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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"
Stefan Bellercbd53a22018-05-15 16:42:15 -07009#include "object-store.h"
Daniel Barkalowb888d612007-09-10 23:03:25 -040010#include "commit.h"
11#include "builtin.h"
Johannes Schindelinc455c872008-07-21 19:03:49 +010012#include "string-list.h"
Daniel Barkalowb888d612007-09-10 23:03:25 -040013#include "remote.h"
14#include "transport.h"
Shawn O. Pearce4191c352007-11-11 02:29:47 -050015#include "run-command.h"
Kristian Høgsberg83201992007-12-04 02:25:47 -050016#include "parse-options.h"
Jeff King4a16d072009-01-22 01:02:35 -050017#include "sigchain.h"
Heiko Voigt027771f2015-08-17 17:22:00 -070018#include "submodule-config.h"
Jens Lehmann7dce19d2010-11-12 13:54:52 +010019#include "submodule.h"
Junio C Hamanof96400c2011-09-02 16:33:22 -070020#include "connected.h"
Jeff King85556d42012-09-01 07:27:35 -040021#include "argv-array.h"
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +020022#include "utf8.h"
Jonathan Tan3836d882017-08-18 15:20:21 -070023#include "packfile.h"
Jeff Hostetleracb0c572017-12-08 15:58:44 +000024#include "list-objects-filter-options.h"
Derrick Stolee64043552018-07-20 16:33:04 +000025#include "commit-reach.h"
Daniel Barkalowb888d612007-09-10 23:03:25 -040026
Kristian Høgsberg83201992007-12-04 02:25:47 -050027static const char * const builtin_fetch_usage[] = {
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +070028 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
29 N_("git fetch [<options>] <group>"),
30 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
31 N_("git fetch --all [<options>]"),
Kristian Høgsberg83201992007-12-04 02:25:47 -050032 NULL
33};
Daniel Barkalowb888d612007-09-10 23:03:25 -040034
Kristian Høgsberg83201992007-12-04 02:25:47 -050035enum {
36 TAGS_UNSET = 0,
37 TAGS_DEFAULT = 1,
38 TAGS_SET = 2
39};
40
Michael Schubert737c5a92013-07-13 11:36:24 +020041static int fetch_prune_config = -1; /* unspecified */
42static int prune = -1; /* unspecified */
43#define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
44
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +000045static int fetch_prune_tags_config = -1; /* unspecified */
46static int prune_tags = -1; /* unspecified */
47#define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
48
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +070049static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative;
Stefan Beller8c698322017-06-23 12:13:01 -070050static int progress = -1;
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +070051static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
Brandon Williamsf20e7c12017-08-02 12:49:18 -070052static int max_children = 1;
Eric Wongc915f112016-02-03 04:09:14 +000053static enum transport_family family;
Shawn O. Pearce4191c352007-11-11 02:29:47 -050054static const char *depth;
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +070055static const char *deepen_since;
Kristian Høgsberg83201992007-12-04 02:25:47 -050056static const char *upload_pack;
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +070057static struct string_list deepen_not = STRING_LIST_INIT_NODUP;
Kristian Høgsberg2d324ef2007-12-04 02:25:46 -050058static struct strbuf default_rla = STRBUF_INIT;
Junio C Hamanoaf234452013-08-07 15:38:45 -070059static struct transport *gtransport;
Junio C Hamanob26ed432013-08-07 15:47:18 -070060static struct transport *gsecondary;
Jens Lehmann7dce19d2010-11-12 13:54:52 +010061static const char *submodule_prefix = "";
Stefan Beller8c698322017-06-23 12:13:01 -070062static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
Stefan Bellere8906a92017-06-27 14:31:59 -070063static int recurse_submodules_default = RECURSE_SUBMODULES_ON_DEMAND;
Tom Miller4b3b33a2014-01-02 20:28:51 -060064static int shown_url = 0;
Brandon Williamse4cffac2018-05-16 15:58:05 -070065static struct refspec refmap = REFSPEC_INIT_FETCH;
Jeff Hostetleracb0c572017-12-08 15:58:44 +000066static struct list_objects_filter_options filter_options;
Brandon Williams5e3548e2018-04-23 15:46:24 -070067static struct string_list server_options = STRING_LIST_INIT_DUP;
Jonathan Tan3390e422018-07-02 15:39:44 -070068static struct string_list negotiation_tip = STRING_LIST_INIT_NODUP;
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -040069
Michael Schubert737c5a92013-07-13 11:36:24 +020070static int git_fetch_config(const char *k, const char *v, void *cb)
71{
72 if (!strcmp(k, "fetch.prune")) {
73 fetch_prune_config = git_config_bool(k, v);
74 return 0;
75 }
Stefan Beller58f42032017-05-31 17:30:50 -070076
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +000077 if (!strcmp(k, "fetch.prunetags")) {
78 fetch_prune_tags_config = git_config_bool(k, v);
79 return 0;
80 }
81
Stefan Beller58f42032017-05-31 17:30:50 -070082 if (!strcmp(k, "submodule.recurse")) {
83 int r = git_config_bool(k, v) ?
84 RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
85 recurse_submodules = r;
86 }
87
Brandon Williamsf20e7c12017-08-02 12:49:18 -070088 if (!strcmp(k, "submodule.fetchjobs")) {
89 max_children = parse_submodule_fetchjobs(k, v);
90 return 0;
Brandon Williams8fa29152017-08-02 12:49:19 -070091 } else if (!strcmp(k, "fetch.recursesubmodules")) {
92 recurse_submodules = parse_fetch_recurse_submodules_arg(k, v);
93 return 0;
Brandon Williamsf20e7c12017-08-02 12:49:18 -070094 }
95
Jeff King72549df2014-11-04 08:11:19 -050096 return git_default_config(k, v, cb);
Michael Schubert737c5a92013-07-13 11:36:24 +020097}
98
Junio C Hamanoc5558f82014-05-29 15:21:31 -070099static int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
100{
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700101 /*
102 * "git fetch --refmap='' origin foo"
103 * can be used to tell the command not to store anywhere
104 */
Brandon Williamse4cffac2018-05-16 15:58:05 -0700105 refspec_append(&refmap, arg);
106
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700107 return 0;
108}
109
Kristian Høgsberg83201992007-12-04 02:25:47 -0500110static struct option builtin_fetch_options[] = {
Tuncer Ayaz7f87aff2008-11-15 01:14:24 +0100111 OPT__VERBOSITY(&verbosity),
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200112 OPT_BOOL(0, "all", &all,
113 N_("fetch from all remotes")),
114 OPT_BOOL('a', "append", &append,
115 N_("append to .git/FETCH_HEAD instead of overwriting")),
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700116 OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
117 N_("path to upload pack on remote end")),
Ævar Arnfjörð Bjarmason8cd4b7c2018-08-31 20:09:56 +0000118 OPT__FORCE(&force, N_("force overwrite of local reference"), 0),
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200119 OPT_BOOL('m', "multiple", &multiple,
120 N_("fetch from multiple remotes")),
Kristian Høgsberg83201992007-12-04 02:25:47 -0500121 OPT_SET_INT('t', "tags", &tags,
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700122 N_("fetch all tags and associated objects"), TAGS_SET),
Johannes Schindeline7951292008-03-13 08:13:15 +0100123 OPT_SET_INT('n', NULL, &tags,
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700124 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
Stefan Beller62104ba2015-12-15 16:04:12 -0800125 OPT_INTEGER('j', "jobs", &max_children,
126 N_("number of submodules fetched in parallel")),
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200127 OPT_BOOL('p', "prune", &prune,
128 N_("prune remote-tracking branches no longer on remote")),
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +0000129 OPT_BOOL('P', "prune-tags", &prune_tags,
130 N_("prune local tags no longer on remote and clobber changed tags")),
Stefan Beller886dc152017-06-23 12:13:00 -0700131 { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, N_("on-demand"),
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700132 N_("control recursive fetching of submodules"),
Stefan Beller886dc152017-06-23 12:13:00 -0700133 PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules },
Stefan Bellerd5d09d42013-08-03 13:51:19 +0200134 OPT_BOOL(0, "dry-run", &dry_run,
135 N_("dry run")),
136 OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")),
137 OPT_BOOL('u', "update-head-ok", &update_head_ok,
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700138 N_("allow updating of HEAD ref")),
139 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
140 OPT_STRING(0, "depth", &depth, N_("depth"),
141 N_("deepen history of shallow clone")),
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +0700142 OPT_STRING(0, "shallow-since", &deepen_since, N_("time"),
143 N_("deepen history of shallow repository based on time")),
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +0700144 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not, N_("revision"),
Alex Henrie6d873862016-12-04 15:03:59 -0700145 N_("deepen history of shallow clone, excluding rev")),
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +0700146 OPT_INTEGER(0, "deepen", &deepen_relative,
147 N_("deepen history of shallow clone")),
Nguyễn Thái Ngọc Duy3e4a67b2018-05-20 17:42:58 +0200148 OPT_SET_INT_F(0, "unshallow", &unshallow,
149 N_("convert to a complete repository"),
150 1, PARSE_OPT_NONEG),
Nguyễn Thái Ngọc Duy719aced2012-08-20 19:32:09 +0700151 { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
152 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
Stefan Beller8c698322017-06-23 12:13:01 -0700153 { OPTION_CALLBACK, 0, "recurse-submodules-default",
154 &recurse_submodules_default, N_("on-demand"),
155 N_("default for recursive fetching of submodules "
156 "(lower priority than config files)"),
157 PARSE_OPT_HIDDEN, option_fetch_parse_recurse_submodules },
Nguyễn Thái Ngọc Duy48d25ca2013-12-05 20:02:42 +0700158 OPT_BOOL(0, "update-shallow", &update_shallow,
159 N_("accept refs that update .git/shallow")),
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700160 { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"),
161 N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg },
Brandon Williams5e3548e2018-04-23 15:46:24 -0700162 OPT_STRING_LIST('o', "server-option", &server_options, N_("server-specific"), N_("option to transmit")),
Eric Wongc915f112016-02-03 04:09:14 +0000163 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
164 TRANSPORT_FAMILY_IPV4),
165 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
166 TRANSPORT_FAMILY_IPV6),
Jonathan Tan3390e422018-07-02 15:39:44 -0700167 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip, N_("revision"),
168 N_("report that we have only objects reachable from this object")),
Jeff Hostetleracb0c572017-12-08 15:58:44 +0000169 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
Kristian Høgsberg83201992007-12-04 02:25:47 -0500170 OPT_END()
171};
172
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -0400173static void unlock_pack(void)
174{
Junio C Hamanoaf234452013-08-07 15:38:45 -0700175 if (gtransport)
176 transport_unlock_pack(gtransport);
Junio C Hamanob26ed432013-08-07 15:47:18 -0700177 if (gsecondary)
178 transport_unlock_pack(gsecondary);
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -0400179}
180
181static void unlock_pack_on_signal(int signo)
182{
183 unlock_pack();
Jeff King4a16d072009-01-22 01:02:35 -0500184 sigchain_pop(signo);
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -0400185 raise(signo);
186}
Daniel Barkalowb888d612007-09-10 23:03:25 -0400187
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400188static void add_merge_config(struct ref **head,
Daniel Barkalow45773702007-10-29 21:05:40 -0400189 const struct ref *remote_refs,
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400190 struct branch *branch,
191 struct ref ***tail)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400192{
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400193 int i;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400194
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400195 for (i = 0; i < branch->merge_nr; i++) {
196 struct ref *rm, **old_tail = *tail;
Brandon Williams0ad4a5f2018-05-16 15:57:49 -0700197 struct refspec_item refspec;
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400198
199 for (rm = *head; rm; rm = rm->next) {
200 if (branch_merge_matches(branch, i, rm->name)) {
Jeff King900f2812013-05-11 18:15:59 +0200201 rm->fetch_head_status = FETCH_HEAD_MERGE;
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400202 break;
203 }
Daniel Barkalowb888d612007-09-10 23:03:25 -0400204 }
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400205 if (rm)
206 continue;
207
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700208 /*
Matthieu Moy8b3f3f82010-11-02 16:31:23 +0100209 * Not fetched to a remote-tracking branch? We need to fetch
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400210 * it anyway to allow this branch's "branch.$name.merge"
Heikki Orsila05207a22008-09-09 13:28:30 +0300211 * to be honored by 'git pull', but we do not have to
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700212 * fail if branch.$name.merge is misconfigured to point
213 * at a nonexisting branch. If we were indeed called by
Heikki Orsila05207a22008-09-09 13:28:30 +0300214 * 'git pull', it will notice the misconfiguration because
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700215 * there is no entry in the resulting FETCH_HEAD marked
216 * for merging.
