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Daniel Barkalowb888d612007-09-10 23:03:25 -04001/*
2 * "git fetch"
3 */
4#include "cache.h"
Brandon Williamsb2141fc2017-06-14 11:07:36 -07005#include "config.h"
Brandon Williamse7241972017-12-12 11:53:52 -08006#include "repository.h"
Daniel Barkalowb888d612007-09-10 23:03:25 -04007#include "refs.h"
Brandon Williamsec0cb492018-05-16 15:57:48 -07008#include "refspec.h"
Daniel Barkalowb888d612007-09-10 23:03:25 -04009#include "commit.h"
10#include "builtin.h"
Johannes Schindelinc455c872008-07-21 19:03:49 +010011#include "string-list.h"
Daniel Barkalowb888d612007-09-10 23:03:25 -040012#include "remote.h"
13#include "transport.h"
Shawn O. Pearce4191c352007-11-11 02:29:47 -050014#include "run-command.h"
Kristian Høgsberg83201992007-12-04 02:25:47 -050015#include "parse-options.h"
Jeff King4a16d072009-01-22 01:02:35 -050016#include "sigchain.h"
Heiko Voigt027771f2015-08-17 17:22:00 -070017#include "submodule-config.h"
Jens Lehmann7dce19d2010-11-12 13:54:52 +010018#include "submodule.h"
Junio C Hamanof96400c2011-09-02 16:33:22 -070019#include "connected.h"
Jeff King85556d42012-09-01 07:27:35 -040020#include "argv-array.h"
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +020021#include "utf8.h"
Jonathan Tan3836d882017-08-18 15:20:21 -070022#include "packfile.h"
Jeff Hostetleracb0c572017-12-08 15:58:44 +000023#include "list-objects-filter-options.h"
Daniel Barkalowb888d612007-09-10 23:03:25 -040024
Kristian Høgsberg83201992007-12-04 02:25:47 -050025static const char * const builtin_fetch_usage[] = {
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +070026 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
27 N_("git fetch [<options>] <group>"),
28 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
29 N_("git fetch --all [<options>]"),
Kristian Høgsberg83201992007-12-04 02:25:47 -050030 NULL
31};
Daniel Barkalowb888d612007-09-10 23:03:25 -040032
Kristian Høgsberg83201992007-12-04 02:25:47 -050033enum {
34 TAGS_UNSET = 0,
35 TAGS_DEFAULT = 1,
36 TAGS_SET = 2
37};
38
Michael Schubert737c5a92013-07-13 11:36:24 +020039static int fetch_prune_config = -1; /* unspecified */
40static int prune = -1; /* unspecified */
41#define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
42
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +000043static int fetch_prune_tags_config = -1; /* unspecified */
44static int prune_tags = -1; /* unspecified */
45#define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
46
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +070047static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative;
Stefan Beller8c698322017-06-23 12:13:01 -070048static int progress = -1;
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +070049static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
Brandon Williamsf20e7c12017-08-02 12:49:18 -070050static int max_children = 1;
Eric Wongc915f112016-02-03 04:09:14 +000051static enum transport_family family;
Shawn O. Pearce4191c352007-11-11 02:29:47 -050052static const char *depth;
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +070053static const char *deepen_since;
Kristian Høgsberg83201992007-12-04 02:25:47 -050054static const char *upload_pack;
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +070055static struct string_list deepen_not = STRING_LIST_INIT_NODUP;
Kristian Høgsberg2d324ef2007-12-04 02:25:46 -050056static struct strbuf default_rla = STRBUF_INIT;
Junio C Hamanoaf234452013-08-07 15:38:45 -070057static struct transport *gtransport;
Junio C Hamanob26ed432013-08-07 15:47:18 -070058static struct transport *gsecondary;
Jens Lehmann7dce19d2010-11-12 13:54:52 +010059static const char *submodule_prefix = "";
Stefan Beller8c698322017-06-23 12:13:01 -070060static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
Stefan Bellere8906a92017-06-27 14:31:59 -070061static int recurse_submodules_default = RECURSE_SUBMODULES_ON_DEMAND;
Tom Miller4b3b33a2014-01-02 20:28:51 -060062static int shown_url = 0;
Brandon Williamse4cffac2018-05-16 15:58:05 -070063static struct refspec refmap = REFSPEC_INIT_FETCH;
Jeff Hostetleracb0c572017-12-08 15:58:44 +000064static struct list_objects_filter_options filter_options;
Brandon Williams5e3548e2018-04-23 15:46:24 -070065static struct string_list server_options = STRING_LIST_INIT_DUP;
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -040066
Michael Schubert737c5a92013-07-13 11:36:24 +020067static int git_fetch_config(const char *k, const char *v, void *cb)
68{
69 if (!strcmp(k, "fetch.prune")) {
70 fetch_prune_config = git_config_bool(k, v);
71 return 0;
72 }
Stefan Beller58f42032017-05-31 17:30:50 -070073
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +000074 if (!strcmp(k, "fetch.prunetags")) {
75 fetch_prune_tags_config = git_config_bool(k, v);
76 return 0;
77 }
78
Stefan Beller58f42032017-05-31 17:30:50 -070079 if (!strcmp(k, "submodule.recurse")) {
80 int r = git_config_bool(k, v) ?
81 RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
82 recurse_submodules = r;
83 }
84
Brandon Williamsf20e7c12017-08-02 12:49:18 -070085 if (!strcmp(k, "submodule.fetchjobs")) {
86 max_children = parse_submodule_fetchjobs(k, v);
87 return 0;
Brandon Williams8fa29152017-08-02 12:49:19 -070088 } else if (!strcmp(k, "fetch.recursesubmodules")) {
89 recurse_submodules = parse_fetch_recurse_submodules_arg(k, v);
90 return 0;
Brandon Williamsf20e7c12017-08-02 12:49:18 -070091 }
92
Jeff King72549df2014-11-04 08:11:19 -050093 return git_default_config(k, v, cb);
Michael Schubert737c5a92013-07-13 11:36:24 +020094}
95
Brandon Williamsf20e7c12017-08-02 12:49:18 -070096static int gitmodules_fetch_config(const char *var, const char *value, void *cb)
97{
98 if (!strcmp(var, "submodule.fetchjobs")) {
99 max_children = parse_submodule_fetchjobs(var, value);
100 return 0;
Brandon Williams8fa29152017-08-02 12:49:19 -0700101 } else if (!strcmp(var, "fetch.recursesubmodules")) {
102 recurse_submodules = parse_fetch_recurse_submodules_arg(var, value);
103 return 0;
Brandon Williamsf20e7c12017-08-02 12:49:18 -0700104 }
105
106 return 0;
107}
108
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700109static int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
110{
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700111 /*
112 * "git fetch --refmap='' origin foo"
113 * can be used to tell the command not to store anywhere
114 */
Brandon Williamse4cffac2018-05-16 15:58:05 -0700115 refspec_append(&refmap, arg);
116
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700117 return 0;
118}
119
Kristian Høgsberg83201992007-12-04 02:25:47 -0500120static struct option builtin_fetch_options[] = {
Tuncer Ayaz7f87aff2008-11-15 01:14:24 +0100121 OPT__VERBOSITY(&verbosity),
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200122 OPT_BOOL(0, "all", &all,
123 N_("fetch from all remotes")),
124 OPT_BOOL('a', "append", &append,
125 N_("append to .git/FETCH_HEAD instead of overwriting")),
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700126 OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
127 N_("path to upload pack on remote end")),
Nguyễn Thái Ngọc Duy12247812018-02-09 18:01:42 +0700128 OPT__FORCE(&force, N_("force overwrite of local branch"), 0),
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200129 OPT_BOOL('m', "multiple", &multiple,
130 N_("fetch from multiple remotes")),
Kristian Høgsberg83201992007-12-04 02:25:47 -0500131 OPT_SET_INT('t', "tags", &tags,
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700132 N_("fetch all tags and associated objects"), TAGS_SET),
Johannes Schindeline7951292008-03-13 08:13:15 +0100133 OPT_SET_INT('n', NULL, &tags,
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700134 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
Stefan Beller62104ba2015-12-15 16:04:12 -0800135 OPT_INTEGER('j', "jobs", &max_children,
136 N_("number of submodules fetched in parallel")),
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200137 OPT_BOOL('p', "prune", &prune,
138 N_("prune remote-tracking branches no longer on remote")),
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +0000139 OPT_BOOL('P', "prune-tags", &prune_tags,
140 N_("prune local tags no longer on remote and clobber changed tags")),
Stefan Beller886dc152017-06-23 12:13:00 -0700141 { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, N_("on-demand"),
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700142 N_("control recursive fetching of submodules"),
Stefan Beller886dc152017-06-23 12:13:00 -0700143 PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules },
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200144 OPT_BOOL(0, "dry-run", &dry_run,
145 N_("dry run")),
146 OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")),
147 OPT_BOOL('u', "update-head-ok", &update_head_ok,
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700148 N_("allow updating of HEAD ref")),
149 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
150 OPT_STRING(0, "depth", &depth, N_("depth"),
151 N_("deepen history of shallow clone")),
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +0700152 OPT_STRING(0, "shallow-since", &deepen_since, N_("time"),
153 N_("deepen history of shallow repository based on time")),
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +0700154 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not, N_("revision"),
Alex Henrie6d873862016-12-04 15:03:59 -0700155 N_("deepen history of shallow clone, excluding rev")),
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +0700156 OPT_INTEGER(0, "deepen", &deepen_relative,
157 N_("deepen history of shallow clone")),
Nguyễn Thái Ngọc Duy3e4a67b2018-05-20 17:42:58 +0200158 OPT_SET_INT_F(0, "unshallow", &unshallow,
159 N_("convert to a complete repository"),
160 1, PARSE_OPT_NONEG),
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700161 { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
162 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
Stefan Beller8c698322017-06-23 12:13:01 -0700163 { OPTION_CALLBACK, 0, "recurse-submodules-default",
164 &recurse_submodules_default, N_("on-demand"),
165 N_("default for recursive fetching of submodules "
166 "(lower priority than config files)"),
167 PARSE_OPT_HIDDEN, option_fetch_parse_recurse_submodules },
Nguyễn Thái Ngọc Duy48d25ca2013-12-05 20:02:42 +0700168 OPT_BOOL(0, "update-shallow", &update_shallow,
169 N_("accept refs that update .git/shallow")),
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700170 { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"),
171 N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg },
Brandon Williams5e3548e2018-04-23 15:46:24 -0700172 OPT_STRING_LIST('o', "server-option", &server_options, N_("server-specific"), N_("option to transmit")),
Eric Wongc915f112016-02-03 04:09:14 +0000173 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
174 TRANSPORT_FAMILY_IPV4),
175 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
176 TRANSPORT_FAMILY_IPV6),
Jeff Hostetleracb0c572017-12-08 15:58:44 +0000177 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
Kristian Høgsberg83201992007-12-04 02:25:47 -0500178 OPT_END()
179};
180
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -0400181static void unlock_pack(void)
182{
Junio C Hamanoaf234452013-08-07 15:38:45 -0700183 if (gtransport)
184 transport_unlock_pack(gtransport);
Junio C Hamanob26ed432013-08-07 15:47:18 -0700185 if (gsecondary)
186 transport_unlock_pack(gsecondary);
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -0400187}
188
189static void unlock_pack_on_signal(int signo)
190{
191 unlock_pack();
Jeff King4a16d072009-01-22 01:02:35 -0500192 sigchain_pop(signo);
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -0400193 raise(signo);
194}
Daniel Barkalowb888d612007-09-10 23:03:25 -0400195
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400196static void add_merge_config(struct ref **head,
Daniel Barkalow45773702007-10-29 21:05:40 -0400197 const struct ref *remote_refs,
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400198 struct branch *branch,
199 struct ref ***tail)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400200{
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400201 int i;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400202
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400203 for (i = 0; i < branch->merge_nr; i++) {
204 struct ref *rm, **old_tail = *tail;
Brandon Williams0ad4a5f2018-05-16 15:57:49 -0700205 struct refspec_item refspec;
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400206
207 for (rm = *head; rm; rm = rm->next) {
208 if (branch_merge_matches(branch, i, rm->name)) {
Jeff King900f2812013-05-11 18:15:59 +0200209 rm->fetch_head_status = FETCH_HEAD_MERGE;
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400210 break;
211 }
Daniel Barkalowb888d612007-09-10 23:03:25 -0400212 }
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400213 if (rm)
214 continue;
215
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700216 /*
Matthieu Moy8b3f3f82010-11-02 16:31:23 +0100217 * Not fetched to a remote-tracking branch? We need to fetch
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400218 * it anyway to allow this branch's "branch.$name.merge"
Heikki Orsila05207a22008-09-09 13:28:30 +0300219 * to be honored by 'git pull', but we do not have to
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700220 * fail if branch.$name.merge is misconfigured to point
221 * at a nonexisting branch. If we were indeed called by
Heikki Orsila05207a22008-09-09 13:28:30 +0300222 * 'git pull', it will notice the misconfiguration because
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700223 * there is no entry in the resulting FETCH_HEAD marked
224 * for merging.
