5 static struct refspec s_tag_refspec = {
12 const struct refspec *tag_refspec = &s_tag_refspec;
14 struct counted_string {
21 struct counted_string *instead_of;
26 static struct remote **remotes;
27 static int remotes_alloc;
28 static int remotes_nr;
30 static struct branch **branches;
31 static int branches_alloc;
32 static int branches_nr;
34 static struct branch *current_branch;
35 static const char *default_remote_name;
37 static struct rewrite **rewrite;
38 static int rewrite_alloc;
39 static int rewrite_nr;
41 #define BUF_SIZE (2048)
42 static char buffer[BUF_SIZE];
44 static const char *alias_url(const char *url)
48 struct counted_string *longest;
53 for (i = 0; i < rewrite_nr; i++) {
56 for (j = 0; j < rewrite[i]->instead_of_nr; j++) {
57 if (!prefixcmp(url, rewrite[i]->instead_of[j].s) &&
59 longest->len < rewrite[i]->instead_of[j].len)) {
60 longest = &(rewrite[i]->instead_of[j]);
68 ret = malloc(rewrite[longest_i]->baselen +
69 (strlen(url) - longest->len) + 1);
70 strcpy(ret, rewrite[longest_i]->base);
71 strcpy(ret + rewrite[longest_i]->baselen, url + longest->len);
75 static void add_push_refspec(struct remote *remote, const char *ref)
77 ALLOC_GROW(remote->push_refspec,
78 remote->push_refspec_nr + 1,
79 remote->push_refspec_alloc);
80 remote->push_refspec[remote->push_refspec_nr++] = ref;
83 static void add_fetch_refspec(struct remote *remote, const char *ref)
85 ALLOC_GROW(remote->fetch_refspec,
86 remote->fetch_refspec_nr + 1,
87 remote->fetch_refspec_alloc);
88 remote->fetch_refspec[remote->fetch_refspec_nr++] = ref;
91 static void add_url(struct remote *remote, const char *url)
93 ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);
94 remote->url[remote->url_nr++] = url;
97 static void add_url_alias(struct remote *remote, const char *url)
99 add_url(remote, alias_url(url));
102 static struct remote *make_remote(const char *name, int len)
107 for (i = 0; i < remotes_nr; i++) {
108 if (len ? (!strncmp(name, remotes[i]->name, len) &&
109 !remotes[i]->name[len]) :
110 !strcmp(name, remotes[i]->name))
114 ret = xcalloc(1, sizeof(struct remote));
115 ALLOC_GROW(remotes, remotes_nr + 1, remotes_alloc);
116 remotes[remotes_nr++] = ret;
118 ret->name = xstrndup(name, len);
120 ret->name = xstrdup(name);
124 static void add_merge(struct branch *branch, const char *name)
126 ALLOC_GROW(branch->merge_name, branch->merge_nr + 1,
127 branch->merge_alloc);
128 branch->merge_name[branch->merge_nr++] = name;
131 static struct branch *make_branch(const char *name, int len)
137 for (i = 0; i < branches_nr; i++) {
138 if (len ? (!strncmp(name, branches[i]->name, len) &&
139 !branches[i]->name[len]) :
140 !strcmp(name, branches[i]->name))
144 ALLOC_GROW(branches, branches_nr + 1, branches_alloc);
145 ret = xcalloc(1, sizeof(struct branch));
146 branches[branches_nr++] = ret;
148 ret->name = xstrndup(name, len);
150 ret->name = xstrdup(name);
151 refname = malloc(strlen(name) + strlen("refs/heads/") + 1);
152 strcpy(refname, "refs/heads/");
153 strcpy(refname + strlen("refs/heads/"), ret->name);
154 ret->refname = refname;
159 static struct rewrite *make_rewrite(const char *base, int len)
164 for (i = 0; i < rewrite_nr; i++) {
166 ? (len == rewrite[i]->baselen &&
