10 #include "parse-options.h"
18 #define QUOTE_PYTHON 4
21 typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
25 unsigned long ul; /* used for sorting when not FIELD_STR */
29 struct ref_sort *next;
30 int atom; /* index into used_atom array */
36 unsigned char objectname[20];
39 struct atom_value *value;
48 { "objectsize", FIELD_ULONG },
52 { "numparent", FIELD_ULONG },
59 { "authordate", FIELD_TIME },
63 { "committerdate", FIELD_TIME },
67 { "taggerdate", FIELD_TIME },
69 { "creatordate", FIELD_TIME },
73 { "contents:subject" },
75 { "contents:signature" },
84 * An atom is a valid field atom listed above, possibly prefixed with
85 * a "*" to denote deref_tag().
87 * We parse given format string and sort specifiers, and make a list
88 * of properties that we need to extract out of objects. refinfo
89 * structure will hold an array of values extracted that can be
90 * indexed with the "atom number", which is an index into this
93 static const char **used_atom;
94 static cmp_type *used_atom_type;
95 static int used_atom_cnt, need_tagged, need_symref;
96 static int need_color_reset_at_eol;
99 * Used to parse format string and sort specifiers
101 static int parse_atom(const char *atom, const char *ep)
107 if (*sp == '*' && sp < ep)
110 die("malformed field name: %.*s", (int)(ep-atom), atom);
112 /* Do we have the atom already used elsewhere? */
113 for (i = 0; i < used_atom_cnt; i++) {
114 int len = strlen(used_atom[i]);
115 if (len == ep - atom && !memcmp(used_atom[i], atom, len))
119 /* Is the atom a valid one? */
120 for (i = 0; i < ARRAY_SIZE(valid_atom); i++) {
121 int len = strlen(valid_atom[i].name);
123 * If the atom name has a colon, strip it and everything after
124 * it off - it specifies the format for this entry, and
125 * shouldn't be used for checking against the valid_atom
128 const char *formatp = strchr(sp, ':');
129 if (!formatp || ep < formatp)
131 if (len == formatp - sp && !memcmp(valid_atom[i].name, sp, len))
135 if (ARRAY_SIZE(valid_atom) <= i)
136 die("unknown field name: %.*s", (int)(ep-atom), atom);
138 /* Add it in, including the deref prefix */
141 used_atom = xrealloc(used_atom,
142 (sizeof *used_atom) * used_atom_cnt);
143 used_atom_type = xrealloc(used_atom_type,
144 (sizeof(*used_atom_type) * used_atom_cnt));
145 used_atom[at] = xmemdupz(atom, ep - atom);
146 used_atom_type[at] = valid_atom[i].cmp_type;
149 if (!strcmp(used_atom[at], "symref"))
155 * In a format string, find the next occurrence of %(atom).
157 static const char *find_next(const char *cp)
162 * %( is the start of an atom;
163 * %% is a quoted per-cent.
167 else if (cp[1] == '%')
168 cp++; /* skip over two % */
169 /* otherwise this is a singleton, literal % */
177 * Make sure the format string is well formed, and parse out
180 static int verify_format(const char *format)
183 static const char color_reset[] = "color:reset";
185 need_color_reset_at_eol = 0;
186 for (cp = format; *cp && (sp = find_next(cp)); ) {
187 const char *ep = strchr(sp, ')');
191 return error("malformed format string %s", sp);
192 /* sp points at "%(" and ep points at the closing ")" */
193 at = parse_atom(sp + 2, ep);
196 if (!memcmp(used_atom[at], "color:", 6))
197 need_color_reset_at_eol = !!strcmp(used_atom[at], color_reset);
203 * Given an object name, read the object data and size, and return a
204 * "struct object". If the object data we are returning is also borrowed
205 * by the "struct object" representation, set *eaten as well---it is a
206 * signal from parse_object_buffer to us not to free the buffer.