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400225 */
Andreas Gruenbacher8da61a22010-03-12 23:27:33 +0100226 memset(&refspec, 0, sizeof(refspec));
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400227 refspec.src = branch->merge[i]->src;
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700228 get_fetch_map(remote_refs, &refspec, tail, 1);
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400229 for (rm = *old_tail; rm; rm = rm->next)
Jeff King900f2812013-05-11 18:15:59 +0200230 rm->fetch_head_status = FETCH_HEAD_MERGE;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400231 }
232}
233
Michael Haggerty0e0b7de2015-05-25 18:38:35 +0000234static int add_existing(const char *refname, const struct object_id *oid,
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100235 int flag, void *cbdata)
236{
237 struct string_list *list = (struct string_list *)cbdata;
238 struct string_list_item *item = string_list_insert(list, refname);
Michael Haggerty0e0b7de2015-05-25 18:38:35 +0000239 struct object_id *old_oid = xmalloc(sizeof(*old_oid));
240
241 oidcpy(old_oid, oid);
242 item->util = old_oid;
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100243 return 0;
244}
245
246static int will_fetch(struct ref **head, const unsigned char *sha1)
247{
248 struct ref *rm = *head;
249 while (rm) {
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000250 if (!hashcmp(rm->old_oid.hash, sha1))
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100251 return 1;
252 rm = rm->next;
253 }
254 return 0;
255}
256
Brandon Williams6d1700d2018-06-27 15:30:21 -0700257static void find_non_local_tags(const struct ref *refs,
258 struct ref **head,
259 struct ref ***tail)
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100260{
261 struct string_list existing_refs = STRING_LIST_INIT_DUP;
262 struct string_list remote_refs = STRING_LIST_INIT_NODUP;
263 const struct ref *ref;
264 struct string_list_item *item = NULL;
265
Michael Haggerty0e0b7de2015-05-25 18:38:35 +0000266 for_each_ref(add_existing, &existing_refs);
Brandon Williams6d1700d2018-06-27 15:30:21 -0700267 for (ref = refs; ref; ref = ref->next) {
Junio C Hamanoad704482013-12-17 11:47:35 -0800268 if (!starts_with(ref->name, "refs/tags/"))
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100269 continue;
270
271 /*
272 * The peeled ref always follows the matching base
273 * ref, so if we see a peeled ref that we don't want
274 * to fetch then we can mark the ref entry in the list
275 * as one to ignore by setting util to NULL.
276 */
Junio C Hamanoad704482013-12-17 11:47:35 -0800277 if (ends_with(ref->name, "^{}")) {
Jeff King5827a032016-10-13 12:53:44 -0400278 if (item &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700279 !has_object_file_with_flags(&ref->old_oid,
280 OBJECT_INFO_QUICK) &&
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000281 !will_fetch(head, ref->old_oid.hash) &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700282 !has_sha1_file_with_flags(item->util,
283 OBJECT_INFO_QUICK) &&
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100284 !will_fetch(head, item->util))
285 item->util = NULL;
286 item = NULL;
287 continue;
288 }
289
290 /*
291 * If item is non-NULL here, then we previously saw a
292 * ref not followed by a peeled reference, so we need
293 * to check if it is a lightweight tag that we want to
294 * fetch.
295 */
Jeff King5827a032016-10-13 12:53:44 -0400296 if (item &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700297 !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100298 !will_fetch(head, item->util))
299 item->util = NULL;
300
301 item = NULL;
302
303 /* skip duplicates and refs that we already have */
304 if (string_list_has_string(&remote_refs, ref->name) ||
305 string_list_has_string(&existing_refs, ref->name))
306 continue;
307
308 item = string_list_insert(&remote_refs, ref->name);
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000309 item->util = (void *)&ref->old_oid;
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100310 }
311 string_list_clear(&existing_refs, 1);
312
313 /*
314 * We may have a final lightweight tag that needs to be
315 * checked to see if it needs fetching.
316 */
Jeff King5827a032016-10-13 12:53:44 -0400317 if (item &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700318 !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100319 !will_fetch(head, item->util))
320 item->util = NULL;
321
322 /*
323 * For all the tags in the remote_refs string list,
324 * add them to the list of refs to be fetched
325 */
326 for_each_string_list_item(item, &remote_refs) {
327 /* Unless we have already decided to ignore this item... */
328 if (item->util)
329 {
330 struct ref *rm = alloc_ref(item->string);
331 rm->peer_ref = alloc_ref(item->string);
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000332 oidcpy(&rm->old_oid, item->util);
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100333 **tail = rm;
334 *tail = &rm->next;
335 }
336 }
337
338 string_list_clear(&remote_refs, 0);
339}
Shawn O. Pearce767f1762008-03-02 21:35:25 -0500340
Brandon Williams6d1700d2018-06-27 15:30:21 -0700341static struct ref *get_ref_map(struct remote *remote,
342 const struct ref *remote_refs,
Brandon Williams65d96c82018-05-16 15:58:08 -0700343 struct refspec *rs,
Michael Haggertyf137a452013-10-23 17:50:38 +0200344 int tags, int *autotags)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400345{
346 int i;
347 struct ref *rm;
348 struct ref *ref_map = NULL;
349 struct ref **tail = &ref_map;
350
Michael Haggertyc5a84e92013-10-30 06:32:59 +0100351 /* opportunistically-updated references: */
352 struct ref *orefs = NULL, **oref_tail = &orefs;
353
Brandon Williams14b8ced2018-06-27 15:30:19 -0700354 struct string_list existing_refs = STRING_LIST_INIT_DUP;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400355
Brandon Williams65d96c82018-05-16 15:58:08 -0700356 if (rs->nr) {
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700357 struct refspec *fetch_refspec;
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700358
Brandon Williams65d96c82018-05-16 15:58:08 -0700359 for (i = 0; i < rs->nr; i++) {
360 get_fetch_map(remote_refs, &rs->items[i], &tail, 0);
361 if (rs->items[i].dst && rs->items[i].dst[0])
Daniel Barkalowb888d612007-09-10 23:03:25 -0400362 *autotags = 1;
363 }
Michael Haggerty0281c932013-10-30 06:32:58 +0100364 /* Merge everything on the command line (but not --tags) */
Daniel Barkalowb888d612007-09-10 23:03:25 -0400365 for (rm = ref_map; rm; rm = rm->next)
Jeff King900f2812013-05-11 18:15:59 +0200366 rm->fetch_head_status = FETCH_HEAD_MERGE;
Michael Haggerty0281c932013-10-30 06:32:58 +0100367
368 /*
369 * For any refs that we happen to be fetching via
370 * command-line arguments, the destination ref might
371 * have been missing or have been different than the
372 * remote-tracking ref that would be derived from the
373 * configured refspec. In these cases, we want to
374 * take the opportunity to update their configured
375 * remote-tracking reference. However, we do not want
376 * to mention these entries in FETCH_HEAD at all, as
377 * they would simply be duplicates of existing
378 * entries, so we set them FETCH_HEAD_IGNORE below.
379 *
380 * We compute these entries now, based only on the
381 * refspecs specified on the command line. But we add
382 * them to the list following the refspecs resulting
383 * from the tags option so that one of the latter,
384 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
385 * by ref_remove_duplicates() in favor of one of these
386 * opportunistic entries with FETCH_HEAD_IGNORE.