167 !strncmp(base, rewrite[i]->base, len))
168 : !strcmp(base, rewrite[i]->base))
172 ALLOC_GROW(rewrite, rewrite_nr + 1, rewrite_alloc);
173 ret = xcalloc(1, sizeof(struct rewrite));
174 rewrite[rewrite_nr++] = ret;
176 ret->base = xstrndup(base, len);
180 ret->base = xstrdup(base);
181 ret->baselen = strlen(base);
186 static void add_instead_of(struct rewrite *rewrite, const char *instead_of)
188 ALLOC_GROW(rewrite->instead_of, rewrite->instead_of_nr + 1, rewrite->instead_of_alloc);
189 rewrite->instead_of[rewrite->instead_of_nr].s = instead_of;
190 rewrite->instead_of[rewrite->instead_of_nr].len = strlen(instead_of);
191 rewrite->instead_of_nr++;
194 static void read_remotes_file(struct remote *remote)
196 FILE *f = fopen(git_path("remotes/%s", remote->name), "r");
200 while (fgets(buffer, BUF_SIZE, f)) {
204 if (!prefixcmp(buffer, "URL:")) {
207 } else if (!prefixcmp(buffer, "Push:")) {
210 } else if (!prefixcmp(buffer, "Pull:")) {
222 while (isspace(p[-1]))
225 switch (value_list) {
227 add_url_alias(remote, xstrdup(s));
230 add_push_refspec(remote, xstrdup(s));
233 add_fetch_refspec(remote, xstrdup(s));
240 static void read_branches_file(struct remote *remote)
242 const char *slash = strchr(remote->name, '/');
244 struct strbuf branch;
245 int n = slash ? slash - remote->name : 1000;
246 FILE *f = fopen(git_path("branches/%.*s", n, remote->name), "r");
252 s = fgets(buffer, BUF_SIZE, f);
261 while (isspace(p[-1]))
265 len += strlen(slash);
266 p = xmalloc(len + 1);
272 * With "slash", e.g. "git fetch jgarzik/netdev-2.6" when
273 * reading from $GIT_DIR/branches/jgarzik fetches "HEAD" from
274 * the partial URL obtained from the branches file plus
275 * "/netdev-2.6" and does not store it in any tracking ref.
276 * #branch specifier in the file is ignored.
278 * Otherwise, the branches file would have URL and optionally
279 * #branch specified. The "master" (or specified) branch is
280 * fetched and stored in the local branch of the same name.
282 strbuf_init(&branch, 0);
283 frag = strchr(p, '#');
286 strbuf_addf(&branch, "refs/heads/%s", frag);
288 strbuf_addstr(&branch, "refs/heads/master");
290 strbuf_addf(&branch, ":refs/heads/%s", remote->name);
292 strbuf_reset(&branch);
293 strbuf_addstr(&branch, "HEAD:");
295 add_url_alias(remote, p);
296 add_fetch_refspec(remote, strbuf_detach(&branch, 0));
297 remote->fetch_tags = 1; /* always auto-follow */
300 static int handle_config(const char *key, const char *value)
304 struct remote *remote;
305 struct branch *branch;
306 if (!prefixcmp(key, "branch.")) {
308 subkey = strrchr(name, '.');
311 branch = make_branch(name, subkey - name);
312 if (!strcmp(subkey, ".remote")) {
314 return config_error_nonbool(key);
315 branch->remote_name = xstrdup(value);
316 if (branch == current_branch)
317 default_remote_name = branch->remote_name;
318 } else if (!strcmp(subkey, ".merge")) {
320 return config_error_nonbool(key);
321 add_merge(branch, xstrdup(value));
325 if (!prefixcmp(key, "url.")) {
326 struct rewrite *rewrite;
328 subkey = strrchr(name, '.');
331 rewrite = make_rewrite(name, subkey - name);
332 if (!strcmp(subkey, ".insteadof")) {
334 return config_error_nonbool(key);
335 add_instead_of(rewrite, xstrdup(value));
338 if (prefixcmp(key, "remote."))