208 static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
210 enum object_type type;
211 void *buf = read_sha1_file(sha1, &type, sz);
214 *obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
220 static int grab_objectname(const char *name, const unsigned char *sha1,
221 struct atom_value *v)
223 if (!strcmp(name, "objectname")) {
224 char *s = xmalloc(41);
225 strcpy(s, sha1_to_hex(sha1));
229 if (!strcmp(name, "objectname:short")) {
230 v->s = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
236 /* See grab_values */
237 static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
241 for (i = 0; i < used_atom_cnt; i++) {
242 const char *name = used_atom[i];
243 struct atom_value *v = &val[i];
244 if (!!deref != (*name == '*'))
248 if (!strcmp(name, "objecttype"))
249 v->s = typename(obj->type);
250 else if (!strcmp(name, "objectsize")) {
251 char *s = xmalloc(40);
252 sprintf(s, "%lu", sz);
257 grab_objectname(name, obj->sha1, v);
261 /* See grab_values */
262 static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
265 struct tag *tag = (struct tag *) obj;
267 for (i = 0; i < used_atom_cnt; i++) {
268 const char *name = used_atom[i];
269 struct atom_value *v = &val[i];
270 if (!!deref != (*name == '*'))
274 if (!strcmp(name, "tag"))
276 else if (!strcmp(name, "type") && tag->tagged)
277 v->s = typename(tag->tagged->type);
278 else if (!strcmp(name, "object") && tag->tagged) {
279 char *s = xmalloc(41);
280 strcpy(s, sha1_to_hex(tag->tagged->sha1));
286 static int num_parents(struct commit *commit)
288 struct commit_list *parents;
291 for (i = 0, parents = commit->parents;
293 parents = parents->next)
298 /* See grab_values */
299 static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
302 struct commit *commit = (struct commit *) obj;
304 for (i = 0; i < used_atom_cnt; i++) {
305 const char *name = used_atom[i];
306 struct atom_value *v = &val[i];
307 if (!!deref != (*name == '*'))
311 if (!strcmp(name, "tree")) {
312 char *s = xmalloc(41);
313 strcpy(s, sha1_to_hex(commit->tree->object.sha1));
316 if (!strcmp(name, "numparent")) {
317 char *s = xmalloc(40);
318 v->ul = num_parents(commit);
319 sprintf(s, "%lu", v->ul);
322 else if (!strcmp(name, "parent")) {
323 int num = num_parents(commit);
325 struct commit_list *parents;
326 char *s = xmalloc(41 * num + 1);
328 for (i = 0, parents = commit->parents;
330 parents = parents->next, i = i + 41) {
331 struct commit *parent = parents->item;
332 strcpy(s+i, sha1_to_hex(parent->object.sha1));
342 static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz)
346 if (!strncmp(buf, who, wholen) &&
348 return buf + wholen + 1;
349 eol = strchr(buf, '\n');
354 return ""; /* end of header */
360 static const char *copy_line(const char *buf)
362 const char *eol = strchrnul(buf, '\n');
363 return xmemdupz(buf, eol - buf);
366 static const char *copy_name(const char *buf)
369 for (cp = buf; *cp && *cp != '\n'; cp++) {
370 if (!strncmp(cp, " <", 2))
371 return xmemdupz(buf, cp - buf);
376 static const char *copy_email(const char *buf)
378 const char *email = strchr(buf, '<');
382 eoemail = strchr(email, '>');
385 return xmemdupz(email, eoemail + 1 - email);
388 static char *copy_subject(const char *buf, unsigned long len)
390 char *r = xmemdupz(buf, len);
393 for (i = 0; i < len; i++)
400 static void grab_date(const char *buf, struct atom_value *v, const char *atomname)
402 const char *eoemail = strstr(buf, "> ");
404 unsigned long timestamp;
406 enum date_mode date_mode = DATE_NORMAL;
410 * We got here because atomname ends in "date" or "date<something>";
411 * it's not possible that <something> is not ":<format>" because
412 * parse_atom() wouldn't have allowed it, so we can assume that no
413 * ":" means no format is specified, and use the default.