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400217 */
Andreas Gruenbacher8da61a22010-03-12 23:27:33 +0100218 memset(&refspec, 0, sizeof(refspec));
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400219 refspec.src = branch->merge[i]->src;
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700220 get_fetch_map(remote_refs, &refspec, tail, 1);
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400221 for (rm = *old_tail; rm; rm = rm->next)
Jeff King900f2812013-05-11 18:15:59 +0200222 rm->fetch_head_status = FETCH_HEAD_MERGE;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400223 }
224}
225
Michael Haggerty0e0b7de2015-05-25 18:38:35 +0000226static int add_existing(const char *refname, const struct object_id *oid,
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100227 int flag, void *cbdata)
228{
229 struct string_list *list = (struct string_list *)cbdata;
230 struct string_list_item *item = string_list_insert(list, refname);
Michael Haggerty0e0b7de2015-05-25 18:38:35 +0000231 struct object_id *old_oid = xmalloc(sizeof(*old_oid));
232
233 oidcpy(old_oid, oid);
234 item->util = old_oid;
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100235 return 0;
236}
237
238static int will_fetch(struct ref **head, const unsigned char *sha1)
239{
240 struct ref *rm = *head;
241 while (rm) {
Jeff Kinge3ff0682018-08-28 17:22:44 -0400242 if (hasheq(rm->old_oid.hash, sha1))
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100243 return 1;
244 rm = rm->next;
245 }
246 return 0;
247}
248
Brandon Williams6d1700d2018-06-27 15:30:21 -0700249static void find_non_local_tags(const struct ref *refs,
250 struct ref **head,
251 struct ref ***tail)
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100252{
253 struct string_list existing_refs = STRING_LIST_INIT_DUP;
254 struct string_list remote_refs = STRING_LIST_INIT_NODUP;
255 const struct ref *ref;
256 struct string_list_item *item = NULL;
257
Michael Haggerty0e0b7de2015-05-25 18:38:35 +0000258 for_each_ref(add_existing, &existing_refs);
Brandon Williams6d1700d2018-06-27 15:30:21 -0700259 for (ref = refs; ref; ref = ref->next) {
Junio C Hamanoad704482013-12-17 11:47:35 -0800260 if (!starts_with(ref->name, "refs/tags/"))
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100261 continue;
262
263 /*
264 * The peeled ref always follows the matching base
265 * ref, so if we see a peeled ref that we don't want
266 * to fetch then we can mark the ref entry in the list
267 * as one to ignore by setting util to NULL.
268 */
Junio C Hamanoad704482013-12-17 11:47:35 -0800269 if (ends_with(ref->name, "^{}")) {
Jeff King5827a032016-10-13 12:53:44 -0400270 if (item &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700271 !has_object_file_with_flags(&ref->old_oid,
272 OBJECT_INFO_QUICK) &&
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000273 !will_fetch(head, ref->old_oid.hash) &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700274 !has_sha1_file_with_flags(item->util,
275 OBJECT_INFO_QUICK) &&
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100276 !will_fetch(head, item->util))
277 item->util = NULL;
278 item = NULL;
279 continue;
280 }
281
282 /*
283 * If item is non-NULL here, then we previously saw a
284 * ref not followed by a peeled reference, so we need
285 * to check if it is a lightweight tag that we want to
286 * fetch.
287 */
Jeff King5827a032016-10-13 12:53:44 -0400288 if (item &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700289 !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100290 !will_fetch(head, item->util))
291 item->util = NULL;
292
293 item = NULL;
294
295 /* skip duplicates and refs that we already have */
296 if (string_list_has_string(&remote_refs, ref->name) ||
297 string_list_has_string(&existing_refs, ref->name))
298 continue;
299
300 item = string_list_insert(&remote_refs, ref->name);
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000301 item->util = (void *)&ref->old_oid;
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100302 }
303 string_list_clear(&existing_refs, 1);
304
305 /*
306 * We may have a final lightweight tag that needs to be
307 * checked to see if it needs fetching.
308 */
Jeff King5827a032016-10-13 12:53:44 -0400309 if (item &&
Jonathan Tane83e71c2017-06-21 17:40:24 -0700310 !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100311 !will_fetch(head, item->util))
312 item->util = NULL;
313
314 /*
315 * For all the tags in the remote_refs string list,
316 * add them to the list of refs to be fetched
317 */
318 for_each_string_list_item(item, &remote_refs) {
319 /* Unless we have already decided to ignore this item... */
320 if (item->util)
321 {
322 struct ref *rm = alloc_ref(item->string);
323 rm->peer_ref = alloc_ref(item->string);
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000324 oidcpy(&rm->old_oid, item->util);
Michael Haggertya0fbb5a2013-10-30 06:32:55 +0100325 **tail = rm;
326 *tail = &rm->next;
327 }
328 }
329
330 string_list_clear(&remote_refs, 0);
331}
Shawn O. Pearce767f1762008-03-02 21:35:25 -0500332
Brandon Williams6d1700d2018-06-27 15:30:21 -0700333static struct ref *get_ref_map(struct remote *remote,
334 const struct ref *remote_refs,
Brandon Williams65d96c82018-05-16 15:58:08 -0700335 struct refspec *rs,
Michael Haggertyf137a452013-10-23 17:50:38 +0200336 int tags, int *autotags)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400337{
338 int i;
339 struct ref *rm;
340 struct ref *ref_map = NULL;
341 struct ref **tail = &ref_map;
342
Michael Haggertyc5a84e92013-10-30 06:32:59 +0100343 /* opportunistically-updated references: */
344 struct ref *orefs = NULL, **oref_tail = &orefs;
345
Brandon Williams14b8ced2018-06-27 15:30:19 -0700346 struct string_list existing_refs = STRING_LIST_INIT_DUP;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400347
Brandon Williams65d96c82018-05-16 15:58:08 -0700348 if (rs->nr) {
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700349 struct refspec *fetch_refspec;
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700350
Brandon Williams65d96c82018-05-16 15:58:08 -0700351 for (i = 0; i < rs->nr; i++) {
352 get_fetch_map(remote_refs, &rs->items[i], &tail, 0);
353 if (rs->items[i].dst && rs->items[i].dst[0])
Daniel Barkalowb888d612007-09-10 23:03:25 -0400354 *autotags = 1;
355 }
Michael Haggerty0281c932013-10-30 06:32:58 +0100356 /* Merge everything on the command line (but not --tags) */
Daniel Barkalowb888d612007-09-10 23:03:25 -0400357 for (rm = ref_map; rm; rm = rm->next)
Jeff King900f2812013-05-11 18:15:59 +0200358 rm->fetch_head_status = FETCH_HEAD_MERGE;
Michael Haggerty0281c932013-10-30 06:32:58 +0100359
360 /*
361 * For any refs that we happen to be fetching via
362 * command-line arguments, the destination ref might
363 * have been missing or have been different than the
364 * remote-tracking ref that would be derived from the
365 * configured refspec. In these cases, we want to
366 * take the opportunity to update their configured
367 * remote-tracking reference. However, we do not want
368 * to mention these entries in FETCH_HEAD at all, as
369 * they would simply be duplicates of existing
370 * entries, so we set them FETCH_HEAD_IGNORE below.