341 subkey = strrchr(name, '.');
343 return error("Config with no key for remote %s", name);
344 if (*subkey == '/') {
345 warning("Config remote shorthand cannot begin with '/': %s", name);
348 remote = make_remote(name, subkey - name);
350 /* if we ever have a boolean variable, e.g. "remote.*.disabled"
353 * is a valid way to set it to true; we get NULL in value so
354 * we need to handle it here.
356 * if (!strcmp(subkey, ".disabled")) {
357 * val = git_config_bool(key, value);
362 return 0; /* ignore unknown booleans */
364 if (!strcmp(subkey, ".url")) {
365 add_url(remote, xstrdup(value));
366 } else if (!strcmp(subkey, ".push")) {
367 add_push_refspec(remote, xstrdup(value));
368 } else if (!strcmp(subkey, ".fetch")) {
369 add_fetch_refspec(remote, xstrdup(value));
370 } else if (!strcmp(subkey, ".receivepack")) {
371 if (!remote->receivepack)
372 remote->receivepack = xstrdup(value);
374 error("more than one receivepack given, using the first");
375 } else if (!strcmp(subkey, ".uploadpack")) {
376 if (!remote->uploadpack)
377 remote->uploadpack = xstrdup(value);
379 error("more than one uploadpack given, using the first");
380 } else if (!strcmp(subkey, ".tagopt")) {
381 if (!strcmp(value, "--no-tags"))
382 remote->fetch_tags = -1;
383 } else if (!strcmp(subkey, ".proxy")) {
384 remote->http_proxy = xstrdup(value);
385 } else if (!strcmp(subkey, ".skipdefaultupdate"))
386 remote->skip_default_update = 1;
390 static void alias_all_urls(void)
393 for (i = 0; i < remotes_nr; i++) {
396 for (j = 0; j < remotes[i]->url_nr; j++) {
397 remotes[i]->url[j] = alias_url(remotes[i]->url[j]);
402 static void read_config(void)
404 unsigned char sha1[20];
405 const char *head_ref;
407 if (default_remote_name) // did this already
409 default_remote_name = xstrdup("origin");
410 current_branch = NULL;
411 head_ref = resolve_ref("HEAD", sha1, 0, &flag);
412 if (head_ref && (flag & REF_ISSYMREF) &&
413 !prefixcmp(head_ref, "refs/heads/")) {
415 make_branch(head_ref + strlen("refs/heads/"), 0);
417 git_config(handle_config);
421 static struct refspec *parse_refspec_internal(int nr_refspec, const char **refspec, int fetch, int verify)
425 struct refspec *rs = xcalloc(sizeof(*rs), nr_refspec);
427 for (i = 0; i < nr_refspec; i++) {
430 const char *lhs, *rhs;
432 llen = rlen = is_glob = 0;
440 rhs = strrchr(lhs, ':');
444 is_glob = (2 <= rlen && !strcmp(rhs + rlen - 2, "/*"));
447 rs[i].dst = xstrndup(rhs, rlen);
450 llen = (rhs ? (rhs - lhs - 1) : strlen(lhs));
451 if (2 <= llen && !memcmp(lhs + llen - 2, "/*", 2)) {
452 if ((rhs && !is_glob) || (!rhs && fetch))
456 } else if (rhs && is_glob) {
460 rs[i].pattern = is_glob;
461 rs[i].src = xstrndup(lhs, llen);
466 * - empty is allowed; it means HEAD.
467 * - otherwise it must be a valid looking ref.
472 st = check_ref_format(rs[i].src);
473 if (st && st != CHECK_REF_FORMAT_ONELEVEL)
478 * - missing is ok, and is same as empty.
479 * - empty is ok; it means not to store.
480 * - otherwise it must be a valid looking ref.
484 } else if (!*rs[i].dst) {
487 st = check_ref_format(rs[i].dst);
488 if (st && st != CHECK_REF_FORMAT_ONELEVEL)
494 * - empty is allowed; it means delete.
495 * - when wildcarded, it must be a valid looking ref.
496 * - otherwise, it must be an extended SHA-1, but
497 * there is no existing way to validate this.
