian m. carlson | ac2ed0d | 2017-10-15 22:07:10 +0000 | [diff] [blame] | 433 | oidcpy(oid, &o->oid); |
Michael Haggerty | 68cf870 | 2013-04-22 21:52:20 +0200 | [diff] [blame] | 434 | return PEEL_PEELED; |
Michael Haggerty | cb2ae1c | 2013-04-22 21:52:19 +0200 | [diff] [blame] | 435 | } |
| 436 | |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 437 | struct warn_if_dangling_data { |
| 438 | FILE *fp; |
| 439 | const char *refname; |
Jens Lindström | e6bea66 | 2014-05-23 12:30:25 +0200 | [diff] [blame] | 440 | const struct string_list *refnames; |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 441 | const char *msg_fmt; |
| 442 | }; |
| 443 | |
Jeff King | 63e14ee | 2022-08-19 06:08:32 -0400 | [diff] [blame] | 444 | static int warn_if_dangling_symref(const char *refname, |
Ævar Arnfjörð Bjarmason | 5cf88fd | 2022-08-25 19:09:48 +0200 | [diff] [blame] | 445 | const struct object_id *oid UNUSED, |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 446 | int flags, void *cb_data) |
| 447 | { |
| 448 | struct warn_if_dangling_data *d = cb_data; |
| 449 | const char *resolves_to; |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 450 | |
| 451 | if (!(flags & REF_ISSYMREF)) |
| 452 | return 0; |
| 453 | |
René Scharfe | 744c040 | 2017-09-23 11:45:04 +0200 | [diff] [blame] | 454 | resolves_to = resolve_ref_unsafe(refname, 0, NULL, NULL); |
Jens Lindström | e6bea66 | 2014-05-23 12:30:25 +0200 | [diff] [blame] | 455 | if (!resolves_to |
| 456 | || (d->refname |
| 457 | ? strcmp(resolves_to, d->refname) |
| 458 | : !string_list_has_string(d->refnames, resolves_to))) { |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 459 | return 0; |
Jens Lindström | e6bea66 | 2014-05-23 12:30:25 +0200 | [diff] [blame] | 460 | } |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 461 | |
| 462 | fprintf(d->fp, d->msg_fmt, refname); |
Junio C Hamano | 1be65ed | 2012-05-02 13:51:35 -0700 | [diff] [blame] | 463 | fputc('\n', d->fp); |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 464 | return 0; |
| 465 | } |
| 466 | |
| 467 | void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname) |
| 468 | { |
| 469 | struct warn_if_dangling_data data; |
| 470 | |
| 471 | data.fp = fp; |
| 472 | data.refname = refname; |
Jens Lindström | e6bea66 | 2014-05-23 12:30:25 +0200 | [diff] [blame] | 473 | data.refnames = NULL; |
| 474 | data.msg_fmt = msg_fmt; |
| 475 | for_each_rawref(warn_if_dangling_symref, &data); |
| 476 | } |
| 477 | |
| 478 | void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, const struct string_list *refnames) |
| 479 | { |
| 480 | struct warn_if_dangling_data data; |
| 481 | |
| 482 | data.fp = fp; |
| 483 | data.refname = NULL; |
| 484 | data.refnames = refnames; |
Michael Haggerty | bc5fd6d | 2012-04-10 07:30:13 +0200 | [diff] [blame] | 485 | data.msg_fmt = msg_fmt; |
| 486 | for_each_rawref(warn_if_dangling_symref, &data); |
| 487 | } |
| 488 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 489 | int refs_for_each_tag_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
| 490 | { |
| 491 | return refs_for_each_ref_in(refs, "refs/tags/", fn, cb_data); |
| 492 | } |
| 493 | |
Junio C Hamano | cb5d709 | 2006-09-20 21:47:42 -0700 | [diff] [blame] | 494 | int for_each_tag_ref(each_ref_fn fn, void *cb_data) |
Sean | a62be77 | 2006-05-13 21:43:00 -0400 | [diff] [blame] | 495 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 496 | return refs_for_each_tag_ref(get_main_ref_store(the_repository), fn, cb_data); |
Sean | a62be77 | 2006-05-13 21:43:00 -0400 | [diff] [blame] | 497 | } |
| 498 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 499 | int refs_for_each_branch_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
| 500 | { |
| 501 | return refs_for_each_ref_in(refs, "refs/heads/", fn, cb_data); |
Heiko Voigt | 9ef6aeb | 2010-07-07 15:39:12 +0200 | [diff] [blame] | 502 | } |
| 503 | |
Junio C Hamano | cb5d709 | 2006-09-20 21:47:42 -0700 | [diff] [blame] | 504 | int for_each_branch_ref(each_ref_fn fn, void *cb_data) |
Sean | a62be77 | 2006-05-13 21:43:00 -0400 | [diff] [blame] | 505 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 506 | return refs_for_each_branch_ref(get_main_ref_store(the_repository), fn, cb_data); |
Sean | a62be77 | 2006-05-13 21:43:00 -0400 | [diff] [blame] | 507 | } |
| 508 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 509 | int refs_for_each_remote_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
| 510 | { |
| 511 | return refs_for_each_ref_in(refs, "refs/remotes/", fn, cb_data); |
Heiko Voigt | 9ef6aeb | 2010-07-07 15:39:12 +0200 | [diff] [blame] | 512 | } |
| 513 | |
Junio C Hamano | cb5d709 | 2006-09-20 21:47:42 -0700 | [diff] [blame] | 514 | int for_each_remote_ref(each_ref_fn fn, void *cb_data) |
Sean | a62be77 | 2006-05-13 21:43:00 -0400 | [diff] [blame] | 515 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 516 | return refs_for_each_remote_ref(get_main_ref_store(the_repository), fn, cb_data); |
Junio C Hamano | f8948e2 | 2009-02-08 23:27:10 -0800 | [diff] [blame] | 517 | } |
| 518 | |
Josh Triplett | a1bea2c | 2011-07-05 10:54:44 -0700 | [diff] [blame] | 519 | int head_ref_namespaced(each_ref_fn fn, void *cb_data) |
| 520 | { |
| 521 | struct strbuf buf = STRBUF_INIT; |
| 522 | int ret = 0; |
Michael Haggerty | 2b2a5be | 2015-05-25 18:38:28 +0000 | [diff] [blame] | 523 | struct object_id oid; |
Josh Triplett | a1bea2c | 2011-07-05 10:54:44 -0700 | [diff] [blame] | 524 | int flag; |
| 525 | |
| 526 | strbuf_addf(&buf, "%sHEAD", get_git_namespace()); |
brian m. carlson | 34c290a | 2017-10-15 22:06:56 +0000 | [diff] [blame] | 527 | if (!read_ref_full(buf.buf, RESOLVE_REF_READING, &oid, &flag)) |
Michael Haggerty | 2b2a5be | 2015-05-25 18:38:28 +0000 | [diff] [blame] | 528 | ret = fn(buf.buf, &oid, flag, cb_data); |
Josh Triplett | a1bea2c | 2011-07-05 10:54:44 -0700 | [diff] [blame] | 529 | strbuf_release(&buf); |
| 530 | |
| 531 | return ret; |
| 532 | } |
| 533 | |
Rafael Ascensão | 65516f5 | 2017-11-21 21:33:41 +0000 | [diff] [blame] | 534 | void normalize_glob_ref(struct string_list_item *item, const char *prefix, |
| 535 | const char *pattern) |
| 536 | { |
| 537 | struct strbuf normalized_pattern = STRBUF_INIT; |
| 538 | |
| 539 | if (*pattern == '/') |
| 540 | BUG("pattern must not start with '/'"); |
| 541 | |
Derrick Stolee | b877e61 | 2022-08-05 17:58:33 +0000 | [diff] [blame] | 542 | if (prefix) |
Rafael Ascensão | 65516f5 | 2017-11-21 21:33:41 +0000 | [diff] [blame] | 543 | strbuf_addstr(&normalized_pattern, prefix); |
Derrick Stolee | b877e61 | 2022-08-05 17:58:33 +0000 | [diff] [blame] | 544 | else if (!starts_with(pattern, "refs/") && |
| 545 | strcmp(pattern, "HEAD")) |
Rafael Ascensão | 65516f5 | 2017-11-21 21:33:41 +0000 | [diff] [blame] | 546 | strbuf_addstr(&normalized_pattern, "refs/"); |
Derrick Stolee | b877e61 | 2022-08-05 17:58:33 +0000 | [diff] [blame] | 547 | /* |
| 548 | * NEEDSWORK: Special case other symrefs such as REBASE_HEAD, |
| 549 | * MERGE_HEAD, etc. |
| 550 | */ |
| 551 | |
Rafael Ascensão | 65516f5 | 2017-11-21 21:33:41 +0000 | [diff] [blame] | 552 | strbuf_addstr(&normalized_pattern, pattern); |
| 553 | strbuf_strip_suffix(&normalized_pattern, "/"); |
| 554 | |
| 555 | item->string = strbuf_detach(&normalized_pattern, NULL); |
| 556 | item->util = has_glob_specials(pattern) ? NULL : item->string; |
| 557 | strbuf_release(&normalized_pattern); |
| 558 | } |
| 559 | |
Ilari Liusvaara | b09fe97 | 2010-01-20 11:48:26 +0200 | [diff] [blame] | 560 | int for_each_glob_ref_in(each_ref_fn fn, const char *pattern, |
| 561 | const char *prefix, void *cb_data) |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 562 | { |
| 563 | struct strbuf real_pattern = STRBUF_INIT; |
| 564 | struct ref_filter filter; |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 565 | int ret; |
| 566 | |
Christian Couder | 5955654 | 2013-11-30 21:55:40 +0100 | [diff] [blame] | 567 | if (!prefix && !starts_with(pattern, "refs/")) |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 568 | strbuf_addstr(&real_pattern, "refs/"); |
Ilari Liusvaara | b09fe97 | 2010-01-20 11:48:26 +0200 | [diff] [blame] | 569 | else if (prefix) |
| 570 | strbuf_addstr(&real_pattern, prefix); |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 571 | strbuf_addstr(&real_pattern, pattern); |
| 572 | |
Thomas Rast | 894a9d3 | 2010-03-12 18:04:26 +0100 | [diff] [blame] | 573 | if (!has_glob_specials(pattern)) { |
Junio C Hamano | 9517e6b | 2010-02-03 21:23:18 -0800 | [diff] [blame] | 574 | /* Append implied '/' '*' if not present. */ |
Jeff King | 00b6c17 | 2015-09-24 17:08:35 -0400 | [diff] [blame] | 575 | strbuf_complete(&real_pattern, '/'); |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 576 | /* No need to check for '*', there is none. */ |
| 577 | strbuf_addch(&real_pattern, '*'); |
| 578 | } |
| 579 | |
| 580 | filter.pattern = real_pattern.buf; |
Rafael Ascensão | 9ab9b5d | 2018-11-12 13:25:44 +0000 | [diff] [blame] | 581 | filter.prefix = prefix; |
Ilari Liusvaara | d08bae7 | 2010-01-20 11:48:25 +0200 | [diff] [blame] | 582 | filter.fn = fn; |
| 583 | filter.cb_data = cb_data; |
| 584 | ret = for_each_ref(filter_refs, &filter); |
| 585 | |
| 586 | strbuf_release(&real_pattern); |
| 587 | return ret; |
| 588 | } |
| 589 | |
Ilari Liusvaara | b09fe97 | 2010-01-20 11:48:26 +0200 | [diff] [blame] | 590 | int for_each_glob_ref(each_ref_fn fn, const char *pattern, void *cb_data) |
| 591 | { |
| 592 | return for_each_glob_ref_in(fn, pattern, NULL, cb_data); |
| 593 | } |
| 594 | |
Felipe Contreras | 4577e48 | 2009-05-14 00:22:04 +0300 | [diff] [blame] | 595 | const char *prettify_refname(const char *name) |
Daniel Barkalow | a9c37a7 | 2009-03-08 21:06:05 -0400 | [diff] [blame] | 596 | { |
SZEDER Gábor | 3e5b36c | 2017-03-23 16:50:12 +0100 | [diff] [blame] | 597 | if (skip_prefix(name, "refs/heads/", &name) || |
| 598 | skip_prefix(name, "refs/tags/", &name) || |
| 599 | skip_prefix(name, "refs/remotes/", &name)) |
| 600 | ; /* nothing */ |
| 601 | return name; |
Daniel Barkalow | a9c37a7 | 2009-03-08 21:06:05 -0400 | [diff] [blame] | 602 | } |
| 603 | |
Michael Haggerty | 54457fe | 2014-01-14 04:16:07 +0100 | [diff] [blame] | 604 | static const char *ref_rev_parse_rules[] = { |
Steffen Prohaska | 7980332 | 2007-11-11 15:01:46 +0100 | [diff] [blame] | 605 | "%.*s", |
| 606 | "refs/%.*s", |
| 607 | "refs/tags/%.*s", |
| 608 | "refs/heads/%.*s", |
| 609 | "refs/remotes/%.*s", |
| 610 | "refs/remotes/%.*s/HEAD", |
| 611 | NULL |
| 612 | }; |
| 613 | |
Junio C Hamano | 60650a4 | 2018-08-01 09:22:37 -0700 | [diff] [blame] | 614 | #define NUM_REV_PARSE_RULES (ARRAY_SIZE(ref_rev_parse_rules) - 1) |
| 615 | |
| 616 | /* |
| 617 | * Is it possible that the caller meant full_name with abbrev_name? |
| 618 | * If so return a non-zero value to signal "yes"; the magnitude of |
| 619 | * the returned value gives the precedence used for disambiguation. |
| 620 | * |
| 621 | * If abbrev_name cannot mean full_name, return 0. |
| 622 | */ |
Michael Haggerty | 54457fe | 2014-01-14 04:16:07 +0100 | [diff] [blame] | 623 | int refname_match(const char *abbrev_name, const char *full_name) |
Steffen Prohaska | 7980332 | 2007-11-11 15:01:46 +0100 | [diff] [blame] | 624 | { |
| 625 | const char **p; |
| 626 | const int abbrev_name_len = strlen(abbrev_name); |
Junio C Hamano | 60650a4 | 2018-08-01 09:22:37 -0700 | [diff] [blame] | 627 | const int num_rules = NUM_REV_PARSE_RULES; |
Steffen Prohaska | 7980332 | 2007-11-11 15:01:46 +0100 | [diff] [blame] | 628 | |
Junio C Hamano | 60650a4 | 2018-08-01 09:22:37 -0700 | [diff] [blame] | 629 | for (p = ref_rev_parse_rules; *p; p++) |
| 630 | if (!strcmp(full_name, mkpath(*p, abbrev_name_len, abbrev_name))) |
| 631 | return &ref_rev_parse_rules[num_rules] - p; |
Steffen Prohaska | 7980332 | 2007-11-11 15:01:46 +0100 | [diff] [blame] | 632 | |
| 633 | return 0; |
| 634 | } |
| 635 | |
Michael Haggerty | 19b68b1 | 2011-12-12 06:38:12 +0100 | [diff] [blame] | 636 | /* |
Brandon Williams | b4be741 | 2018-03-15 10:31:24 -0700 | [diff] [blame] | 637 | * Given a 'prefix' expand it by the rules in 'ref_rev_parse_rules' and add |
| 638 | * the results to 'prefixes' |
| 639 | */ |
Jeff King | c972bf4 | 2020-07-28 16:25:12 -0400 | [diff] [blame] | 640 | void expand_ref_prefix(struct strvec *prefixes, const char *prefix) |
Brandon Williams | b4be741 | 2018-03-15 10:31:24 -0700 | [diff] [blame] | 641 | { |
| 642 | const char **p; |
| 643 | int len = strlen(prefix); |
| 644 | |
| 645 | for (p = ref_rev_parse_rules; *p; p++) |
Jeff King | c972bf4 | 2020-07-28 16:25:12 -0400 | [diff] [blame] | 646 | strvec_pushf(prefixes, *p, len, prefix); |
Brandon Williams | b4be741 | 2018-03-15 10:31:24 -0700 | [diff] [blame] | 647 | } |
| 648 | |
Johannes Schindelin | 675704c | 2020-12-11 11:36:57 +0000 | [diff] [blame] | 649 | static const char default_branch_name_advice[] = N_( |
| 650 | "Using '%s' as the name for the initial branch. This default branch name\n" |
| 651 | "is subject to change. To configure the initial branch name to use in all\n" |
| 652 | "of your new repositories, which will suppress this warning, call:\n" |
| 653 | "\n" |
| 654 | "\tgit config --global init.defaultBranch <name>\n" |
| 655 | "\n" |
| 656 | "Names commonly chosen instead of 'master' are 'main', 'trunk' and\n" |
| 657 | "'development'. The just-created branch can be renamed via this command:\n" |
| 658 | "\n" |
| 659 | "\tgit branch -m <name>\n" |
| 660 | ); |
| 661 | |
Johannes Schindelin | cc0f13c | 2020-12-11 11:36:56 +0000 | [diff] [blame] | 662 | char *repo_default_branch_name(struct repository *r, int quiet) |
Don Goodman-Wilson | 8747ebb | 2020-06-24 14:46:33 +0000 | [diff] [blame] | 663 | { |
| 664 | const char *config_key = "init.defaultbranch"; |
| 665 | const char *config_display_key = "init.defaultBranch"; |
| 666 | char *ret = NULL, *full_ref; |
Johannes Schindelin | 704fed9 | 2020-10-23 14:00:00 +0000 | [diff] [blame] | 667 | const char *env = getenv("GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME"); |
Don Goodman-Wilson | 8747ebb | 2020-06-24 14:46:33 +0000 | [diff] [blame] | 668 | |
Johannes Schindelin | 704fed9 | 2020-10-23 14:00:00 +0000 | [diff] [blame] | 669 | if (env && *env) |
| 670 | ret = xstrdup(env); |
| 671 | else if (repo_config_get_string(r, config_key, &ret) < 0) |
Don Goodman-Wilson | 8747ebb | 2020-06-24 14:46:33 +0000 | [diff] [blame] | 672 | die(_("could not retrieve `%s`"), config_display_key); |
| 673 | |
Johannes Schindelin | 675704c | 2020-12-11 11:36:57 +0000 | [diff] [blame] | 674 | if (!ret) { |
Don Goodman-Wilson | 8747ebb | 2020-06-24 14:46:33 +0000 | [diff] [blame] | 675 | ret = xstrdup("master"); |
Johannes Schindelin | 675704c | 2020-12-11 11:36:57 +0000 | [diff] [blame] | 676 | if (!quiet) |
| 677 | advise(_(default_branch_name_advice), ret); |
| 678 | } |
Don Goodman-Wilson | 8747ebb | 2020-06-24 14:46:33 +0000 | [diff] [blame] | 679 | |
| 680 | full_ref = xstrfmt("refs/heads/%s", ret); |
| 681 | if (check_refname_format(full_ref, 0)) |
| 682 | die(_("invalid branch name: %s = %s"), config_display_key, ret); |
| 683 | free(full_ref); |
| 684 | |
| 685 | return ret; |
| 686 | } |
| 687 | |
Johannes Schindelin | cc0f13c | 2020-12-11 11:36:56 +0000 | [diff] [blame] | 688 | const char *git_default_branch_name(int quiet) |
Don Goodman-Wilson | 8747ebb | 2020-06-24 14:46:33 +0000 | [diff] [blame] | 689 | { |
| 690 | static char *ret; |
| 691 | |
| 692 | if (!ret) |
Johannes Schindelin | cc0f13c | 2020-12-11 11:36:56 +0000 | [diff] [blame] | 693 | ret = repo_default_branch_name(the_repository, quiet); |
Don Goodman-Wilson | 8747ebb | 2020-06-24 14:46:33 +0000 | [diff] [blame] | 694 | |
| 695 | return ret; |
| 696 | } |
| 697 | |
Brandon Williams | b4be741 | 2018-03-15 10:31:24 -0700 | [diff] [blame] | 698 | /* |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 699 | * *string and *len will only be substituted, and *string returned (for |
| 700 | * later free()ing) if the string passed in is a magic short-hand form |
| 701 | * to name a branch. |
| 702 | */ |
Nguyễn Thái Ngọc Duy | 8f56e9d | 2019-04-06 18:34:26 +0700 | [diff] [blame] | 703 | static char *substitute_branch_name(struct repository *r, |
Jonathan Tan | f24c30e | 2020-09-01 15:28:09 -0700 | [diff] [blame] | 704 | const char **string, int *len, |