371 *
372 * We compute these entries now, based only on the
373 * refspecs specified on the command line. But we add
374 * them to the list following the refspecs resulting
375 * from the tags option so that one of the latter,
376 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
377 * by ref_remove_duplicates() in favor of one of these
378 * opportunistic entries with FETCH_HEAD_IGNORE.
379 */
Brandon Williams65d96c82018-05-16 15:58:08 -0700380 if (refmap.nr)
381 fetch_refspec = &refmap;
382 else
Brandon Williams6d1700d2018-06-27 15:30:21 -0700383 fetch_refspec = &remote->fetch;
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700384
Brandon Williams65d96c82018-05-16 15:58:08 -0700385 for (i = 0; i < fetch_refspec->nr; i++)
386 get_fetch_map(ref_map, &fetch_refspec->items[i], &oref_tail, 1);
Brandon Williamse4cffac2018-05-16 15:58:05 -0700387 } else if (refmap.nr) {
Junio C Hamanoc5558f82014-05-29 15:21:31 -0700388 die("--refmap option is only meaningful with command-line refspec(s).");
Daniel Barkalowb888d612007-09-10 23:03:25 -0400389 } else {
390 /* Use the defaults */
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400391 struct branch *branch = branch_get(NULL);
392 int has_merge = branch_has_merge_config(branch);
Brandon Casey3ee17572010-08-25 12:52:56 -0500393 if (remote &&
Brandon Williamse5349ab2018-05-16 15:58:01 -0700394 (remote->fetch.nr ||
Brandon Caseyf31dbdc2010-09-09 13:56:36 -0500395 /* Note: has_merge implies non-NULL branch->remote_name */
Brandon Casey3ee17572010-08-25 12:52:56 -0500396 (has_merge && !strcmp(branch->remote_name, remote->name)))) {
Brandon Williamse5349ab2018-05-16 15:58:01 -0700397 for (i = 0; i < remote->fetch.nr; i++) {
398 get_fetch_map(remote_refs, &remote->fetch.items[i], &tail, 0);
399 if (remote->fetch.items[i].dst &&
400 remote->fetch.items[i].dst[0])
Daniel Barkalowb888d612007-09-10 23:03:25 -0400401 *autotags = 1;
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400402 if (!i && !has_merge && ref_map &&
Brandon Williamse5349ab2018-05-16 15:58:01 -0700403 !remote->fetch.items[0].pattern)
Jeff King900f2812013-05-11 18:15:59 +0200404 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400405 }
Johannes Schindelinda0204d2007-10-11 01:47:55 +0100406 /*
407 * if the remote we're fetching from is the same
408 * as given in branch.<name>.remote, we add the
409 * ref given in branch.<name>.merge, too.
Brandon Caseyf31dbdc2010-09-09 13:56:36 -0500410 *
411 * Note: has_merge implies non-NULL branch->remote_name
Johannes Schindelinda0204d2007-10-11 01:47:55 +0100412 */
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700413 if (has_merge &&
414 !strcmp(branch->remote_name, remote->name))
Shawn O. Pearce85682c12007-09-18 04:54:53 -0400415 add_merge_config(&ref_map, remote_refs, branch, &tail);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400416 } else {
417 ref_map = get_remote_ref(remote_refs, "HEAD");
Junio C Hamano9ad7c5a2007-10-26 23:09:48 -0700418 if (!ref_map)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +0000419 die(_("Couldn't find remote ref HEAD"));
Jeff King900f2812013-05-11 18:15:59 +0200420 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
Shawn O. Pearce5aaf7f22008-03-02 21:34:51 -0500421 tail = &ref_map->next;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400422 }
423 }
Michael Haggerty0281c932013-10-30 06:32:58 +0100424
Michael Haggertyc5a84e92013-10-30 06:32:59 +0100425 if (tags == TAGS_SET)
426 /* also fetch all tags */
427 get_fetch_map(remote_refs, tag_refspec, &tail, 0);
428 else if (tags == TAGS_DEFAULT && *autotags)
Brandon Williams6d1700d2018-06-27 15:30:21 -0700429 find_non_local_tags(remote_refs, &ref_map, &tail);
Michael Haggerty0281c932013-10-30 06:32:58 +0100430
Michael Haggertyc5a84e92013-10-30 06:32:59 +0100431 /* Now append any refs to be updated opportunistically: */
432 *tail = orefs;
433 for (rm = orefs; rm; rm = rm->next) {
434 rm->fetch_head_status = FETCH_HEAD_IGNORE;
435 tail = &rm->next;
436 }
437
Brandon Williams14b8ced2018-06-27 15:30:19 -0700438 ref_map = ref_remove_duplicates(ref_map);
439
440 for_each_ref(add_existing, &existing_refs);
441 for (rm = ref_map; rm; rm = rm->next) {
442 if (rm->peer_ref) {
443 struct string_list_item *peer_item =
444 string_list_lookup(&existing_refs,
445 rm->peer_ref->name);
446 if (peer_item) {
447 struct object_id *old_oid = peer_item->util;
448 oidcpy(&rm->peer_ref->old_oid, old_oid);
449 }
450 }
451 }
452 string_list_clear(&existing_refs, 1);
453
454 return ref_map;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400455}
456
Jeff Kingfa250752009-05-25 06:40:54 -0400457#define STORE_REF_ERROR_OTHER 1
458#define STORE_REF_ERROR_DF_CONFLICT 2
459
Daniel Barkalowb888d612007-09-10 23:03:25 -0400460static int s_update_ref(const char *action,
461 struct ref *ref,
462 int check_old)
463{
Jeff King1412f762017-03-28 15:46:26 -0400464 char *msg;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400465 char *rla = getenv("GIT_REFLOG_ACTION");
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700466 struct ref_transaction *transaction;
467 struct strbuf err = STRBUF_INIT;
468 int ret, df_conflict = 0;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400469
Jay Soffian28a15402009-11-10 09:19:43 +0100470 if (dry_run)
471 return 0;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400472 if (!rla)
Kristian Høgsberg2d324ef2007-12-04 02:25:46 -0500473 rla = default_rla.buf;
Jeff King1412f762017-03-28 15:46:26 -0400474 msg = xstrfmt("%s: %s", rla, action);
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700475
476 transaction = ref_transaction_begin(&err);
477 if (!transaction ||
Michael Haggerty1d147bd2015-02-17 18:00:15 +0100478 ref_transaction_update(transaction, ref->name,
brian m. carlson89f3bbd2017-10-15 22:06:53 +0000479 &ref->new_oid,
480 check_old ? &ref->old_oid : NULL,
Michael Haggerty1d147bd2015-02-17 18:00:15 +0100481 0, msg, &err))
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700482 goto fail;
483
484 ret = ref_transaction_commit(transaction, &err);
485 if (ret) {
486 df_conflict = (ret == TRANSACTION_NAME_CONFLICT);
487 goto fail;
488 }
489
490 ref_transaction_free(transaction);
491 strbuf_release(&err);
Jeff King1412f762017-03-28 15:46:26 -0400492 free(msg);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400493 return 0;
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700494fail:
495 ref_transaction_free(transaction);
496 error("%s", err.buf);
497 strbuf_release(&err);
Jeff King1412f762017-03-28 15:46:26 -0400498 free(msg);
Ronnie Sahlbergcd94f762014-04-28 13:49:07 -0700499 return df_conflict ? STORE_REF_ERROR_DF_CONFLICT
500 : STORE_REF_ERROR_OTHER;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400501}
502
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200503static int refcol_width = 10;
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200504static int compact_format;
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200505
506static void adjust_refcol_width(const struct ref *ref)
507{
508 int max, rlen, llen, len;
509
510 /* uptodate lines are only shown on high verbosity level */
Jeff King4a7e27e2018-08-28 17:22:40 -0400511 if (!verbosity && oideq(&ref->peer_ref->old_oid, &ref->old_oid))
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200512 return;
513
514 max = term_columns();
515 rlen = utf8_strwidth(prettify_refname(ref->name));
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200516
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200517 llen = utf8_strwidth(prettify_refname(ref->peer_ref->name));
518
519 /*
520 * rough estimation to see if the output line is too long and
521 * should not be counted (we can't do precise calculation
522 * anyway because we don't know if the error explanation part
523 * will be printed in update_local_ref)
524 */
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200525 if (compact_format) {
526 llen = 0;
527 max = max * 2 / 3;
528 }
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200529 len = 21 /* flag and summary */ + rlen + 4 /* -> */ + llen;
530 if (len >= max)
531 return;
532
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200533 /*
534 * Not precise calculation for compact mode because '*' can
535 * appear on the left hand side of '->' and shrink the column
536 * back.