387 */
Brandon Williams65d96c82018-05-16 15:58:08 -0700388 if (refmap.nr)
389 fetch_refspec = &refmap;
390 else
Brandon Williams6d1700d2018-06-27 15:30:21 -0700391 fetch_refspec = &remote->fetch;
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700392
Brandon Williams65d96c82018-05-16 15:58:08 -0700393 for (i = 0; i < fetch_refspec->nr; i++)
394 get_fetch_map(ref_map, &fetch_refspec->items[i], &oref_tail, 1);
Brandon Williamse4cffac2018-05-16 15:58:05 -0700395 } else if (refmap.nr) {
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700396 die("--refmap option is only meaningful with command-line refspec(s).");
Daniel Barkalowb888d612007-09-10 23:03:25 -0400397 } else {
398 /* Use the defaults */
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400399 struct branch *branch = branch_get(NULL);
400 int has_merge = branch_has_merge_config(branch);
Brandon Casey3ee17572010-08-25 12:52:56 -0500401 if (remote &&
Brandon Williamse5349ab2018-05-16 15:58:01 -0700402 (remote->fetch.nr ||
Brandon Caseyf31dbdc2010-09-09 13:56:36 -0500403 /* Note: has_merge implies non-NULL branch->remote_name */
Brandon Casey3ee17572010-08-25 12:52:56 -0500404 (has_merge && !strcmp(branch->remote_name, remote->name)))) {
Brandon Williamse5349ab2018-05-16 15:58:01 -0700405 for (i = 0; i < remote->fetch.nr; i++) {
406 get_fetch_map(remote_refs, &remote->fetch.items[i], &tail, 0);
407 if (remote->fetch.items[i].dst &&
408 remote->fetch.items[i].dst[0])
Daniel Barkalowb888d612007-09-10 23:03:25 -0400409 *autotags = 1;
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400410 if (!i && !has_merge && ref_map &&
Brandon Williamse5349ab2018-05-16 15:58:01 -0700411 !remote->fetch.items[0].pattern)
Jeff King900f2812013-05-11 18:15:59 +0200412 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400413 }
Johannes Schindelinda0204d2007-10-11 01:47:55 +0100414 /*
415 * if the remote we're fetching from is the same
416 * as given in branch.<name>.remote, we add the
417 * ref given in branch.<name>.merge, too.
Brandon Caseyf31dbdc2010-09-09 13:56:36 -0500418 *
419 * Note: has_merge implies non-NULL branch->remote_name
Johannes Schindelinda0204d2007-10-11 01:47:55 +0100420 */
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700421 if (has_merge &&
422 !strcmp(branch->remote_name, remote->name))
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400423 add_merge_config(&ref_map, remote_refs, branch, &tail);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400424 } else {
425 ref_map = get_remote_ref(remote_refs, "HEAD");
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700426 if (!ref_map)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +0000427 die(_("Couldn't find remote ref HEAD"));
Jeff King900f2812013-05-11 18:15:59 +0200428 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
Shawn O. Pearce5aaf7f22008-03-02 21:34:51 -0500429 tail = &ref_map->next;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400430 }
431 }
Michael Haggerty0281c932013-10-30 06:32:58 +0100432
Michael Haggertyc5a84e92013-10-30 06:32:59 +0100433 if (tags == TAGS_SET)
434 /* also fetch all tags */
435 get_fetch_map(remote_refs, tag_refspec, &tail, 0);
436 else if (tags == TAGS_DEFAULT && *autotags)
Brandon Williams6d1700d2018-06-27 15:30:21 -0700437 find_non_local_tags(remote_refs, &ref_map, &tail);
Michael Haggerty0281c932013-10-30 06:32:58 +0100438
Michael Haggertyc5a84e92013-10-30 06:32:59 +0100439 /* Now append any refs to be updated opportunistically: */
440 *tail = orefs;
441 for (rm = orefs; rm; rm = rm->next) {
442 rm->fetch_head_status = FETCH_HEAD_IGNORE;
443 tail = &rm->next;
444 }
445
Brandon Williams14b8ced2018-06-27 15:30:19 -0700446 ref_map = ref_remove_duplicates(ref_map);
447
448 for_each_ref(add_existing, &existing_refs);
449 for (rm = ref_map; rm; rm = rm->next) {
450 if (rm->peer_ref) {
451 struct string_list_item *peer_item =
452 string_list_lookup(&existing_refs,
453 rm->peer_ref->name);
454 if (peer_item) {
455 struct object_id *old_oid = peer_item->util;
456 oidcpy(&rm->peer_ref->old_oid, old_oid);
457 }
458 }
459 }
460 string_list_clear(&existing_refs, 1);
461
462 return ref_map;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400463}
464
Jeff Kingfa250752009-05-25 06:40:54 -0400465#define STORE_REF_ERROR_OTHER 1
466#define STORE_REF_ERROR_DF_CONFLICT 2
467
Daniel Barkalowb888d612007-09-10 23:03:25 -0400468static int s_update_ref(const char *action,
469 struct ref *ref,
470 int check_old)
471{
Jeff King1412f762017-03-28 15:46:26 -0400472 char *msg;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400473 char *rla = getenv("GIT_REFLOG_ACTION");
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700474 struct ref_transaction *transaction;
475 struct strbuf err = STRBUF_INIT;
476 int ret, df_conflict = 0;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400477
Jay Soffian28a15402009-11-10 09:19:43 +0100478 if (dry_run)
479 return 0;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400480 if (!rla)
Kristian Høgsberg2d324ef2007-12-04 02:25:46 -0500481 rla = default_rla.buf;
Jeff King1412f762017-03-28 15:46:26 -0400482 msg = xstrfmt("%s: %s", rla, action);
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700483
484 transaction = ref_transaction_begin(&err);
485 if (!transaction ||
Michael Haggerty1d147bd2015-02-17 18:00:15 +0100486 ref_transaction_update(transaction, ref->name,
brian m. carlson89f3bbd2017-10-15 22:06:53 +0000487 &ref->new_oid,
488 check_old ? &ref->old_oid : NULL,
Michael Haggerty1d147bd2015-02-17 18:00:15 +0100489 0, msg, &err))
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700490 goto fail;
491
492 ret = ref_transaction_commit(transaction, &err);
493 if (ret) {
494 df_conflict = (ret == TRANSACTION_NAME_CONFLICT);
495 goto fail;
496 }
497
498 ref_transaction_free(transaction);
499 strbuf_release(&err);
Jeff King1412f762017-03-28 15:46:26 -0400500 free(msg);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400501 return 0;
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700502fail:
503 ref_transaction_free(transaction);
504 error("%s", err.buf);
505 strbuf_release(&err);
Jeff King1412f762017-03-28 15:46:26 -0400506 free(msg);
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700507 return df_conflict ? STORE_REF_ERROR_DF_CONFLICT
508 : STORE_REF_ERROR_OTHER;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400509}
510
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200511static int refcol_width = 10;
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200512static int compact_format;
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200513
514static void adjust_refcol_width(const struct ref *ref)
515{
516 int max, rlen, llen, len;
517
518 /* uptodate lines are only shown on high verbosity level */
519 if (!verbosity && !oidcmp(&ref->peer_ref->old_oid, &ref->old_oid))
520 return;
521
522 max = term_columns();
523 rlen = utf8_strwidth(prettify_refname(ref->name));
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200524
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200525 llen = utf8_strwidth(prettify_refname(ref->peer_ref->name));
526
527 /*
528 * rough estimation to see if the output line is too long and
529 * should not be counted (we can't do precise calculation
530 * anyway because we don't know if the error explanation part
531 * will be printed in update_local_ref)
532 */
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200533 if (compact_format) {
534 llen = 0;
535 max = max * 2 / 3;
536 }
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200537 len = 21 /* flag and summary */ + rlen + 4 /* -> */ + llen;
538 if (len >= max)
539 return;
540
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200541 /*
542 * Not precise calculation for compact mode because '*' can
543 * appear on the left hand side of '->' and shrink the column
544 * back.