| 705 | int nonfatal_dangling_mark) |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 706 | { |
| 707 | struct strbuf buf = STRBUF_INIT; |
Jonathan Tan | f24c30e | 2020-09-01 15:28:09 -0700 | [diff] [blame] | 708 | struct interpret_branch_name_options options = { |
| 709 | .nonfatal_dangling_mark = nonfatal_dangling_mark |
| 710 | }; |
Jonathan Tan | a4f66a7 | 2020-09-01 15:28:07 -0700 | [diff] [blame] | 711 | int ret = repo_interpret_branch_name(r, *string, *len, &buf, &options); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 712 | |
| 713 | if (ret == *len) { |
| 714 | size_t size; |
| 715 | *string = strbuf_detach(&buf, &size); |
| 716 | *len = size; |
| 717 | return (char *)*string; |
| 718 | } |
| 719 | |
| 720 | return NULL; |
| 721 | } |
| 722 | |
Nguyễn Thái Ngọc Duy | d8984c5 | 2019-04-06 18:34:28 +0700 | [diff] [blame] | 723 | int repo_dwim_ref(struct repository *r, const char *str, int len, |
Jonathan Tan | f24c30e | 2020-09-01 15:28:09 -0700 | [diff] [blame] | 724 | struct object_id *oid, char **ref, int nonfatal_dangling_mark) |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 725 | { |
Jonathan Tan | f24c30e | 2020-09-01 15:28:09 -0700 | [diff] [blame] | 726 | char *last_branch = substitute_branch_name(r, &str, &len, |
| 727 | nonfatal_dangling_mark); |
Nguyễn Thái Ngọc Duy | d8984c5 | 2019-04-06 18:34:28 +0700 | [diff] [blame] | 728 | int refs_found = expand_ref(r, str, len, oid, ref); |
Nguyễn Thái Ngọc Duy | 41da711 | 2016-06-12 17:54:02 +0700 | [diff] [blame] | 729 | free(last_branch); |
| 730 | return refs_found; |
| 731 | } |
| 732 | |
Nguyễn Thái Ngọc Duy | 0b1dbf5 | 2019-04-06 18:34:27 +0700 | [diff] [blame] | 733 | int expand_ref(struct repository *repo, const char *str, int len, |
| 734 | struct object_id *oid, char **ref) |
Nguyễn Thái Ngọc Duy | 41da711 | 2016-06-12 17:54:02 +0700 | [diff] [blame] | 735 | { |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 736 | const char **p, *r; |
| 737 | int refs_found = 0; |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 738 | struct strbuf fullref = STRBUF_INIT; |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 739 | |
| 740 | *ref = NULL; |
| 741 | for (p = ref_rev_parse_rules; *p; p++) { |
brian m. carlson | cca5fa6 | 2017-10-15 22:06:57 +0000 | [diff] [blame] | 742 | struct object_id oid_from_ref; |
| 743 | struct object_id *this_result; |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 744 | int flag; |
Ævar Arnfjörð Bjarmason | 6582bd3 | 2021-10-16 11:39:24 +0200 | [diff] [blame] | 745 | struct ref_store *refs = get_main_ref_store(repo); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 746 | |
brian m. carlson | cca5fa6 | 2017-10-15 22:06:57 +0000 | [diff] [blame] | 747 | this_result = refs_found ? &oid_from_ref : oid; |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 748 | strbuf_reset(&fullref); |
| 749 | strbuf_addf(&fullref, *p, len, str); |
Ævar Arnfjörð Bjarmason | f1da24c | 2021-10-16 11:39:27 +0200 | [diff] [blame] | 750 | r = refs_resolve_ref_unsafe(refs, fullref.buf, |
Ævar Arnfjörð Bjarmason | 6582bd3 | 2021-10-16 11:39:24 +0200 | [diff] [blame] | 751 | RESOLVE_REF_READING, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 752 | this_result, &flag); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 753 | if (r) { |
| 754 | if (!refs_found++) |
| 755 | *ref = xstrdup(r); |
| 756 | if (!warn_ambiguous_refs) |
| 757 | break; |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 758 | } else if ((flag & REF_ISSYMREF) && strcmp(fullref.buf, "HEAD")) { |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 759 | warning(_("ignoring dangling symref %s"), fullref.buf); |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 760 | } else if ((flag & REF_ISBROKEN) && strchr(fullref.buf, '/')) { |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 761 | warning(_("ignoring broken ref %s"), fullref.buf); |
Junio C Hamano | 5595635 | 2011-10-19 13:55:49 -0700 | [diff] [blame] | 762 | } |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 763 | } |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 764 | strbuf_release(&fullref); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 765 | return refs_found; |
| 766 | } |
| 767 | |
Nguyễn Thái Ngọc Duy | 5670090 | 2019-04-06 18:34:29 +0700 | [diff] [blame] | 768 | int repo_dwim_log(struct repository *r, const char *str, int len, |
| 769 | struct object_id *oid, char **log) |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 770 | { |
Nguyễn Thái Ngọc Duy | 5670090 | 2019-04-06 18:34:29 +0700 | [diff] [blame] | 771 | struct ref_store *refs = get_main_ref_store(r); |
Jonathan Tan | f24c30e | 2020-09-01 15:28:09 -0700 | [diff] [blame] | 772 | char *last_branch = substitute_branch_name(r, &str, &len, 0); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 773 | const char **p; |
| 774 | int logs_found = 0; |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 775 | struct strbuf path = STRBUF_INIT; |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 776 | |
| 777 | *log = NULL; |
| 778 | for (p = ref_rev_parse_rules; *p; p++) { |
brian m. carlson | 334dc52 | 2017-10-15 22:06:59 +0000 | [diff] [blame] | 779 | struct object_id hash; |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 780 | const char *ref, *it; |
| 781 | |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 782 | strbuf_reset(&path); |
| 783 | strbuf_addf(&path, *p, len, str); |
Nguyễn Thái Ngọc Duy | 5670090 | 2019-04-06 18:34:29 +0700 | [diff] [blame] | 784 | ref = refs_resolve_ref_unsafe(refs, path.buf, |
| 785 | RESOLVE_REF_READING, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 786 | oid ? &hash : NULL, NULL); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 787 | if (!ref) |
| 788 | continue; |
Nguyễn Thái Ngọc Duy | 5670090 | 2019-04-06 18:34:29 +0700 | [diff] [blame] | 789 | if (refs_reflog_exists(refs, path.buf)) |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 790 | it = path.buf; |
Nguyễn Thái Ngọc Duy | 5670090 | 2019-04-06 18:34:29 +0700 | [diff] [blame] | 791 | else if (strcmp(ref, path.buf) && |
| 792 | refs_reflog_exists(refs, ref)) |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 793 | it = ref; |
| 794 | else |
| 795 | continue; |
| 796 | if (!logs_found++) { |
| 797 | *log = xstrdup(it); |
Ævar Arnfjörð Bjarmason | 6f45ec8 | 2021-08-23 13:36:08 +0200 | [diff] [blame] | 798 | if (oid) |
| 799 | oidcpy(oid, &hash); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 800 | } |
| 801 | if (!warn_ambiguous_refs) |
| 802 | break; |
| 803 | } |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 804 | strbuf_release(&path); |
Junio C Hamano | ff74f7f | 2011-10-12 10:35:38 -0700 | [diff] [blame] | 805 | free(last_branch); |
| 806 | return logs_found; |
| 807 | } |
| 808 | |
Nguyễn Thái Ngọc Duy | 5670090 | 2019-04-06 18:34:29 +0700 | [diff] [blame] | 809 | int dwim_log(const char *str, int len, struct object_id *oid, char **log) |
| 810 | { |
| 811 | return repo_dwim_log(the_repository, str, len, oid, log); |
| 812 | } |
| 813 | |
Han-Wen Nienhuys | 71e5473 | 2022-09-19 16:34:50 +0000 | [diff] [blame] | 814 | int is_per_worktree_ref(const char *refname) |
David Turner | 266b182 | 2015-07-31 02:06:18 -0400 | [diff] [blame] | 815 | { |
Han-Wen Nienhuys | 55dd8b9 | 2020-07-27 16:25:47 +0000 | [diff] [blame] | 816 | return starts_with(refname, "refs/worktree/") || |
| 817 | starts_with(refname, "refs/bisect/") || |
| 818 | starts_with(refname, "refs/rewritten/"); |
David Turner | 266b182 | 2015-07-31 02:06:18 -0400 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | static int is_pseudoref_syntax(const char *refname) |
| 822 | { |
| 823 | const char *c; |
| 824 | |
| 825 | for (c = refname; *c; c++) { |
| 826 | if (!isupper(*c) && *c != '-' && *c != '_') |
| 827 | return 0; |
| 828 | } |
| 829 | |
Han-Wen Nienhuys | 71e5473 | 2022-09-19 16:34:50 +0000 | [diff] [blame] | 830 | /* |
| 831 | * HEAD is not a pseudoref, but it certainly uses the |
| 832 | * pseudoref syntax. |
| 833 | */ |
David Turner | 266b182 | 2015-07-31 02:06:18 -0400 | [diff] [blame] | 834 | return 1; |
| 835 | } |
| 836 | |
Han-Wen Nienhuys | 71e5473 | 2022-09-19 16:34:50 +0000 | [diff] [blame] | 837 | static int is_current_worktree_ref(const char *ref) { |
| 838 | return is_pseudoref_syntax(ref) || is_per_worktree_ref(ref); |
Nguyễn Thái Ngọc Duy | 3a3b9d8 | 2018-10-21 10:08:54 +0200 | [diff] [blame] | 839 | } |
| 840 | |
Han-Wen Nienhuys | 71e5473 | 2022-09-19 16:34:50 +0000 | [diff] [blame] | 841 | enum ref_worktree_type parse_worktree_ref(const char *maybe_worktree_ref, |
| 842 | const char **worktree_name, int *worktree_name_length, |
| 843 | const char **bare_refname) |
Nguyễn Thái Ngọc Duy | 3a3b9d8 | 2018-10-21 10:08:54 +0200 | [diff] [blame] | 844 | { |
Han-Wen Nienhuys | 71e5473 | 2022-09-19 16:34:50 +0000 | [diff] [blame] | 845 | const char *name_dummy; |
| 846 | int name_length_dummy; |
| 847 | const char *ref_dummy; |
Nguyễn Thái Ngọc Duy | 3a3b9d8 | 2018-10-21 10:08:54 +0200 | [diff] [blame] | 848 | |
Han-Wen Nienhuys | 71e5473 | 2022-09-19 16:34:50 +0000 | [diff] [blame] | 849 | if (!worktree_name) |
| 850 | worktree_name = &name_dummy; |
| 851 | if (!worktree_name_length) |
| 852 | worktree_name_length = &name_length_dummy; |
| 853 | if (!bare_refname) |
| 854 | bare_refname = &ref_dummy; |
| 855 | |
| 856 | if (skip_prefix(maybe_worktree_ref, "worktrees/", bare_refname)) { |
| 857 | const char *slash = strchr(*bare_refname, '/'); |
| 858 | |
| 859 | *worktree_name = *bare_refname; |
| 860 | if (!slash) { |
| 861 | *worktree_name_length = strlen(*worktree_name); |
| 862 | |
| 863 | /* This is an error condition, and the caller tell because the bare_refname is "" */ |
| 864 | *bare_refname = *worktree_name + *worktree_name_length; |
| 865 | return REF_WORKTREE_OTHER; |
| 866 | } |
| 867 | |
| 868 | *worktree_name_length = slash - *bare_refname; |
| 869 | *bare_refname = slash + 1; |
| 870 | |
| 871 | if (is_current_worktree_ref(*bare_refname)) |
| 872 | return REF_WORKTREE_OTHER; |
| 873 | } |
| 874 | |
| 875 | *worktree_name = NULL; |
| 876 | *worktree_name_length = 0; |
| 877 | |
| 878 | if (skip_prefix(maybe_worktree_ref, "main-worktree/", bare_refname) |
| 879 | && is_current_worktree_ref(*bare_refname)) |
| 880 | return REF_WORKTREE_MAIN; |
| 881 | |
| 882 | *bare_refname = maybe_worktree_ref; |
| 883 | if (is_current_worktree_ref(maybe_worktree_ref)) |
| 884 | return REF_WORKTREE_CURRENT; |
| 885 | |
| 886 | return REF_WORKTREE_SHARED; |
David Turner | 266b182 | 2015-07-31 02:06:18 -0400 | [diff] [blame] | 887 | } |
| 888 | |
Michael Haggerty | 4ff0f01 | 2017-08-21 13:51:34 +0200 | [diff] [blame] | 889 | long get_files_ref_lock_timeout_ms(void) |
| 890 | { |
| 891 | static int configured = 0; |
| 892 | |
| 893 | /* The default timeout is 100 ms: */ |
| 894 | static int timeout_ms = 100; |
| 895 | |
| 896 | if (!configured) { |
| 897 | git_config_get_int("core.filesreflocktimeout", &timeout_ms); |
| 898 | configured = 1; |
| 899 | } |
| 900 | |
| 901 | return timeout_ms; |
| 902 | } |
| 903 | |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 904 | int refs_delete_ref(struct ref_store *refs, const char *msg, |
| 905 | const char *refname, |
brian m. carlson | 2616a5e | 2017-10-15 22:06:50 +0000 | [diff] [blame] | 906 | const struct object_id *old_oid, |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 907 | unsigned int flags) |
Junio C Hamano | c0277d1 | 2006-09-30 15:02:00 -0700 | [diff] [blame] | 908 | { |
Ronnie Sahlberg | 7521cc4 | 2014-04-30 09:22:45 -0700 | [diff] [blame] | 909 | struct ref_transaction *transaction; |
| 910 | struct strbuf err = STRBUF_INIT; |
Junio C Hamano | c0277d1 | 2006-09-30 15:02:00 -0700 | [diff] [blame] | 911 | |
Junio C Hamano | c6da34a | 2022-04-13 15:51:33 -0700 | [diff] [blame] | 912 | transaction = ref_store_transaction_begin(refs, &err); |
Ronnie Sahlberg | 7521cc4 | 2014-04-30 09:22:45 -0700 | [diff] [blame] | 913 | if (!transaction || |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 914 | ref_transaction_delete(transaction, refname, old_oid, |
Kyle Meyer | 755b49a | 2017-02-20 20:10:32 -0500 | [diff] [blame] | 915 | flags, msg, &err) || |
Ronnie Sahlberg | db7516a | 2014-04-30 12:22:42 -0700 | [diff] [blame] | 916 | ref_transaction_commit(transaction, &err)) { |
Ronnie Sahlberg | 7521cc4 | 2014-04-30 09:22:45 -0700 | [diff] [blame] | 917 | error("%s", err.buf); |
| 918 | ref_transaction_free(transaction); |
| 919 | strbuf_release(&err); |
Junio C Hamano | c0277d1 | 2006-09-30 15:02:00 -0700 | [diff] [blame] | 920 | return 1; |
Ronnie Sahlberg | 7521cc4 | 2014-04-30 09:22:45 -0700 | [diff] [blame] | 921 | } |
| 922 | ref_transaction_free(transaction); |
| 923 | strbuf_release(&err); |
| 924 | return 0; |
Shawn Pearce | 4bd18c4 | 2006-05-17 05:55:02 -0400 | [diff] [blame] | 925 | } |
| 926 | |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 927 | int delete_ref(const char *msg, const char *refname, |
brian m. carlson | 2616a5e | 2017-10-15 22:06:50 +0000 | [diff] [blame] | 928 | const struct object_id *old_oid, unsigned int flags) |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 929 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 930 | return refs_delete_ref(get_main_ref_store(the_repository), msg, refname, |
brian m. carlson | 2616a5e | 2017-10-15 22:06:50 +0000 | [diff] [blame] | 931 | old_oid, flags); |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 932 | } |
| 933 | |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 934 | static void copy_reflog_msg(struct strbuf *sb, const char *msg) |
Junio C Hamano | 0ec29a4 | 2007-07-28 17:17:17 -0700 | [diff] [blame] | 935 | { |
Junio C Hamano | 0ec29a4 | 2007-07-28 17:17:17 -0700 | [diff] [blame] | 936 | char c; |
| 937 | int wasspace = 1; |
| 938 | |
Junio C Hamano | 0ec29a4 | 2007-07-28 17:17:17 -0700 | [diff] [blame] | 939 | while ((c = *msg++)) { |
| 940 | if (wasspace && isspace(c)) |
| 941 | continue; |
| 942 | wasspace = isspace(c); |
| 943 | if (wasspace) |
| 944 | c = ' '; |
Ben Peart | 80a6c20 | 2018-07-10 21:08:22 +0000 | [diff] [blame] | 945 | strbuf_addch(sb, c); |
Junio C Hamano | 0ec29a4 | 2007-07-28 17:17:17 -0700 | [diff] [blame] | 946 | } |
Ben Peart | 80a6c20 | 2018-07-10 21:08:22 +0000 | [diff] [blame] | 947 | strbuf_rtrim(sb); |
Junio C Hamano | 0ec29a4 | 2007-07-28 17:17:17 -0700 | [diff] [blame] | 948 | } |
| 949 | |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 950 | static char *normalize_reflog_message(const char *msg) |
| 951 | { |
| 952 | struct strbuf sb = STRBUF_INIT; |
| 953 | |
| 954 | if (msg && *msg) |
| 955 | copy_reflog_msg(&sb, msg); |
| 956 | return strbuf_detach(&sb, NULL); |
| 957 | } |
| 958 | |
Michael Haggerty | 4cb7700 | 2015-11-10 12:42:36 +0100 | [diff] [blame] | 959 | int should_autocreate_reflog(const char *refname) |
David Turner | 4e2bef5 | 2015-07-21 17:04:51 -0400 | [diff] [blame] | 960 | { |
Cornelius Weig | 341fb28 | 2017-01-27 11:09:47 +0100 | [diff] [blame] | 961 | switch (log_all_ref_updates) { |
| 962 | case LOG_REFS_ALWAYS: |
| 963 | return 1; |
| 964 | case LOG_REFS_NORMAL: |
| 965 | return starts_with(refname, "refs/heads/") || |
| 966 | starts_with(refname, "refs/remotes/") || |
| 967 | starts_with(refname, "refs/notes/") || |
| 968 | !strcmp(refname, "HEAD"); |
| 969 | default: |
David Turner | 4e2bef5 | 2015-07-21 17:04:51 -0400 | [diff] [blame] | 970 | return 0; |
Cornelius Weig | 341fb28 | 2017-01-27 11:09:47 +0100 | [diff] [blame] | 971 | } |
David Turner | 4e2bef5 | 2015-07-21 17:04:51 -0400 | [diff] [blame] | 972 | } |
| 973 | |
Ronnie Sahlberg | e7e0f26 | 2014-07-15 16:02:38 -0700 | [diff] [blame] | 974 | int is_branch(const char *refname) |
Linus Torvalds | c3b0dec | 2008-01-15 15:50:17 -0800 | [diff] [blame] | 975 | { |
Christian Couder | 5955654 | 2013-11-30 21:55:40 +0100 | [diff] [blame] | 976 | return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/"); |
Linus Torvalds | c3b0dec | 2008-01-15 15:50:17 -0800 | [diff] [blame] | 977 | } |
| 978 | |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 979 | struct read_ref_at_cb { |
| 980 | const char *refname; |
Johannes Schindelin | dddbad7 | 2017-04-26 21:29:31 +0200 | [diff] [blame] | 981 | timestamp_t at_time; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 982 | int cnt; |
| 983 | int reccnt; |