537 */
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200538 if (refcol_width < rlen)
539 refcol_width = rlen;
540}
541
542static void prepare_format_display(struct ref *ref_map)
543{
544 struct ref *rm;
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200545 const char *format = "full";
546
547 git_config_get_string_const("fetch.output", &format);
548 if (!strcasecmp(format, "full"))
549 compact_format = 0;
550 else if (!strcasecmp(format, "compact"))
551 compact_format = 1;
552 else
553 die(_("configuration fetch.output contains invalid value %s"),
554 format);
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200555
556 for (rm = ref_map; rm; rm = rm->next) {
557 if (rm->status == REF_STATUS_REJECT_SHALLOW ||
558 !rm->peer_ref ||
559 !strcmp(rm->name, "HEAD"))
560 continue;
561
562 adjust_refcol_width(rm);
563 }
564}
Nicolas Pitre165f3902007-11-03 01:32:48 -0400565
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200566static void print_remote_to_local(struct strbuf *display,
567 const char *remote, const char *local)
568{
569 strbuf_addf(display, "%-*s -> %s", refcol_width, remote, local);
570}
571
572static int find_and_replace(struct strbuf *haystack,
573 const char *needle,
574 const char *placeholder)
575{
576 const char *p = strstr(haystack->buf, needle);
577 int plen, nlen;
578
579 if (!p)
580 return 0;
581
582 if (p > haystack->buf && p[-1] != '/')
583 return 0;
584
585 plen = strlen(p);
586 nlen = strlen(needle);
587 if (plen > nlen && p[nlen] != '/')
588 return 0;
589
590 strbuf_splice(haystack, p - haystack->buf, nlen,
591 placeholder, strlen(placeholder));
592 return 1;
593}
594
595static void print_compact(struct strbuf *display,
596 const char *remote, const char *local)
597{
598 struct strbuf r = STRBUF_INIT;
599 struct strbuf l = STRBUF_INIT;
600
601 if (!strcmp(remote, local)) {
602 strbuf_addf(display, "%-*s -> *", refcol_width, remote);
603 return;
604 }
605
606 strbuf_addstr(&r, remote);
607 strbuf_addstr(&l, local);
608
609 if (!find_and_replace(&r, local, "*"))
610 find_and_replace(&l, remote, "*");
611 print_remote_to_local(display, r.buf, l.buf);
612
613 strbuf_release(&r);
614 strbuf_release(&l);
615}
616
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200617static void format_display(struct strbuf *display, char code,
618 const char *summary, const char *error,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700619 const char *remote, const char *local,
620 int summary_width)
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200621{
Junio C Hamano901f3d42016-10-21 15:22:55 -0700622 int width = (summary_width + strlen(summary) - gettext_width(summary));
623
624 strbuf_addf(display, "%c %-*s ", code, width, summary);
Nguyễn Thái Ngọc Duybc437d12016-07-01 18:03:31 +0200625 if (!compact_format)
626 print_remote_to_local(display, remote, local);
627 else
628 print_compact(display, remote, local);
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200629 if (error)
630 strbuf_addf(display, " (%s)", error);
631}
Daniel Barkalowb888d612007-09-10 23:03:25 -0400632
633static int update_local_ref(struct ref *ref,
Nicolas Pitre165f3902007-11-03 01:32:48 -0400634 const char *remote,
Marc Branchaud6da618d2012-04-16 18:08:49 -0400635 const struct ref *remote_ref,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700636 struct strbuf *display,
637 int summary_width)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400638{
Daniel Barkalowb888d612007-09-10 23:03:25 -0400639 struct commit *current = NULL, *updated;
640 enum object_type type;
641 struct branch *current_branch = branch_get(NULL);
Felipe Contreras4577e482009-05-14 00:22:04 +0300642 const char *pretty_ref = prettify_refname(ref->name);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400643
Stefan Beller0df8e962018-04-25 11:20:59 -0700644 type = oid_object_info(the_repository, &ref->new_oid, NULL);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400645 if (type < 0)
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000646 die(_("object %s not found"), oid_to_hex(&ref->new_oid));
Daniel Barkalowb888d612007-09-10 23:03:25 -0400647
Jeff King4a7e27e2018-08-28 17:22:40 -0400648 if (oideq(&ref->old_oid, &ref->new_oid)) {
Tuncer Ayaz7f87aff2008-11-15 01:14:24 +0100649 if (verbosity > 0)
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200650 format_display(display, '=', _("[up to date]"), NULL,
Junio C Hamano901f3d42016-10-21 15:22:55 -0700651 remote, pretty_ref, summary_width);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400652 return 0;
653 }
654
Shawn O. Pearceb3abdd92007-09-16 02:31:26 -0400655 if (current_branch &&
656 !strcmp(ref->name, current_branch->name) &&
Daniel Barkalowb888d612007-09-10 23:03:25 -0400657 !(update_head_ok || is_bare_repository()) &&
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000658 !is_null_oid(&ref->old_oid)) {
Daniel Barkalowb888d612007-09-10 23:03:25 -0400659 /*
660 * If this is the head, and it's not okay to update
661 * the head, and the old value of the head isn't empty...
662 */
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200663 format_display(display, '!', _("[rejected]"),
664 _("can't fetch in current branch"),
Junio C Hamano901f3d42016-10-21 15:22:55 -0700665 remote, pretty_ref, summary_width);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400666 return 1;
667 }
668
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000669 if (!is_null_oid(&ref->old_oid) &&
Christian Couder59556542013-11-30 21:55:40 +0100670 starts_with(ref->name, "refs/tags/")) {
Ævar Arnfjörð Bjarmason0bc8d712018-08-31 20:10:04 +0000671 if (force || ref->force) {
672 int r;
673 r = s_update_ref("updating tag", ref, 0);
674 format_display(display, r ? '!' : 't', _("[tag update]"),
675 r ? _("unable to update local ref") : NULL,
676 remote, pretty_ref, summary_width);
677 return r;
678 } else {
679 format_display(display, '!', _("[rejected]"), _("would clobber existing tag"),
680 remote, pretty_ref, summary_width);
681 return 1;
682 }
Daniel Barkalowb888d612007-09-10 23:03:25 -0400683 }
684
Stefan Beller21e1ee82018-06-28 18:21:57 -0700685 current = lookup_commit_reference_gently(the_repository,
686 &ref->old_oid, 1);
687 updated = lookup_commit_reference_gently(the_repository,
688 &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,
Jonathan Tancf1e7c02018-07-02 15:08:43 -0700772 int connectivity_checked, 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;
Stefan Beller102de882018-05-17 15:51:51 -0700781 const char *filename = dry_run ? "/dev/null" : git_path_fetch_head(the_repository);
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
Jonathan Tancf1e7c02018-07-02 15:08:43 -0700794 if (!connectivity_checked) {
795 rm = ref_map;
796 if (check_connected(iterate_ref_map, &rm, NULL)) {
797 rc = error(_("%s did not send all necessary objects\n"), url);
798 goto abort;
799 }
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800800 }
Junio C Hamano6b67e0d2011-09-01 15:43:35 -0700801
Nguyễn Thái Ngọc Duy6bc91f22016-07-01 18:03:30 +0200802 prepare_format_display(ref_map);
803
Joey Hess96890f42011-12-26 12:16:56 -0400804 /*
Jeff King900f2812013-05-11 18:15:59 +0200805 * We do a pass for each fetch_head_status type in their enum order, so
806 * merged entries are written before not-for-merge. That lets readers
807 * use FETCH_HEAD as a refname to refer to the ref to be merged.
Joey Hess96890f42011-12-26 12:16:56 -0400808 */
Jeff King900f2812013-05-11 18:15:59 +0200809 for (want_status = FETCH_HEAD_MERGE;
810 want_status <= FETCH_HEAD_IGNORE;
811 want_status++) {
Joey Hess96890f42011-12-26 12:16:56 -0400812 for (rm = ref_map; rm; rm = rm->next) {
813 struct ref *ref = NULL;
Jeff King900f2812013-05-11 18:15:59 +0200814 const char *merge_status_marker = "";
Daniel Barkalowb888d612007-09-10 23:03:25 -0400815
Nguyễn Thái Ngọc Duy4820a332013-12-05 20:02:40 +0700816 if (rm->status == REF_STATUS_REJECT_SHALLOW) {
817 if (want_status == FETCH_HEAD_MERGE)
818 warning(_("reject %s because shallow roots are not allowed to be updated"),
819 rm->peer_ref ? rm->peer_ref->name : rm->name);
820 continue;
821 }
822
Stefan Beller21e1ee82018-06-28 18:21:57 -0700823 commit = lookup_commit_reference_gently(the_repository,
824 &rm->old_oid,
brian m. carlsonbc832662017-05-06 22:10:10 +0000825 1);
Joey Hess96890f42011-12-26 12:16:56 -0400826 if (!commit)
Jeff King900f2812013-05-11 18:15:59 +0200827 rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400828
Jeff King900f2812013-05-11 18:15:59 +0200829 if (rm->fetch_head_status != want_status)
Joey Hess96890f42011-12-26 12:16:56 -0400830 continue;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400831
Joey Hess96890f42011-12-26 12:16:56 -0400832 if (rm->peer_ref) {
Jeff King6f687c22015-09-24 17:08:09 -0400833 ref = alloc_ref(rm->peer_ref->name);
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000834 oidcpy(&ref->old_oid, &rm->peer_ref->old_oid);
835 oidcpy(&ref->new_oid, &rm->old_oid);
Joey Hess96890f42011-12-26 12:16:56 -0400836 ref->force = rm->peer_ref->force;
Nicolas Pitre165f3902007-11-03 01:32:48 -0400837 }
Joey Hess96890f42011-12-26 12:16:56 -0400838
839
840 if (!strcmp(rm->name, "HEAD")) {
841 kind = "";
842 what = "";
843 }
Christian Couder59556542013-11-30 21:55:40 +0100844 else if (starts_with(rm->name, "refs/heads/")) {
Joey Hess96890f42011-12-26 12:16:56 -0400845 kind = "branch";
846 what = rm->name + 11;
847 }
Christian Couder59556542013-11-30 21:55:40 +0100848 else if (starts_with(rm->name, "refs/tags/")) {
Joey Hess96890f42011-12-26 12:16:56 -0400849 kind = "tag";
850 what = rm->name + 10;
851 }
Christian Couder59556542013-11-30 21:55:40 +0100852 else if (starts_with(rm->name, "refs/remotes/")) {
Joey Hess96890f42011-12-26 12:16:56 -0400853 kind = "remote-tracking branch";
854 what = rm->name + 13;
855 }
856 else {
857 kind = "";
858 what = rm->name;
859 }
860
861 url_len = strlen(url);
862 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
863 ;
864 url_len = i + 1;
865 if (4 < i && !strncmp(".git", url + i - 3, 4))
866 url_len = i - 3;
867
868 strbuf_reset(&note);
869 if (*what) {
870 if (*kind)
871 strbuf_addf(&note, "%s ", kind);
872 strbuf_addf(&note, "'%s' of ", what);
873 }
Jeff King900f2812013-05-11 18:15:59 +0200874 switch (rm->fetch_head_status) {
875 case FETCH_HEAD_NOT_FOR_MERGE:
876 merge_status_marker = "not-for-merge";
877 /* fall-through */
878 case FETCH_HEAD_MERGE:
879 fprintf(fp, "%s\t%s\t%s",
brian m. carlsonf4e54d02015-11-10 02:22:20 +0000880 oid_to_hex(&rm->old_oid),
Jeff King900f2812013-05-11 18:15:59 +0200881 merge_status_marker,
882 note.buf);
883 for (i = 0; i < url_len; ++i)
884 if ('\n' == url[i])
885 fputs("\\n", fp);
886 else
887 fputc(url[i], fp);
888 fputc('\n', fp);
889 break;
890 default:
891 /* do not write anything to FETCH_HEAD */
892 break;
893 }
Joey Hess96890f42011-12-26 12:16:56 -0400894
895 strbuf_reset(&note);
896 if (ref) {
Junio C Hamano901f3d42016-10-21 15:22:55 -0700897 rc |= update_local_ref(ref, what, rm, &note,
898 summary_width);
Joey Hess96890f42011-12-26 12:16:56 -0400899 free(ref);
900 } else
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +0200901 format_display(&note, '*',
902 *kind ? kind : "branch", NULL,
903 *what ? what : "HEAD",
Junio C Hamano901f3d42016-10-21 15:22:55 -0700904 "FETCH_HEAD", summary_width);
Joey Hess96890f42011-12-26 12:16:56 -0400905 if (note.len) {
906 if (verbosity >= 0 && !shown_url) {
907 fprintf(stderr, _("From %.*s\n"),
908 url_len, url);
909 shown_url = 1;
910 }
911 if (verbosity >= 0)
912 fprintf(stderr, " %s\n", note.buf);
913 }
Nicolas Pitre165f3902007-11-03 01:32:48 -0400914 }
Daniel Barkalowb888d612007-09-10 23:03:25 -0400915 }
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800916
Jeff Kingfa250752009-05-25 06:40:54 -0400917 if (rc & STORE_REF_ERROR_DF_CONFLICT)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +0000918 error(_("some local refs could not be updated; try running\n"
Jeff Kingf3cb1692008-06-27 00:01:41 -0400919 " 'git remote prune %s' to remove any old, conflicting "
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +0000920 "branches"), remote_name);
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800921
922 abort:
Jeff King5914f2d2011-12-08 03:43:19 -0500923 strbuf_release(&note);
Tay Ray Chuan9516a592011-10-07 15:40:22 +0800924 free(url);
925 fclose(fp);
Dmitry V. Levinefb98b42008-05-28 19:29:36 +0400926 return rc;
Daniel Barkalowb888d612007-09-10 23:03:25 -0400927}
928
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500929/*
930 * We would want to bypass the object transfer altogether if
Johan Herlandd9eb0202009-07-10 01:52:30 +0200931 * everything we are going to fetch already exists and is connected
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500932 * locally.