502 st = check_ref_format(rs[i].src);
503 if (st && st != CHECK_REF_FORMAT_ONELEVEL)
507 ; /* anything goes, for now */
510 * - missing is allowed, but LHS then must be a
512 * - empty is not allowed.
513 * - otherwise it must be a valid looking ref.
516 st = check_ref_format(rs[i].src);
517 if (st && st != CHECK_REF_FORMAT_ONELEVEL)
519 } else if (!*rs[i].dst) {
522 st = check_ref_format(rs[i].dst);
523 if (st && st != CHECK_REF_FORMAT_ONELEVEL)
535 die("Invalid refspec '%s'", refspec[i]);
538 int valid_fetch_refspec(const char *fetch_refspec_str)
540 const char *fetch_refspec[] = { fetch_refspec_str };
541 struct refspec *refspec;
543 refspec = parse_refspec_internal(1, fetch_refspec, 1, 1);
549 struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec)
551 return parse_refspec_internal(nr_refspec, refspec, 1, 0);
554 struct refspec *parse_push_refspec(int nr_refspec, const char **refspec)
556 return parse_refspec_internal(nr_refspec, refspec, 0, 0);
559 static int valid_remote_nick(const char *name)
561 if (!name[0] || /* not empty */
562 (name[0] == '.' && /* not "." */
563 (!name[1] || /* not ".." */
564 (name[1] == '.' && !name[2]))))
566 return !strchr(name, '/'); /* no slash */
569 struct remote *remote_get(const char *name)
575 name = default_remote_name;
576 ret = make_remote(name, 0);
577 if (valid_remote_nick(name)) {
579 read_remotes_file(ret);
581 read_branches_file(ret);
584 add_url_alias(ret, name);
587 ret->fetch = parse_fetch_refspec(ret->fetch_refspec_nr, ret->fetch_refspec);
588 ret->push = parse_push_refspec(ret->push_refspec_nr, ret->push_refspec);
592 int for_each_remote(each_remote_fn fn, void *priv)
596 for (i = 0; i < remotes_nr && !result; i++) {
597 struct remote *r = remotes[i];
601 r->fetch = parse_fetch_refspec(r->fetch_refspec_nr,
604 r->push = parse_push_refspec(r->push_refspec_nr,
606 result = fn(r, priv);
611 void ref_remove_duplicates(struct ref *ref_map)
615 for (; ref_map; ref_map = ref_map->next) {
616 if (!ref_map->peer_ref)
618 posn = &ref_map->next;
620 if ((*posn)->peer_ref &&
621 !strcmp((*posn)->peer_ref->name,
622 ref_map->peer_ref->name)) {
623 if (strcmp((*posn)->name, ref_map->name))
624 die("%s tracks both %s and %s",
625 ref_map->peer_ref->name,
626 (*posn)->name, ref_map->name);
627 next = (*posn)->next;
628 free((*posn)->peer_ref);
632 posn = &(*posn)->next;
638 int remote_has_url(struct remote *remote, const char *url)
641 for (i = 0; i < remote->url_nr; i++) {
642 if (!strcmp(remote->url[i], url))
648 int remote_find_tracking(struct remote *remote, struct refspec *refspec)
650 int find_src = refspec->src == NULL;
651 char *needle, **result;
656 return error("find_tracking: need either src or dst");
657 needle = refspec->dst;
658 result = &refspec->src;
660 needle = refspec->src;
661 result = &refspec->dst;
664 for (i = 0; i < remote->fetch_refspec_nr; i++) {
665 struct refspec *fetch = &remote->fetch[i];
666 const char *key = find_src ? fetch->dst : fetch->src;
667 const char *value = find_src ? fetch->src : fetch->dst;
670 if (fetch->pattern) {
671 if (!prefixcmp(needle, key) &&
672 needle[strlen(key)] == '/') {
673 *result = xmalloc(strlen(value) +
676 strcpy(*result, value);
677 strcpy(*result + strlen(value),
678 needle + strlen(key));
679 refspec->force = fetch->force;