545 */
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200546 if (refcol_width < rlen)
547 refcol_width = rlen;
548}
549
550static void prepare_format_display(struct ref *ref_map)
551{
552 struct ref *rm;
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200553 const char *format = "full";
554
555 git_config_get_string_const("fetch.output", &format);
556 if (!strcasecmp(format, "full"))
557 compact_format = 0;
558 else if (!strcasecmp(format, "compact"))
559 compact_format = 1;
560 else
561 die(_("configuration fetch.output contains invalid value %s"),
562 format);
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200563
564 for (rm = ref_map; rm; rm = rm->next) {
565 if (rm->status == REF_STATUS_REJECT_SHALLOW ||
566 !rm->peer_ref ||
567 !strcmp(rm->name, "HEAD"))
568 continue;
569
570 adjust_refcol_width(rm);
571 }
572}
Nicolas Pitre165f3902007-11-03 01:32:48 -0400573
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200574static void print_remote_to_local(struct strbuf *display,
575 const char *remote, const char *local)
576{
577 strbuf_addf(display, "%-*s -> %s", refcol_width, remote, local);
578}
579
580static int find_and_replace(struct strbuf *haystack,
581 const char *needle,
582 const char *placeholder)
583{
584 const char *p = strstr(haystack->buf, needle);
585 int plen, nlen;
586
587 if (!p)
588 return 0;
589
590 if (p > haystack->buf && p[-1] != '/')
591 return 0;
592
593 plen = strlen(p);
594 nlen = strlen(needle);
595 if (plen > nlen && p[nlen] != '/')
596 return 0;
597
598 strbuf_splice(haystack, p - haystack->buf, nlen,
599 placeholder, strlen(placeholder));
600 return 1;
601}
602
603static void print_compact(struct strbuf *display,
604 const char *remote, const char *local)
605{
606 struct strbuf r = STRBUF_INIT;
607 struct strbuf l = STRBUF_INIT;
608
609 if (!strcmp(remote, local)) {
610 strbuf_addf(display, "%-*s -> *", refcol_width, remote);
611 return;
612 }
613
614 strbuf_addstr(&r, remote);
615 strbuf_addstr(&l, local);
616
617 if (!find_and_replace(&r, local, "*"))
618 find_and_replace(&l, remote, "*");
619 print_remote_to_local(display, r.buf, l.buf);
620
621 strbuf_release(&r);
622 strbuf_release(&l);
623}
624
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200625static void format_display(struct strbuf *display, char code,
626 const char *summary, const char *error,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700627 const char *remote, const char *local,
628 int summary_width)
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200629{
Junio C Hamano901f3d42016-10-21 15:22:55 -0700630 int width = (summary_width + strlen(summary) - gettext_width(summary));
631
632 strbuf_addf(display, "%c %-*s ", code, width, summary);
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200633 if (!compact_format)
634 print_remote_to_local(display, remote, local);
635 else
636 print_compact(display, remote, local);
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200637 if (error)
638 strbuf_addf(display, " (%s)", error);
639}
Daniel Barkalowb888d612007-09-10 23:03:25 -0400640
641static int update_local_ref(struct ref *ref,
Nicolas Pitre165f3902007-11-03 01:32:48 -0400642 const char *remote,
Marc Branchaud6da618d2012-04-16 18:08:49 -0400643 const struct ref *remote_ref,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700644 struct strbuf *display,
645 int summary_width)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400646{
Daniel Barkalowb888d612007-09-10 23:03:25 -0400647 struct commit *current = NULL, *updated;
648 enum object_type type;
649 struct branch *current_branch = branch_get(NULL);
Felipe Contreras4577e482009-05-14 00:22:04 +0300650 const char *pretty_ref = prettify_refname(ref->name);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400651
Stefan Beller0df8e962018-04-25 11:20:59 -0700652 type = oid_object_info(the_repository, &ref->new_oid, NULL);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400653 if (type < 0)
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000654 die(_("object %s not found"), oid_to_hex(&ref->new_oid));
Daniel Barkalowb888d612007-09-10 23:03:25 -0400655
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000656 if (!oidcmp(&ref->old_oid, &ref->new_oid)) {
Tuncer Ayaz7f87aff2008-11-15 01:14:24 +0100657 if (verbosity > 0)
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200658 format_display(display, '=', _("[up to date]"), NULL,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700659 remote, pretty_ref, summary_width);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400660 return 0;
661 }
662
Shawn O. Pearceb3abdd92007-09-16 02:31:26 -0400663 if (current_branch &&
664 !strcmp(ref->name, current_branch->name) &&
Daniel Barkalowb888d612007-09-10 23:03:25 -0400665 !(update_head_ok || is_bare_repository()) &&
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000666 !is_null_oid(&ref->old_oid)) {
Daniel Barkalowb888d612007-09-10 23:03:25 -0400667 /*
668 * If this is the head, and it's not okay to update
669 * the head, and the old value of the head isn't empty...
670 */
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200671 format_display(display, '!', _("[rejected]"),
672 _("can't fetch in current branch"),
Junio C Hamano901f3d42016-10-21 15:22:55 -0700673 remote, pretty_ref, summary_width);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400674 return 1;
675 }
676
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000677 if (!is_null_oid(&ref->old_oid) &&
Christian Couder59556542013-11-30 21:55:40 +0100678 starts_with(ref->name, "refs/tags/")) {
Jeff King63154722008-06-26 23:59:50 -0400679 int r;
680 r = s_update_ref("updating tag", ref, 0);
Nguyễn Thái Ngọc Duy2cb040b2016-06-26 07:58:08 +0200681 format_display(display, r ? '!' : 't', _("[tag update]"),
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200682 r ? _("unable to update local ref") : NULL,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700683 remote, pretty_ref, summary_width);
Jeff King63154722008-06-26 23:59:50 -0400684 return r;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400685 }
686
brian m. carlsonbc832662017-05-06 22:10:10 +0000687 current = lookup_commit_reference_gently(&ref->old_oid, 1);
688 updated = lookup_commit_reference_gently(&ref->new_oid, 1);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400689 if (!current || !updated) {
Nicolas Pitre165f3902007-11-03 01:32:48 -0400690 const char *msg;
691 const char *what;
Jeff King63154722008-06-26 23:59:50 -0400692 int r;
Marc Branchaud0997ada2012-04-16 18:08:50 -0400693 /*
694 * Nicely describe the new ref we're fetching.
695 * Base this on the remote's ref name, as it's
696 * more likely to follow a standard layout.
697 */
698 const char *name = remote_ref ? remote_ref->name : "";
Christian Couder59556542013-11-30 21:55:40 +0100699 if (starts_with(name, "refs/tags/")) {
Daniel Barkalowb888d612007-09-10 23:03:25 -0400700 msg = "storing tag";
Ævar Arnfjörð Bjarmasonf7b37422011-02-22 23:41:53 +0000701 what = _("[new tag]");
Christian Couder59556542013-11-30 21:55:40 +0100702 } else if (starts_with(name, "refs/heads/")) {
Daniel Barkalowb888d612007-09-10 23:03:25 -0400703 msg = "storing head";
Ævar Arnfjörð Bjarmasonf7b37422011-02-22 23:41:53 +0000704 what = _("[new branch]");
Marc Branchaud0997ada2012-04-16 18:08:50 -0400705 } else {
706 msg = "storing ref";
707 what = _("[new ref]");
Nicolas Pitre165f3902007-11-03 01:32:48 -0400708 }
709
Jens Lehmanna6801ad2012-04-13 18:25:16 +0200710 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
711 (recurse_submodules != RECURSE_SUBMODULES_ON))
brian m. carlson2eb80bc2017-03-26 16:01:35 +0000712 check_for_new_submodule_commits(&ref->new_oid);
Jeff King63154722008-06-26 23:59:50 -0400713 r = s_update_ref(msg, ref, 0);
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200714 format_display(display, r ? '!' : '*', what,
715 r ? _("unable to update local ref") : NULL,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700716 remote, pretty_ref, summary_width);
Jeff King63154722008-06-26 23:59:50 -0400717 return r;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400718 }
719
Junio C Hamanoa20efee2012-08-27 14:46:01 -0700720 if (in_merge_bases(current, updated)) {
Jeff Kingbd22d4f2015-09-24 17:07:40 -0400721 struct strbuf quickref = STRBUF_INIT;
Jeff King63154722008-06-26 23:59:50 -0400722 int r;
brian m. carlson30e677e2018-03-12 02:27:28 +0000723 strbuf_add_unique_abbrev(&quickref, &current->object.oid, DEFAULT_ABBREV);
Jeff Kingbd22d4f2015-09-24 17:07:40 -0400724 strbuf_addstr(&quickref, "..");
brian m. carlson30e677e2018-03-12 02:27:28 +0000725 strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
Jens Lehmann88a21972011-03-06 23:10:46 +0100726 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
727 (recurse_submodules != RECURSE_SUBMODULES_ON))
brian m. carlson2eb80bc2017-03-26 16:01:35 +0000728 check_for_new_submodule_commits(&ref->new_oid);
Felipe Contrerasa75d7b52009-10-24 11:31:32 +0300729 r = s_update_ref("fast-forward", ref, 1);
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200730 format_display(display, r ? '!' : ' ', quickref.buf,
731 r ? _("unable to update local ref") : NULL,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700732 remote, pretty_ref, summary_width);
Jeff Kingbd22d4f2015-09-24 17:07:40 -0400733 strbuf_release(&quickref);
Jeff King63154722008-06-26 23:59:50 -0400734 return r;
Nicolas Pitre165f3902007-11-03 01:32:48 -0400735 } else if (force || ref->force) {
Jeff Kingbd22d4f2015-09-24 17:07:40 -0400736 struct strbuf quickref = STRBUF_INIT;
Jeff King63154722008-06-26 23:59:50 -0400737 int r;
brian m. carlson30e677e2018-03-12 02:27:28 +0000738 strbuf_add_unique_abbrev(&quickref, &current->object.oid, DEFAULT_ABBREV);
Jeff Kingbd22d4f2015-09-24 17:07:40 -0400739 strbuf_addstr(&quickref, "...");
brian m. carlson30e677e2018-03-12 02:27:28 +0000740 strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
Jens Lehmann88a21972011-03-06 23:10:46 +0100741 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
742 (recurse_submodules != RECURSE_SUBMODULES_ON))
brian m. carlson2eb80bc2017-03-26 16:01:35 +0000743 check_for_new_submodule_commits(&ref->new_oid);
Jeff King63154722008-06-26 23:59:50 -0400744 r = s_update_ref("forced-update", ref, 1);
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200745 format_display(display, r ? '!' : '+', quickref.buf,
746 r ? _("unable to update local ref") : _("forced update"),
Junio C Hamano901f3d42016-10-21 15:22:55 -0700747 remote, pretty_ref, summary_width);
Jeff Kingbd22d4f2015-09-24 17:07:40 -0400748 strbuf_release(&quickref);
Jeff King63154722008-06-26 23:59:50 -0400749 return r;
Nicolas Pitre165f3902007-11-03 01:32:48 -0400750 } else {
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200751 format_display(display, '!', _("[rejected]"), _("non-fast-forward"),
Junio C Hamano901f3d42016-10-21 15:22:55 -0700752 remote, pretty_ref, summary_width);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400753 return 1;
754 }
Daniel Barkalowb888d612007-09-10 23:03:25 -0400755}
756
brian m. carlson6ccac9e2017-10-15 22:06:54 +0000757static int iterate_ref_map(void *cb_data, struct object_id *oid)
Junio C Hamano6b67e0d2011-09-01 15:43:35 -0700758{
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700759 struct ref **rm = cb_data;
760 struct ref *ref = *rm;
Junio C Hamano6b67e0d2011-09-01 15:43:35 -0700761
Nguyễn Thái Ngọc Duy4820a332013-12-05 20:02:40 +0700762 while (ref && ref->status == REF_STATUS_REJECT_SHALLOW)
763 ref = ref->next;
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700764 if (!ref)
765 return -1; /* end of the list */
766 *rm = ref->next;
brian m. carlson6ccac9e2017-10-15 22:06:54 +0000767 oidcpy(oid, &ref->old_oid);
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700768 return 0;
Junio C Hamano6b67e0d2011-09-01 15:43:35 -0700769}
770
Andreas Ericsson47abd852009-04-17 10:20:11 +0200771static int store_updated_refs(const char *raw_url, const char *remote_name,
Jeff Kingf3cb1692008-06-27 00:01:41 -0400772 struct ref *ref_map)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400773{
774 FILE *fp;
775 struct commit *commit;
Tom Miller4b3b33a2014-01-02 20:28:51 -0600776 int url_len, i, rc = 0;
Jeff King5914f2d2011-12-08 03:43:19 -0500777 struct strbuf note = STRBUF_INIT;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400778 const char *what, *kind;
779 struct ref *rm;
Nguyễn Thái Ngọc Duydcf69262014-11-30 15:24:27 +0700780 char *url;
Jeff Kingf9327292015-08-10 05:38:57 -0400781 const char *filename = dry_run ? "/dev/null" : git_path_fetch_head();
Jeff King900f2812013-05-11 18:15:59 +0200782 int want_status;
Junio C Hamano11fd66d2016-10-21 15:28:07 -0700783 int summary_width = transport_summary_width(ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400784
André Goddard Rosad6617c72007-11-22 20:22:23 -0200785 fp = fopen(filename, "a");
786 if (!fp)
Nguyễn Thái Ngọc Duy6da31d72016-05-08 16:47:26 +0700787 return error_errno(_("cannot open %s"), filename);
Andreas Ericsson47abd852009-04-17 10:20:11 +0200788
Daniel Barkalowfb0cc872009-11-18 02:42:22 +0100789 if (raw_url)
790 url = transport_anonymize_url(raw_url);
791 else
792 url = xstrdup("foreign");
Junio C Hamano6b67e0d2011-09-01 15:43:35 -0700793
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700794 rm = ref_map;
Jeff King7043c702016-07-15 06:30:40 -0400795 if (check_connected(iterate_ref_map, &rm, NULL)) {
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800796 rc = error(_("%s did not send all necessary objects\n"), url);
797 goto abort;
798 }
Junio C Hamano6b67e0d2011-09-01 15:43:35 -0700799
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200800 prepare_format_display(ref_map);
801
Joey Hess96890f42011-12-26 12:16:56 -0400802 /*
Jeff King900f2812013-05-11 18:15:59 +0200803 * We do a pass for each fetch_head_status type in their enum order, so
804 * merged entries are written before not-for-merge. That lets readers
805 * use FETCH_HEAD as a refname to refer to the ref to be merged.