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500933 */
Jonathan Tan35f9e3e2018-09-21 11:22:38 -0700934static int check_exist_and_connected(struct ref *ref_map)
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500935{
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700936 struct ref *rm = ref_map;
Jeff King7043c702016-07-15 06:30:40 -0400937 struct check_connected_options opt = CHECK_CONNECTED_INIT;
Jonathan Tan35f9e3e2018-09-21 11:22:38 -0700938 struct ref *r;
Junio C Hamanof0e278b2011-09-02 16:22:47 -0700939
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500940 /*
941 * If we are deepening a shallow clone we already have these
942 * objects reachable. Running rev-list here will return with
943 * a good (0) exit status and we'll bypass the fetch that we
944 * really need to perform. Claiming failure now will ensure
945 * we perform the network exchange to deepen our history.
946 */
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +0700947 if (deepen)
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500948 return -1;
Jonathan Tan35f9e3e2018-09-21 11:22:38 -0700949
950 /*
951 * check_connected() allows objects to merely be promised, but
952 * we need all direct targets to exist.
953 */
954 for (r = rm; r; r = r->next) {
955 if (!has_object_file(&r->old_oid))
956 return -1;
957 }
958
Jeff King7043c702016-07-15 06:30:40 -0400959 opt.quiet = 1;
960 return check_connected(iterate_ref_map, &rm, &opt);
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500961}
962
Jonathan Tane2842b32018-08-01 13:13:20 -0700963static int fetch_refs(struct transport *transport, struct ref *ref_map)
Daniel Barkalowb888d612007-09-10 23:03:25 -0400964{
Jonathan Tan35f9e3e2018-09-21 11:22:38 -0700965 int ret = check_exist_and_connected(ref_map);
Shawn O. Pearce4191c352007-11-11 02:29:47 -0500966 if (ret)
Jonathan Tane2842b32018-08-01 13:13:20 -0700967 ret = transport_fetch_refs(transport, ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400968 if (!ret)
Brandon Williams05c44222018-06-27 15:30:20 -0700969 /*
970 * Keep the new pack's ".keep" file around to allow the caller
971 * time to update refs to reference the new objects.
972 */
973 return 0;
974 transport_unlock_pack(transport);
975 return ret;
976}
977
978/* Update local refs based on the ref values fetched from a remote */
979static int consume_refs(struct transport *transport, struct ref *ref_map)
980{
Jonathan Tancf1e7c02018-07-02 15:08:43 -0700981 int connectivity_checked = transport->smart_options
982 ? transport->smart_options->connectivity_checked : 0;
Brandon Williams05c44222018-06-27 15:30:20 -0700983 int ret = store_updated_refs(transport->url,
984 transport->remote->name,
Jonathan Tancf1e7c02018-07-02 15:08:43 -0700985 connectivity_checked,
Brandon Williams05c44222018-06-27 15:30:20 -0700986 ref_map);
Shawn O. Pearce1788c392007-09-14 03:31:23 -0400987 transport_unlock_pack(transport);
Daniel Barkalowb888d612007-09-10 23:03:25 -0400988 return ret;
989}
990
Brandon Williamsdef11e72018-05-16 15:58:09 -0700991static int prune_refs(struct refspec *rs, struct ref *ref_map,
992 const char *raw_url)
Jay Soffianf360d842009-11-10 09:15:47 +0100993{
Tom Miller4b3b33a2014-01-02 20:28:51 -0600994 int url_len, i, result = 0;
Brandon Williamsa2ac50c2018-05-16 15:58:10 -0700995 struct ref *ref, *stale_refs = get_stale_heads(rs, ref_map);
Tom Miller4b3b33a2014-01-02 20:28:51 -0600996 char *url;
Junio C Hamano11fd66d2016-10-21 15:28:07 -0700997 int summary_width = transport_summary_width(stale_refs);
Jay Soffianf360d842009-11-10 09:15:47 +0100998 const char *dangling_msg = dry_run
Nguyễn Thái Ngọc Duy18986d52012-04-23 19:30:25 +0700999 ? _(" (%s will become dangling)")
1000 : _(" (%s has become dangling)");
Jay Soffianf360d842009-11-10 09:15:47 +01001001
Tom Miller4b3b33a2014-01-02 20:28:51 -06001002 if (raw_url)
1003 url = transport_anonymize_url(raw_url);
1004 else
1005 url = xstrdup("foreign");
1006
1007 url_len = strlen(url);
1008 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
1009 ;
1010
1011 url_len = i + 1;
1012 if (4 < i && !strncmp(".git", url + i - 3, 4))
1013 url_len = i - 3;
1014
Michael Haggertya087b432015-06-22 16:02:59 +02001015 if (!dry_run) {
1016 struct string_list refnames = STRING_LIST_INIT_NODUP;
1017
1018 for (ref = stale_refs; ref; ref = ref->next)
1019 string_list_append(&refnames, ref->name);
1020
Michael Haggerty64da4192017-05-22 16:17:38 +02001021 result = delete_refs("fetch: prune", &refnames, 0);
Michael Haggertya087b432015-06-22 16:02:59 +02001022 string_list_clear(&refnames, 0);
1023 }
1024
1025 if (verbosity >= 0) {
1026 for (ref = stale_refs; ref; ref = ref->next) {
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +02001027 struct strbuf sb = STRBUF_INIT;
Michael Haggertya087b432015-06-22 16:02:59 +02001028 if (!shown_url) {
1029 fprintf(stderr, _("From %.*s\n"), url_len, url);
1030 shown_url = 1;
1031 }
Nguyễn Thái Ngọc Duy2cb040b2016-06-26 07:58:08 +02001032 format_display(&sb, '-', _("[deleted]"), NULL,
Junio C Hamano901f3d42016-10-21 15:22:55 -07001033 _("(none)"), prettify_refname(ref->name),
1034 summary_width);
Nguyễn Thái Ngọc Duyd0b39a02016-06-26 07:58:07 +02001035 fprintf(stderr, " %s\n",sb.buf);
1036 strbuf_release(&sb);
Jay Soffianf360d842009-11-10 09:15:47 +01001037 warn_dangling_symref(stderr, dangling_msg, ref->name);
1038 }
1039 }
Michael Haggertya087b432015-06-22 16:02:59 +02001040
Tom Miller4b3b33a2014-01-02 20:28:51 -06001041 free(url);
Jay Soffianf360d842009-11-10 09:15:47 +01001042 free_refs(stale_refs);
1043 return result;
1044}
1045
Johannes Schindelin8ee5d732008-10-13 11:36:52 +02001046static void check_not_current_branch(struct ref *ref_map)
1047{
1048 struct branch *current_branch = branch_get(NULL);
1049
1050 if (is_bare_repository() || !current_branch)
1051 return;
1052
1053 for (; ref_map; ref_map = ref_map->next)
1054 if (ref_map->peer_ref && !strcmp(current_branch->refname,
1055 ref_map->peer_ref->name))
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001056 die(_("Refusing to fetch into current branch %s "
1057 "of non-bare repository"), current_branch->refname);
Johannes Schindelin8ee5d732008-10-13 11:36:52 +02001058}
1059
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001060static int truncate_fetch_head(void)
1061{
Stefan Beller102de882018-05-17 15:51:51 -07001062 const char *filename = git_path_fetch_head(the_repository);
Johannes Schindelinea565182016-01-11 19:35:54 +01001063 FILE *fp = fopen_for_writing(filename);
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001064
1065 if (!fp)
Nguyễn Thái Ngọc Duy6da31d72016-05-08 16:47:26 +07001066 return error_errno(_("cannot open %s"), filename);
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001067 fclose(fp);
1068 return 0;
1069}
1070
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001071static void set_option(struct transport *transport, const char *name, const char *value)
1072{
1073 int r = transport_set_option(transport, name, value);
1074 if (r < 0)
1075 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1076 name, value, transport->url);
1077 if (r > 0)
1078 warning(_("Option \"%s\" is ignored for %s\n"),
1079 name, transport->url);
1080}
1081
Jonathan Tan3390e422018-07-02 15:39:44 -07001082
1083static int add_oid(const char *refname, const struct object_id *oid, int flags,
1084 void *cb_data)
1085{
1086 struct oid_array *oids = cb_data;
1087
1088 oid_array_append(oids, oid);
1089 return 0;
1090}
1091