682 } else if (!strcmp(needle, key)) {
683 *result = xstrdup(value);
684 refspec->force = fetch->force;
691 struct ref *alloc_ref(unsigned namelen)
693 struct ref *ret = xmalloc(sizeof(struct ref) + namelen);
694 memset(ret, 0, sizeof(struct ref) + namelen);
698 static struct ref *copy_ref(const struct ref *ref)
700 struct ref *ret = xmalloc(sizeof(struct ref) + strlen(ref->name) + 1);
701 memcpy(ret, ref, sizeof(struct ref) + strlen(ref->name) + 1);
706 struct ref *copy_ref_list(const struct ref *ref)
708 struct ref *ret = NULL;
709 struct ref **tail = &ret;
711 *tail = copy_ref(ref);
713 tail = &((*tail)->next);
718 void free_refs(struct ref *ref)
729 static int count_refspec_match(const char *pattern,
731 struct ref **matched_ref)
733 int patlen = strlen(pattern);
734 struct ref *matched_weak = NULL;
735 struct ref *matched = NULL;
739 for (weak_match = match = 0; refs; refs = refs->next) {
740 char *name = refs->name;
741 int namelen = strlen(name);
743 if (!refname_match(pattern, name, ref_rev_parse_rules))
746 /* A match is "weak" if it is with refs outside
747 * heads or tags, and did not specify the pattern
748 * in full (e.g. "refs/remotes/origin/master") or at
749 * least from the toplevel (e.g. "remotes/origin/master");
750 * otherwise "git push $URL master" would result in
751 * ambiguity between remotes/origin/master and heads/master
752 * at the remote site.
754 if (namelen != patlen &&
755 patlen != namelen - 5 &&
756 prefixcmp(name, "refs/heads/") &&
757 prefixcmp(name, "refs/tags/")) {
758 /* We want to catch the case where only weak
759 * matches are found and there are multiple
760 * matches, and where more than one strong
761 * matches are found, as ambiguous. One
762 * strong match with zero or more weak matches
763 * are acceptable as a unique match.
774 *matched_ref = matched_weak;
778 *matched_ref = matched;
783 static void tail_link_ref(struct ref *ref, struct ref ***tail)
791 static struct ref *try_explicit_object_name(const char *name)
793 unsigned char sha1[20];
799 strcpy(ref->name, "(delete)");
800 hashclr(ref->new_sha1);
803 if (get_sha1(name, sha1))
805 len = strlen(name) + 1;
806 ref = alloc_ref(len);
807 memcpy(ref->name, name, len);
808 hashcpy(ref->new_sha1, sha1);
812 static struct ref *make_linked_ref(const char *name, struct ref ***tail)
817 len = strlen(name) + 1;
818 ret = alloc_ref(len);
819 memcpy(ret->name, name, len);
820 tail_link_ref(ret, tail);
824 static char *guess_ref(const char *name, struct ref *peer)
826 struct strbuf buf = STRBUF_INIT;
827 unsigned char sha1[20];
829 const char *r = resolve_ref(peer->name, sha1, 1, NULL);
833 if (!prefixcmp(r, "refs/heads/"))
834 strbuf_addstr(&buf, "refs/heads/");
835 else if (!prefixcmp(r, "refs/tags/"))
836 strbuf_addstr(&buf, "refs/tags/");
840 strbuf_addstr(&buf, name);
841 return strbuf_detach(&buf, NULL);
844 static int match_explicit(struct ref *src, struct ref *dst,
845 struct ref ***dst_tail,
849 struct ref *matched_src, *matched_dst;
851 const char *dst_value = rs->dst;
857 matched_src = matched_dst = NULL;
858 switch (count_refspec_match(rs->src, src, &matched_src)) {
862 /* The source could be in the get_sha1() format
863 * not a reference name. :refs/other is a
864 * way to delete 'other' ref at the remote end.