brian m. carlson | 8eb36d9 | 2017-10-15 22:07:03 +0000 | [diff] [blame] | 984 | struct object_id *oid; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 985 | int found_it; |
| 986 | |
brian m. carlson | 8eb36d9 | 2017-10-15 22:07:03 +0000 | [diff] [blame] | 987 | struct object_id ooid; |
| 988 | struct object_id noid; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 989 | int tz; |
Johannes Schindelin | dddbad7 | 2017-04-26 21:29:31 +0200 | [diff] [blame] | 990 | timestamp_t date; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 991 | char **msg; |
Johannes Schindelin | dddbad7 | 2017-04-26 21:29:31 +0200 | [diff] [blame] | 992 | timestamp_t *cutoff_time; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 993 | int *cutoff_tz; |
| 994 | int *cutoff_cnt; |
| 995 | }; |
| 996 | |
Denton Liu | 95c2a71 | 2021-01-06 01:01:53 -0800 | [diff] [blame] | 997 | static void set_read_ref_cutoffs(struct read_ref_at_cb *cb, |
| 998 | timestamp_t timestamp, int tz, const char *message) |
| 999 | { |
| 1000 | if (cb->msg) |
| 1001 | *cb->msg = xstrdup(message); |
| 1002 | if (cb->cutoff_time) |
| 1003 | *cb->cutoff_time = timestamp; |
| 1004 | if (cb->cutoff_tz) |
| 1005 | *cb->cutoff_tz = tz; |
| 1006 | if (cb->cutoff_cnt) |
| 1007 | *cb->cutoff_cnt = cb->reccnt; |
| 1008 | } |
| 1009 | |
brian m. carlson | 9461d27 | 2017-02-21 23:47:32 +0000 | [diff] [blame] | 1010 | static int read_ref_at_ent(struct object_id *ooid, struct object_id *noid, |
Ævar Arnfjörð Bjarmason | 5cf88fd | 2022-08-25 19:09:48 +0200 | [diff] [blame] | 1011 | const char *email UNUSED, |
Jeff King | c006e9f | 2022-08-19 06:08:35 -0400 | [diff] [blame] | 1012 | timestamp_t timestamp, int tz, |
| 1013 | const char *message, void *cb_data) |
Junio C Hamano | 16d7cc9 | 2007-01-19 01:19:05 -0800 | [diff] [blame] | 1014 | { |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1015 | struct read_ref_at_cb *cb = cb_data; |
Denton Liu | 6436a20 | 2021-01-07 02:36:59 -0800 | [diff] [blame] | 1016 | int reached_count; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1017 | |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1018 | cb->tz = tz; |
| 1019 | cb->date = timestamp; |
| 1020 | |
Denton Liu | 6436a20 | 2021-01-07 02:36:59 -0800 | [diff] [blame] | 1021 | /* |
| 1022 | * It is not possible for cb->cnt == 0 on the first iteration because |
| 1023 | * that special case is handled in read_ref_at(). |
| 1024 | */ |
| 1025 | if (cb->cnt > 0) |
| 1026 | cb->cnt--; |
| 1027 | reached_count = cb->cnt == 0 && !is_null_oid(ooid); |
| 1028 | if (timestamp <= cb->at_time || reached_count) { |
Denton Liu | 95c2a71 | 2021-01-06 01:01:53 -0800 | [diff] [blame] | 1029 | set_read_ref_cutoffs(cb, timestamp, tz, message); |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1030 | /* |
Michael Haggerty | 78fb457 | 2017-11-05 09:42:09 +0100 | [diff] [blame] | 1031 | * we have not yet updated cb->[n|o]oid so they still |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1032 | * hold the values for the previous record. |
| 1033 | */ |
Denton Liu | 6436a20 | 2021-01-07 02:36:59 -0800 | [diff] [blame] | 1034 | if (!is_null_oid(&cb->ooid) && !oideq(&cb->ooid, noid)) |
| 1035 | warning(_("log for ref %s has gap after %s"), |
Jeff King | a5481a6 | 2015-06-25 12:55:02 -0400 | [diff] [blame] | 1036 | cb->refname, show_date(cb->date, cb->tz, DATE_MODE(RFC2822))); |
Denton Liu | 6436a20 | 2021-01-07 02:36:59 -0800 | [diff] [blame] | 1037 | if (reached_count) |
| 1038 | oidcpy(cb->oid, ooid); |
| 1039 | else if (!is_null_oid(&cb->ooid) || cb->date == cb->at_time) |
brian m. carlson | 8eb36d9 | 2017-10-15 22:07:03 +0000 | [diff] [blame] | 1040 | oidcpy(cb->oid, noid); |
Jeff King | 9001dc2 | 2018-08-28 17:22:48 -0400 | [diff] [blame] | 1041 | else if (!oideq(noid, cb->oid)) |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 1042 | warning(_("log for ref %s unexpectedly ended on %s"), |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1043 | cb->refname, show_date(cb->date, cb->tz, |
Jeff King | a5481a6 | 2015-06-25 12:55:02 -0400 | [diff] [blame] | 1044 | DATE_MODE(RFC2822))); |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1045 | cb->found_it = 1; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1046 | } |
Denton Liu | 95c2a71 | 2021-01-06 01:01:53 -0800 | [diff] [blame] | 1047 | cb->reccnt++; |
brian m. carlson | 8eb36d9 | 2017-10-15 22:07:03 +0000 | [diff] [blame] | 1048 | oidcpy(&cb->ooid, ooid); |
| 1049 | oidcpy(&cb->noid, noid); |
Denton Liu | 6436a20 | 2021-01-07 02:36:59 -0800 | [diff] [blame] | 1050 | return cb->found_it; |
| 1051 | } |
| 1052 | |
Ævar Arnfjörð Bjarmason | 5cf88fd | 2022-08-25 19:09:48 +0200 | [diff] [blame] | 1053 | static int read_ref_at_ent_newest(struct object_id *ooid UNUSED, |
Jeff King | 63e14ee | 2022-08-19 06:08:32 -0400 | [diff] [blame] | 1054 | struct object_id *noid, |
Ævar Arnfjörð Bjarmason | 5cf88fd | 2022-08-25 19:09:48 +0200 | [diff] [blame] | 1055 | const char *email UNUSED, |
Jeff King | 63e14ee | 2022-08-19 06:08:32 -0400 | [diff] [blame] | 1056 | timestamp_t timestamp, int tz, |
| 1057 | const char *message, void *cb_data) |
Denton Liu | 6436a20 | 2021-01-07 02:36:59 -0800 | [diff] [blame] | 1058 | { |
| 1059 | struct read_ref_at_cb *cb = cb_data; |
| 1060 | |
| 1061 | set_read_ref_cutoffs(cb, timestamp, tz, message); |
| 1062 | oidcpy(cb->oid, noid); |
| 1063 | /* We just want the first entry */ |
| 1064 | return 1; |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1065 | } |
| 1066 | |
brian m. carlson | 9461d27 | 2017-02-21 23:47:32 +0000 | [diff] [blame] | 1067 | static int read_ref_at_ent_oldest(struct object_id *ooid, struct object_id *noid, |
Ævar Arnfjörð Bjarmason | 5cf88fd | 2022-08-25 19:09:48 +0200 | [diff] [blame] | 1068 | const char *email UNUSED, |
Jeff King | c006e9f | 2022-08-19 06:08:35 -0400 | [diff] [blame] | 1069 | timestamp_t timestamp, int tz, |
| 1070 | const char *message, void *cb_data) |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1071 | { |
| 1072 | struct read_ref_at_cb *cb = cb_data; |
| 1073 | |
Denton Liu | 95c2a71 | 2021-01-06 01:01:53 -0800 | [diff] [blame] | 1074 | set_read_ref_cutoffs(cb, timestamp, tz, message); |
brian m. carlson | 8eb36d9 | 2017-10-15 22:07:03 +0000 | [diff] [blame] | 1075 | oidcpy(cb->oid, ooid); |
| 1076 | if (is_null_oid(cb->oid)) |
| 1077 | oidcpy(cb->oid, noid); |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1078 | /* We just want the first entry */ |
| 1079 | return 1; |
Junio C Hamano | 16d7cc9 | 2007-01-19 01:19:05 -0800 | [diff] [blame] | 1080 | } |
| 1081 | |
Nguyễn Thái Ngọc Duy | 7fdff47 | 2019-04-06 18:34:30 +0700 | [diff] [blame] | 1082 | int read_ref_at(struct ref_store *refs, const char *refname, |
| 1083 | unsigned int flags, timestamp_t at_time, int cnt, |
brian m. carlson | 8eb36d9 | 2017-10-15 22:07:03 +0000 | [diff] [blame] | 1084 | struct object_id *oid, char **msg, |
Johannes Schindelin | dddbad7 | 2017-04-26 21:29:31 +0200 | [diff] [blame] | 1085 | timestamp_t *cutoff_time, int *cutoff_tz, int *cutoff_cnt) |
Shawn Pearce | d556fae | 2006-05-17 05:56:09 -0400 | [diff] [blame] | 1086 | { |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1087 | struct read_ref_at_cb cb; |
Shawn Pearce | d556fae | 2006-05-17 05:56:09 -0400 | [diff] [blame] | 1088 | |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1089 | memset(&cb, 0, sizeof(cb)); |
| 1090 | cb.refname = refname; |
| 1091 | cb.at_time = at_time; |
| 1092 | cb.cnt = cnt; |
| 1093 | cb.msg = msg; |
| 1094 | cb.cutoff_time = cutoff_time; |
| 1095 | cb.cutoff_tz = cutoff_tz; |
| 1096 | cb.cutoff_cnt = cutoff_cnt; |
brian m. carlson | 8eb36d9 | 2017-10-15 22:07:03 +0000 | [diff] [blame] | 1097 | cb.oid = oid; |
Shawn Pearce | d556fae | 2006-05-17 05:56:09 -0400 | [diff] [blame] | 1098 | |
Denton Liu | 6436a20 | 2021-01-07 02:36:59 -0800 | [diff] [blame] | 1099 | if (cb.cnt == 0) { |
| 1100 | refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent_newest, &cb); |
| 1101 | return 0; |
| 1102 | } |
| 1103 | |
Nguyễn Thái Ngọc Duy | 7fdff47 | 2019-04-06 18:34:30 +0700 | [diff] [blame] | 1104 | refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent, &cb); |
Shawn Pearce | d556fae | 2006-05-17 05:56:09 -0400 | [diff] [blame] | 1105 | |
David Aguilar | c41a87d | 2014-09-18 20:45:37 -0700 | [diff] [blame] | 1106 | if (!cb.reccnt) { |
brian m. carlson | 321c89b | 2017-07-13 23:49:29 +0000 | [diff] [blame] | 1107 | if (flags & GET_OID_QUIETLY) |
David Aguilar | c41a87d | 2014-09-18 20:45:37 -0700 | [diff] [blame] | 1108 | exit(128); |
| 1109 | else |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 1110 | die(_("log for %s is empty"), refname); |
David Aguilar | c41a87d | 2014-09-18 20:45:37 -0700 | [diff] [blame] | 1111 | } |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1112 | if (cb.found_it) |
| 1113 | return 0; |
Junio C Hamano | 16d7cc9 | 2007-01-19 01:19:05 -0800 | [diff] [blame] | 1114 | |
Nguyễn Thái Ngọc Duy | 7fdff47 | 2019-04-06 18:34:30 +0700 | [diff] [blame] | 1115 | refs_for_each_reflog_ent(refs, refname, read_ref_at_ent_oldest, &cb); |
Ronnie Sahlberg | 4207ed2 | 2014-06-03 09:09:59 -0700 | [diff] [blame] | 1116 | |
Junio C Hamano | 16d7cc9 | 2007-01-19 01:19:05 -0800 | [diff] [blame] | 1117 | return 1; |
Shawn Pearce | d556fae | 2006-05-17 05:56:09 -0400 | [diff] [blame] | 1118 | } |
Junio C Hamano | 2ff8166 | 2006-12-18 01:18:16 -0800 | [diff] [blame] | 1119 | |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1120 | struct ref_transaction *ref_store_transaction_begin(struct ref_store *refs, |
| 1121 | struct strbuf *err) |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1122 | { |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1123 | struct ref_transaction *tr; |
Jonathan Nieder | 5a603b0 | 2014-08-28 16:42:37 -0700 | [diff] [blame] | 1124 | assert(err); |
| 1125 | |
René Scharfe | ca56dad | 2021-03-13 17:17:22 +0100 | [diff] [blame] | 1126 | CALLOC_ARRAY(tr, 1); |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1127 | tr->ref_store = refs; |
| 1128 | return tr; |
| 1129 | } |
| 1130 | |
| 1131 | struct ref_transaction *ref_transaction_begin(struct strbuf *err) |
| 1132 | { |
Junio C Hamano | c6da34a | 2022-04-13 15:51:33 -0700 | [diff] [blame] | 1133 | return ref_store_transaction_begin(get_main_ref_store(the_repository), err); |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1134 | } |
| 1135 | |
Ronnie Sahlberg | 026bd1d | 2014-06-20 07:42:42 -0700 | [diff] [blame] | 1136 | void ref_transaction_free(struct ref_transaction *transaction) |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1137 | { |
Michael Haggerty | 43a2dfd | 2017-05-22 16:17:37 +0200 | [diff] [blame] | 1138 | size_t i; |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1139 | |
Ronnie Sahlberg | 1b07255 | 2014-06-20 07:42:45 -0700 | [diff] [blame] | 1140 | if (!transaction) |
| 1141 | return; |
| 1142 | |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 1143 | switch (transaction->state) { |
| 1144 | case REF_TRANSACTION_OPEN: |
| 1145 | case REF_TRANSACTION_CLOSED: |
| 1146 | /* OK */ |
| 1147 | break; |
| 1148 | case REF_TRANSACTION_PREPARED: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 1149 | BUG("free called on a prepared reference transaction"); |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 1150 | break; |
| 1151 | default: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 1152 | BUG("unexpected reference transaction state"); |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 1153 | break; |
| 1154 | } |
| 1155 | |
Ronnie Sahlberg | db7516a | 2014-04-30 12:22:42 -0700 | [diff] [blame] | 1156 | for (i = 0; i < transaction->nr; i++) { |
| 1157 | free(transaction->updates[i]->msg); |
Michael Haggerty | 8861591 | 2014-04-07 15:48:14 +0200 | [diff] [blame] | 1158 | free(transaction->updates[i]); |
Ronnie Sahlberg | db7516a | 2014-04-30 12:22:42 -0700 | [diff] [blame] | 1159 | } |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1160 | free(transaction->updates); |
| 1161 | free(transaction); |
| 1162 | } |
| 1163 | |
Michael Haggerty | 7156451 | 2016-04-25 11:39:54 +0200 | [diff] [blame] | 1164 | struct ref_update *ref_transaction_add_update( |
| 1165 | struct ref_transaction *transaction, |
| 1166 | const char *refname, unsigned int flags, |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1167 | const struct object_id *new_oid, |
| 1168 | const struct object_id *old_oid, |
Michael Haggerty | 7156451 | 2016-04-25 11:39:54 +0200 | [diff] [blame] | 1169 | const char *msg) |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1170 | { |
Jeff King | 96ffc06 | 2016-02-22 17:44:32 -0500 | [diff] [blame] | 1171 | struct ref_update *update; |
Michael Haggerty | 7156451 | 2016-04-25 11:39:54 +0200 | [diff] [blame] | 1172 | |
| 1173 | if (transaction->state != REF_TRANSACTION_OPEN) |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 1174 | BUG("update called for transaction that is not open"); |
Michael Haggerty | 7156451 | 2016-04-25 11:39:54 +0200 | [diff] [blame] | 1175 | |
Jeff King | 96ffc06 | 2016-02-22 17:44:32 -0500 | [diff] [blame] | 1176 | FLEX_ALLOC_STR(update, refname, refname); |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1177 | ALLOC_GROW(transaction->updates, transaction->nr + 1, transaction->alloc); |
| 1178 | transaction->updates[transaction->nr++] = update; |
Michael Haggerty | 7156451 | 2016-04-25 11:39:54 +0200 | [diff] [blame] | 1179 | |
| 1180 | update->flags = flags; |
| 1181 | |
| 1182 | if (flags & REF_HAVE_NEW) |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1183 | oidcpy(&update->new_oid, new_oid); |
Michael Haggerty | 7156451 | 2016-04-25 11:39:54 +0200 | [diff] [blame] | 1184 | if (flags & REF_HAVE_OLD) |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1185 | oidcpy(&update->old_oid, old_oid); |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 1186 | update->msg = normalize_reflog_message(msg); |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1187 | return update; |
| 1188 | } |
| 1189 | |
Ronnie Sahlberg | 8e34800 | 2014-06-20 07:43:00 -0700 | [diff] [blame] | 1190 | int ref_transaction_update(struct ref_transaction *transaction, |
| 1191 | const char *refname, |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1192 | const struct object_id *new_oid, |
| 1193 | const struct object_id *old_oid, |
Michael Haggerty | 1d147bd | 2015-02-17 18:00:15 +0100 | [diff] [blame] | 1194 | unsigned int flags, const char *msg, |
Ronnie Sahlberg | 8e34800 | 2014-06-20 07:43:00 -0700 | [diff] [blame] | 1195 | struct strbuf *err) |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1196 | { |
Jonathan Nieder | 5a603b0 | 2014-08-28 16:42:37 -0700 | [diff] [blame] | 1197 | assert(err); |
| 1198 | |
Han-Wen Nienhuys | 3c966c7 | 2021-12-07 13:38:18 +0000 | [diff] [blame] | 1199 | if (!(flags & REF_SKIP_REFNAME_VERIFICATION) && |
| 1200 | ((new_oid && !is_null_oid(new_oid)) ? |
| 1201 | check_refname_format(refname, REFNAME_ALLOW_ONELEVEL) : |
| 1202 | !refname_is_safe(refname))) { |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 1203 | strbuf_addf(err, _("refusing to update ref with bad name '%s'"), |
Ronnie Sahlberg | d0f810f | 2014-09-03 11:45:43 -0700 | [diff] [blame] | 1204 | refname); |
| 1205 | return -1; |
| 1206 | } |
| 1207 | |
Michael Haggerty | a9bbbce | 2017-11-05 09:42:03 +0100 | [diff] [blame] | 1208 | if (flags & ~REF_TRANSACTION_UPDATE_ALLOWED_FLAGS) |
| 1209 | BUG("illegal flags 0x%x passed to ref_transaction_update()", flags); |
Thomas Gummerer | c788c54 | 2017-09-12 23:59:21 +0100 | [diff] [blame] | 1210 | |
Jeff King | 49f1eb3 | 2021-11-19 16:28:30 -0500 | [diff] [blame] | 1211 | /* |
| 1212 | * Clear flags outside the allowed set; this should be a noop because |
| 1213 | * of the BUG() check above, but it works around a -Wnonnull warning |
| 1214 | * with some versions of "gcc -O3". |
| 1215 | */ |
| 1216 | flags &= REF_TRANSACTION_UPDATE_ALLOWED_FLAGS; |
| 1217 | |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1218 | flags |= (new_oid ? REF_HAVE_NEW : 0) | (old_oid ? REF_HAVE_OLD : 0); |
Michael Haggerty | 7156451 | 2016-04-25 11:39:54 +0200 | [diff] [blame] | 1219 | |
| 1220 | ref_transaction_add_update(transaction, refname, flags, |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1221 | new_oid, old_oid, msg); |