1092static void add_negotiation_tips(struct git_transport_options *smart_options)
1093{
1094 struct oid_array *oids = xcalloc(1, sizeof(*oids));
1095 int i;
1096
1097 for (i = 0; i < negotiation_tip.nr; i++) {
1098 const char *s = negotiation_tip.items[i].string;
1099 int old_nr;
1100 if (!has_glob_specials(s)) {
1101 struct object_id oid;
1102 if (get_oid(s, &oid))
1103 die("%s is not a valid object", s);
1104 oid_array_append(oids, &oid);
1105 continue;
1106 }
1107 old_nr = oids->nr;
1108 for_each_glob_ref(add_oid, s, oids);
1109 if (old_nr == oids->nr)
1110 warning("Ignoring --negotiation-tip=%s because it does not match any refs",
1111 s);
1112 }
1113 smart_options->negotiation_tips = oids;
1114}
1115
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001116static struct transport *prepare_transport(struct remote *remote, int deepen)
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001117{
1118 struct transport *transport;
1119 transport = transport_get(remote, NULL);
1120 transport_set_verbosity(transport, verbosity, progress);
Eric Wongc915f112016-02-03 04:09:14 +00001121 transport->family = family;
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001122 if (upload_pack)
1123 set_option(transport, TRANS_OPT_UPLOADPACK, upload_pack);
1124 if (keep)
1125 set_option(transport, TRANS_OPT_KEEP, "yes");
1126 if (depth)
1127 set_option(transport, TRANS_OPT_DEPTH, depth);
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001128 if (deepen && deepen_since)
1129 set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001130 if (deepen && deepen_not.nr)
1131 set_option(transport, TRANS_OPT_DEEPEN_NOT,
1132 (const char *)&deepen_not);
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +07001133 if (deepen_relative)
1134 set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
Nguyễn Thái Ngọc Duy48d25ca2013-12-05 20:02:42 +07001135 if (update_shallow)
1136 set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001137 if (filter_options.choice) {
1138 set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
1139 filter_options.filter_spec);
1140 set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
1141 }
Jonathan Tan3390e422018-07-02 15:39:44 -07001142 if (negotiation_tip.nr) {
1143 if (transport->smart_options)
1144 add_negotiation_tips(transport->smart_options);
1145 else
1146 warning("Ignoring --negotiation-tip because the protocol does not support it.");
1147 }
Junio C Hamanodb5723c2013-08-07 14:43:20 -07001148 return transport;
1149}
1150
Junio C Hamano069d5032013-08-07 15:14:45 -07001151static void backfill_tags(struct transport *transport, struct ref *ref_map)
1152{
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001153 int cannot_reuse;
1154
1155 /*
1156 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1157 * when remote helper is used (setting it to an empty string
1158 * is not unsetting). We could extend the remote helper
1159 * protocol for that, but for now, just force a new connection
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001160 * without deepen-since. Similar story for deepen-not.
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001161 */
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001162 cannot_reuse = transport->cannot_reuse ||
1163 deepen_since || deepen_not.nr;
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001164 if (cannot_reuse) {
1165 gsecondary = prepare_transport(transport->remote, 0);
Junio C Hamanob26ed432013-08-07 15:47:18 -07001166 transport = gsecondary;
1167 }
1168
Junio C Hamano069d5032013-08-07 15:14:45 -07001169 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
1170 transport_set_option(transport, TRANS_OPT_DEPTH, "0");
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +07001171 transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
Jonathan Tane2842b32018-08-01 13:13:20 -07001172 if (!fetch_refs(transport, ref_map))
Brandon Williams05c44222018-06-27 15:30:20 -07001173 consume_refs(transport, ref_map);
Junio C Hamanob26ed432013-08-07 15:47:18 -07001174
1175 if (gsecondary) {
1176 transport_disconnect(gsecondary);
1177 gsecondary = NULL;
1178 }
Junio C Hamano069d5032013-08-07 15:14:45 -07001179}
1180
Daniel Barkalowb888d612007-09-10 23:03:25 -04001181static int do_fetch(struct transport *transport,
Brandon Williams65a13012018-05-16 15:58:07 -07001182 struct refspec *rs)
Daniel Barkalowb888d612007-09-10 23:03:25 -04001183{
Shawn O. Pearce7f984282008-03-02 21:34:43 -05001184 struct ref *ref_map;
Daniel Barkalowb888d612007-09-10 23:03:25 -04001185 int autotags = (transport->remote->fetch_tags == 1);
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001186 int retcode = 0;
Brandon Williams6d1700d2018-06-27 15:30:21 -07001187 const struct ref *remote_refs;
Brandon Williams6d1700d2018-06-27 15:30:21 -07001188 struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
Jonathan Tane70a3032018-09-27 12:24:07 -07001189 int must_list_refs = 1;
Julian Phillipsb1a01e12009-10-25 21:28:12 +00001190
Daniel Johnsoned368542010-08-11 18:57:20 -04001191 if (tags == TAGS_DEFAULT) {
1192 if (transport->remote->fetch_tags == 2)
1193 tags = TAGS_SET;
1194 if (transport->remote->fetch_tags == -1)
1195 tags = TAGS_UNSET;
1196 }
Daniel Barkalowb888d612007-09-10 23:03:25 -04001197
Daniel Barkalowb888d612007-09-10 23:03:25 -04001198 /* if not appending, truncate FETCH_HEAD */
Jay Soffian28a15402009-11-10 09:19:43 +01001199 if (!append && !dry_run) {
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001200 retcode = truncate_fetch_head();
1201 if (retcode)
1202 goto cleanup;
André Goddard Rosad6617c72007-11-22 20:22:23 -02001203 }
Daniel Barkalowb888d612007-09-10 23:03:25 -04001204
Jonathan Tane70a3032018-09-27 12:24:07 -07001205 if (rs->nr) {
1206 int i;
1207
Brandon Williams6d1700d2018-06-27 15:30:21 -07001208 refspec_ref_prefixes(rs, &ref_prefixes);
Jonathan Tane70a3032018-09-27 12:24:07 -07001209
1210 /*
1211 * We can avoid listing refs if all of them are exact
1212 * OIDs
1213 */
1214 must_list_refs = 0;
1215 for (i = 0; i < rs->nr; i++) {
1216 if (!rs->items[i].exact_sha1) {
1217 must_list_refs = 1;
1218 break;
1219 }
1220 }
1221 } else if (transport->remote && transport->remote->fetch.nr)
Brandon Williams6d1700d2018-06-27 15:30:21 -07001222 refspec_ref_prefixes(&transport->remote->fetch, &ref_prefixes);
1223
Jonathan Tane70a3032018-09-27 12:24:07 -07001224 if (tags == TAGS_SET || tags == TAGS_DEFAULT) {
1225 must_list_refs = 1;
1226 if (ref_prefixes.argc)
1227 argv_array_push(&ref_prefixes, "refs/tags/");
Brandon Williams6d1700d2018-06-27 15:30:21 -07001228 }
1229
Jonathan Tane70a3032018-09-27 12:24:07 -07001230 if (must_list_refs)
1231 remote_refs = transport_get_remote_refs(transport, &ref_prefixes);
1232 else
1233 remote_refs = NULL;
1234
Brandon Williams6d1700d2018-06-27 15:30:21 -07001235 argv_array_clear(&ref_prefixes);
1236
1237 ref_map = get_ref_map(transport->remote, remote_refs, rs,
1238 tags, &autotags);
Johannes Schindelin8ee5d732008-10-13 11:36:52 +02001239 if (!update_head_ok)
1240 check_not_current_branch(ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001241
Shawn O. Pearce41fa7d22008-03-03 22:27:40 -05001242 if (tags == TAGS_DEFAULT && autotags)
1243 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
Carlos Martín Nietoed43de62011-10-15 07:04:25 +02001244 if (prune) {
Michael Haggerty0838bf42013-10-30 06:33:00 +01001245 /*
1246 * We only prune based on refspecs specified
1247 * explicitly (via command line or configuration); we
1248 * don't care whether --tags was specified.