866 matched_src = try_explicit_object_name(rs->src);
868 error("src refspec %s does not match any.", rs->src);
872 error("src refspec %s matches more than one.", rs->src);
880 unsigned char sha1[20];
885 dst_value = resolve_ref(matched_src->name, sha1, 1, &flag);
887 ((flag & REF_ISSYMREF) &&
888 prefixcmp(dst_value, "refs/heads/")))
889 die("%s cannot be resolved to branch.",
893 switch (count_refspec_match(dst_value, dst, &matched_dst)) {
897 if (!memcmp(dst_value, "refs/", 5))
898 matched_dst = make_linked_ref(dst_value, dst_tail);
899 else if((dst_guess = guess_ref(dst_value, matched_src)))
900 matched_dst = make_linked_ref(dst_guess, dst_tail);
902 error("unable to push to unqualified destination: %s\n"
903 "The destination refspec neither matches an "
904 "existing ref on the remote nor\n"
905 "begins with refs/, and we are unable to "
906 "guess a prefix based on the source ref.",
911 error("dst refspec %s matches more than one.",
915 if (errs || !matched_dst)
917 if (matched_dst->peer_ref) {
919 error("dst ref %s receives from more than one src.",
923 matched_dst->peer_ref = matched_src;
924 matched_dst->force = rs->force;
929 static int match_explicit_refs(struct ref *src, struct ref *dst,
930 struct ref ***dst_tail, struct refspec *rs,
934 for (i = errs = 0; i < rs_nr; i++)
935 errs |= match_explicit(src, dst, dst_tail, &rs[i], errs);
939 static const struct refspec *check_pattern_match(const struct refspec *rs,
941 const struct ref *src)
944 for (i = 0; i < rs_nr; i++) {
946 !prefixcmp(src->name, rs[i].src) &&
947 src->name[strlen(rs[i].src)] == '/')
954 * Note. This is used only by "push"; refspec matching rules for
955 * push and fetch are subtly different, so do not try to reuse it
958 int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
959 int nr_refspec, const char **refspec, int flags)
962 parse_push_refspec(nr_refspec, (const char **) refspec);
963 int send_all = flags & MATCH_REFS_ALL;
964 int send_mirror = flags & MATCH_REFS_MIRROR;
966 if (match_explicit_refs(src, dst, dst_tail, rs, nr_refspec))
969 /* pick the remainder */
970 for ( ; src; src = src->next) {
971 struct ref *dst_peer;
972 const struct refspec *pat = NULL;
977 pat = check_pattern_match(rs, nr_refspec, src);
981 else if (!send_mirror && prefixcmp(src->name, "refs/heads/"))
983 * "matching refs"; traditionally we pushed everything
984 * including refs outside refs/heads/ hierarchy, but
985 * that does not make much sense these days.
990 const char *dst_side = pat->dst ? pat->dst : pat->src;
991 dst_name = xmalloc(strlen(dst_side) +
993 strlen(pat->src) + 2);
994 strcpy(dst_name, dst_side);
995 strcat(dst_name, src->name + strlen(pat->src));
997 dst_name = xstrdup(src->name);
998 dst_peer = find_ref_by_name(dst, dst_name);
999 if (dst_peer && dst_peer->peer_ref)
1000 /* We're already sending something to this ref. */
1003 if (!dst_peer && !nr_refspec && !(send_all || send_mirror))
1005 * Remote doesn't have it, and we have no
1006 * explicit pattern, and we don't have
1007 * --all nor --mirror.