Joey Hess96890f42011-12-26 12:16:56 -0400806 */
Jeff King900f2812013-05-11 18:15:59 +0200807 for (want_status = FETCH_HEAD_MERGE;
808 want_status <= FETCH_HEAD_IGNORE;
809 want_status++) {
Joey Hess96890f42011-12-26 12:16:56 -0400810 for (rm = ref_map; rm; rm = rm->next) {
811 struct ref *ref = NULL;
Jeff King900f2812013-05-11 18:15:59 +0200812 const char *merge_status_marker = "";
Daniel Barkalowb888d612007-09-10 23:03:25 -0400813
Nguyễn Thái Ngọc Duy4820a332013-12-05 20:02:40 +0700814 if (rm->status == REF_STATUS_REJECT_SHALLOW) {
815 if (want_status == FETCH_HEAD_MERGE)
816 warning(_("reject %s because shallow roots are not allowed to be updated"),
817 rm->peer_ref ? rm->peer_ref->name : rm->name);
818 continue;
819 }
820
brian m. carlsonbc832662017-05-06 22:10:10 +0000821 commit = lookup_commit_reference_gently(&rm->old_oid,
822 1);
Joey Hess96890f42011-12-26 12:16:56 -0400823 if (!commit)
Jeff King900f2812013-05-11 18:15:59 +0200824 rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400825
Jeff King900f2812013-05-11 18:15:59 +0200826 if (rm->fetch_head_status != want_status)
Joey Hess96890f42011-12-26 12:16:56 -0400827 continue;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400828
Joey Hess96890f42011-12-26 12:16:56 -0400829 if (rm->peer_ref) {
Jeff King6f687c22015-09-24 17:08:09 -0400830 ref = alloc_ref(rm->peer_ref->name);
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000831 oidcpy(&ref->old_oid, &rm->peer_ref->old_oid);
832 oidcpy(&ref->new_oid, &rm->old_oid);
Joey Hess96890f42011-12-26 12:16:56 -0400833 ref->force = rm->peer_ref->force;
Nicolas Pitre165f3902007-11-03 01:32:48 -0400834 }
Joey Hess96890f42011-12-26 12:16:56 -0400835
836
837 if (!strcmp(rm->name, "HEAD")) {
838 kind = "";
839 what = "";
840 }
Christian Couder59556542013-11-30 21:55:40 +0100841 else if (starts_with(rm->name, "refs/heads/")) {
Joey Hess96890f42011-12-26 12:16:56 -0400842 kind = "branch";
843 what = rm->name + 11;
844 }
Christian Couder59556542013-11-30 21:55:40 +0100845 else if (starts_with(rm->name, "refs/tags/")) {
Joey Hess96890f42011-12-26 12:16:56 -0400846 kind = "tag";
847 what = rm->name + 10;
848 }
Christian Couder59556542013-11-30 21:55:40 +0100849 else if (starts_with(rm->name, "refs/remotes/")) {
Joey Hess96890f42011-12-26 12:16:56 -0400850 kind = "remote-tracking branch";
851 what = rm->name + 13;
852 }
853 else {
854 kind = "";
855 what = rm->name;
856 }
857
858 url_len = strlen(url);
859 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
860 ;
861 url_len = i + 1;
862 if (4 < i && !strncmp(".git", url + i - 3, 4))
863 url_len = i - 3;
864
865 strbuf_reset(&note);
866 if (*what) {
867 if (*kind)
868 strbuf_addf(&note, "%s ", kind);
869 strbuf_addf(&note, "'%s' of ", what);
870 }
Jeff King900f2812013-05-11 18:15:59 +0200871 switch (rm->fetch_head_status) {
872 case FETCH_HEAD_NOT_FOR_MERGE:
873 merge_status_marker = "not-for-merge";
874 /* fall-through */
875 case FETCH_HEAD_MERGE:
876 fprintf(fp, "%s\t%s\t%s",
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000877 oid_to_hex(&rm->old_oid),
Jeff King900f2812013-05-11 18:15:59 +0200878 merge_status_marker,
879 note.buf);
880 for (i = 0; i < url_len; ++i)
881 if ('\n' == url[i])
882 fputs("\\n", fp);
883 else
884 fputc(url[i], fp);
885 fputc('\n', fp);
886 break;
887 default:
888 /* do not write anything to FETCH_HEAD */
889 break;
890 }
Joey Hess96890f42011-12-26 12:16:56 -0400891
892 strbuf_reset(&note);
893 if (ref) {
Junio C Hamano901f3d42016-10-21 15:22:55 -0700894 rc |= update_local_ref(ref, what, rm, &note,
895 summary_width);
Joey Hess96890f42011-12-26 12:16:56 -0400896 free(ref);
897 } else
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200898 format_display(&note, '*',
899 *kind ? kind : "branch", NULL,
900 *what ? what : "HEAD",
Junio C Hamano901f3d42016-10-21 15:22:55 -0700901 "FETCH_HEAD", summary_width);
Joey Hess96890f42011-12-26 12:16:56 -0400902 if (note.len) {
903 if (verbosity >= 0 && !shown_url) {
904 fprintf(stderr, _("From %.*s\n"),
905 url_len, url);
906 shown_url = 1;
907 }
908 if (verbosity >= 0)
909 fprintf(stderr, " %s\n", note.buf);
910 }
Nicolas Pitre165f3902007-11-03 01:32:48 -0400911 }
Daniel Barkalowb888d612007-09-10 23:03:25 -0400912 }
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800913
Jeff Kingfa250752009-05-25 06:40:54 -0400914 if (rc & STORE_REF_ERROR_DF_CONFLICT)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +0000915 error(_("some local refs could not be updated; try running\n"
Jeff Kingf3cb1692008-06-27 00:01:41 -0400916 " 'git remote prune %s' to remove any old, conflicting "
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +0000917 "branches"), remote_name);
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800918
919 abort:
Jeff King5914f2d2011-12-08 03:43:19 -0500920 strbuf_release(&note);
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800921 free(url);
922 fclose(fp);
Dmitry V. Levinefb98b42008-05-28 19:29:36 +0400923 return rc;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400924}
925
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500926/*
927 * We would want to bypass the object transfer altogether if
Johan Herlandd9eb0202009-07-10 01:52:30 +0200928 * everything we are going to fetch already exists and is connected
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500929 * locally.
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500930 */
931static int quickfetch(struct ref *ref_map)
932{
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700933 struct ref *rm = ref_map;
Jeff King7043c702016-07-15 06:30:40 -0400934 struct check_connected_options opt = CHECK_CONNECTED_INIT;
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700935
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500936 /*
937 * If we are deepening a shallow clone we already have these
938 * objects reachable. Running rev-list here will return with
939 * a good (0) exit status and we'll bypass the fetch that we
940 * really need to perform. Claiming failure now will ensure
941 * we perform the network exchange to deepen our history.
942 */
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +0700943 if (deepen)
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500944 return -1;
Jeff King7043c702016-07-15 06:30:40 -0400945 opt.quiet = 1;
946 return check_connected(iterate_ref_map, &rm, &opt);
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500947}
948
Brandon Williams989b8c42018-06-27 15:30:22 -0700949static int fetch_refs(struct transport *transport, struct ref *ref_map,
950 struct ref **updated_remote_refs)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400951{
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500952 int ret = quickfetch(ref_map);
953 if (ret)
Brandon Williams989b8c42018-06-27 15:30:22 -0700954 ret = transport_fetch_refs(transport, ref_map,
955 updated_remote_refs);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400956 if (!ret)
Brandon Williams05c44222018-06-27 15:30:20 -0700957 /*
958 * Keep the new pack's ".keep" file around to allow the caller
959 * time to update refs to reference the new objects.