1249 */
Brandon Williams65a13012018-05-16 15:58:07 -07001250 if (rs->nr) {
Brandon Williamsdef11e72018-05-16 15:58:09 -07001251 prune_refs(rs, ref_map, transport->url);
Michael Haggertyc5a84e92013-10-30 06:32:59 +01001252 } else {
Brandon Williamsdef11e72018-05-16 15:58:09 -07001253 prune_refs(&transport->remote->fetch,
Tom Miller4b3b33a2014-01-02 20:28:51 -06001254 ref_map,
1255 transport->url);
Carlos Martín Nietoe8c1e6c2011-10-15 07:04:26 +02001256 }
Carlos Martín Nietoed43de62011-10-15 07:04:25 +02001257 }
Jonathan Tane2842b32018-08-01 13:13:20 -07001258 if (fetch_refs(transport, ref_map) || consume_refs(transport, ref_map)) {
Tom Miller10a6cc82014-01-02 20:28:52 -06001259 free_refs(ref_map);
1260 retcode = 1;
1261 goto cleanup;
1262 }
Shawn O. Pearce7f984282008-03-02 21:34:43 -05001263 free_refs(ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001264
1265 /* if neither --no-tags nor --tags was specified, do automated tag
1266 * following ... */
Kristian Høgsberg83201992007-12-04 02:25:47 -05001267 if (tags == TAGS_DEFAULT && autotags) {
Shawn O. Pearcec50b2b42008-03-02 21:35:00 -05001268 struct ref **tail = &ref_map;
1269 ref_map = NULL;
Brandon Williams6d1700d2018-06-27 15:30:21 -07001270 find_non_local_tags(remote_refs, &ref_map, &tail);
Junio C Hamano069d5032013-08-07 15:14:45 -07001271 if (ref_map)
1272 backfill_tags(transport, ref_map);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001273 free_refs(ref_map);
1274 }
1275
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001276 cleanup:
Michael Haggerty5b87d8d2013-05-25 11:08:16 +02001277 return retcode;
Daniel Barkalowb888d612007-09-10 23:03:25 -04001278}
1279
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001280static int get_one_remote_for_fetch(struct remote *remote, void *priv)
Daniel Barkalowb888d612007-09-10 23:03:25 -04001281{
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001282 struct string_list *list = priv;
Björn Gustavsson7cc91a22009-11-09 21:11:06 +01001283 if (!remote->skip_default_update)
Julian Phillips1d2f80f2010-06-26 00:41:38 +01001284 string_list_append(list, remote->name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001285 return 0;
1286}
1287
1288struct remote_group_data {
1289 const char *name;
1290 struct string_list *list;
1291};
1292
1293static int get_remote_group(const char *key, const char *value, void *priv)
1294{
1295 struct remote_group_data *g = priv;
1296
Michael Haggertybc598c32015-07-28 23:08:21 +02001297 if (skip_prefix(key, "remotes.", &key) && !strcmp(key, g->name)) {
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001298 /* split list by white space */
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001299 while (*value) {
Michael Haggerty5f654992015-07-28 23:08:20 +02001300 size_t wordlen = strcspn(value, " \t\n");
1301
Michael Haggertye2865422015-07-28 23:08:19 +02001302 if (wordlen >= 1)
Keith McGuiganb7410f62016-06-14 14:28:56 -04001303 string_list_append_nodup(g->list,
Michael Haggertye2865422015-07-28 23:08:19 +02001304 xstrndup(value, wordlen));
1305 value += wordlen + (value[wordlen] != '\0');
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001306 }
1307 }
1308
1309 return 0;
1310}
1311
1312static int add_remote_or_group(const char *name, struct string_list *list)
1313{
1314 int prev_nr = list->nr;
Gary V. Vaughan66dbfd52010-05-14 09:31:33 +00001315 struct remote_group_data g;
1316 g.name = name; g.list = list;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001317
1318 git_config(get_remote_group, &g);
1319 if (list->nr == prev_nr) {
Thomas Gummerer674468b2016-02-16 10:47:50 +01001320 struct remote *remote = remote_get(name);
Johannes Schindeline459b072017-01-19 22:20:02 +01001321 if (!remote_is_configured(remote, 0))
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001322 return 0;
Julian Phillips1d2f80f2010-06-26 00:41:38 +01001323 string_list_append(list, remote->name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001324 }
1325 return 1;
1326}
1327
Jeff King85556d42012-09-01 07:27:35 -04001328static void add_options_to_argv(struct argv_array *argv)
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001329{
1330 if (dry_run)
Jeff King85556d42012-09-01 07:27:35 -04001331 argv_array_push(argv, "--dry-run");
Michael Haggerty90765fa2013-10-30 06:33:04 +01001332 if (prune != -1)
1333 argv_array_push(argv, prune ? "--prune" : "--no-prune");
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001334 if (prune_tags != -1)
1335 argv_array_push(argv, prune_tags ? "--prune-tags" : "--no-prune-tags");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001336 if (update_head_ok)
Jeff King85556d42012-09-01 07:27:35 -04001337 argv_array_push(argv, "--update-head-ok");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001338 if (force)
Jeff King85556d42012-09-01 07:27:35 -04001339 argv_array_push(argv, "--force");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001340 if (keep)
Jeff King85556d42012-09-01 07:27:35 -04001341 argv_array_push(argv, "--keep");
Jens Lehmannbe254a02010-11-11 00:55:02 +01001342 if (recurse_submodules == RECURSE_SUBMODULES_ON)
Jeff King85556d42012-09-01 07:27:35 -04001343 argv_array_push(argv, "--recurse-submodules");
Jens Lehmann8f0700d2011-03-06 23:11:21 +01001344 else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
Jeff King85556d42012-09-01 07:27:35 -04001345 argv_array_push(argv, "--recurse-submodules=on-demand");
Dan Johnson85566462012-09-05 17:22:19 -04001346 if (tags == TAGS_SET)
1347 argv_array_push(argv, "--tags");
1348 else if (tags == TAGS_UNSET)
1349 argv_array_push(argv, "--no-tags");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001350 if (verbosity >= 2)
Jeff King85556d42012-09-01 07:27:35 -04001351 argv_array_push(argv, "-v");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001352 if (verbosity >= 1)
Jeff King85556d42012-09-01 07:27:35 -04001353 argv_array_push(argv, "-v");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001354 else if (verbosity < 0)
Jeff King85556d42012-09-01 07:27:35 -04001355 argv_array_push(argv, "-q");
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001356
1357}
1358
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001359static int fetch_multiple(struct string_list *list)
1360{
1361 int i, result = 0;
Jeff King85556d42012-09-01 07:27:35 -04001362 struct argv_array argv = ARGV_ARRAY_INIT;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001363
Junio C Hamanoe6cc5102010-02-24 11:02:05 -08001364 if (!append && !dry_run) {
1365 int errcode = truncate_fetch_head();
1366 if (errcode)
1367 return errcode;
1368 }
1369
Jeff King85556d42012-09-01 07:27:35 -04001370 argv_array_pushl(&argv, "fetch", "--append", NULL);
1371 add_options_to_argv(&argv);
1372
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001373 for (i = 0; i < list->nr; i++) {
1374 const char *name = list->items[i].string;
Jeff King85556d42012-09-01 07:27:35 -04001375 argv_array_push(&argv, name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001376 if (verbosity >= 0)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001377 printf(_("Fetching %s\n"), name);
Jeff King85556d42012-09-01 07:27:35 -04001378 if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001379 error(_("Could not fetch %s"), name);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001380 result = 1;
1381 }
Jeff King85556d42012-09-01 07:27:35 -04001382 argv_array_pop(&argv);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001383 }
1384
Jeff King85556d42012-09-01 07:27:35 -04001385 argv_array_clear(&argv);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001386 return result;
1387}
1388
Jeff Hostetleraa57b872017-12-08 15:58:50 +00001389/*
1390 * Fetching from the promisor remote should use the given filter-spec
1391 * or inherit the default filter-spec from the config.
1392 */
1393static inline void fetch_one_setup_partial(struct remote *remote)
1394{
1395 /*
1396 * Explicit --no-filter argument overrides everything, regardless
1397 * of any prior partial clones and fetches.
1398 */
1399 if (filter_options.no_filter)
1400 return;
1401
1402 /*
1403 * If no prior partial clone/fetch and the current fetch DID NOT
1404 * request a partial-fetch, do a normal fetch.
1405 */
1406 if (!repository_format_partial_clone && !filter_options.choice)
1407 return;
1408
1409 /*
1410 * If this is the FIRST partial-fetch request, we enable partial
1411 * on this repo and remember the given filter-spec as the default
1412 * for subsequent fetches to this remote.
1413 */
1414 if (!repository_format_partial_clone && filter_options.choice) {
1415 partial_clone_register(remote->name, &filter_options);
1416 return;
1417 }
1418
1419 /*
1420 * We are currently limited to only ONE promisor remote and only
1421 * allow partial-fetches from the promisor remote.
1422 */
1423 if (strcmp(remote->name, repository_format_partial_clone)) {
1424 if (filter_options.choice)
1425 die(_("--filter can only be used with the remote configured in core.partialClone"));
1426 return;
1427 }
1428
1429 /*
1430 * Do a partial-fetch from the promisor remote using either the
1431 * explicitly given filter-spec or inherit the filter-spec from
1432 * the config.