1011 /* Create a new one and link it */
1012 dst_peer = make_linked_ref(dst_name, dst_tail);
1013 hashcpy(dst_peer->new_sha1, src->new_sha1);
1015 dst_peer->peer_ref = src;
1017 dst_peer->force = pat->force;
1024 struct branch *branch_get(const char *name)
1029 if (!name || !*name || !strcmp(name, "HEAD"))
1030 ret = current_branch;
1032 ret = make_branch(name, 0);
1033 if (ret && ret->remote_name) {
1034 ret->remote = remote_get(ret->remote_name);
1035 if (ret->merge_nr) {
1037 ret->merge = xcalloc(sizeof(*ret->merge),
1039 for (i = 0; i < ret->merge_nr; i++) {
1040 ret->merge[i] = xcalloc(1, sizeof(**ret->merge));
1041 ret->merge[i]->src = xstrdup(ret->merge_name[i]);
1042 remote_find_tracking(ret->remote,
1050 int branch_has_merge_config(struct branch *branch)
1052 return branch && !!branch->merge;
1055 int branch_merge_matches(struct branch *branch,
1057 const char *refname)
1059 if (!branch || i < 0 || i >= branch->merge_nr)
1061 return refname_match(branch->merge[i]->src, refname, ref_fetch_rules);
1064 static struct ref *get_expanded_map(const struct ref *remote_refs,
1065 const struct refspec *refspec)
1067 const struct ref *ref;
1068 struct ref *ret = NULL;
1069 struct ref **tail = &ret;
1071 int remote_prefix_len = strlen(refspec->src);
1072 int local_prefix_len = strlen(refspec->dst);
1074 for (ref = remote_refs; ref; ref = ref->next) {
1075 if (strchr(ref->name, '^'))
1076 continue; /* a dereference item */
1077 if (!prefixcmp(ref->name, refspec->src)) {
1079 struct ref *cpy = copy_ref(ref);
1080 match = ref->name + remote_prefix_len;
1082 cpy->peer_ref = alloc_ref(local_prefix_len +
1084 sprintf(cpy->peer_ref->name, "%s%s",
1085 refspec->dst, match);
1087 cpy->peer_ref->force = 1;
1096 static const struct ref *find_ref_by_name_abbrev(const struct ref *refs, const char *name)
1098 const struct ref *ref;
1099 for (ref = refs; ref; ref = ref->next) {
1100 if (refname_match(name, ref->name, ref_fetch_rules))
1106 struct ref *get_remote_ref(const struct ref *remote_refs, const char *name)
1108 const struct ref *ref = find_ref_by_name_abbrev(remote_refs, name);
1113 return copy_ref(ref);
1116 static struct ref *get_local_ref(const char *name)
1122 if (!prefixcmp(name, "refs/")) {
1123 ret = alloc_ref(strlen(name) + 1);
1124 strcpy(ret->name, name);
1128 if (!prefixcmp(name, "heads/") ||
1129 !prefixcmp(name, "tags/") ||
1130 !prefixcmp(name, "remotes/")) {
1131 ret = alloc_ref(strlen(name) + 6);
1132 sprintf(ret->name, "refs/%s", name);
1136 ret = alloc_ref(strlen(name) + 12);
1137 sprintf(ret->name, "refs/heads/%s", name);
1141 int get_fetch_map(const struct ref *remote_refs,
1142 const struct refspec *refspec,
1146 struct ref *ref_map, **rmp;
1148 if (refspec->pattern) {
1149 ref_map = get_expanded_map(remote_refs, refspec);
1151 const char *name = refspec->src[0] ? refspec->src : "HEAD";
1153 ref_map = get_remote_ref(remote_refs, name);
1154 if (!missing_ok && !ref_map)
1155 die("Couldn't find remote ref %s", name);
1157 ref_map->peer_ref = get_local_ref(refspec->dst);
1158 if (ref_map->peer_ref && refspec->force)
1159 ref_map->peer_ref->force = 1;
1163 for (rmp = &ref_map; *rmp; ) {
1164 if ((*rmp)->peer_ref) {
1165 int st = check_ref_format((*rmp)->peer_ref->name + 5);
1166 if (st && st != CHECK_REF_FORMAT_ONELEVEL) {
1167 struct ref *ignore = *rmp;
1168 error("* Ignoring funny ref '%s' locally",
1169 (*rmp)->peer_ref->name);
1170 *rmp = (*rmp)->next;
1171 free(ignore->peer_ref);
1176 rmp = &((*rmp)->next);
1180 tail_link_ref(ref_map, tail);