960 */
961 return 0;
962 transport_unlock_pack(transport);
963 return ret;
964}
965
966/* Update local refs based on the ref values fetched from a remote */
967static int consume_refs(struct transport *transport, struct ref *ref_map)
968{
969 int ret = store_updated_refs(transport->url,
970 transport->remote->name,
971 ref_map);
Shawn O. Pearce1788c392007-09-14 03:31:23 -0400972 transport_unlock_pack(transport);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400973 return ret;
974}
975
Brandon Williamsdef11e72018-05-16 15:58:09 -0700976static int prune_refs(struct refspec *rs, struct ref *ref_map,
977 const char *raw_url)
Jay Soffianf360d842009-11-10 09:15:47 +0100978{
Tom Miller4b3b33a2014-01-02 20:28:51 -0600979 int url_len, i, result = 0;
Brandon Williamsa2ac50c2018-05-16 15:58:10 -0700980 struct ref *ref, *stale_refs = get_stale_heads(rs, ref_map);
Tom Miller4b3b33a2014-01-02 20:28:51 -0600981 char *url;
Junio C Hamano11fd66d2016-10-21 15:28:07 -0700982 int summary_width = transport_summary_width(stale_refs);
Jay Soffianf360d842009-11-10 09:15:47 +0100983 const char *dangling_msg = dry_run
Nguyễn Thái Ngọc Duy18986d52012-04-23 19:30:25 +0700984 ? _(" (%s will become dangling)")
985 : _(" (%s has become dangling)");
Jay Soffianf360d842009-11-10 09:15:47 +0100986
Tom Miller4b3b33a2014-01-02 20:28:51 -0600987 if (raw_url)
988 url = transport_anonymize_url(raw_url);
989 else
990 url = xstrdup("foreign");
991
992 url_len = strlen(url);
993 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
994 ;
995
996 url_len = i + 1;
997 if (4 < i && !strncmp(".git", url + i - 3, 4))
998 url_len = i - 3;
999
Michael Haggertya087b432015-06-22 16:02:59 +02001000 if (!dry_run) {
1001 struct string_list refnames = STRING_LIST_INIT_NODUP;
1002
1003 for (ref = stale_refs; ref; ref = ref->next)
1004 string_list_append(&refnames, ref->name);
1005
Michael Haggerty64da4192017-05-22 16:17:38 +02001006 result = delete_refs("fetch: prune", &refnames, 0);
Michael Haggertya087b432015-06-22 16:02:59 +02001007 string_list_clear(&refnames, 0);
1008 }
1009
1010 if (verbosity >= 0) {
1011 for (ref = stale_refs; ref; ref = ref->next) {
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +02001012 struct strbuf sb = STRBUF_INIT;
Michael Haggertya087b432015-06-22 16:02:59 +02001013 if (!shown_url) {
1014 fprintf(stderr, _("From %.*s\n"), url_len, url);
1015 shown_url = 1;
1016 }
Nguyễn Thái Ngọc Duy2cb040b2016-06-26 07:58:08 +02001017 format_display(&sb, '-', _("[deleted]"), NULL,
Junio C Hamano901f3d42016-10-21 15:22:55 -07001018 _("(none)"), prettify_refname(ref->name),
1019 summary_width);
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +02001020 fprintf(stderr, " %s\n",sb.buf);
1021 strbuf_release(&sb);
Jay Soffianf360d842009-11-10 09:15:47 +01001022 warn_dangling_symref(stderr, dangling_msg, ref->name);
1023 }
1024 }
Michael Haggertya087b432015-06-22 16:02:59 +02001025
Tom Miller4b3b33a2014-01-02 20:28:51 -06001026 free(url);
Jay Soffianf360d842009-11-10 09:15:47 +01001027 free_refs(stale_refs);
1028 return result;
1029}
1030
Johannes Schindelin8ee5d732008-10-13 11:36:52 +02001031static void check_not_current_branch(struct ref *ref_map)
1032{
1033 struct branch *current_branch = branch_get(NULL);
1034
1035 if (is_bare_repository() || !current_branch)
1036 return;
1037
1038 for (; ref_map; ref_map = ref_map->next)
1039 if (ref_map->peer_ref && !strcmp(current_branch->refname,
1040 ref_map->peer_ref->name))
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001041 die(_("Refusing to fetch into current branch %s "
1042 "of non-bare repository"), current_branch->refname);
Johannes Schindelin8ee5d732008-10-13 11:36:52 +02001043}
1044
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001045static int truncate_fetch_head(void)
1046{
Jeff Kingf9327292015-08-10 05:38:57 -04001047 const char *filename = git_path_fetch_head();
Johannes Schindelinea565182016-01-11 19:35:54 +01001048 FILE *fp = fopen_for_writing(filename);
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001049
1050 if (!fp)
Nguyễn Thái Ngọc Duy6da31d72016-05-08 16:47:26 +07001051 return error_errno(_("cannot open %s"), filename);
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001052 fclose(fp);
1053 return 0;
1054}
1055
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001056static void set_option(struct transport *transport, const char *name, const char *value)
1057{
1058 int r = transport_set_option(transport, name, value);
1059 if (r < 0)
1060 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1061 name, value, transport->url);
1062 if (r > 0)
1063 warning(_("Option \"%s\" is ignored for %s\n"),
1064 name, transport->url);
1065}
1066
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001067static struct transport *prepare_transport(struct remote *remote, int deepen)
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001068{
1069 struct transport *transport;
1070 transport = transport_get(remote, NULL);
1071 transport_set_verbosity(transport, verbosity, progress);
Eric Wongc915f112016-02-03 04:09:14 +00001072 transport->family = family;
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001073 if (upload_pack)
1074 set_option(transport, TRANS_OPT_UPLOADPACK, upload_pack);
1075 if (keep)
1076 set_option(transport, TRANS_OPT_KEEP, "yes");
1077 if (depth)
1078 set_option(transport, TRANS_OPT_DEPTH, depth);
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001079 if (deepen && deepen_since)
1080 set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001081 if (deepen && deepen_not.nr)
1082 set_option(transport, TRANS_OPT_DEEPEN_NOT,
1083 (const char *)&deepen_not);
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +07001084 if (deepen_relative)
1085 set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
Nguyễn Thái Ngọc Duy48d25ca2013-12-05 20:02:42 +07001086 if (update_shallow)
1087 set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001088 if (filter_options.choice) {
1089 set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
1090 filter_options.filter_spec);
1091 set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
1092 }
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001093 return transport;
1094}
1095
Junio C Hamano069d5032013-08-07 15:14:45 -07001096static void backfill_tags(struct transport *transport, struct ref *ref_map)
1097{
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001098 int cannot_reuse;
1099
1100 /*
1101 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1102 * when remote helper is used (setting it to an empty string
1103 * is not unsetting). We could extend the remote helper
1104 * protocol for that, but for now, just force a new connection
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001105 * without deepen-since. Similar story for deepen-not.
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001106 */
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001107 cannot_reuse = transport->cannot_reuse ||
1108 deepen_since || deepen_not.nr;
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001109 if (cannot_reuse) {
1110 gsecondary = prepare_transport(transport->remote, 0);
Junio C Hamanob26ed432013-08-07 15:47:18 -07001111 transport = gsecondary;
1112 }
1113
Junio C Hamano069d5032013-08-07 15:14:45 -07001114 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
1115 transport_set_option(transport, TRANS_OPT_DEPTH, "0");
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +07001116 transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
Brandon Williams989b8c42018-06-27 15:30:22 -07001117 if (!fetch_refs(transport, ref_map, NULL))
Brandon Williams05c44222018-06-27 15:30:20 -07001118 consume_refs(transport, ref_map);
Junio C Hamanob26ed432013-08-07 15:47:18 -07001119
1120 if (gsecondary) {
1121 transport_disconnect(gsecondary);
1122 gsecondary = NULL;
1123 }
Junio C Hamano069d5032013-08-07 15:14:45 -07001124}
1125
Daniel Barkalowb888d612007-09-10 23:03:25 -04001126static int do_fetch(struct transport *transport,
Brandon Williams65a13012018-05-16 15:58:07 -07001127 struct refspec *rs)
Daniel Barkalowb888d612007-09-10 23:03:25 -04001128{
Shawn O. Pearce7f984282008-03-02 21:34:43 -05001129 struct ref *ref_map;
Daniel Barkalowb888d612007-09-10 23:03:25 -04001130 int autotags = (transport->remote->fetch_tags == 1);
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001131 int retcode = 0;
Brandon Williams6d1700d2018-06-27 15:30:21 -07001132 const struct ref *remote_refs;
Brandon Williams989b8c42018-06-27 15:30:22 -07001133 struct ref *updated_remote_refs = NULL;
Brandon Williams6d1700d2018-06-27 15:30:21 -07001134 struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
Julian Phillipsb1a01e12009-10-25 21:28:12 +00001135
Daniel Johnsoned368542010-08-11 18:57:20 -04001136 if (tags == TAGS_DEFAULT) {
1137 if (transport->remote->fetch_tags == 2)
1138 tags = TAGS_SET;
1139 if (transport->remote->fetch_tags == -1)
1140 tags = TAGS_UNSET;
1141 }
Daniel Barkalowb888d612007-09-10 23:03:25 -04001142
Daniel Barkalowb888d612007-09-10 23:03:25 -04001143 /* if not appending, truncate FETCH_HEAD */
Jay Soffian28a15402009-11-10 09:19:43 +01001144 if (!append && !dry_run) {
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001145 retcode = truncate_fetch_head();
1146 if (retcode)
1147 goto cleanup;
André Goddard Rosad6617c72007-11-22 20:22:23 -02001148 }
Daniel Barkalowb888d612007-09-10 23:03:25 -04001149
Brandon Williams6d1700d2018-06-27 15:30:21 -07001150 if (rs->nr)
1151 refspec_ref_prefixes(rs, &ref_prefixes);
1152 else if (transport->remote && transport->remote->fetch.nr)
1153 refspec_ref_prefixes(&transport->remote->fetch, &ref_prefixes);
1154
1155 if (ref_prefixes.argc &&
1156 (tags == TAGS_SET || (tags == TAGS_DEFAULT && !rs->nr))) {
1157 argv_array_push(&ref_prefixes, "refs/tags/");
1158 }
1159
1160 remote_refs = transport_get_remote_refs(transport, &ref_prefixes);
1161 argv_array_clear(&ref_prefixes);
1162
1163 ref_map = get_ref_map(transport->remote, remote_refs, rs,
1164 tags, &autotags);
Johannes Schindelin8ee5d732008-10-13 11:36:52 +02001165 if (!update_head_ok)
1166 check_not_current_branch(ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001167
Shawn O. Pearce41fa7d22008-03-03 22:27:40 -05001168 if (tags == TAGS_DEFAULT && autotags)
1169 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
Carlos Martín Nietoed43de62011-10-15 07:04:25 +02001170 if (prune) {
Michael Haggerty0838bf42013-10-30 06:33:00 +01001171 /*
1172 * We only prune based on refspecs specified
1173 * explicitly (via command line or configuration); we
1174 * don't care whether --tags was specified.