Ronnie Sahlberg | 8e34800 | 2014-06-20 07:43:00 -0700 | [diff] [blame] | 1222 | return 0; |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1223 | } |
| 1224 | |
Ronnie Sahlberg | b416af5 | 2014-04-16 15:26:44 -0700 | [diff] [blame] | 1225 | int ref_transaction_create(struct ref_transaction *transaction, |
| 1226 | const char *refname, |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1227 | const struct object_id *new_oid, |
Michael Haggerty | fec14ec | 2015-02-17 18:00:13 +0100 | [diff] [blame] | 1228 | unsigned int flags, const char *msg, |
Ronnie Sahlberg | b416af5 | 2014-04-16 15:26:44 -0700 | [diff] [blame] | 1229 | struct strbuf *err) |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1230 | { |
Derrick Stolee | d097a23 | 2022-04-25 13:47:30 +0000 | [diff] [blame] | 1231 | if (!new_oid || is_null_oid(new_oid)) { |
| 1232 | strbuf_addf(err, "'%s' has a null OID", refname); |
| 1233 | return 1; |
| 1234 | } |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1235 | return ref_transaction_update(transaction, refname, new_oid, |
brian m. carlson | 1422844 | 2021-04-26 01:02:56 +0000 | [diff] [blame] | 1236 | null_oid(), flags, msg, err); |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1237 | } |
| 1238 | |
Ronnie Sahlberg | 8c8bdc0 | 2014-04-16 15:27:45 -0700 | [diff] [blame] | 1239 | int ref_transaction_delete(struct ref_transaction *transaction, |
| 1240 | const char *refname, |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1241 | const struct object_id *old_oid, |
Michael Haggerty | fb5a6bb | 2015-02-17 18:00:16 +0100 | [diff] [blame] | 1242 | unsigned int flags, const char *msg, |
Ronnie Sahlberg | 8c8bdc0 | 2014-04-16 15:27:45 -0700 | [diff] [blame] | 1243 | struct strbuf *err) |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1244 | { |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1245 | if (old_oid && is_null_oid(old_oid)) |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 1246 | BUG("delete called with old_oid set to zeros"); |
Michael Haggerty | 1d147bd | 2015-02-17 18:00:15 +0100 | [diff] [blame] | 1247 | return ref_transaction_update(transaction, refname, |
brian m. carlson | 1422844 | 2021-04-26 01:02:56 +0000 | [diff] [blame] | 1248 | null_oid(), old_oid, |
Michael Haggerty | 1d147bd | 2015-02-17 18:00:15 +0100 | [diff] [blame] | 1249 | flags, msg, err); |
Michael Haggerty | caa4046 | 2014-04-07 15:48:10 +0200 | [diff] [blame] | 1250 | } |
| 1251 | |
Michael Haggerty | 1618033 | 2015-02-17 18:00:21 +0100 | [diff] [blame] | 1252 | int ref_transaction_verify(struct ref_transaction *transaction, |
| 1253 | const char *refname, |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1254 | const struct object_id *old_oid, |
Michael Haggerty | 1618033 | 2015-02-17 18:00:21 +0100 | [diff] [blame] | 1255 | unsigned int flags, |
| 1256 | struct strbuf *err) |
| 1257 | { |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1258 | if (!old_oid) |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 1259 | BUG("verify called with old_oid set to NULL"); |
Michael Haggerty | 1618033 | 2015-02-17 18:00:21 +0100 | [diff] [blame] | 1260 | return ref_transaction_update(transaction, refname, |
brian m. carlson | 89f3bbd | 2017-10-15 22:06:53 +0000 | [diff] [blame] | 1261 | NULL, old_oid, |
Michael Haggerty | 1618033 | 2015-02-17 18:00:21 +0100 | [diff] [blame] | 1262 | flags, NULL, err); |
| 1263 | } |
| 1264 | |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1265 | int refs_update_ref(struct ref_store *refs, const char *msg, |
brian m. carlson | ae07777 | 2017-10-15 22:06:51 +0000 | [diff] [blame] | 1266 | const char *refname, const struct object_id *new_oid, |
| 1267 | const struct object_id *old_oid, unsigned int flags, |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1268 | enum action_on_err onerr) |
Brad King | 4738a33 | 2013-09-04 11:22:40 -0400 | [diff] [blame] | 1269 | { |
David Turner | 74ec19d | 2015-07-31 02:06:19 -0400 | [diff] [blame] | 1270 | struct ref_transaction *t = NULL; |
Ronnie Sahlberg | b4d75ac | 2014-04-24 16:36:55 -0700 | [diff] [blame] | 1271 | struct strbuf err = STRBUF_INIT; |
David Turner | 74ec19d | 2015-07-31 02:06:19 -0400 | [diff] [blame] | 1272 | int ret = 0; |
Ronnie Sahlberg | b4d75ac | 2014-04-24 16:36:55 -0700 | [diff] [blame] | 1273 | |
Junio C Hamano | c6da34a | 2022-04-13 15:51:33 -0700 | [diff] [blame] | 1274 | t = ref_store_transaction_begin(refs, &err); |
Han-Wen Nienhuys | 0974341 | 2020-07-27 16:25:46 +0000 | [diff] [blame] | 1275 | if (!t || |
| 1276 | ref_transaction_update(t, refname, new_oid, old_oid, flags, msg, |
| 1277 | &err) || |
| 1278 | ref_transaction_commit(t, &err)) { |
| 1279 | ret = 1; |
| 1280 | ref_transaction_free(t); |
David Turner | 74ec19d | 2015-07-31 02:06:19 -0400 | [diff] [blame] | 1281 | } |
| 1282 | if (ret) { |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 1283 | const char *str = _("update_ref failed for ref '%s': %s"); |
Ronnie Sahlberg | b4d75ac | 2014-04-24 16:36:55 -0700 | [diff] [blame] | 1284 | |
Ronnie Sahlberg | b4d75ac | 2014-04-24 16:36:55 -0700 | [diff] [blame] | 1285 | switch (onerr) { |
| 1286 | case UPDATE_REFS_MSG_ON_ERR: |
| 1287 | error(str, refname, err.buf); |
| 1288 | break; |
| 1289 | case UPDATE_REFS_DIE_ON_ERR: |
| 1290 | die(str, refname, err.buf); |
| 1291 | break; |
| 1292 | case UPDATE_REFS_QUIET_ON_ERR: |
| 1293 | break; |
| 1294 | } |
| 1295 | strbuf_release(&err); |
Brad King | 4738a33 | 2013-09-04 11:22:40 -0400 | [diff] [blame] | 1296 | return 1; |
Ronnie Sahlberg | b4d75ac | 2014-04-24 16:36:55 -0700 | [diff] [blame] | 1297 | } |
| 1298 | strbuf_release(&err); |
David Turner | 74ec19d | 2015-07-31 02:06:19 -0400 | [diff] [blame] | 1299 | if (t) |
| 1300 | ref_transaction_free(t); |
Ronnie Sahlberg | b4d75ac | 2014-04-24 16:36:55 -0700 | [diff] [blame] | 1301 | return 0; |
Brad King | 4738a33 | 2013-09-04 11:22:40 -0400 | [diff] [blame] | 1302 | } |
| 1303 | |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1304 | int update_ref(const char *msg, const char *refname, |
brian m. carlson | ae07777 | 2017-10-15 22:06:51 +0000 | [diff] [blame] | 1305 | const struct object_id *new_oid, |
| 1306 | const struct object_id *old_oid, |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1307 | unsigned int flags, enum action_on_err onerr) |
| 1308 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1309 | return refs_update_ref(get_main_ref_store(the_repository), msg, refname, new_oid, |
brian m. carlson | ae07777 | 2017-10-15 22:06:51 +0000 | [diff] [blame] | 1310 | old_oid, flags, onerr); |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 1311 | } |
| 1312 | |
Nguyễn Thái Ngọc Duy | 546edf3 | 2019-04-06 18:34:25 +0700 | [diff] [blame] | 1313 | char *refs_shorten_unambiguous_ref(struct ref_store *refs, |
| 1314 | const char *refname, int strict) |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1315 | { |
| 1316 | int i; |
| 1317 | static char **scanf_fmts; |
| 1318 | static int nr_rules; |
| 1319 | char *short_name; |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 1320 | struct strbuf resolved_buf = STRBUF_INIT; |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1321 | |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1322 | if (!nr_rules) { |
Michael Haggerty | 4346663 | 2014-01-08 15:43:39 +0100 | [diff] [blame] | 1323 | /* |
| 1324 | * Pre-generate scanf formats from ref_rev_parse_rules[]. |
| 1325 | * Generate a format suitable for scanf from a |
| 1326 | * ref_rev_parse_rules rule by interpolating "%s" at the |
| 1327 | * location of the "%.*s". |
| 1328 | */ |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1329 | size_t total_len = 0; |
Michael Haggerty | 84d5633 | 2014-01-08 15:43:38 +0100 | [diff] [blame] | 1330 | size_t offset = 0; |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1331 | |
| 1332 | /* the rule list is NULL terminated, count them first */ |
Jeff King | a416585 | 2013-10-24 04:45:13 -0400 | [diff] [blame] | 1333 | for (nr_rules = 0; ref_rev_parse_rules[nr_rules]; nr_rules++) |
Michael Haggerty | 7902fe0 | 2014-01-08 15:43:40 +0100 | [diff] [blame] | 1334 | /* -2 for strlen("%.*s") - strlen("%s"); +1 for NUL */ |
| 1335 | total_len += strlen(ref_rev_parse_rules[nr_rules]) - 2 + 1; |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1336 | |
René Scharfe | 50492f7 | 2016-07-30 20:18:31 +0200 | [diff] [blame] | 1337 | scanf_fmts = xmalloc(st_add(st_mult(sizeof(char *), nr_rules), total_len)); |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1338 | |
Michael Haggerty | 84d5633 | 2014-01-08 15:43:38 +0100 | [diff] [blame] | 1339 | offset = 0; |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1340 | for (i = 0; i < nr_rules; i++) { |
Michael Haggerty | 4346663 | 2014-01-08 15:43:39 +0100 | [diff] [blame] | 1341 | assert(offset < total_len); |
Michael Haggerty | 84d5633 | 2014-01-08 15:43:38 +0100 | [diff] [blame] | 1342 | scanf_fmts[i] = (char *)&scanf_fmts[nr_rules] + offset; |
Jeff King | bf4baf1 | 2018-05-18 18:58:20 -0700 | [diff] [blame] | 1343 | offset += xsnprintf(scanf_fmts[i], total_len - offset, |
| 1344 | ref_rev_parse_rules[i], 2, "%s") + 1; |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | /* bail out if there are no rules */ |
| 1349 | if (!nr_rules) |
Michael Haggerty | dfefa93 | 2011-12-12 06:38:09 +0100 | [diff] [blame] | 1350 | return xstrdup(refname); |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1351 | |
Michael Haggerty | dfefa93 | 2011-12-12 06:38:09 +0100 | [diff] [blame] | 1352 | /* buffer for scanf result, at most refname must fit */ |
| 1353 | short_name = xstrdup(refname); |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1354 | |
| 1355 | /* skip first rule, it will always match */ |
| 1356 | for (i = nr_rules - 1; i > 0 ; --i) { |
| 1357 | int j; |
Bert Wesarg | 6e7b330 | 2009-04-13 12:25:46 +0200 | [diff] [blame] | 1358 | int rules_to_fail = i; |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1359 | int short_name_len; |
| 1360 | |
Michael Haggerty | dfefa93 | 2011-12-12 06:38:09 +0100 | [diff] [blame] | 1361 | if (1 != sscanf(refname, scanf_fmts[i], short_name)) |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1362 | continue; |
| 1363 | |
| 1364 | short_name_len = strlen(short_name); |
| 1365 | |
| 1366 | /* |
Bert Wesarg | 6e7b330 | 2009-04-13 12:25:46 +0200 | [diff] [blame] | 1367 | * in strict mode, all (except the matched one) rules |
| 1368 | * must fail to resolve to a valid non-ambiguous ref |
| 1369 | */ |
| 1370 | if (strict) |
| 1371 | rules_to_fail = nr_rules; |
| 1372 | |
| 1373 | /* |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1374 | * check if the short name resolves to a valid ref, |
| 1375 | * but use only rules prior to the matched one |
| 1376 | */ |
Bert Wesarg | 6e7b330 | 2009-04-13 12:25:46 +0200 | [diff] [blame] | 1377 | for (j = 0; j < rules_to_fail; j++) { |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1378 | const char *rule = ref_rev_parse_rules[j]; |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1379 | |
Bert Wesarg | 6e7b330 | 2009-04-13 12:25:46 +0200 | [diff] [blame] | 1380 | /* skip matched rule */ |
| 1381 | if (i == j) |
| 1382 | continue; |
| 1383 | |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1384 | /* |
| 1385 | * the short name is ambiguous, if it resolves |
| 1386 | * (with this previous rule) to a valid ref |
| 1387 | * read_ref() returns 0 on success |
| 1388 | */ |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 1389 | strbuf_reset(&resolved_buf); |
| 1390 | strbuf_addf(&resolved_buf, rule, |
| 1391 | short_name_len, short_name); |
Nguyễn Thái Ngọc Duy | 546edf3 | 2019-04-06 18:34:25 +0700 | [diff] [blame] | 1392 | if (refs_ref_exists(refs, resolved_buf.buf)) |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1393 | break; |
| 1394 | } |
| 1395 | |
| 1396 | /* |
| 1397 | * short name is non-ambiguous if all previous rules |
| 1398 | * haven't resolved to a valid ref |
| 1399 | */ |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 1400 | if (j == rules_to_fail) { |
| 1401 | strbuf_release(&resolved_buf); |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1402 | return short_name; |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 1403 | } |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1404 | } |
| 1405 | |
Jeff King | 6cd4a89 | 2017-03-28 15:46:33 -0400 | [diff] [blame] | 1406 | strbuf_release(&resolved_buf); |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1407 | free(short_name); |
Michael Haggerty | dfefa93 | 2011-12-12 06:38:09 +0100 | [diff] [blame] | 1408 | return xstrdup(refname); |
Jeff King | 7c2b302 | 2009-04-07 03:14:20 -0400 | [diff] [blame] | 1409 | } |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1410 | |
Nguyễn Thái Ngọc Duy | 546edf3 | 2019-04-06 18:34:25 +0700 | [diff] [blame] | 1411 | char *shorten_unambiguous_ref(const char *refname, int strict) |
| 1412 | { |
| 1413 | return refs_shorten_unambiguous_ref(get_main_ref_store(the_repository), |
| 1414 | refname, strict); |
| 1415 | } |
| 1416 | |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1417 | static struct string_list *hide_refs; |
| 1418 | |
| 1419 | int parse_hide_refs_config(const char *var, const char *value, const char *section) |
| 1420 | { |
Jeff King | ad8c7cd | 2017-02-24 16:08:16 -0500 | [diff] [blame] | 1421 | const char *key; |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1422 | if (!strcmp("transfer.hiderefs", var) || |
Jeff King | ad8c7cd | 2017-02-24 16:08:16 -0500 | [diff] [blame] | 1423 | (!parse_config_key(var, section, NULL, NULL, &key) && |
| 1424 | !strcmp(key, "hiderefs"))) { |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1425 | char *ref; |
| 1426 | int len; |
| 1427 | |
| 1428 | if (!value) |
| 1429 | return config_error_nonbool(var); |
| 1430 | ref = xstrdup(value); |
| 1431 | len = strlen(ref); |
| 1432 | while (len && ref[len - 1] == '/') |
| 1433 | ref[--len] = '\0'; |
| 1434 | if (!hide_refs) { |
René Scharfe | ca56dad | 2021-03-13 17:17:22 +0100 | [diff] [blame] | 1435 | CALLOC_ARRAY(hide_refs, 1); |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1436 | hide_refs->strdup_strings = 1; |
| 1437 | } |
| 1438 | string_list_append(hide_refs, ref); |
| 1439 | } |
| 1440 | return 0; |
| 1441 | } |
| 1442 | |
Lukas Fleischer | 78a766a | 2015-11-03 08:58:16 +0100 | [diff] [blame] | 1443 | int ref_is_hidden(const char *refname, const char *refname_full) |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1444 | { |
Jeff King | 2bc31d1 | 2015-07-28 16:23:26 -0400 | [diff] [blame] | 1445 | int i; |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1446 | |
| 1447 | if (!hide_refs) |
| 1448 | return 0; |
Jeff King | 2bc31d1 | 2015-07-28 16:23:26 -0400 | [diff] [blame] | 1449 | for (i = hide_refs->nr - 1; i >= 0; i--) { |
| 1450 | const char *match = hide_refs->items[i].string; |
Lukas Fleischer | 78a766a | 2015-11-03 08:58:16 +0100 | [diff] [blame] | 1451 | const char *subject; |
Jeff King | 2bc31d1 | 2015-07-28 16:23:26 -0400 | [diff] [blame] | 1452 | int neg = 0; |
Christian Couder | 7a40a95 | 2017-07-22 06:39:12 +0200 | [diff] [blame] | 1453 | const char *p; |
Jeff King | 2bc31d1 | 2015-07-28 16:23:26 -0400 | [diff] [blame] | 1454 | |
| 1455 | if (*match == '!') { |
| 1456 | neg = 1; |
| 1457 | match++; |
| 1458 | } |
| 1459 | |
Lukas Fleischer | 78a766a | 2015-11-03 08:58:16 +0100 | [diff] [blame] | 1460 | if (*match == '^') { |
| 1461 | subject = refname_full; |
| 1462 | match++; |
| 1463 | } else { |
| 1464 | subject = refname; |
| 1465 | } |
| 1466 | |
| 1467 | /* refname can be NULL when namespaces are used. */ |
Christian Couder | 7a40a95 | 2017-07-22 06:39:12 +0200 | [diff] [blame] | 1468 | if (subject && |
| 1469 | skip_prefix(subject, match, &p) && |
| 1470 | (!*p || *p == '/')) |
Jeff King | 2bc31d1 | 2015-07-28 16:23:26 -0400 | [diff] [blame] | 1471 | return !neg; |
Junio C Hamano | daebaa7 | 2013-01-18 16:08:30 -0800 | [diff] [blame] | 1472 | } |
| 1473 | return 0; |
| 1474 | } |
Michael Haggerty | fa5b183 | 2014-12-12 09:56:59 +0100 | [diff] [blame] | 1475 | |
David Turner | 0845122 | 2015-11-10 12:42:40 +0100 | [diff] [blame] | 1476 | const char *find_descendant_ref(const char *dirname, |
| 1477 | const struct string_list *extras, |
| 1478 | const struct string_list *skip) |