415 formatp = strchr(atomname, ':');
416 if (formatp != NULL) {
418 date_mode = parse_date_format(formatp);
423 timestamp = strtoul(eoemail + 2, &zone, 10);
424 if (timestamp == ULONG_MAX)
426 tz = strtol(zone, NULL, 10);
427 if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE)
429 v->s = xstrdup(show_date(timestamp, tz, date_mode));
437 /* See grab_values */
438 static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
441 int wholen = strlen(who);
442 const char *wholine = NULL;
444 for (i = 0; i < used_atom_cnt; i++) {
445 const char *name = used_atom[i];
446 struct atom_value *v = &val[i];
447 if (!!deref != (*name == '*'))
451 if (strncmp(who, name, wholen))
453 if (name[wholen] != 0 &&
454 strcmp(name + wholen, "name") &&
455 strcmp(name + wholen, "email") &&
456 !starts_with(name + wholen, "date"))
459 wholine = find_wholine(who, wholen, buf, sz);
461 return; /* no point looking for it */
462 if (name[wholen] == 0)
463 v->s = copy_line(wholine);
464 else if (!strcmp(name + wholen, "name"))
465 v->s = copy_name(wholine);
466 else if (!strcmp(name + wholen, "email"))
467 v->s = copy_email(wholine);
468 else if (starts_with(name + wholen, "date"))
469 grab_date(wholine, v, name);
473 * For a tag or a commit object, if "creator" or "creatordate" is
474 * requested, do something special.
476 if (strcmp(who, "tagger") && strcmp(who, "committer"))
477 return; /* "author" for commit object is not wanted */
479 wholine = find_wholine(who, wholen, buf, sz);
482 for (i = 0; i < used_atom_cnt; i++) {
483 const char *name = used_atom[i];
484 struct atom_value *v = &val[i];
485 if (!!deref != (*name == '*'))
490 if (starts_with(name, "creatordate"))
491 grab_date(wholine, v, name);
492 else if (!strcmp(name, "creator"))
493 v->s = copy_line(wholine);
497 static void find_subpos(const char *buf, unsigned long sz,
498 const char **sub, unsigned long *sublen,
499 const char **body, unsigned long *bodylen,
500 unsigned long *nonsiglen,
501 const char **sig, unsigned long *siglen)
504 /* skip past header until we hit empty line */
505 while (*buf && *buf != '\n') {
506 eol = strchrnul(buf, '\n');
511 /* skip any empty lines */
515 /* parse signature first; we might not even have a subject line */
516 *sig = buf + parse_signature(buf, strlen(buf));
517 *siglen = strlen(*sig);
519 /* subject is first non-empty line */
521 /* subject goes to first empty line */
522 while (buf < *sig && *buf && *buf != '\n') {
523 eol = strchrnul(buf, '\n');
528 *sublen = buf - *sub;
529 /* drop trailing newline, if present */
530 if (*sublen && (*sub)[*sublen - 1] == '\n')
533 /* skip any empty lines */
537 *bodylen = strlen(buf);
538 *nonsiglen = *sig - buf;
541 /* See grab_values */
542 static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
545 const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL;
546 unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0;
548 for (i = 0; i < used_atom_cnt; i++) {
549 const char *name = used_atom[i];
550 struct atom_value *v = &val[i];
551 if (!!deref != (*name == '*'))
555 if (strcmp(name, "subject") &&
556 strcmp(name, "body") &&
557 strcmp(name, "contents") &&
558 strcmp(name, "contents:subject") &&
559 strcmp(name, "contents:body") &&
560 strcmp(name, "contents:signature"))
565 &bodypos, &bodylen, &nonsiglen,
568 if (!strcmp(name, "subject"))
569 v->s = copy_subject(subpos, sublen);
570 else if (!strcmp(name, "contents:subject"))
571 v->s = copy_subject(subpos, sublen);
572 else if (!strcmp(name, "body"))
573 v->s = xmemdupz(bodypos, bodylen);
574 else if (!strcmp(name, "contents:body"))
575 v->s = xmemdupz(bodypos, nonsiglen);
576 else if (!strcmp(name, "contents:signature"))
577 v->s = xmemdupz(sigpos, siglen);
578 else if (!strcmp(name, "contents"))
579 v->s = xstrdup(subpos);
584 * We want to have empty print-string for field requests
585 * that do not apply (e.g. "authordate" for a tag object)
587 static void fill_missing_values(struct atom_value *val)
590 for (i = 0; i < used_atom_cnt; i++) {
591 struct atom_value *v = &val[i];
598 * val is a list of atom_value to hold returned values. Extract
599 * the values for atoms in used_atom array out of (obj, buf, sz).