1175 */
Brandon Williams65a13012018-05-16 15:58:07 -07001176 if (rs->nr) {
Brandon Williamsdef11e72018-05-16 15:58:09 -07001177 prune_refs(rs, ref_map, transport->url);
Michael Haggertyc5a84e92013-10-30 06:32:59 +01001178 } else {
Brandon Williamsdef11e72018-05-16 15:58:09 -07001179 prune_refs(&transport->remote->fetch,
Tom Miller4b3b33a2014-01-02 20:28:51 -06001180 ref_map,
1181 transport->url);
Carlos Martín Nietoe8c1e6c2011-10-15 07:04:26 +02001182 }
Carlos Martín Nietoed43de62011-10-15 07:04:25 +02001183 }
Brandon Williams989b8c42018-06-27 15:30:22 -07001184
1185 if (fetch_refs(transport, ref_map, &updated_remote_refs)) {
1186 free_refs(ref_map);
1187 retcode = 1;
1188 goto cleanup;
1189 }
1190 if (updated_remote_refs) {
1191 /*
1192 * Regenerate ref_map using the updated remote refs. This is
1193 * to account for additional information which may be provided
1194 * by the transport (e.g. shallow info).
1195 */
1196 free_refs(ref_map);
1197 ref_map = get_ref_map(transport->remote, updated_remote_refs, rs,
1198 tags, &autotags);
1199 free_refs(updated_remote_refs);
1200 }
1201 if (consume_refs(transport, ref_map)) {
Tom Miller10a6cc82014-01-02 20:28:52 -06001202 free_refs(ref_map);
1203 retcode = 1;
1204 goto cleanup;
1205 }
Shawn O. Pearce7f984282008-03-02 21:34:43 -05001206 free_refs(ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001207
1208 /* if neither --no-tags nor --tags was specified, do automated tag
1209 * following ... */
Kristian Høgsberg83201992007-12-04 02:25:47 -05001210 if (tags == TAGS_DEFAULT && autotags) {
Shawn O. Pearcec50b2b42008-03-02 21:35:00 -05001211 struct ref **tail = &ref_map;
1212 ref_map = NULL;
Brandon Williams6d1700d2018-06-27 15:30:21 -07001213 find_non_local_tags(remote_refs, &ref_map, &tail);
Junio C Hamano069d5032013-08-07 15:14:45 -07001214 if (ref_map)
1215 backfill_tags(transport, ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001216 free_refs(ref_map);
1217 }
1218
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001219 cleanup:
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001220 return retcode;
Daniel Barkalowb888d612007-09-10 23:03:25 -04001221}
1222
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001223static int get_one_remote_for_fetch(struct remote *remote, void *priv)
Daniel Barkalowb888d612007-09-10 23:03:25 -04001224{
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001225 struct string_list *list = priv;
Björn Gustavsson7cc91a22009-11-09 21:11:06 +01001226 if (!remote->skip_default_update)
Julian Phillips1d2f80f2010-06-26 00:41:38 +01001227 string_list_append(list, remote->name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001228 return 0;
1229}
1230
1231struct remote_group_data {
1232 const char *name;
1233 struct string_list *list;
1234};
1235
1236static int get_remote_group(const char *key, const char *value, void *priv)
1237{
1238 struct remote_group_data *g = priv;
1239
Michael Haggertybc598c32015-07-28 23:08:21 +02001240 if (skip_prefix(key, "remotes.", &key) && !strcmp(key, g->name)) {
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001241 /* split list by white space */
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001242 while (*value) {
Michael Haggerty5f654992015-07-28 23:08:20 +02001243 size_t wordlen = strcspn(value, " \t\n");
1244
Michael Haggertye2865422015-07-28 23:08:19 +02001245 if (wordlen >= 1)
Keith McGuiganb7410f62016-06-14 14:28:56 -04001246 string_list_append_nodup(g->list,
Michael Haggertye2865422015-07-28 23:08:19 +02001247 xstrndup(value, wordlen));
1248 value += wordlen + (value[wordlen] != '\0');
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001249 }
1250 }
1251
1252 return 0;
1253}
1254
1255static int add_remote_or_group(const char *name, struct string_list *list)
1256{
1257 int prev_nr = list->nr;
Gary V. Vaughan66dbfd52010-05-14 09:31:33 +00001258 struct remote_group_data g;
1259 g.name = name; g.list = list;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001260
1261 git_config(get_remote_group, &g);
1262 if (list->nr == prev_nr) {
Thomas Gummerer674468b2016-02-16 10:47:50 +01001263 struct remote *remote = remote_get(name);
Johannes Schindeline459b072017-01-19 22:20:02 +01001264 if (!remote_is_configured(remote, 0))
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001265 return 0;
Julian Phillips1d2f80f2010-06-26 00:41:38 +01001266 string_list_append(list, remote->name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001267 }
1268 return 1;
1269}
1270
Jeff King85556d42012-09-01 07:27:35 -04001271static void add_options_to_argv(struct argv_array *argv)
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001272{
1273 if (dry_run)
Jeff King85556d42012-09-01 07:27:35 -04001274 argv_array_push(argv, "--dry-run");
Michael Haggerty90765fa2013-10-30 06:33:04 +01001275 if (prune != -1)
1276 argv_array_push(argv, prune ? "--prune" : "--no-prune");
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001277 if (prune_tags != -1)
1278 argv_array_push(argv, prune_tags ? "--prune-tags" : "--no-prune-tags");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001279 if (update_head_ok)
Jeff King85556d42012-09-01 07:27:35 -04001280 argv_array_push(argv, "--update-head-ok");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001281 if (force)
Jeff King85556d42012-09-01 07:27:35 -04001282 argv_array_push(argv, "--force");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001283 if (keep)
Jeff King85556d42012-09-01 07:27:35 -04001284 argv_array_push(argv, "--keep");
Jens Lehmannbe254a02010-11-11 00:55:02 +01001285 if (recurse_submodules == RECURSE_SUBMODULES_ON)
Jeff King85556d42012-09-01 07:27:35 -04001286 argv_array_push(argv, "--recurse-submodules");
Jens Lehmann8f0700d2011-03-06 23:11:21 +01001287 else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
Jeff King85556d42012-09-01 07:27:35 -04001288 argv_array_push(argv, "--recurse-submodules=on-demand");
Dan Johnson85566462012-09-05 17:22:19 -04001289 if (tags == TAGS_SET)
1290 argv_array_push(argv, "--tags");
1291 else if (tags == TAGS_UNSET)
1292 argv_array_push(argv, "--no-tags");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001293 if (verbosity >= 2)
Jeff King85556d42012-09-01 07:27:35 -04001294 argv_array_push(argv, "-v");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001295 if (verbosity >= 1)
Jeff King85556d42012-09-01 07:27:35 -04001296 argv_array_push(argv, "-v");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001297 else if (verbosity < 0)
Jeff King85556d42012-09-01 07:27:35 -04001298 argv_array_push(argv, "-q");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001299
1300}
1301
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001302static int fetch_multiple(struct string_list *list)
1303{
1304 int i, result = 0;
Jeff King85556d42012-09-01 07:27:35 -04001305 struct argv_array argv = ARGV_ARRAY_INIT;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001306
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001307 if (!append && !dry_run) {
1308 int errcode = truncate_fetch_head();
1309 if (errcode)
1310 return errcode;
1311 }
1312
Jeff King85556d42012-09-01 07:27:35 -04001313 argv_array_pushl(&argv, "fetch", "--append", NULL);
1314 add_options_to_argv(&argv);
1315
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001316 for (i = 0; i < list->nr; i++) {
1317 const char *name = list->items[i].string;
Jeff King85556d42012-09-01 07:27:35 -04001318 argv_array_push(&argv, name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001319 if (verbosity >= 0)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001320 printf(_("Fetching %s\n"), name);
Jeff King85556d42012-09-01 07:27:35 -04001321 if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001322 error(_("Could not fetch %s"), name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001323 result = 1;
1324 }
Jeff King85556d42012-09-01 07:27:35 -04001325 argv_array_pop(&argv);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001326 }
1327
Jeff King85556d42012-09-01 07:27:35 -04001328 argv_array_clear(&argv);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001329 return result;
1330}
1331
Jeff Hostetleraa57b872017-12-08 15:58:50 +00001332/*
1333 * Fetching from the promisor remote should use the given filter-spec
1334 * or inherit the default filter-spec from the config.
1335 */
1336static inline void fetch_one_setup_partial(struct remote *remote)
1337{
1338 /*
1339 * Explicit --no-filter argument overrides everything, regardless
1340 * of any prior partial clones and fetches.
1341 */
1342 if (filter_options.no_filter)
1343 return;
1344
1345 /*
1346 * If no prior partial clone/fetch and the current fetch DID NOT
1347 * request a partial-fetch, do a normal fetch.
1348 */
1349 if (!repository_format_partial_clone && !filter_options.choice)
1350 return;
1351
1352 /*
1353 * If this is the FIRST partial-fetch request, we enable partial
1354 * on this repo and remember the given filter-spec as the default
1355 * for subsequent fetches to this remote.
1356 */
1357 if (!repository_format_partial_clone && filter_options.choice) {
1358 partial_clone_register(remote->name, &filter_options);
1359 return;
1360 }
1361
1362 /*
1363 * We are currently limited to only ONE promisor remote and only
1364 * allow partial-fetches from the promisor remote.
1365 */
1366 if (strcmp(remote->name, repository_format_partial_clone)) {
1367 if (filter_options.choice)
1368 die(_("--filter can only be used with the remote configured in core.partialClone"));
1369 return;
1370 }
1371
1372 /*
1373 * Do a partial-fetch from the promisor remote using either the
1374 * explicitly given filter-spec or inherit the filter-spec from
1375 * the config.