Michael Haggerty | fa5b183 | 2014-12-12 09:56:59 +0100 | [diff] [blame] | 1479 | { |
David Turner | 0845122 | 2015-11-10 12:42:40 +0100 | [diff] [blame] | 1480 | int pos; |
Michael Haggerty | fa5b183 | 2014-12-12 09:56:59 +0100 | [diff] [blame] | 1481 | |
David Turner | 0845122 | 2015-11-10 12:42:40 +0100 | [diff] [blame] | 1482 | if (!extras) |
| 1483 | return NULL; |
Michael Haggerty | fa5b183 | 2014-12-12 09:56:59 +0100 | [diff] [blame] | 1484 | |
| 1485 | /* |
David Turner | 0845122 | 2015-11-10 12:42:40 +0100 | [diff] [blame] | 1486 | * Look at the place where dirname would be inserted into |
| 1487 | * extras. If there is an entry at that position that starts |
| 1488 | * with dirname (remember, dirname includes the trailing |
| 1489 | * slash) and is not in skip, then we have a conflict. |
Michael Haggerty | fa5b183 | 2014-12-12 09:56:59 +0100 | [diff] [blame] | 1490 | */ |
David Turner | 0845122 | 2015-11-10 12:42:40 +0100 | [diff] [blame] | 1491 | for (pos = string_list_find_insert_index(extras, dirname, 0); |
| 1492 | pos < extras->nr; pos++) { |
| 1493 | const char *extra_refname = extras->items[pos].string; |
| 1494 | |
| 1495 | if (!starts_with(extra_refname, dirname)) |
| 1496 | break; |
| 1497 | |
| 1498 | if (!skip || !string_list_has_string(skip, extra_refname)) |
| 1499 | return extra_refname; |
Michael Haggerty | 4a32b2e | 2015-05-11 17:25:15 +0200 | [diff] [blame] | 1500 | } |
David Turner | 0845122 | 2015-11-10 12:42:40 +0100 | [diff] [blame] | 1501 | return NULL; |
| 1502 | } |
Michael Haggerty | fa5b183 | 2014-12-12 09:56:59 +0100 | [diff] [blame] | 1503 | |
Nguyễn Thái Ngọc Duy | 62f0b39 | 2017-08-23 19:36:55 +0700 | [diff] [blame] | 1504 | int refs_head_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
David Turner | 2bf68ed | 2016-04-07 15:02:48 -0400 | [diff] [blame] | 1505 | { |
| 1506 | struct object_id oid; |
| 1507 | int flag; |
| 1508 | |
Ævar Arnfjörð Bjarmason | f1da24c | 2021-10-16 11:39:27 +0200 | [diff] [blame] | 1509 | if (refs_resolve_ref_unsafe(refs, "HEAD", RESOLVE_REF_READING, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1510 | &oid, &flag)) |
David Turner | 2bf68ed | 2016-04-07 15:02:48 -0400 | [diff] [blame] | 1511 | return fn("HEAD", &oid, flag, cb_data); |
| 1512 | |
| 1513 | return 0; |
| 1514 | } |
| 1515 | |
| 1516 | int head_ref(each_ref_fn fn, void *cb_data) |
| 1517 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1518 | return refs_head_ref(get_main_ref_store(the_repository), fn, cb_data); |
David Turner | 2bf68ed | 2016-04-07 15:02:48 -0400 | [diff] [blame] | 1519 | } |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1520 | |
Michael Haggerty | e121b9c | 2017-03-20 17:33:08 +0100 | [diff] [blame] | 1521 | struct ref_iterator *refs_ref_iterator_begin( |
| 1522 | struct ref_store *refs, |
Jeff King | 9aab952 | 2021-09-24 14:39:44 -0400 | [diff] [blame] | 1523 | const char *prefix, int trim, |
| 1524 | enum do_for_each_ref_flags flags) |
Michael Haggerty | e121b9c | 2017-03-20 17:33:08 +0100 | [diff] [blame] | 1525 | { |
| 1526 | struct ref_iterator *iter; |
| 1527 | |
Jeff King | 6d751be | 2021-09-24 14:42:38 -0400 | [diff] [blame] | 1528 | if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) { |
Jeff King | 5d1f5b8 | 2021-09-24 14:46:37 -0400 | [diff] [blame] | 1529 | static int ref_paranoia = -1; |
| 1530 | |
Jeff King | 6d751be | 2021-09-24 14:42:38 -0400 | [diff] [blame] | 1531 | if (ref_paranoia < 0) |
Jeff King | 968f12f | 2021-09-24 14:46:13 -0400 | [diff] [blame] | 1532 | ref_paranoia = git_env_bool("GIT_REF_PARANOIA", 1); |
Jeff King | 6d751be | 2021-09-24 14:42:38 -0400 | [diff] [blame] | 1533 | if (ref_paranoia) { |
| 1534 | flags |= DO_FOR_EACH_INCLUDE_BROKEN; |
| 1535 | flags |= DO_FOR_EACH_OMIT_DANGLING_SYMREFS; |
| 1536 | } |
| 1537 | } |
Michael Haggerty | 0a0865b | 2017-05-22 16:17:52 +0200 | [diff] [blame] | 1538 | |
Michael Haggerty | e121b9c | 2017-03-20 17:33:08 +0100 | [diff] [blame] | 1539 | iter = refs->be->iterator_begin(refs, prefix, flags); |
Michael Haggerty | c759971 | 2017-05-22 16:17:36 +0200 | [diff] [blame] | 1540 | |
| 1541 | /* |
| 1542 | * `iterator_begin()` already takes care of prefix, but we |
| 1543 | * might need to do some trimming: |
| 1544 | */ |
| 1545 | if (trim) |
| 1546 | iter = prefix_ref_iterator_begin(iter, "", trim); |
Michael Haggerty | e121b9c | 2017-03-20 17:33:08 +0100 | [diff] [blame] | 1547 | |
Michael Haggerty | 8738a8a | 2017-09-13 19:15:55 +0200 | [diff] [blame] | 1548 | /* Sanity check for subclasses: */ |
| 1549 | if (!iter->ordered) |
| 1550 | BUG("reference iterator is not ordered"); |
| 1551 | |
Michael Haggerty | e121b9c | 2017-03-20 17:33:08 +0100 | [diff] [blame] | 1552 | return iter; |
| 1553 | } |
| 1554 | |
Michael Haggerty | 4c4de89 | 2016-06-18 06:15:16 +0200 | [diff] [blame] | 1555 | /* |
| 1556 | * Call fn for each reference in the specified submodule for which the |
| 1557 | * refname begins with prefix. If trim is non-zero, then trim that |
| 1558 | * many characters off the beginning of each refname before passing |
| 1559 | * the refname to fn. flags can be DO_FOR_EACH_INCLUDE_BROKEN to |
| 1560 | * include broken references in the iteration. If fn ever returns a |
| 1561 | * non-zero value, stop the iteration and return that value; |
| 1562 | * otherwise, return 0. |
| 1563 | */ |
Stefan Beller | 4a6067c | 2018-08-20 18:24:16 +0000 | [diff] [blame] | 1564 | static int do_for_each_repo_ref(struct repository *r, const char *prefix, |
| 1565 | each_repo_ref_fn fn, int trim, int flags, |
| 1566 | void *cb_data) |
Michael Haggerty | 4c4de89 | 2016-06-18 06:15:16 +0200 | [diff] [blame] | 1567 | { |
| 1568 | struct ref_iterator *iter; |
Stefan Beller | 4a6067c | 2018-08-20 18:24:16 +0000 | [diff] [blame] | 1569 | struct ref_store *refs = get_main_ref_store(r); |
Michael Haggerty | 4c4de89 | 2016-06-18 06:15:16 +0200 | [diff] [blame] | 1570 | |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1571 | if (!refs) |
| 1572 | return 0; |
| 1573 | |
Michael Haggerty | e121b9c | 2017-03-20 17:33:08 +0100 | [diff] [blame] | 1574 | iter = refs_ref_iterator_begin(refs, prefix, trim, flags); |
Michael Haggerty | 4c4de89 | 2016-06-18 06:15:16 +0200 | [diff] [blame] | 1575 | |
Stefan Beller | 4a6067c | 2018-08-20 18:24:16 +0000 | [diff] [blame] | 1576 | return do_for_each_repo_ref_iterator(r, iter, fn, cb_data); |
| 1577 | } |
| 1578 | |
| 1579 | struct do_for_each_ref_help { |
| 1580 | each_ref_fn *fn; |
| 1581 | void *cb_data; |
| 1582 | }; |
| 1583 | |
| 1584 | static int do_for_each_ref_helper(struct repository *r, |
| 1585 | const char *refname, |
| 1586 | const struct object_id *oid, |
| 1587 | int flags, |
| 1588 | void *cb_data) |
| 1589 | { |
| 1590 | struct do_for_each_ref_help *hp = cb_data; |
| 1591 | |
| 1592 | return hp->fn(refname, oid, flags, hp->cb_data); |
| 1593 | } |
| 1594 | |
| 1595 | static int do_for_each_ref(struct ref_store *refs, const char *prefix, |
Jeff King | 9aab952 | 2021-09-24 14:39:44 -0400 | [diff] [blame] | 1596 | each_ref_fn fn, int trim, |
| 1597 | enum do_for_each_ref_flags flags, void *cb_data) |
Stefan Beller | 4a6067c | 2018-08-20 18:24:16 +0000 | [diff] [blame] | 1598 | { |
| 1599 | struct ref_iterator *iter; |
| 1600 | struct do_for_each_ref_help hp = { fn, cb_data }; |
| 1601 | |
| 1602 | if (!refs) |
| 1603 | return 0; |
| 1604 | |
| 1605 | iter = refs_ref_iterator_begin(refs, prefix, trim, flags); |
| 1606 | |
| 1607 | return do_for_each_repo_ref_iterator(the_repository, iter, |
| 1608 | do_for_each_ref_helper, &hp); |
Michael Haggerty | 4c4de89 | 2016-06-18 06:15:16 +0200 | [diff] [blame] | 1609 | } |
| 1610 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1611 | int refs_for_each_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
| 1612 | { |
| 1613 | return do_for_each_ref(refs, "", fn, 0, 0, cb_data); |
| 1614 | } |
| 1615 | |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1616 | int for_each_ref(each_ref_fn fn, void *cb_data) |
| 1617 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1618 | return refs_for_each_ref(get_main_ref_store(the_repository), fn, cb_data); |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1619 | } |
| 1620 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1621 | int refs_for_each_ref_in(struct ref_store *refs, const char *prefix, |
| 1622 | each_ref_fn fn, void *cb_data) |
| 1623 | { |
| 1624 | return do_for_each_ref(refs, prefix, fn, strlen(prefix), 0, cb_data); |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1625 | } |
| 1626 | |
| 1627 | int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data) |
| 1628 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1629 | return refs_for_each_ref_in(get_main_ref_store(the_repository), prefix, fn, cb_data); |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1630 | } |
| 1631 | |
Jeff King | 67985e4 | 2021-09-24 14:48:48 -0400 | [diff] [blame] | 1632 | int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data) |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1633 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1634 | return do_for_each_ref(get_main_ref_store(the_repository), |
Jeff King | 67985e4 | 2021-09-24 14:48:48 -0400 | [diff] [blame] | 1635 | prefix, fn, 0, 0, cb_data); |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1636 | } |
| 1637 | |
Nguyễn Thái Ngọc Duy | 073cf63 | 2017-08-23 19:36:56 +0700 | [diff] [blame] | 1638 | int refs_for_each_fullref_in(struct ref_store *refs, const char *prefix, |
Jeff King | 67985e4 | 2021-09-24 14:48:48 -0400 | [diff] [blame] | 1639 | each_ref_fn fn, void *cb_data) |
Michael Haggerty | 03df567 | 2017-06-18 15:39:41 +0200 | [diff] [blame] | 1640 | { |
Jeff King | 67985e4 | 2021-09-24 14:48:48 -0400 | [diff] [blame] | 1641 | return do_for_each_ref(refs, prefix, fn, 0, 0, cb_data); |
Michael Haggerty | 03df567 | 2017-06-18 15:39:41 +0200 | [diff] [blame] | 1642 | } |
| 1643 | |
Stefan Beller | 212e0f7 | 2018-08-20 18:24:19 +0000 | [diff] [blame] | 1644 | int for_each_replace_ref(struct repository *r, each_repo_ref_fn fn, void *cb_data) |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1645 | { |
Derrick Stolee | 97e61e0 | 2022-08-05 17:58:37 +0000 | [diff] [blame] | 1646 | const char *git_replace_ref_base = ref_namespace[NAMESPACE_REPLACE].ref; |
Stefan Beller | 212e0f7 | 2018-08-20 18:24:19 +0000 | [diff] [blame] | 1647 | return do_for_each_repo_ref(r, git_replace_ref_base, fn, |
| 1648 | strlen(git_replace_ref_base), |
| 1649 | DO_FOR_EACH_INCLUDE_BROKEN, cb_data); |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1650 | } |
| 1651 | |
| 1652 | int for_each_namespaced_ref(each_ref_fn fn, void *cb_data) |
| 1653 | { |
| 1654 | struct strbuf buf = STRBUF_INIT; |
| 1655 | int ret; |
| 1656 | strbuf_addf(&buf, "%srefs/", get_git_namespace()); |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1657 | ret = do_for_each_ref(get_main_ref_store(the_repository), |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1658 | buf.buf, fn, 0, 0, cb_data); |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1659 | strbuf_release(&buf); |
| 1660 | return ret; |
| 1661 | } |
| 1662 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1663 | int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1664 | { |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1665 | return do_for_each_ref(refs, "", fn, 0, |
David Turner | 9377059 | 2016-04-07 15:02:49 -0400 | [diff] [blame] | 1666 | DO_FOR_EACH_INCLUDE_BROKEN, cb_data); |
| 1667 | } |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1668 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1669 | int for_each_rawref(each_ref_fn fn, void *cb_data) |
| 1670 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1671 | return refs_for_each_rawref(get_main_ref_store(the_repository), fn, cb_data); |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1672 | } |
| 1673 | |
Taylor Blau | 16b1985 | 2021-01-20 11:04:21 -0500 | [diff] [blame] | 1674 | static int qsort_strcmp(const void *va, const void *vb) |
| 1675 | { |
| 1676 | const char *a = *(const char **)va; |
| 1677 | const char *b = *(const char **)vb; |
| 1678 | |
| 1679 | return strcmp(a, b); |
| 1680 | } |
| 1681 | |
| 1682 | static void find_longest_prefixes_1(struct string_list *out, |
| 1683 | struct strbuf *prefix, |
| 1684 | const char **patterns, size_t nr) |
| 1685 | { |
| 1686 | size_t i; |
| 1687 | |
| 1688 | for (i = 0; i < nr; i++) { |
| 1689 | char c = patterns[i][prefix->len]; |
| 1690 | if (!c || is_glob_special(c)) { |
| 1691 | string_list_append(out, prefix->buf); |
| 1692 | return; |
| 1693 | } |
| 1694 | } |
| 1695 | |
| 1696 | i = 0; |
| 1697 | while (i < nr) { |
| 1698 | size_t end; |
| 1699 | |
| 1700 | /* |
| 1701 | * Set "end" to the index of the element _after_ the last one |
| 1702 | * in our group. |
| 1703 | */ |
| 1704 | for (end = i + 1; end < nr; end++) { |
| 1705 | if (patterns[i][prefix->len] != patterns[end][prefix->len]) |
| 1706 | break; |
| 1707 | } |
| 1708 | |
| 1709 | strbuf_addch(prefix, patterns[i][prefix->len]); |
| 1710 | find_longest_prefixes_1(out, prefix, patterns + i, end - i); |
| 1711 | strbuf_setlen(prefix, prefix->len - 1); |
| 1712 | |
| 1713 | i = end; |
| 1714 | } |
| 1715 | } |
| 1716 | |
| 1717 | static void find_longest_prefixes(struct string_list *out, |
| 1718 | const char **patterns) |
| 1719 | { |
| 1720 | struct strvec sorted = STRVEC_INIT; |
| 1721 | struct strbuf prefix = STRBUF_INIT; |
| 1722 | |
| 1723 | strvec_pushv(&sorted, patterns); |
| 1724 | QSORT(sorted.v, sorted.nr, qsort_strcmp); |
| 1725 | |
| 1726 | find_longest_prefixes_1(out, &prefix, sorted.v, sorted.nr); |
| 1727 | |
| 1728 | strvec_clear(&sorted); |
| 1729 | strbuf_release(&prefix); |
| 1730 | } |
| 1731 | |
| 1732 | int for_each_fullref_in_prefixes(const char *namespace, |
| 1733 | const char **patterns, |
Jeff King | 67985e4 | 2021-09-24 14:48:48 -0400 | [diff] [blame] | 1734 | each_ref_fn fn, void *cb_data) |
Taylor Blau | 16b1985 | 2021-01-20 11:04:21 -0500 | [diff] [blame] | 1735 | { |
| 1736 | struct string_list prefixes = STRING_LIST_INIT_DUP; |
| 1737 | struct string_list_item *prefix; |
| 1738 | struct strbuf buf = STRBUF_INIT; |
| 1739 | int ret = 0, namespace_len; |
| 1740 | |
| 1741 | find_longest_prefixes(&prefixes, patterns); |
| 1742 | |
| 1743 | if (namespace) |
| 1744 | strbuf_addstr(&buf, namespace); |
| 1745 | namespace_len = buf.len; |
| 1746 | |
| 1747 | for_each_string_list_item(prefix, &prefixes) { |
| 1748 | strbuf_addstr(&buf, prefix->string); |
Jeff King | 67985e4 | 2021-09-24 14:48:48 -0400 | [diff] [blame] | 1749 | ret = for_each_fullref_in(buf.buf, fn, cb_data); |
Taylor Blau | 16b1985 | 2021-01-20 11:04:21 -0500 | [diff] [blame] | 1750 | if (ret) |
| 1751 | break; |
| 1752 | strbuf_setlen(&buf, namespace_len); |
| 1753 | } |
| 1754 | |
| 1755 | string_list_clear(&prefixes, 0); |
| 1756 | strbuf_release(&buf); |
| 1757 | return ret; |
| 1758 | } |
| 1759 | |
Han-Wen Nienhuys | e811530 | 2020-08-19 14:27:58 +0000 | [diff] [blame] | 1760 | static int refs_read_special_head(struct ref_store *ref_store, |
| 1761 | const char *refname, struct object_id *oid, |
Han-Wen Nienhuys | df3458e | 2021-10-16 11:39:10 +0200 | [diff] [blame] | 1762 | struct strbuf *referent, unsigned int *type, |
| 1763 | int *failure_errno) |
Han-Wen Nienhuys | e811530 | 2020-08-19 14:27:58 +0000 | [diff] [blame] | 1764 | { |
| 1765 | struct strbuf full_path = STRBUF_INIT; |
| 1766 | struct strbuf content = STRBUF_INIT; |
| 1767 | int result = -1; |
| 1768 | strbuf_addf(&full_path, "%s/%s", ref_store->gitdir, refname); |
| 1769 | |
| 1770 | if (strbuf_read_file(&content, full_path.buf, 0) < 0) |
| 1771 | goto done; |
| 1772 | |
Han-Wen Nienhuys | df3458e | 2021-10-16 11:39:10 +0200 | [diff] [blame] | 1773 | result = parse_loose_ref_contents(content.buf, oid, referent, type, |
| 1774 | failure_errno); |
Han-Wen Nienhuys | e811530 | 2020-08-19 14:27:58 +0000 | [diff] [blame] | 1775 | |
| 1776 | done: |
| 1777 | strbuf_release(&full_path); |
| 1778 | strbuf_release(&content); |
| 1779 | return result; |
| 1780 | } |
| 1781 | |
Han-Wen Nienhuys | 8b72fea | 2021-10-16 11:39:09 +0200 | [diff] [blame] | 1782 | int refs_read_raw_ref(struct ref_store *ref_store, const char *refname, |
| 1783 | struct object_id *oid, struct strbuf *referent, |
| 1784 | unsigned int *type, int *failure_errno) |