600 * when deref is false, (obj, buf, sz) is the object that is
601 * pointed at by the ref itself; otherwise it is the object the
602 * ref (which is a tag) refers to.
604 static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
606 grab_common_values(val, deref, obj, buf, sz);
609 grab_tag_values(val, deref, obj, buf, sz);
610 grab_sub_body_contents(val, deref, obj, buf, sz);
611 grab_person("tagger", val, deref, obj, buf, sz);
614 grab_commit_values(val, deref, obj, buf, sz);
615 grab_sub_body_contents(val, deref, obj, buf, sz);
616 grab_person("author", val, deref, obj, buf, sz);
617 grab_person("committer", val, deref, obj, buf, sz);
620 /* grab_tree_values(val, deref, obj, buf, sz); */
623 /* grab_blob_values(val, deref, obj, buf, sz); */
626 die("Eh? Object of type %d?", obj->type);
630 static inline char *copy_advance(char *dst, const char *src)
638 * Parse the object referred by ref, and grab needed value.
640 static void populate_value(struct refinfo *ref)
646 const unsigned char *tagged;
648 ref->value = xcalloc(sizeof(struct atom_value), used_atom_cnt);
650 if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) {
651 unsigned char unused1[20];
652 ref->symref = resolve_refdup(ref->refname, unused1, 1, NULL);
657 /* Fill in specials first */
658 for (i = 0; i < used_atom_cnt; i++) {
659 const char *name = used_atom[i];
660 struct atom_value *v = &ref->value[i];
664 struct branch *branch = NULL;
671 if (starts_with(name, "refname"))
672 refname = ref->refname;
673 else if (starts_with(name, "symref"))
674 refname = ref->symref ? ref->symref : "";
675 else if (starts_with(name, "upstream")) {
676 /* only local branches may have an upstream */
677 if (!starts_with(ref->refname, "refs/heads/"))
679 branch = branch_get(ref->refname + 11);
681 if (!branch || !branch->merge || !branch->merge[0] ||
682 !branch->merge[0]->dst)
684 refname = branch->merge[0]->dst;
685 } else if (starts_with(name, "color:")) {
686 char color[COLOR_MAXLEN] = "";
688 color_parse(name + 6, "--format", color);
689 v->s = xstrdup(color);
691 } else if (!strcmp(name, "flag")) {
692 char buf[256], *cp = buf;
693 if (ref->flag & REF_ISSYMREF)
694 cp = copy_advance(cp, ",symref");
695 if (ref->flag & REF_ISPACKED)
696 cp = copy_advance(cp, ",packed");
701 v->s = xstrdup(buf + 1);
704 } else if (!deref && grab_objectname(name, ref->objectname, v)) {
706 } else if (!strcmp(name, "HEAD")) {
708 unsigned char sha1[20];
710 head = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
711 if (!strcmp(ref->refname, head))
719 formatp = strchr(name, ':');
721 int num_ours, num_theirs;
724 if (!strcmp(formatp, "short"))
725 refname = shorten_unambiguous_ref(refname,
726 warn_ambiguous_refs);
727 else if (!strcmp(formatp, "track") &&
728 starts_with(name, "upstream")) {
731 if (stat_tracking_info(branch, &num_ours,
735 if (!num_ours && !num_theirs)
737 else if (!num_ours) {
738 sprintf(buf, "[behind %d]", num_theirs);
740 } else if (!num_theirs) {
741 sprintf(buf, "[ahead %d]", num_ours);
744 sprintf(buf, "[ahead %d, behind %d]",
745 num_ours, num_theirs);
749 } else if (!strcmp(formatp, "trackshort") &&
750 starts_with(name, "upstream")) {
753 if (stat_tracking_info(branch, &num_ours,
757 if (!num_ours && !num_theirs)
761 else if (!num_theirs)
767 die("unknown %.*s format %s",
768 (int)(formatp - name), name, formatp);
774 int len = strlen(refname);
775 char *s = xmalloc(len + 4);
776 sprintf(s, "%s^{}", refname);
781 for (i = 0; i < used_atom_cnt; i++) {
782 struct atom_value *v = &ref->value[i];
789 buf = get_obj(ref->objectname, &obj, &size, &eaten);
791 die("missing object %s for %s",
792 sha1_to_hex(ref->objectname), ref->refname);
794 die("parse_object_buffer failed on %s for %s",
795 sha1_to_hex(ref->objectname), ref->refname);
797 grab_values(ref->value, 0, obj, buf, size);
802 * If there is no atom that wants to know about tagged
803 * object, we are done.