1376 */
1377 if (!filter_options.choice)
1378 partial_clone_get_default_filter_spec(&filter_options);
1379 return;
1380}
1381
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001382static int fetch_one(struct remote *remote, int argc, const char **argv, int prune_tags_ok)
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001383{
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001384 struct refspec rs = REFSPEC_INIT_FETCH;
1385 int i;
Alex Riesen7b7f39e2008-04-28 22:23:35 +02001386 int exit_code;
Ævar Arnfjörð Bjarmason63179722018-02-09 20:32:16 +00001387 int maybe_prune_tags;
1388 int remote_via_config = remote_is_configured(remote, 0);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001389
Daniel Barkalowfa685bd2009-03-11 01:47:20 -04001390 if (!remote)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001391 die(_("No remote repository specified. Please, specify either a URL or a\n"
1392 "remote name from which new revisions should be fetched."));
Daniel Barkalowfa685bd2009-03-11 01:47:20 -04001393
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001394 gtransport = prepare_transport(remote, 1);
Michael Schubert737c5a92013-07-13 11:36:24 +02001395
1396 if (prune < 0) {
1397 /* no command line request */
Ævar Arnfjörð Bjarmason07118832018-02-09 20:32:02 +00001398 if (0 <= remote->prune)
1399 prune = remote->prune;
Michael Schubert737c5a92013-07-13 11:36:24 +02001400 else if (0 <= fetch_prune_config)
1401 prune = fetch_prune_config;
1402 else
1403 prune = PRUNE_BY_DEFAULT;
1404 }
1405
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001406 if (prune_tags < 0) {
1407 /* no command line request */
1408 if (0 <= remote->prune_tags)
1409 prune_tags = remote->prune_tags;
1410 else if (0 <= fetch_prune_tags_config)
1411 prune_tags = fetch_prune_tags_config;
1412 else
1413 prune_tags = PRUNE_TAGS_BY_DEFAULT;
1414 }
1415
Ævar Arnfjörð Bjarmason63179722018-02-09 20:32:16 +00001416 maybe_prune_tags = prune_tags_ok && prune_tags;
1417 if (maybe_prune_tags && remote_via_config)
Brandon Williams95303502018-05-16 15:58:02 -07001418 refspec_append(&remote->fetch, TAG_REFSPEC);
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001419
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001420 if (maybe_prune_tags && (argc || !remote_via_config))
1421 refspec_append(&rs, TAG_REFSPEC);
Ævar Arnfjörð Bjarmason63179722018-02-09 20:32:16 +00001422
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001423 for (i = 0; i < argc; i++) {
1424 if (!strcmp(argv[i], "tag")) {
1425 char *tag;
1426 i++;
1427 if (i >= argc)
1428 die(_("You need to specify a tag name."));
1429
1430 tag = xstrfmt("refs/tags/%s:refs/tags/%s",
1431 argv[i], argv[i]);
1432 refspec_append(&rs, tag);
1433 free(tag);
1434 } else {
1435 refspec_append(&rs, argv[i]);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001436 }
Daniel Barkalowb888d612007-09-10 23:03:25 -04001437 }
1438
Brandon Williams5e3548e2018-04-23 15:46:24 -07001439 if (server_options.nr)
1440 gtransport->server_options = &server_options;
1441
Jeff King57b235a2009-01-22 01:03:08 -05001442 sigchain_push_common(unlock_pack_on_signal);
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -04001443 atexit(unlock_pack);
Brandon Williams65a13012018-05-16 15:58:07 -07001444 exit_code = do_fetch(gtransport, &rs);
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001445 refspec_clear(&rs);
Junio C Hamanoaf234452013-08-07 15:38:45 -07001446 transport_disconnect(gtransport);
1447 gtransport = NULL;
Alex Riesen7b7f39e2008-04-28 22:23:35 +02001448 return exit_code;
Daniel Barkalowb888d612007-09-10 23:03:25 -04001449}
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001450
1451int cmd_fetch(int argc, const char **argv, const char *prefix)
1452{
1453 int i;
Keith McGuiganb7410f62016-06-14 14:28:56 -04001454 struct string_list list = STRING_LIST_INIT_DUP;
Jonathan Tana1743342017-12-08 15:58:43 +00001455 struct remote *remote = NULL;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001456 int result = 0;
Junio C Hamanoc1a79022018-03-06 14:54:01 -08001457 int prune_tags_ok = 1;
Nguyễn Thái Ngọc Duy19910062014-08-16 08:19:27 +07001458 struct argv_array argv_gc_auto = ARGV_ARRAY_INIT;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001459
Jeff Kingbbc30f92011-02-24 09:30:19 -05001460 packet_trace_identity("fetch");
1461
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001462 fetch_if_missing = 0;
1463
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001464 /* Record the command line for the reflog */
1465 strbuf_addstr(&default_rla, "fetch");
1466 for (i = 1; i < argc; i++)
1467 strbuf_addf(&default_rla, " %s", argv[i]);
1468
Brandon Williamsf20e7c12017-08-02 12:49:18 -07001469 config_from_gitmodules(gitmodules_fetch_config, NULL);
Michael Schubert737c5a92013-07-13 11:36:24 +02001470 git_config(git_fetch_config, NULL);
1471
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001472 argc = parse_options(argc, argv, prefix,
1473 builtin_fetch_options, builtin_fetch_usage, 0);
1474
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +07001475 if (deepen_relative) {
1476 if (deepen_relative < 0)
1477 die(_("Negative depth in --deepen is not supported"));
1478 if (depth)
1479 die(_("--deepen and --depth are mutually exclusive"));
1480 depth = xstrfmt("%d", deepen_relative);
1481 }
Nguyễn Thái Ngọc Duy4dcb1672013-01-11 16:05:46 +07001482 if (unshallow) {
1483 if (depth)
1484 die(_("--depth and --unshallow cannot be used together"));
1485 else if (!is_repository_shallow())
1486 die(_("--unshallow on a complete repository does not make sense"));
Jeff King2805bb52015-09-24 17:07:07 -04001487 else
1488 depth = xstrfmt("%d", INFINITE_DEPTH);
Nguyễn Thái Ngọc Duy4dcb1672013-01-11 16:05:46 +07001489 }
1490
Nguyễn Thái Ngọc Duy5594bca2013-12-05 10:31:11 +07001491 /* no need to be strict, transport_set_option() will validate it again */
1492 if (depth && atoi(depth) < 1)
1493 die(_("depth %s is not a positive number"), depth);
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001494 if (depth || deepen_since || deepen_not.nr)
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001495 deepen = 1;
Nguyễn Thái Ngọc Duy5594bca2013-12-05 10:31:11 +07001496
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001497 if (filter_options.choice && !repository_format_partial_clone)
1498 die("--filter can only be used when extensions.partialClone is set");
1499
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001500 if (all) {
1501 if (argc == 1)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001502 die(_("fetch --all does not take a repository argument"));
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001503 else if (argc > 1)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001504 die(_("fetch --all does not make sense with refspecs"));
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001505 (void) for_each_remote(get_one_remote_for_fetch, &list);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001506 } else if (argc == 0) {
1507 /* No arguments -- use default remote */
1508 remote = remote_get(NULL);
Björn Gustavsson16679e32009-11-09 21:10:32 +01001509 } else if (multiple) {
1510 /* All arguments are assumed to be remotes or groups */
1511 for (i = 0; i < argc; i++)
1512 if (!add_remote_or_group(argv[i], &list))
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001513 die(_("No such remote or remote group: %s"), argv[i]);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001514 } else {
1515 /* Single remote or group */
1516 (void) add_remote_or_group(argv[0], &list);
1517 if (list.nr > 1) {
1518 /* More than one remote */
1519 if (argc > 1)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001520 die(_("Fetching a group and specifying refspecs does not make sense"));
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001521 } else {
1522 /* Zero or one remotes */
1523 remote = remote_get(argv[0]);
Junio C Hamanoc1a79022018-03-06 14:54:01 -08001524 prune_tags_ok = (argc == 1);
Jonathan Tana1743342017-12-08 15:58:43 +00001525 argc--;
1526 argv++;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001527 }
1528 }
1529
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001530 if (remote) {
Jeff Hostetleraa57b872017-12-08 15:58:50 +00001531 if (filter_options.choice || repository_format_partial_clone)
1532 fetch_one_setup_partial(remote);
Junio C Hamanoc1a79022018-03-06 14:54:01 -08001533 result = fetch_one(remote, argc, argv, prune_tags_ok);
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001534 } else {
1535 if (filter_options.choice)
1536 die(_("--filter can only be used with the remote configured in core.partialClone"));
Jeff Hostetleraa57b872017-12-08 15:58:50 +00001537 /* TODO should this also die if we have a previous partial-clone? */
Jonathan Tana1743342017-12-08 15:58:43 +00001538 result = fetch_multiple(&list);
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001539 }
Jonathan Tana1743342017-12-08 15:58:43 +00001540
Jens Lehmannbe254a02010-11-11 00:55:02 +01001541 if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
Jeff King85556d42012-09-01 07:27:35 -04001542 struct argv_array options = ARGV_ARRAY_INIT;
1543
1544 add_options_to_argv(&options);
Brandon Williamse7241972017-12-12 11:53:52 -08001545 result = fetch_populated_submodules(the_repository,
1546 &options,
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001547 submodule_prefix,
Jens Lehmann8f0700d2011-03-06 23:11:21 +01001548 recurse_submodules,
Brandon Williams8fa29152017-08-02 12:49:19 -07001549 recurse_submodules_default,
Stefan Beller62104ba2015-12-15 16:04:12 -08001550 verbosity < 0,
1551 max_children);
Jeff King85556d42012-09-01 07:27:35 -04001552 argv_array_clear(&options);
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001553 }
1554
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001555 string_list_clear(&list, 0);
1556
Stefan Bellerd0b59862018-03-23 18:21:00 +01001557 close_all_packs(the_repository->objects);
Johannes Schindelin0898c962016-01-13 18:20:11 +01001558
Nguyễn Thái Ngọc Duy19910062014-08-16 08:19:27 +07001559 argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
Nguyễn Thái Ngọc Duy6fceed32014-08-16 08:19:28 +07001560 if (verbosity < 0)
1561 argv_array_push(&argv_gc_auto, "--quiet");
Nguyễn Thái Ngọc Duy19910062014-08-16 08:19:27 +07001562 run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD);
1563 argv_array_clear(&argv_gc_auto);
Jeff King131b8fc2013-01-26 17:40:38 -05001564
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001565 return result;
1566}