Michael Haggerty | 470be51 | 2017-03-20 17:33:07 +0100 | [diff] [blame] | 1785 | { |
Han-Wen Nienhuys | 8b72fea | 2021-10-16 11:39:09 +0200 | [diff] [blame] | 1786 | assert(failure_errno); |
Han-Wen Nienhuys | e811530 | 2020-08-19 14:27:58 +0000 | [diff] [blame] | 1787 | if (!strcmp(refname, "FETCH_HEAD") || !strcmp(refname, "MERGE_HEAD")) { |
| 1788 | return refs_read_special_head(ref_store, refname, oid, referent, |
Han-Wen Nienhuys | df3458e | 2021-10-16 11:39:10 +0200 | [diff] [blame] | 1789 | type, failure_errno); |
Han-Wen Nienhuys | e811530 | 2020-08-19 14:27:58 +0000 | [diff] [blame] | 1790 | } |
| 1791 | |
| 1792 | return ref_store->be->read_raw_ref(ref_store, refname, oid, referent, |
Han-Wen Nienhuys | 8b72fea | 2021-10-16 11:39:09 +0200 | [diff] [blame] | 1793 | type, failure_errno); |
Michael Haggerty | 470be51 | 2017-03-20 17:33:07 +0100 | [diff] [blame] | 1794 | } |
| 1795 | |
Patrick Steinhardt | cd475b3 | 2022-03-01 10:33:46 +0100 | [diff] [blame] | 1796 | int refs_read_symbolic_ref(struct ref_store *ref_store, const char *refname, |
| 1797 | struct strbuf *referent) |
| 1798 | { |
Ævar Arnfjörð Bjarmason | 5b87540 | 2022-03-17 18:27:19 +0100 | [diff] [blame] | 1799 | return ref_store->be->read_symbolic_ref(ref_store, refname, referent); |
Patrick Steinhardt | cd475b3 | 2022-03-01 10:33:46 +0100 | [diff] [blame] | 1800 | } |
| 1801 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 1802 | const char *refs_resolve_ref_unsafe(struct ref_store *refs, |
Michael Haggerty | 3c0cb0c | 2017-02-09 21:53:52 +0100 | [diff] [blame] | 1803 | const char *refname, |
| 1804 | int resolve_flags, |
Ævar Arnfjörð Bjarmason | ef18119 | 2021-10-16 11:39:08 +0200 | [diff] [blame] | 1805 | struct object_id *oid, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1806 | int *flags) |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1807 | { |
| 1808 | static struct strbuf sb_refname = STRBUF_INIT; |
René Scharfe | 54fad66 | 2017-09-23 11:41:45 +0200 | [diff] [blame] | 1809 | struct object_id unused_oid; |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1810 | int unused_flags; |
| 1811 | int symref_count; |
| 1812 | |
brian m. carlson | 49e6147 | 2017-10-15 22:07:09 +0000 | [diff] [blame] | 1813 | if (!oid) |
| 1814 | oid = &unused_oid; |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1815 | if (!flags) |
| 1816 | flags = &unused_flags; |
| 1817 | |
| 1818 | *flags = 0; |
| 1819 | |
| 1820 | if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { |
| 1821 | if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) || |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1822 | !refname_is_safe(refname)) |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1823 | return NULL; |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1824 | |
| 1825 | /* |
| 1826 | * dwim_ref() uses REF_ISBROKEN to distinguish between |
| 1827 | * missing refs and refs that were present but invalid, |
| 1828 | * to complain about the latter to stderr. |
| 1829 | * |
| 1830 | * We don't know whether the ref exists, so don't set |
| 1831 | * REF_ISBROKEN yet. |
| 1832 | */ |
| 1833 | *flags |= REF_BAD_NAME; |
| 1834 | } |
| 1835 | |
| 1836 | for (symref_count = 0; symref_count < SYMREF_MAXDEPTH; symref_count++) { |
| 1837 | unsigned int read_flags = 0; |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1838 | int failure_errno; |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1839 | |
Han-Wen Nienhuys | 8b72fea | 2021-10-16 11:39:09 +0200 | [diff] [blame] | 1840 | if (refs_read_raw_ref(refs, refname, oid, &sb_refname, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1841 | &read_flags, &failure_errno)) { |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1842 | *flags |= read_flags; |
Jeff King | a1c1d81 | 2017-10-06 10:42:17 -0400 | [diff] [blame] | 1843 | |
| 1844 | /* In reading mode, refs must eventually resolve */ |
| 1845 | if (resolve_flags & RESOLVE_REF_READING) |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1846 | return NULL; |
Jeff King | a1c1d81 | 2017-10-06 10:42:17 -0400 | [diff] [blame] | 1847 | |
| 1848 | /* |
| 1849 | * Otherwise a missing ref is OK. But the files backend |
| 1850 | * may show errors besides ENOENT if there are |
| 1851 | * similarly-named refs. |
| 1852 | */ |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1853 | if (failure_errno != ENOENT && |
| 1854 | failure_errno != EISDIR && |
| 1855 | failure_errno != ENOTDIR) |
Jeff King | a1c1d81 | 2017-10-06 10:42:17 -0400 | [diff] [blame] | 1856 | return NULL; |
| 1857 | |
brian m. carlson | 49e6147 | 2017-10-15 22:07:09 +0000 | [diff] [blame] | 1858 | oidclr(oid); |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1859 | if (*flags & REF_BAD_NAME) |
| 1860 | *flags |= REF_ISBROKEN; |
| 1861 | return refname; |
| 1862 | } |
| 1863 | |
| 1864 | *flags |= read_flags; |
| 1865 | |
| 1866 | if (!(read_flags & REF_ISSYMREF)) { |
| 1867 | if (*flags & REF_BAD_NAME) { |
brian m. carlson | 49e6147 | 2017-10-15 22:07:09 +0000 | [diff] [blame] | 1868 | oidclr(oid); |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1869 | *flags |= REF_ISBROKEN; |
| 1870 | } |
| 1871 | return refname; |
| 1872 | } |
| 1873 | |
| 1874 | refname = sb_refname.buf; |
| 1875 | if (resolve_flags & RESOLVE_REF_NO_RECURSE) { |
brian m. carlson | 49e6147 | 2017-10-15 22:07:09 +0000 | [diff] [blame] | 1876 | oidclr(oid); |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1877 | return refname; |
| 1878 | } |
| 1879 | if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { |
| 1880 | if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) || |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1881 | !refname_is_safe(refname)) |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1882 | return NULL; |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1883 | |
| 1884 | *flags |= REF_ISBROKEN | REF_BAD_NAME; |
| 1885 | } |
| 1886 | } |
| 1887 | |
David Turner | 2d0663b | 2016-04-07 15:03:10 -0400 | [diff] [blame] | 1888 | return NULL; |
| 1889 | } |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1890 | |
David Turner | 6fb5acf | 2016-09-04 18:08:41 +0200 | [diff] [blame] | 1891 | /* backend functions */ |
| 1892 | int refs_init_db(struct strbuf *err) |
| 1893 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1894 | struct ref_store *refs = get_main_ref_store(the_repository); |
David Turner | 6fb5acf | 2016-09-04 18:08:41 +0200 | [diff] [blame] | 1895 | |
| 1896 | return refs->be->init_db(refs, err); |
| 1897 | } |
| 1898 | |
Michael Haggerty | bd40dcd | 2016-09-04 18:08:21 +0200 | [diff] [blame] | 1899 | const char *resolve_ref_unsafe(const char *refname, int resolve_flags, |
brian m. carlson | 49e6147 | 2017-10-15 22:07:09 +0000 | [diff] [blame] | 1900 | struct object_id *oid, int *flags) |
Michael Haggerty | bd40dcd | 2016-09-04 18:08:21 +0200 | [diff] [blame] | 1901 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 1902 | return refs_resolve_ref_unsafe(get_main_ref_store(the_repository), refname, |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1903 | resolve_flags, oid, flags); |
Michael Haggerty | bd40dcd | 2016-09-04 18:08:21 +0200 | [diff] [blame] | 1904 | } |
| 1905 | |
Michael Haggerty | a8355bb | 2016-09-04 18:08:24 +0200 | [diff] [blame] | 1906 | int resolve_gitlink_ref(const char *submodule, const char *refname, |
brian m. carlson | a98e610 | 2017-10-15 22:07:07 +0000 | [diff] [blame] | 1907 | struct object_id *oid) |
Michael Haggerty | 424dcc7 | 2016-09-04 18:08:22 +0200 | [diff] [blame] | 1908 | { |
Michael Haggerty | 424dcc7 | 2016-09-04 18:08:22 +0200 | [diff] [blame] | 1909 | struct ref_store *refs; |
| 1910 | int flags; |
| 1911 | |
Nguyễn Thái Ngọc Duy | 29babbe | 2017-08-23 19:36:54 +0700 | [diff] [blame] | 1912 | refs = get_submodule_ref_store(submodule); |
Michael Haggerty | 48a8475 | 2016-09-04 18:08:23 +0200 | [diff] [blame] | 1913 | |
Michael Haggerty | 424dcc7 | 2016-09-04 18:08:22 +0200 | [diff] [blame] | 1914 | if (!refs) |
| 1915 | return -1; |
| 1916 | |
Ævar Arnfjörð Bjarmason | ce14de0 | 2022-01-26 15:37:01 +0100 | [diff] [blame] | 1917 | if (!refs_resolve_ref_unsafe(refs, refname, 0, oid, &flags) || |
| 1918 | is_null_oid(oid)) |
Michael Haggerty | 424dcc7 | 2016-09-04 18:08:22 +0200 | [diff] [blame] | 1919 | return -1; |
| 1920 | return 0; |
| 1921 | } |
| 1922 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1923 | struct ref_store_hash_entry |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1924 | { |
Eric Wong | e2b5038 | 2019-10-06 23:30:43 +0000 | [diff] [blame] | 1925 | struct hashmap_entry ent; |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1926 | |
| 1927 | struct ref_store *refs; |
| 1928 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1929 | /* NUL-terminated identifier of the ref store: */ |
| 1930 | char name[FLEX_ARRAY]; |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1931 | }; |
| 1932 | |
Ævar Arnfjörð Bjarmason | 5cf88fd | 2022-08-25 19:09:48 +0200 | [diff] [blame] | 1933 | static int ref_store_hash_cmp(const void *cmp_data UNUSED, |
Eric Wong | 939af16 | 2019-10-06 23:30:37 +0000 | [diff] [blame] | 1934 | const struct hashmap_entry *eptr, |
| 1935 | const struct hashmap_entry *entry_or_key, |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1936 | const void *keydata) |
| 1937 | { |
Eric Wong | 939af16 | 2019-10-06 23:30:37 +0000 | [diff] [blame] | 1938 | const struct ref_store_hash_entry *e1, *e2; |
| 1939 | const char *name; |
| 1940 | |
| 1941 | e1 = container_of(eptr, const struct ref_store_hash_entry, ent); |
| 1942 | e2 = container_of(entry_or_key, const struct ref_store_hash_entry, ent); |
| 1943 | name = keydata ? keydata : e2->name; |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1944 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1945 | return strcmp(e1->name, name); |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1946 | } |
| 1947 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1948 | static struct ref_store_hash_entry *alloc_ref_store_hash_entry( |
| 1949 | const char *name, struct ref_store *refs) |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1950 | { |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1951 | struct ref_store_hash_entry *entry; |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1952 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1953 | FLEX_ALLOC_STR(entry, name, name); |
Eric Wong | d22245a | 2019-10-06 23:30:27 +0000 | [diff] [blame] | 1954 | hashmap_entry_init(&entry->ent, strhash(name)); |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1955 | entry->refs = refs; |
| 1956 | return entry; |
| 1957 | } |
| 1958 | |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1959 | /* A hashmap of ref_stores, stored by submodule name: */ |
| 1960 | static struct hashmap submodule_ref_stores; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1961 | |
Nguyễn Thái Ngọc Duy | 17eff96 | 2017-04-24 17:01:22 +0700 | [diff] [blame] | 1962 | /* A hashmap of ref_stores, stored by worktree id: */ |
| 1963 | static struct hashmap worktree_ref_stores; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1964 | |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1965 | /* |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1966 | * Look up a ref store by name. If that ref_store hasn't been |
| 1967 | * registered yet, return NULL. |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1968 | */ |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1969 | static struct ref_store *lookup_ref_store_map(struct hashmap *map, |
| 1970 | const char *name) |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1971 | { |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1972 | struct ref_store_hash_entry *entry; |
Eric Wong | f23a465 | 2019-10-06 23:30:36 +0000 | [diff] [blame] | 1973 | unsigned int hash; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1974 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 1975 | if (!map->tablesize) |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1976 | /* It's initialized on demand in register_ref_store(). */ |
| 1977 | return NULL; |
Michael Haggerty | 620a66b | 2017-02-10 12:16:11 +0100 | [diff] [blame] | 1978 | |
Eric Wong | f23a465 | 2019-10-06 23:30:36 +0000 | [diff] [blame] | 1979 | hash = strhash(name); |
| 1980 | entry = hashmap_get_entry_from_hash(map, hash, name, |
| 1981 | struct ref_store_hash_entry, ent); |
Michael Haggerty | 7d4558c | 2017-02-10 12:16:15 +0100 | [diff] [blame] | 1982 | return entry ? entry->refs : NULL; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1983 | } |
| 1984 | |
Michael Haggerty | c468da4 | 2017-02-10 12:16:12 +0100 | [diff] [blame] | 1985 | /* |
| 1986 | * Create, record, and return a ref_store instance for the specified |
Nguyễn Thái Ngọc Duy | 5d0bc90 | 2017-03-26 09:42:31 +0700 | [diff] [blame] | 1987 | * gitdir. |
Michael Haggerty | c468da4 | 2017-02-10 12:16:12 +0100 | [diff] [blame] | 1988 | */ |
Jonathan Tan | 34224e1 | 2021-10-08 14:08:14 -0700 | [diff] [blame] | 1989 | static struct ref_store *ref_store_init(struct repository *repo, |
| 1990 | const char *gitdir, |
Nguyễn Thái Ngọc Duy | 9e7ec63 | 2017-03-26 09:42:32 +0700 | [diff] [blame] | 1991 | unsigned int flags) |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1992 | { |
| 1993 | const char *be_name = "files"; |
| 1994 | struct ref_storage_be *be = find_ref_storage_backend(be_name); |
Michael Haggerty | ba88add | 2017-02-10 12:16:14 +0100 | [diff] [blame] | 1995 | struct ref_store *refs; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1996 | |
| 1997 | if (!be) |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 1998 | BUG("reference backend %s is unknown", be_name); |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 1999 | |
Jonathan Tan | 34224e1 | 2021-10-08 14:08:14 -0700 | [diff] [blame] | 2000 | refs = be->init(repo, gitdir, flags); |
Michael Haggerty | ba88add | 2017-02-10 12:16:14 +0100 | [diff] [blame] | 2001 | return refs; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2002 | } |
| 2003 | |
Stefan Beller | 64a7416 | 2018-04-11 17:21:14 -0700 | [diff] [blame] | 2004 | struct ref_store *get_main_ref_store(struct repository *r) |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2005 | { |
Jeff King | 0220461 | 2020-04-09 23:04:11 -0400 | [diff] [blame] | 2006 | if (r->refs_private) |
| 2007 | return r->refs_private; |
Nguyễn Thái Ngọc Duy | 24c8407 | 2017-03-26 09:42:25 +0700 | [diff] [blame] | 2008 | |
Jeff King | 2dc417a | 2018-05-18 15:25:53 -0700 | [diff] [blame] | 2009 | if (!r->gitdir) |
| 2010 | BUG("attempting to get main_ref_store outside of repository"); |
| 2011 | |
Jonathan Tan | 34224e1 | 2021-10-08 14:08:14 -0700 | [diff] [blame] | 2012 | r->refs_private = ref_store_init(r, r->gitdir, REF_STORE_ALL_CAPS); |
Han-Wen Nienhuys | 4441f42 | 2020-09-09 10:15:08 +0000 | [diff] [blame] | 2013 | r->refs_private = maybe_debug_wrap_ref_store(r->gitdir, r->refs_private); |
Jeff King | 0220461 | 2020-04-09 23:04:11 -0400 | [diff] [blame] | 2014 | return r->refs_private; |
Nguyễn Thái Ngọc Duy | 378dc91 | 2017-03-26 09:42:28 +0700 | [diff] [blame] | 2015 | } |
| 2016 | |
| 2017 | /* |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 2018 | * Associate a ref store with a name. It is a fatal error to call this |
| 2019 | * function twice for the same name. |
Nguyễn Thái Ngọc Duy | 378dc91 | 2017-03-26 09:42:28 +0700 | [diff] [blame] | 2020 | */ |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 2021 | static void register_ref_store_map(struct hashmap *map, |
| 2022 | const char *type, |
| 2023 | struct ref_store *refs, |
| 2024 | const char *name) |
Nguyễn Thái Ngọc Duy | 378dc91 | 2017-03-26 09:42:28 +0700 | [diff] [blame] | 2025 | { |
Eric Wong | 26b455f | 2019-10-06 23:30:32 +0000 | [diff] [blame] | 2026 | struct ref_store_hash_entry *entry; |
| 2027 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 2028 | if (!map->tablesize) |
Stefan Beller | 7663cdc | 2017-06-30 12:14:05 -0700 | [diff] [blame] | 2029 | hashmap_init(map, ref_store_hash_cmp, NULL, 0); |
Nguyễn Thái Ngọc Duy | 378dc91 | 2017-03-26 09:42:28 +0700 | [diff] [blame] | 2030 | |
Eric Wong | 26b455f | 2019-10-06 23:30:32 +0000 | [diff] [blame] | 2031 | entry = alloc_ref_store_hash_entry(name, refs); |