805 if (!need_tagged || (obj->type != OBJ_TAG))
809 * If it is a tag object, see if we use a value that derefs
810 * the object, and if we do grab the object it refers to.
812 tagged = ((struct tag *)obj)->tagged->sha1;
815 * NEEDSWORK: This derefs tag only once, which
816 * is good to deal with chains of trust, but
817 * is not consistent with what deref_tag() does
818 * which peels the onion to the core.
820 buf = get_obj(tagged, &obj, &size, &eaten);
822 die("missing object %s for %s",
823 sha1_to_hex(tagged), ref->refname);
825 die("parse_object_buffer failed on %s for %s",
826 sha1_to_hex(tagged), ref->refname);
827 grab_values(ref->value, 1, obj, buf, size);
833 * Given a ref, return the value for the atom. This lazily gets value
834 * out of the object by calling populate value.
836 static void get_value(struct refinfo *ref, int atom, struct atom_value **v)
840 fill_missing_values(ref->value);
842 *v = &ref->value[atom];
845 struct grab_ref_cbdata {
846 struct refinfo **grab_array;
847 const char **grab_pattern;
852 * A call-back given to for_each_ref(). Filter refs and keep them for
853 * later object processing.
855 static int grab_single_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
857 struct grab_ref_cbdata *cb = cb_data;
861 if (*cb->grab_pattern) {
862 const char **pattern;
863 int namelen = strlen(refname);
864 for (pattern = cb->grab_pattern; *pattern; pattern++) {
865 const char *p = *pattern;
866 int plen = strlen(p);
868 if ((plen <= namelen) &&
869 !strncmp(refname, p, plen) &&
870 (refname[plen] == '\0' ||
871 refname[plen] == '/' ||
874 if (!wildmatch(p, refname, WM_PATHNAME, NULL))
882 * We do not open the object yet; sort may only need refname
883 * to do its job and the resulting list may yet to be pruned
886 ref = xcalloc(1, sizeof(*ref));
887 ref->refname = xstrdup(refname);
888 hashcpy(ref->objectname, sha1);
892 cb->grab_array = xrealloc(cb->grab_array,
893 sizeof(*cb->grab_array) * (cnt + 1));
894 cb->grab_array[cnt++] = ref;
899 static int cmp_ref_sort(struct ref_sort *s, struct refinfo *a, struct refinfo *b)
901 struct atom_value *va, *vb;
903 cmp_type cmp_type = used_atom_type[s->atom];
905 get_value(a, s->atom, &va);
906 get_value(b, s->atom, &vb);
909 cmp = strcmp(va->s, vb->s);
914 else if (va->ul == vb->ul)
920 return (s->reverse) ? -cmp : cmp;
923 static struct ref_sort *ref_sort;
924 static int compare_refs(const void *a_, const void *b_)
926 struct refinfo *a = *((struct refinfo **)a_);
927 struct refinfo *b = *((struct refinfo **)b_);
930 for (s = ref_sort; s; s = s->next) {
931 int cmp = cmp_ref_sort(s, a, b);
938 static void sort_refs(struct ref_sort *sort, struct refinfo **refs, int num_refs)
941 qsort(refs, num_refs, sizeof(struct refinfo *), compare_refs);
944 static void print_value(struct atom_value *v, int quote_style)
946 struct strbuf sb = STRBUF_INIT;
947 switch (quote_style) {
952 sq_quote_buf(&sb, v->s);
955 perl_quote_buf(&sb, v->s);
958 python_quote_buf(&sb, v->s);
961 tcl_quote_buf(&sb, v->s);
964 if (quote_style != QUOTE_NONE) {
965 fputs(sb.buf, stdout);
970 static int hex1(char ch)
972 if ('0' <= ch && ch <= '9')
974 else if ('a' <= ch && ch <= 'f')
975 return ch - 'a' + 10;