1433 */
1434 if (!filter_options.choice)
1435 partial_clone_get_default_filter_spec(&filter_options);
1436 return;
1437}
1438
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001439static int fetch_one(struct remote *remote, int argc, const char **argv, int prune_tags_ok)
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001440{
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001441 struct refspec rs = REFSPEC_INIT_FETCH;
1442 int i;
Alex Riesen7b7f39e2008-04-28 22:23:35 +02001443 int exit_code;
Ævar Arnfjörð Bjarmason63179722018-02-09 20:32:16 +00001444 int maybe_prune_tags;
1445 int remote_via_config = remote_is_configured(remote, 0);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001446
Daniel Barkalowfa685bd2009-03-11 01:47:20 -04001447 if (!remote)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001448 die(_("No remote repository specified. Please, specify either a URL or a\n"
1449 "remote name from which new revisions should be fetched."));
Daniel Barkalowfa685bd2009-03-11 01:47:20 -04001450
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001451 gtransport = prepare_transport(remote, 1);
Michael Schubert737c5a92013-07-13 11:36:24 +02001452
1453 if (prune < 0) {
1454 /* no command line request */
Ævar Arnfjörð Bjarmason07118832018-02-09 20:32:02 +00001455 if (0 <= remote->prune)
1456 prune = remote->prune;
Michael Schubert737c5a92013-07-13 11:36:24 +02001457 else if (0 <= fetch_prune_config)
1458 prune = fetch_prune_config;
1459 else
1460 prune = PRUNE_BY_DEFAULT;
1461 }
1462
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001463 if (prune_tags < 0) {
1464 /* no command line request */
1465 if (0 <= remote->prune_tags)
1466 prune_tags = remote->prune_tags;
1467 else if (0 <= fetch_prune_tags_config)
1468 prune_tags = fetch_prune_tags_config;
1469 else
1470 prune_tags = PRUNE_TAGS_BY_DEFAULT;
1471 }
1472
Ævar Arnfjörð Bjarmason63179722018-02-09 20:32:16 +00001473 maybe_prune_tags = prune_tags_ok && prune_tags;
1474 if (maybe_prune_tags && remote_via_config)
Brandon Williams95303502018-05-16 15:58:02 -07001475 refspec_append(&remote->fetch, TAG_REFSPEC);
Ævar Arnfjörð Bjarmason97716d22018-02-09 20:32:15 +00001476
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001477 if (maybe_prune_tags && (argc || !remote_via_config))
1478 refspec_append(&rs, TAG_REFSPEC);
Ævar Arnfjörð Bjarmason63179722018-02-09 20:32:16 +00001479
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001480 for (i = 0; i < argc; i++) {
1481 if (!strcmp(argv[i], "tag")) {
1482 char *tag;
1483 i++;
1484 if (i >= argc)
1485 die(_("You need to specify a tag name."));
1486
1487 tag = xstrfmt("refs/tags/%s:refs/tags/%s",
1488 argv[i], argv[i]);
1489 refspec_append(&rs, tag);
1490 free(tag);
1491 } else {
1492 refspec_append(&rs, argv[i]);
Daniel Barkalowb888d612007-09-10 23:03:25 -04001493 }
Daniel Barkalowb888d612007-09-10 23:03:25 -04001494 }
1495
Brandon Williams5e3548e2018-04-23 15:46:24 -07001496 if (server_options.nr)
1497 gtransport->server_options = &server_options;
1498
Jeff King57b235a2009-01-22 01:03:08 -05001499 sigchain_push_common(unlock_pack_on_signal);
Shawn O. Pearcee4022ed2007-09-14 03:31:25 -04001500 atexit(unlock_pack);
Brandon Williams65a13012018-05-16 15:58:07 -07001501 exit_code = do_fetch(gtransport, &rs);
Brandon Williamsd7c8e302018-05-16 15:58:04 -07001502 refspec_clear(&rs);
Junio C Hamanoaf234452013-08-07 15:38:45 -07001503 transport_disconnect(gtransport);
1504 gtransport = NULL;
Alex Riesen7b7f39e2008-04-28 22:23:35 +02001505 return exit_code;
Daniel Barkalowb888d612007-09-10 23:03:25 -04001506}
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001507
1508int cmd_fetch(int argc, const char **argv, const char *prefix)
1509{
1510 int i;
Keith McGuiganb7410f62016-06-14 14:28:56 -04001511 struct string_list list = STRING_LIST_INIT_DUP;
Jonathan Tana1743342017-12-08 15:58:43 +00001512 struct remote *remote = NULL;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001513 int result = 0;
Junio C Hamanoc1a79022018-03-06 14:54:01 -08001514 int prune_tags_ok = 1;
Nguyễn Thái Ngọc Duy19910062014-08-16 08:19:27 +07001515 struct argv_array argv_gc_auto = ARGV_ARRAY_INIT;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001516
Jeff Kingbbc30f92011-02-24 09:30:19 -05001517 packet_trace_identity("fetch");
1518
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001519 fetch_if_missing = 0;
1520
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001521 /* Record the command line for the reflog */
1522 strbuf_addstr(&default_rla, "fetch");
1523 for (i = 1; i < argc; i++)
1524 strbuf_addf(&default_rla, " %s", argv[i]);
1525
Antonio Ospite71a69532018-06-26 12:47:06 +02001526 fetch_config_from_gitmodules(&max_children, &recurse_submodules);
Michael Schubert737c5a92013-07-13 11:36:24 +02001527 git_config(git_fetch_config, NULL);
1528
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001529 argc = parse_options(argc, argv, prefix,
1530 builtin_fetch_options, builtin_fetch_usage, 0);
1531
Nguyễn Thái Ngọc Duycccf74e2016-06-12 17:54:09 +07001532 if (deepen_relative) {
1533 if (deepen_relative < 0)
1534 die(_("Negative depth in --deepen is not supported"));
1535 if (depth)
1536 die(_("--deepen and --depth are mutually exclusive"));
1537 depth = xstrfmt("%d", deepen_relative);
1538 }
Nguyễn Thái Ngọc Duy4dcb1672013-01-11 16:05:46 +07001539 if (unshallow) {
1540 if (depth)
1541 die(_("--depth and --unshallow cannot be used together"));
Stefan Bellerc8813482018-05-17 15:51:46 -07001542 else if (!is_repository_shallow(the_repository))
Nguyễn Thái Ngọc Duy4dcb1672013-01-11 16:05:46 +07001543 die(_("--unshallow on a complete repository does not make sense"));
Jeff King2805bb52015-09-24 17:07:07 -04001544 else
1545 depth = xstrfmt("%d", INFINITE_DEPTH);
Nguyễn Thái Ngọc Duy4dcb1672013-01-11 16:05:46 +07001546 }
1547
Nguyễn Thái Ngọc Duy5594bca2013-12-05 10:31:11 +07001548 /* no need to be strict, transport_set_option() will validate it again */
1549 if (depth && atoi(depth) < 1)
1550 die(_("depth %s is not a positive number"), depth);
Nguyễn Thái Ngọc Duya45a2602016-06-12 17:54:04 +07001551 if (depth || deepen_since || deepen_not.nr)
Nguyễn Thái Ngọc Duy508ea882016-06-12 17:53:59 +07001552 deepen = 1;
Nguyễn Thái Ngọc Duy5594bca2013-12-05 10:31:11 +07001553
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001554 if (filter_options.choice && !repository_format_partial_clone)
1555 die("--filter can only be used when extensions.partialClone is set");
1556
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001557 if (all) {
1558 if (argc == 1)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001559 die(_("fetch --all does not take a repository argument"));
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001560 else if (argc > 1)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001561 die(_("fetch --all does not make sense with refspecs"));
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001562 (void) for_each_remote(get_one_remote_for_fetch, &list);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001563 } else if (argc == 0) {
1564 /* No arguments -- use default remote */
1565 remote = remote_get(NULL);
Björn Gustavsson16679e32009-11-09 21:10:32 +01001566 } else if (multiple) {
1567 /* All arguments are assumed to be remotes or groups */
1568 for (i = 0; i < argc; i++)
1569 if (!add_remote_or_group(argv[i], &list))
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001570 die(_("No such remote or remote group: %s"), argv[i]);
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001571 } else {
1572 /* Single remote or group */
1573 (void) add_remote_or_group(argv[0], &list);
1574 if (list.nr > 1) {
1575 /* More than one remote */
1576 if (argc > 1)
Ævar Arnfjörð Bjarmasonbd4a51f2011-02-22 23:41:51 +00001577 die(_("Fetching a group and specifying refspecs does not make sense"));
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001578 } else {
1579 /* Zero or one remotes */
1580 remote = remote_get(argv[0]);
Junio C Hamanoc1a79022018-03-06 14:54:01 -08001581 prune_tags_ok = (argc == 1);
Jonathan Tana1743342017-12-08 15:58:43 +00001582 argc--;
1583 argv++;
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001584 }
1585 }
1586
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001587 if (remote) {
Jeff Hostetleraa57b872017-12-08 15:58:50 +00001588 if (filter_options.choice || repository_format_partial_clone)
1589 fetch_one_setup_partial(remote);
Junio C Hamanoc1a79022018-03-06 14:54:01 -08001590 result = fetch_one(remote, argc, argv, prune_tags_ok);
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001591 } else {
1592 if (filter_options.choice)
1593 die(_("--filter can only be used with the remote configured in core.partialClone"));
Jeff Hostetleraa57b872017-12-08 15:58:50 +00001594 /* TODO should this also die if we have a previous partial-clone? */
Jonathan Tana1743342017-12-08 15:58:43 +00001595 result = fetch_multiple(&list);
Jeff Hostetleracb0c572017-12-08 15:58:44 +00001596 }
Jonathan Tana1743342017-12-08 15:58:43 +00001597
Jens Lehmannbe254a02010-11-11 00:55:02 +01001598 if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
Jeff King85556d42012-09-01 07:27:35 -04001599 struct argv_array options = ARGV_ARRAY_INIT;
1600
1601 add_options_to_argv(&options);
Brandon Williamse7241972017-12-12 11:53:52 -08001602 result = fetch_populated_submodules(the_repository,
1603 &options,
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001604 submodule_prefix,
Jens Lehmann8f0700d2011-03-06 23:11:21 +01001605 recurse_submodules,
Brandon Williams8fa29152017-08-02 12:49:19 -07001606 recurse_submodules_default,
Stefan Beller62104ba2015-12-15 16:04:12 -08001607 verbosity < 0,
1608 max_children);
Jeff King85556d42012-09-01 07:27:35 -04001609 argv_array_clear(&options);
Jens Lehmann7dce19d2010-11-12 13:54:52 +01001610 }
1611
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001612 string_list_clear(&list, 0);
1613
Stefan Bellerd0b59862018-03-23 18:21:00 +01001614 close_all_packs(the_repository->objects);
Johannes Schindelin0898c962016-01-13 18:20:11 +01001615
Nguyễn Thái Ngọc Duy19910062014-08-16 08:19:27 +07001616 argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
Nguyễn Thái Ngọc Duy6fceed32014-08-16 08:19:28 +07001617 if (verbosity < 0)
1618 argv_array_push(&argv_gc_auto, "--quiet");
Nguyễn Thái Ngọc Duy19910062014-08-16 08:19:27 +07001619 run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD);
1620 argv_array_clear(&argv_gc_auto);
Jeff King131b8fc2013-01-26 17:40:38 -05001621
Björn Gustavsson9c4a0362009-11-09 21:09:56 +01001622 return result;
1623}