| 2032 | if (hashmap_put(map, &entry->ent)) |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2033 | BUG("%s ref_store '%s' initialized twice", type, name); |
Nguyễn Thái Ngọc Duy | 24c8407 | 2017-03-26 09:42:25 +0700 | [diff] [blame] | 2034 | } |
| 2035 | |
Nguyễn Thái Ngọc Duy | 18d0002 | 2017-03-26 09:42:33 +0700 | [diff] [blame] | 2036 | struct ref_store *get_submodule_ref_store(const char *submodule) |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2037 | { |
Nguyễn Thái Ngọc Duy | 126c9e0 | 2017-03-26 09:42:27 +0700 | [diff] [blame] | 2038 | struct strbuf submodule_sb = STRBUF_INIT; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2039 | struct ref_store *refs; |
Nguyễn Thái Ngọc Duy | 29babbe | 2017-08-23 19:36:54 +0700 | [diff] [blame] | 2040 | char *to_free = NULL; |
| 2041 | size_t len; |
Jonathan Tan | 34224e1 | 2021-10-08 14:08:14 -0700 | [diff] [blame] | 2042 | struct repository *subrepo; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2043 | |
Nguyễn Thái Ngọc Duy | 82a150f | 2017-08-23 19:37:03 +0700 | [diff] [blame] | 2044 | if (!submodule) |
| 2045 | return NULL; |
| 2046 | |
Nguyễn Thái Ngọc Duy | 873ea90 | 2017-08-23 19:37:04 +0700 | [diff] [blame] | 2047 | len = strlen(submodule); |
| 2048 | while (len && is_dir_sep(submodule[len - 1])) |
| 2049 | len--; |
| 2050 | if (!len) |
| 2051 | return NULL; |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2052 | |
Nguyễn Thái Ngọc Duy | 29babbe | 2017-08-23 19:36:54 +0700 | [diff] [blame] | 2053 | if (submodule[len]) |
| 2054 | /* We need to strip off one or more trailing slashes */ |
| 2055 | submodule = to_free = xmemdupz(submodule, len); |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2056 | |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 2057 | refs = lookup_ref_store_map(&submodule_ref_stores, submodule); |
Nguyễn Thái Ngọc Duy | 126c9e0 | 2017-03-26 09:42:27 +0700 | [diff] [blame] | 2058 | if (refs) |
Nguyễn Thái Ngọc Duy | 2c616c1 | 2017-08-23 19:36:53 +0700 | [diff] [blame] | 2059 | goto done; |
Nguyễn Thái Ngọc Duy | 126c9e0 | 2017-03-26 09:42:27 +0700 | [diff] [blame] | 2060 | |
| 2061 | strbuf_addstr(&submodule_sb, submodule); |
Nguyễn Thái Ngọc Duy | 2c616c1 | 2017-08-23 19:36:53 +0700 | [diff] [blame] | 2062 | if (!is_nonbare_repository_dir(&submodule_sb)) |
| 2063 | goto done; |
Nguyễn Thái Ngọc Duy | 126c9e0 | 2017-03-26 09:42:27 +0700 | [diff] [blame] | 2064 | |
Nguyễn Thái Ngọc Duy | 2c616c1 | 2017-08-23 19:36:53 +0700 | [diff] [blame] | 2065 | if (submodule_to_gitdir(&submodule_sb, submodule)) |
| 2066 | goto done; |
Nguyễn Thái Ngọc Duy | 5d0bc90 | 2017-03-26 09:42:31 +0700 | [diff] [blame] | 2067 | |
Jonathan Tan | 34224e1 | 2021-10-08 14:08:14 -0700 | [diff] [blame] | 2068 | subrepo = xmalloc(sizeof(*subrepo)); |
| 2069 | /* |
| 2070 | * NEEDSWORK: Make get_submodule_ref_store() work with arbitrary |
| 2071 | * superprojects other than the_repository. This probably should be |
| 2072 | * done by making it take a struct repository * parameter instead of a |
| 2073 | * submodule path. |
| 2074 | */ |
| 2075 | if (repo_submodule_init(subrepo, the_repository, submodule, |
| 2076 | null_oid())) { |
| 2077 | free(subrepo); |
| 2078 | goto done; |
| 2079 | } |
| 2080 | refs = ref_store_init(subrepo, submodule_sb.buf, |
Nguyễn Thái Ngọc Duy | 9e7ec63 | 2017-03-26 09:42:32 +0700 | [diff] [blame] | 2081 | REF_STORE_READ | REF_STORE_ODB); |
Nguyễn Thái Ngọc Duy | 0c064d9 | 2017-04-04 17:21:20 +0700 | [diff] [blame] | 2082 | register_ref_store_map(&submodule_ref_stores, "submodule", |
| 2083 | refs, submodule); |
Nguyễn Thái Ngọc Duy | 5d0bc90 | 2017-03-26 09:42:31 +0700 | [diff] [blame] | 2084 | |
Nguyễn Thái Ngọc Duy | 2c616c1 | 2017-08-23 19:36:53 +0700 | [diff] [blame] | 2085 | done: |
Nguyễn Thái Ngọc Duy | 5d0bc90 | 2017-03-26 09:42:31 +0700 | [diff] [blame] | 2086 | strbuf_release(&submodule_sb); |
Nguyễn Thái Ngọc Duy | 29babbe | 2017-08-23 19:36:54 +0700 | [diff] [blame] | 2087 | free(to_free); |
| 2088 | |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2089 | return refs; |
| 2090 | } |
| 2091 | |
Nguyễn Thái Ngọc Duy | 17eff96 | 2017-04-24 17:01:22 +0700 | [diff] [blame] | 2092 | struct ref_store *get_worktree_ref_store(const struct worktree *wt) |
| 2093 | { |
| 2094 | struct ref_store *refs; |
| 2095 | const char *id; |
| 2096 | |
| 2097 | if (wt->is_current) |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2098 | return get_main_ref_store(the_repository); |
Nguyễn Thái Ngọc Duy | 17eff96 | 2017-04-24 17:01:22 +0700 | [diff] [blame] | 2099 | |
| 2100 | id = wt->id ? wt->id : "/"; |
| 2101 | refs = lookup_ref_store_map(&worktree_ref_stores, id); |
| 2102 | if (refs) |
| 2103 | return refs; |
| 2104 | |
| 2105 | if (wt->id) |
Jonathan Tan | 34224e1 | 2021-10-08 14:08:14 -0700 | [diff] [blame] | 2106 | refs = ref_store_init(the_repository, |
| 2107 | git_common_path("worktrees/%s", wt->id), |
Nguyễn Thái Ngọc Duy | 17eff96 | 2017-04-24 17:01:22 +0700 | [diff] [blame] | 2108 | REF_STORE_ALL_CAPS); |
| 2109 | else |
Jonathan Tan | 34224e1 | 2021-10-08 14:08:14 -0700 | [diff] [blame] | 2110 | refs = ref_store_init(the_repository, |
| 2111 | get_git_common_dir(), |
Nguyễn Thái Ngọc Duy | 17eff96 | 2017-04-24 17:01:22 +0700 | [diff] [blame] | 2112 | REF_STORE_ALL_CAPS); |
| 2113 | |
| 2114 | if (refs) |
| 2115 | register_ref_store_map(&worktree_ref_stores, "worktree", |
| 2116 | refs, id); |
| 2117 | return refs; |
| 2118 | } |
| 2119 | |
Han-Wen Nienhuys | f9f7fd3 | 2021-12-22 18:11:54 +0000 | [diff] [blame] | 2120 | void base_ref_store_init(struct ref_store *refs, struct repository *repo, |
| 2121 | const char *path, const struct ref_storage_be *be) |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2122 | { |
Michael Haggerty | 620a66b | 2017-02-10 12:16:11 +0100 | [diff] [blame] | 2123 | refs->be = be; |
Han-Wen Nienhuys | f9f7fd3 | 2021-12-22 18:11:54 +0000 | [diff] [blame] | 2124 | refs->repo = repo; |
| 2125 | refs->gitdir = xstrdup(path); |
Michael Haggerty | 00eebe3 | 2016-09-04 18:08:11 +0200 | [diff] [blame] | 2126 | } |
Ronnie Sahlberg | 127b42a | 2016-09-04 18:08:16 +0200 | [diff] [blame] | 2127 | |
| 2128 | /* backend functions */ |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2129 | int refs_pack_refs(struct ref_store *refs, unsigned int flags) |
Michael Haggerty | 8231527 | 2016-09-04 18:08:27 +0200 | [diff] [blame] | 2130 | { |
Michael Haggerty | 8231527 | 2016-09-04 18:08:27 +0200 | [diff] [blame] | 2131 | return refs->be->pack_refs(refs, flags); |
| 2132 | } |
| 2133 | |
Jeff King | 36a3179 | 2021-01-20 14:44:43 -0500 | [diff] [blame] | 2134 | int peel_iterated_oid(const struct object_id *base, struct object_id *peeled) |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2135 | { |
Jeff King | 36a3179 | 2021-01-20 14:44:43 -0500 | [diff] [blame] | 2136 | if (current_ref_iter && |
| 2137 | (current_ref_iter->oid == base || |
| 2138 | oideq(current_ref_iter->oid, base))) |
| 2139 | return ref_iterator_peel(current_ref_iter, peeled); |
Michael Haggerty | ba1c052 | 2017-09-25 10:00:14 +0200 | [diff] [blame] | 2140 | |
Han-Wen Nienhuys | 617480d | 2021-05-19 15:31:28 +0000 | [diff] [blame] | 2141 | return peel_object(base, peeled) ? -1 : 0; |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2142 | } |
Michael Haggerty | bd427cf | 2016-09-04 18:08:29 +0200 | [diff] [blame] | 2143 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2144 | int refs_create_symref(struct ref_store *refs, |
| 2145 | const char *ref_target, |
| 2146 | const char *refs_heads_master, |
| 2147 | const char *logmsg) |
| 2148 | { |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 2149 | char *msg; |
| 2150 | int retval; |
| 2151 | |
| 2152 | msg = normalize_reflog_message(logmsg); |
| 2153 | retval = refs->be->create_symref(refs, ref_target, refs_heads_master, |
| 2154 | msg); |
| 2155 | free(msg); |
| 2156 | return retval; |
Michael Haggerty | bd427cf | 2016-09-04 18:08:29 +0200 | [diff] [blame] | 2157 | } |
| 2158 | |
Michael Haggerty | 284689b | 2016-09-04 18:08:28 +0200 | [diff] [blame] | 2159 | int create_symref(const char *ref_target, const char *refs_heads_master, |
| 2160 | const char *logmsg) |
| 2161 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2162 | return refs_create_symref(get_main_ref_store(the_repository), ref_target, |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2163 | refs_heads_master, logmsg); |
Michael Haggerty | 284689b | 2016-09-04 18:08:28 +0200 | [diff] [blame] | 2164 | } |
| 2165 | |
Michael Haggerty | 2ced105 | 2017-05-22 16:17:45 +0200 | [diff] [blame] | 2166 | int ref_update_reject_duplicates(struct string_list *refnames, |
| 2167 | struct strbuf *err) |
| 2168 | { |
Michael Haggerty | a552e50 | 2017-05-22 16:17:46 +0200 | [diff] [blame] | 2169 | size_t i, n = refnames->nr; |
Michael Haggerty | 2ced105 | 2017-05-22 16:17:45 +0200 | [diff] [blame] | 2170 | |
| 2171 | assert(err); |
| 2172 | |
Michael Haggerty | 8556f8d | 2017-05-22 16:17:47 +0200 | [diff] [blame] | 2173 | for (i = 1; i < n; i++) { |
| 2174 | int cmp = strcmp(refnames->items[i - 1].string, |
| 2175 | refnames->items[i].string); |
| 2176 | |
| 2177 | if (!cmp) { |
Michael Haggerty | 2ced105 | 2017-05-22 16:17:45 +0200 | [diff] [blame] | 2178 | strbuf_addf(err, |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 2179 | _("multiple updates for ref '%s' not allowed"), |
Michael Haggerty | 2ced105 | 2017-05-22 16:17:45 +0200 | [diff] [blame] | 2180 | refnames->items[i].string); |
| 2181 | return 1; |
Michael Haggerty | 8556f8d | 2017-05-22 16:17:47 +0200 | [diff] [blame] | 2182 | } else if (cmp > 0) { |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2183 | BUG("ref_update_reject_duplicates() received unsorted list"); |
Michael Haggerty | 2ced105 | 2017-05-22 16:17:45 +0200 | [diff] [blame] | 2184 | } |
Michael Haggerty | 8556f8d | 2017-05-22 16:17:47 +0200 | [diff] [blame] | 2185 | } |
Michael Haggerty | 2ced105 | 2017-05-22 16:17:45 +0200 | [diff] [blame] | 2186 | return 0; |
| 2187 | } |
| 2188 | |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2189 | static int run_transaction_hook(struct ref_transaction *transaction, |
| 2190 | const char *state) |
| 2191 | { |
| 2192 | struct child_process proc = CHILD_PROCESS_INIT; |
| 2193 | struct strbuf buf = STRBUF_INIT; |
Patrick Steinhardt | 0a0fbbe | 2020-08-25 12:35:24 +0200 | [diff] [blame] | 2194 | const char *hook; |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2195 | int ret = 0, i; |
| 2196 | |
Patrick Steinhardt | 0a0fbbe | 2020-08-25 12:35:24 +0200 | [diff] [blame] | 2197 | hook = find_hook("reference-transaction"); |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2198 | if (!hook) |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2199 | return ret; |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2200 | |
Jeff King | c972bf4 | 2020-07-28 16:25:12 -0400 | [diff] [blame] | 2201 | strvec_pushl(&proc.args, hook, state, NULL); |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2202 | proc.in = -1; |
| 2203 | proc.stdout_to_stderr = 1; |
| 2204 | proc.trace2_hook_name = "reference-transaction"; |
| 2205 | |
| 2206 | ret = start_command(&proc); |
| 2207 | if (ret) |
| 2208 | return ret; |
| 2209 | |
| 2210 | sigchain_push(SIGPIPE, SIG_IGN); |
| 2211 | |
| 2212 | for (i = 0; i < transaction->nr; i++) { |
| 2213 | struct ref_update *update = transaction->updates[i]; |
| 2214 | |
| 2215 | strbuf_reset(&buf); |
| 2216 | strbuf_addf(&buf, "%s %s %s\n", |
| 2217 | oid_to_hex(&update->old_oid), |
| 2218 | oid_to_hex(&update->new_oid), |
| 2219 | update->refname); |
| 2220 | |
| 2221 | if (write_in_full(proc.in, buf.buf, buf.len) < 0) { |
Ævar Arnfjörð Bjarmason | 4755d7d | 2021-10-16 11:39:25 +0200 | [diff] [blame] | 2222 | if (errno != EPIPE) { |
| 2223 | /* Don't leak errno outside this API */ |
| 2224 | errno = 0; |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2225 | ret = -1; |
Ævar Arnfjörð Bjarmason | 4755d7d | 2021-10-16 11:39:25 +0200 | [diff] [blame] | 2226 | } |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2227 | break; |
| 2228 | } |
| 2229 | } |
| 2230 | |
| 2231 | close(proc.in); |
| 2232 | sigchain_pop(SIGPIPE); |
| 2233 | strbuf_release(&buf); |
| 2234 | |
| 2235 | ret |= finish_command(&proc); |
| 2236 | return ret; |
| 2237 | } |
| 2238 | |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2239 | int ref_transaction_prepare(struct ref_transaction *transaction, |
| 2240 | struct strbuf *err) |
Ronnie Sahlberg | 127b42a | 2016-09-04 18:08:16 +0200 | [diff] [blame] | 2241 | { |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 2242 | struct ref_store *refs = transaction->ref_store; |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2243 | int ret; |
Ronnie Sahlberg | 127b42a | 2016-09-04 18:08:16 +0200 | [diff] [blame] | 2244 | |
Michael Haggerty | 8d4240d | 2017-05-22 16:17:43 +0200 | [diff] [blame] | 2245 | switch (transaction->state) { |
| 2246 | case REF_TRANSACTION_OPEN: |
| 2247 | /* Good. */ |
| 2248 | break; |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2249 | case REF_TRANSACTION_PREPARED: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2250 | BUG("prepare called twice on reference transaction"); |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2251 | break; |
Michael Haggerty | 8d4240d | 2017-05-22 16:17:43 +0200 | [diff] [blame] | 2252 | case REF_TRANSACTION_CLOSED: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2253 | BUG("prepare called on a closed reference transaction"); |
Michael Haggerty | 8d4240d | 2017-05-22 16:17:43 +0200 | [diff] [blame] | 2254 | break; |
| 2255 | default: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2256 | BUG("unexpected reference transaction state"); |
Michael Haggerty | 8d4240d | 2017-05-22 16:17:43 +0200 | [diff] [blame] | 2257 | break; |
| 2258 | } |
| 2259 | |
Neeraj Singh | ecd81df | 2021-12-06 22:05:05 +0000 | [diff] [blame] | 2260 | if (refs->repo->objects->odb->disable_ref_updates) { |
Jeff King | d8f4481 | 2017-04-10 18:14:12 -0400 | [diff] [blame] | 2261 | strbuf_addstr(err, |
| 2262 | _("ref updates forbidden inside quarantine environment")); |
| 2263 | return -1; |
| 2264 | } |
| 2265 | |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2266 | ret = refs->be->transaction_prepare(refs, transaction, err); |
| 2267 | if (ret) |
| 2268 | return ret; |
| 2269 | |
| 2270 | ret = run_transaction_hook(transaction, "prepared"); |
| 2271 | if (ret) { |
| 2272 | ref_transaction_abort(transaction, err); |
| 2273 | die(_("ref updates aborted by hook")); |
| 2274 | } |
| 2275 | |
| 2276 | return 0; |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2277 | } |
| 2278 | |
| 2279 | int ref_transaction_abort(struct ref_transaction *transaction, |
| 2280 | struct strbuf *err) |
| 2281 | { |
| 2282 | struct ref_store *refs = transaction->ref_store; |
| 2283 | int ret = 0; |
| 2284 | |
| 2285 | switch (transaction->state) { |
| 2286 | case REF_TRANSACTION_OPEN: |
| 2287 | /* No need to abort explicitly. */ |
| 2288 | break; |
| 2289 | case REF_TRANSACTION_PREPARED: |
| 2290 | ret = refs->be->transaction_abort(refs, transaction, err); |
| 2291 | break; |
| 2292 | case REF_TRANSACTION_CLOSED: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2293 | BUG("abort called on a closed reference transaction"); |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2294 | break; |
| 2295 | default: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2296 | BUG("unexpected reference transaction state"); |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2297 | break; |
| 2298 | } |
| 2299 | |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2300 | run_transaction_hook(transaction, "aborted"); |
| 2301 | |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2302 | ref_transaction_free(transaction); |
| 2303 | return ret; |
| 2304 | } |
| 2305 | |
| 2306 | int ref_transaction_commit(struct ref_transaction *transaction, |
| 2307 | struct strbuf *err) |
| 2308 | { |
| 2309 | struct ref_store *refs = transaction->ref_store; |
| 2310 | int ret; |
| 2311 | |
| 2312 | switch (transaction->state) { |
| 2313 | case REF_TRANSACTION_OPEN: |
| 2314 | /* Need to prepare first. */ |
| 2315 | ret = ref_transaction_prepare(transaction, err); |
| 2316 | if (ret) |
| 2317 | return ret; |
| 2318 | break; |
| 2319 | case REF_TRANSACTION_PREPARED: |
| 2320 | /* Fall through to finish. */ |