976 else if ('A' <= ch && ch <= 'F')
977 return ch - 'A' + 10;
980 static int hex2(const char *cp)
983 return (hex1(cp[0]) << 4) | hex1(cp[1]);
988 static void emit(const char *cp, const char *ep)
990 while (*cp && (!ep || cp < ep)) {
995 int ch = hex2(cp + 1);
1008 static void show_ref(struct refinfo *info, const char *format, int quote_style)
1010 const char *cp, *sp, *ep;
1012 for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
1013 struct atom_value *atomv;
1015 ep = strchr(sp, ')');
1018 get_value(info, parse_atom(sp + 2, ep), &atomv);
1019 print_value(atomv, quote_style);
1022 sp = cp + strlen(cp);
1025 if (need_color_reset_at_eol) {
1026 struct atom_value resetv;
1027 char color[COLOR_MAXLEN] = "";
1029 color_parse("reset", "--format", color);
1031 print_value(&resetv, quote_style);
1036 static struct ref_sort *default_sort(void)
1038 static const char cstr_name[] = "refname";
1040 struct ref_sort *sort = xcalloc(1, sizeof(*sort));
1043 sort->atom = parse_atom(cstr_name, cstr_name + strlen(cstr_name));
1047 static int opt_parse_sort(const struct option *opt, const char *arg, int unset)
1049 struct ref_sort **sort_tail = opt->value;
1053 if (!arg) /* should --no-sort void the list ? */
1056 s = xcalloc(1, sizeof(*s));
1057 s->next = *sort_tail;
1065 s->atom = parse_atom(arg, arg+len);
1069 static char const * const for_each_ref_usage[] = {
1070 N_("git for-each-ref [options] [<pattern>]"),
1074 int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
1077 const char *format = "%(objectname) %(objecttype)\t%(refname)";
1078 struct ref_sort *sort = NULL, **sort_tail = &sort;
1079 int maxcount = 0, quote_style = 0;
1080 struct refinfo **refs;
1081 struct grab_ref_cbdata cbdata;
1083 struct option opts[] = {
1084 OPT_BIT('s', "shell", "e_style,
1085 N_("quote placeholders suitably for shells"), QUOTE_SHELL),
1086 OPT_BIT('p', "perl", "e_style,
1087 N_("quote placeholders suitably for perl"), QUOTE_PERL),
1088 OPT_BIT(0 , "python", "e_style,
1089 N_("quote placeholders suitably for python"), QUOTE_PYTHON),
1090 OPT_BIT(0 , "tcl", "e_style,
1091 N_("quote placeholders suitably for tcl"), QUOTE_TCL),
1094 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
1095 OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")),
1096 OPT_CALLBACK(0 , "sort", sort_tail, N_("key"),
1097 N_("field name to sort on"), &opt_parse_sort),
1101 parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
1103 error("invalid --count argument: `%d'", maxcount);
1104 usage_with_options(for_each_ref_usage, opts);
1106 if (HAS_MULTI_BITS(quote_style)) {
1107 error("more than one quoting style?");
1108 usage_with_options(for_each_ref_usage, opts);
1110 if (verify_format(format))
1111 usage_with_options(for_each_ref_usage, opts);
1114 sort = default_sort();
1116 /* for warn_ambiguous_refs */
1117 git_config(git_default_config, NULL);
1119 memset(&cbdata, 0, sizeof(cbdata));
1120 cbdata.grab_pattern = argv;
1121 for_each_rawref(grab_single_ref, &cbdata);
1122 refs = cbdata.grab_array;
1123 num_refs = cbdata.grab_cnt;
1125 sort_refs(sort, refs, num_refs);
1127 if (!maxcount || num_refs < maxcount)
1128 maxcount = num_refs;
1129 for (i = 0; i < maxcount; i++)
1130 show_ref(refs[i], format, quote_style);