| 2321 | break; |
| 2322 | case REF_TRANSACTION_CLOSED: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2323 | BUG("commit called on a closed reference transaction"); |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2324 | break; |
| 2325 | default: |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2326 | BUG("unexpected reference transaction state"); |
Michael Haggerty | 30173b8 | 2017-05-22 16:17:44 +0200 | [diff] [blame] | 2327 | break; |
| 2328 | } |
| 2329 | |
Patrick Steinhardt | 6754159 | 2020-06-19 08:56:14 +0200 | [diff] [blame] | 2330 | ret = refs->be->transaction_finish(refs, transaction, err); |
| 2331 | if (!ret) |
| 2332 | run_transaction_hook(transaction, "committed"); |
| 2333 | return ret; |
Ronnie Sahlberg | 127b42a | 2016-09-04 18:08:16 +0200 | [diff] [blame] | 2334 | } |
Michael Haggerty | 6266582 | 2016-09-04 18:08:26 +0200 | [diff] [blame] | 2335 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2336 | int refs_verify_refname_available(struct ref_store *refs, |
| 2337 | const char *refname, |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2338 | const struct string_list *extras, |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2339 | const struct string_list *skip, |
| 2340 | struct strbuf *err) |
Michael Haggerty | 6266582 | 2016-09-04 18:08:26 +0200 | [diff] [blame] | 2341 | { |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2342 | const char *slash; |
| 2343 | const char *extra_refname; |
| 2344 | struct strbuf dirname = STRBUF_INIT; |
| 2345 | struct strbuf referent = STRBUF_INIT; |
| 2346 | struct object_id oid; |
| 2347 | unsigned int type; |
| 2348 | struct ref_iterator *iter; |
| 2349 | int ok; |
| 2350 | int ret = -1; |
| 2351 | |
| 2352 | /* |
| 2353 | * For the sake of comments in this function, suppose that |
| 2354 | * refname is "refs/foo/bar". |
| 2355 | */ |
| 2356 | |
| 2357 | assert(err); |
| 2358 | |
| 2359 | strbuf_grow(&dirname, strlen(refname) + 1); |
| 2360 | for (slash = strchr(refname, '/'); slash; slash = strchr(slash + 1, '/')) { |
Han-Wen Nienhuys | 8b72fea | 2021-10-16 11:39:09 +0200 | [diff] [blame] | 2361 | /* |
| 2362 | * Just saying "Is a directory" when we e.g. can't |
| 2363 | * lock some multi-level ref isn't very informative, |
| 2364 | * the user won't be told *what* is a directory, so |
| 2365 | * let's not use strerror() below. |
| 2366 | */ |
| 2367 | int ignore_errno; |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2368 | /* Expand dirname to the new prefix, not including the trailing slash: */ |
| 2369 | strbuf_add(&dirname, refname + dirname.len, slash - refname - dirname.len); |
| 2370 | |
| 2371 | /* |
| 2372 | * We are still at a leading dir of the refname (e.g., |
| 2373 | * "refs/foo"; if there is a reference with that name, |
| 2374 | * it is a conflict, *unless* it is in skip. |
| 2375 | */ |
| 2376 | if (skip && string_list_has_string(skip, dirname.buf)) |
| 2377 | continue; |
| 2378 | |
Han-Wen Nienhuys | 8b72fea | 2021-10-16 11:39:09 +0200 | [diff] [blame] | 2379 | if (!refs_read_raw_ref(refs, dirname.buf, &oid, &referent, |
| 2380 | &type, &ignore_errno)) { |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 2381 | strbuf_addf(err, _("'%s' exists; cannot create '%s'"), |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2382 | dirname.buf, refname); |
| 2383 | goto cleanup; |
| 2384 | } |
| 2385 | |
| 2386 | if (extras && string_list_has_string(extras, dirname.buf)) { |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 2387 | strbuf_addf(err, _("cannot process '%s' and '%s' at the same time"), |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2388 | refname, dirname.buf); |
| 2389 | goto cleanup; |
| 2390 | } |
| 2391 | } |
| 2392 | |
| 2393 | /* |
| 2394 | * We are at the leaf of our refname (e.g., "refs/foo/bar"). |
| 2395 | * There is no point in searching for a reference with that |
| 2396 | * name, because a refname isn't considered to conflict with |
| 2397 | * itself. But we still need to check for references whose |
| 2398 | * names are in the "refs/foo/bar/" namespace, because they |
| 2399 | * *do* conflict. |
| 2400 | */ |
| 2401 | strbuf_addstr(&dirname, refname + dirname.len); |
| 2402 | strbuf_addch(&dirname, '/'); |
| 2403 | |
| 2404 | iter = refs_ref_iterator_begin(refs, dirname.buf, 0, |
| 2405 | DO_FOR_EACH_INCLUDE_BROKEN); |
| 2406 | while ((ok = ref_iterator_advance(iter)) == ITER_OK) { |
| 2407 | if (skip && |
| 2408 | string_list_has_string(skip, iter->refname)) |
| 2409 | continue; |
| 2410 | |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 2411 | strbuf_addf(err, _("'%s' exists; cannot create '%s'"), |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2412 | iter->refname, refname); |
| 2413 | ref_iterator_abort(iter); |
| 2414 | goto cleanup; |
| 2415 | } |
| 2416 | |
| 2417 | if (ok != ITER_DONE) |
Johannes Schindelin | 033abf9 | 2018-05-02 11:38:39 +0200 | [diff] [blame] | 2418 | BUG("error while iterating over references"); |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2419 | |
| 2420 | extra_refname = find_descendant_ref(dirname.buf, extras, skip); |
| 2421 | if (extra_refname) |
Nguyễn Thái Ngọc Duy | 661558f | 2018-07-21 09:49:35 +0200 | [diff] [blame] | 2422 | strbuf_addf(err, _("cannot process '%s' and '%s' at the same time"), |
Michael Haggerty | b05855b | 2017-04-16 08:41:26 +0200 | [diff] [blame] | 2423 | refname, extra_refname); |
| 2424 | else |
| 2425 | ret = 0; |
| 2426 | |
| 2427 | cleanup: |
| 2428 | strbuf_release(&referent); |
| 2429 | strbuf_release(&dirname); |
| 2430 | return ret; |
Michael Haggerty | 6266582 | 2016-09-04 18:08:26 +0200 | [diff] [blame] | 2431 | } |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2432 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2433 | int refs_for_each_reflog(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2434 | { |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2435 | struct ref_iterator *iter; |
Stefan Beller | 4a6067c | 2018-08-20 18:24:16 +0000 | [diff] [blame] | 2436 | struct do_for_each_ref_help hp = { fn, cb_data }; |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2437 | |
| 2438 | iter = refs->be->reflog_iterator_begin(refs); |
| 2439 | |
Stefan Beller | 4a6067c | 2018-08-20 18:24:16 +0000 | [diff] [blame] | 2440 | return do_for_each_repo_ref_iterator(the_repository, iter, |
| 2441 | do_for_each_ref_helper, &hp); |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2442 | } |
| 2443 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2444 | int for_each_reflog(each_ref_fn fn, void *cb_data) |
| 2445 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2446 | return refs_for_each_reflog(get_main_ref_store(the_repository), fn, cb_data); |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2447 | } |
| 2448 | |
| 2449 | int refs_for_each_reflog_ent_reverse(struct ref_store *refs, |
| 2450 | const char *refname, |
| 2451 | each_reflog_ent_fn fn, |
| 2452 | void *cb_data) |
| 2453 | { |
| 2454 | return refs->be->for_each_reflog_ent_reverse(refs, refname, |
| 2455 | fn, cb_data); |
| 2456 | } |
| 2457 | |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2458 | int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, |
| 2459 | void *cb_data) |
| 2460 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2461 | return refs_for_each_reflog_ent_reverse(get_main_ref_store(the_repository), |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2462 | refname, fn, cb_data); |
| 2463 | } |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2464 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2465 | int refs_for_each_reflog_ent(struct ref_store *refs, const char *refname, |
| 2466 | each_reflog_ent_fn fn, void *cb_data) |
| 2467 | { |
| 2468 | return refs->be->for_each_reflog_ent(refs, refname, fn, cb_data); |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2469 | } |
| 2470 | |
| 2471 | int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, |
| 2472 | void *cb_data) |
| 2473 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2474 | return refs_for_each_reflog_ent(get_main_ref_store(the_repository), refname, |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2475 | fn, cb_data); |
| 2476 | } |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2477 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2478 | int refs_reflog_exists(struct ref_store *refs, const char *refname) |
| 2479 | { |
| 2480 | return refs->be->reflog_exists(refs, refname); |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2481 | } |
| 2482 | |
| 2483 | int reflog_exists(const char *refname) |
| 2484 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2485 | return refs_reflog_exists(get_main_ref_store(the_repository), refname); |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2486 | } |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2487 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2488 | int refs_create_reflog(struct ref_store *refs, const char *refname, |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2489 | struct strbuf *err) |
| 2490 | { |
Han-Wen Nienhuys | 7b08912 | 2021-11-22 14:19:08 +0000 | [diff] [blame] | 2491 | return refs->be->create_reflog(refs, refname, err); |
| 2492 | } |
| 2493 | |
| 2494 | int safe_create_reflog(const char *refname, struct strbuf *err) |
| 2495 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2496 | return refs_create_reflog(get_main_ref_store(the_repository), refname, |
Han-Wen Nienhuys | 7b08912 | 2021-11-22 14:19:08 +0000 | [diff] [blame] | 2497 | err); |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2498 | } |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2499 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2500 | int refs_delete_reflog(struct ref_store *refs, const char *refname) |
| 2501 | { |
| 2502 | return refs->be->delete_reflog(refs, refname); |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2503 | } |
| 2504 | |
| 2505 | int delete_reflog(const char *refname) |
| 2506 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2507 | return refs_delete_reflog(get_main_ref_store(the_repository), refname); |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2508 | } |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2509 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2510 | int refs_reflog_expire(struct ref_store *refs, |
Ævar Arnfjörð Bjarmason | cc40b5c | 2021-08-23 13:36:11 +0200 | [diff] [blame] | 2511 | const char *refname, |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2512 | unsigned int flags, |
| 2513 | reflog_expiry_prepare_fn prepare_fn, |
| 2514 | reflog_expiry_should_prune_fn should_prune_fn, |
| 2515 | reflog_expiry_cleanup_fn cleanup_fn, |
| 2516 | void *policy_cb_data) |
| 2517 | { |
Ævar Arnfjörð Bjarmason | cc40b5c | 2021-08-23 13:36:11 +0200 | [diff] [blame] | 2518 | return refs->be->reflog_expire(refs, refname, flags, |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2519 | prepare_fn, should_prune_fn, |
| 2520 | cleanup_fn, policy_cb_data); |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2521 | } |
| 2522 | |
Ævar Arnfjörð Bjarmason | cc40b5c | 2021-08-23 13:36:11 +0200 | [diff] [blame] | 2523 | int reflog_expire(const char *refname, |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2524 | unsigned int flags, |
| 2525 | reflog_expiry_prepare_fn prepare_fn, |
| 2526 | reflog_expiry_should_prune_fn should_prune_fn, |
| 2527 | reflog_expiry_cleanup_fn cleanup_fn, |
| 2528 | void *policy_cb_data) |
| 2529 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2530 | return refs_reflog_expire(get_main_ref_store(the_repository), |
Ævar Arnfjörð Bjarmason | cc40b5c | 2021-08-23 13:36:11 +0200 | [diff] [blame] | 2531 | refname, flags, |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2532 | prepare_fn, should_prune_fn, |
| 2533 | cleanup_fn, policy_cb_data); |
David Turner | e3688bd | 2016-09-04 18:08:38 +0200 | [diff] [blame] | 2534 | } |
David Turner | fc68146 | 2016-09-04 18:08:39 +0200 | [diff] [blame] | 2535 | |
| 2536 | int initial_ref_transaction_commit(struct ref_transaction *transaction, |
| 2537 | struct strbuf *err) |
| 2538 | { |
Nguyễn Thái Ngọc Duy | c0fe4e8 | 2017-03-26 09:42:35 +0700 | [diff] [blame] | 2539 | struct ref_store *refs = transaction->ref_store; |
David Turner | fc68146 | 2016-09-04 18:08:39 +0200 | [diff] [blame] | 2540 | |
| 2541 | return refs->be->initial_transaction_commit(refs, transaction, err); |
| 2542 | } |
David Turner | a27dcf8 | 2016-09-04 18:08:40 +0200 | [diff] [blame] | 2543 | |
Patrick Steinhardt | 4f2ba2d | 2022-02-17 14:04:32 +0100 | [diff] [blame] | 2544 | void ref_transaction_for_each_queued_update(struct ref_transaction *transaction, |
| 2545 | ref_transaction_for_each_queued_update_fn cb, |
| 2546 | void *cb_data) |
| 2547 | { |
| 2548 | int i; |
| 2549 | |
| 2550 | for (i = 0; i < transaction->nr; i++) { |
| 2551 | struct ref_update *update = transaction->updates[i]; |
| 2552 | |
| 2553 | cb(update->refname, |
| 2554 | (update->flags & REF_HAVE_OLD) ? &update->old_oid : NULL, |
| 2555 | (update->flags & REF_HAVE_NEW) ? &update->new_oid : NULL, |
| 2556 | cb_data); |
| 2557 | } |
| 2558 | } |
| 2559 | |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 2560 | int refs_delete_refs(struct ref_store *refs, const char *logmsg, |
Michael Haggerty | 64da419 | 2017-05-22 16:17:38 +0200 | [diff] [blame] | 2561 | struct string_list *refnames, unsigned int flags) |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2562 | { |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 2563 | char *msg; |
| 2564 | int retval; |
| 2565 | |
| 2566 | msg = normalize_reflog_message(logmsg); |
| 2567 | retval = refs->be->delete_refs(refs, msg, refnames, flags); |
| 2568 | free(msg); |
| 2569 | return retval; |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2570 | } |
| 2571 | |
Michael Haggerty | 64da419 | 2017-05-22 16:17:38 +0200 | [diff] [blame] | 2572 | int delete_refs(const char *msg, struct string_list *refnames, |
| 2573 | unsigned int flags) |
David Turner | a27dcf8 | 2016-09-04 18:08:40 +0200 | [diff] [blame] | 2574 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2575 | return refs_delete_refs(get_main_ref_store(the_repository), msg, refnames, flags); |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2576 | } |
David Turner | a27dcf8 | 2016-09-04 18:08:40 +0200 | [diff] [blame] | 2577 | |
Nguyễn Thái Ngọc Duy | 7d2df05 | 2017-03-26 09:42:34 +0700 | [diff] [blame] | 2578 | int refs_rename_ref(struct ref_store *refs, const char *oldref, |
| 2579 | const char *newref, const char *logmsg) |
| 2580 | { |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 2581 | char *msg; |
| 2582 | int retval; |
| 2583 | |
| 2584 | msg = normalize_reflog_message(logmsg); |
| 2585 | retval = refs->be->rename_ref(refs, oldref, newref, msg); |
| 2586 | free(msg); |
| 2587 | return retval; |
David Turner | a27dcf8 | 2016-09-04 18:08:40 +0200 | [diff] [blame] | 2588 | } |
David Turner | 9b6b40d | 2016-09-04 18:08:42 +0200 | [diff] [blame] | 2589 | |
| 2590 | int rename_ref(const char *oldref, const char *newref, const char *logmsg) |
| 2591 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2592 | return refs_rename_ref(get_main_ref_store(the_repository), oldref, newref, logmsg); |
David Turner | 9b6b40d | 2016-09-04 18:08:42 +0200 | [diff] [blame] | 2593 | } |
Sahil Dua | 52d59cc | 2017-06-18 23:19:16 +0200 | [diff] [blame] | 2594 | |
| 2595 | int refs_copy_existing_ref(struct ref_store *refs, const char *oldref, |
| 2596 | const char *newref, const char *logmsg) |
| 2597 | { |
Junio C Hamano | 523fa69 | 2020-07-10 17:19:53 +0000 | [diff] [blame] | 2598 | char *msg; |
| 2599 | int retval; |
| 2600 | |
| 2601 | msg = normalize_reflog_message(logmsg); |
| 2602 | retval = refs->be->copy_ref(refs, oldref, newref, msg); |
| 2603 | free(msg); |
| 2604 | return retval; |
Sahil Dua | 52d59cc | 2017-06-18 23:19:16 +0200 | [diff] [blame] | 2605 | } |
| 2606 | |
| 2607 | int copy_existing_ref(const char *oldref, const char *newref, const char *logmsg) |
| 2608 | { |
Stefan Beller | 23a3f0c | 2018-04-11 17:21:09 -0700 | [diff] [blame] | 2609 | return refs_copy_existing_ref(get_main_ref_store(the_repository), oldref, newref, logmsg); |
Sahil Dua | 52d59cc | 2017-06-18 23:19:16 +0200 | [diff] [blame] | 2610 | } |