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 REALLOC_ARRAY(used_atom, used_atom_cnt);
142 REALLOC_ARRAY(used_atom_type, used_atom_cnt);
143 used_atom[at] = xmemdupz(atom, ep - atom);
144 used_atom_type[at] = valid_atom[i].cmp_type;
147 if (!strcmp(used_atom[at], "symref"))
153 * In a format string, find the next occurrence of %(atom).
155 static const char *find_next(const char *cp)
160 * %( is the start of an atom;
161 * %% is a quoted per-cent.
165 else if (cp[1] == '%')
166 cp++; /* skip over two % */
167 /* otherwise this is a singleton, literal % */
175 * Make sure the format string is well formed, and parse out
178 static int verify_format(const char *format)
182 need_color_reset_at_eol = 0;
183 for (cp = format; *cp && (sp = find_next(cp)); ) {
184 const char *color, *ep = strchr(sp, ')');
188 return error("malformed format string %s", sp);
189 /* sp points at "%(" and ep points at the closing ")" */
190 at = parse_atom(sp + 2, ep);
193 if (skip_prefix(used_atom[at], "color:", &color))
194 need_color_reset_at_eol = !!strcmp(color, "reset");
200 * Given an object name, read the object data and size, and return a
201 * "struct object". If the object data we are returning is also borrowed
202 * by the "struct object" representation, set *eaten as well---it is a
203 * signal from parse_object_buffer to us not to free the buffer.
205 static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
207 enum object_type type;
208 void *buf = read_sha1_file(sha1, &type, sz);
211 *obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
217 static int grab_objectname(const char *name, const unsigned char *sha1,
218 struct atom_value *v)
220 if (!strcmp(name, "objectname")) {
221 char *s = xmalloc(41);
222 strcpy(s, sha1_to_hex(sha1));
226 if (!strcmp(name, "objectname:short")) {
227 v->s = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
233 /* See grab_values */
234 static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
238 for (i = 0; i < used_atom_cnt; i++) {
239 const char *name = used_atom[i];
240 struct atom_value *v = &val[i];
241 if (!!deref != (*name == '*'))
245 if (!strcmp(name, "objecttype"))
246 v->s = typename(obj->type);
247 else if (!strcmp(name, "objectsize")) {
248 char *s = xmalloc(40);
249 sprintf(s, "%lu", sz);
254 grab_objectname(name, obj->sha1, v);
258 /* See grab_values */
259 static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
262 struct tag *tag = (struct tag *) obj;
264 for (i = 0; i < used_atom_cnt; i++) {
265 const char *name = used_atom[i];
266 struct atom_value *v = &val[i];
267 if (!!deref != (*name == '*'))
271 if (!strcmp(name, "tag"))
273 else if (!strcmp(name, "type") && tag->tagged)
274 v->s = typename(tag->tagged->type);
275 else if (!strcmp(name, "object") && tag->tagged) {
276 char *s = xmalloc(41);
277 strcpy(s, sha1_to_hex(tag->tagged->sha1));
283 /* See grab_values */
284 static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
287 struct commit *commit = (struct commit *) obj;
289 for (i = 0; i < used_atom_cnt; i++) {
290 const char *name = used_atom[i];
291 struct atom_value *v = &val[i];
292 if (!!deref != (*name == '*'))
296 if (!strcmp(name, "tree")) {
297 char *s = xmalloc(41);
298 strcpy(s, sha1_to_hex(commit->tree->object.sha1));
301 if (!strcmp(name, "numparent")) {
302 char *s = xmalloc(40);
303 v->ul = commit_list_count(commit->parents);
304 sprintf(s, "%lu", v->ul);
307 else if (!strcmp(name, "parent")) {
308 int num = commit_list_count(commit->parents);
310 struct commit_list *parents;
311 char *s = xmalloc(41 * num + 1);
313 for (i = 0, parents = commit->parents;
315 parents = parents->next, i = i + 41) {
316 struct commit *parent = parents->item;
317 strcpy(s+i, sha1_to_hex(parent->object.sha1));
327 static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz)
331 if (!strncmp(buf, who, wholen) &&
333 return buf + wholen + 1;
334 eol = strchr(buf, '\n');
339 return ""; /* end of header */
345 static const char *copy_line(const char *buf)
347 const char *eol = strchrnul(buf, '\n');
348 return xmemdupz(buf, eol - buf);
351 static const char *copy_name(const char *buf)
354 for (cp = buf; *cp && *cp != '\n'; cp++) {
355 if (!strncmp(cp, " <", 2))
356 return xmemdupz(buf, cp - buf);
361 static const char *copy_email(const char *buf)
363 const char *email = strchr(buf, '<');
367 eoemail = strchr(email, '>');
370 return xmemdupz(email, eoemail + 1 - email);
373 static char *copy_subject(const char *buf, unsigned long len)
375 char *r = xmemdupz(buf, len);
378 for (i = 0; i < len; i++)
385 static void grab_date(const char *buf, struct atom_value *v, const char *atomname)
387 const char *eoemail = strstr(buf, "> ");
389 unsigned long timestamp;
391 enum date_mode date_mode = DATE_NORMAL;
395 * We got here because atomname ends in "date" or "date<something>";
396 * it's not possible that <something> is not ":<format>" because
397 * parse_atom() wouldn't have allowed it, so we can assume that no
398 * ":" means no format is specified, and use the default.
400 formatp = strchr(atomname, ':');
401 if (formatp != NULL) {
403 date_mode = parse_date_format(formatp);
408 timestamp = strtoul(eoemail + 2, &zone, 10);
409 if (timestamp == ULONG_MAX)
411 tz = strtol(zone, NULL, 10);
412 if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE)
414 v->s = xstrdup(show_date(timestamp, tz, date_mode));
422 /* See grab_values */
423 static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
426 int wholen = strlen(who);
427 const char *wholine = NULL;
429 for (i = 0; i < used_atom_cnt; i++) {
430 const char *name = used_atom[i];
431 struct atom_value *v = &val[i];
432 if (!!deref != (*name == '*'))
436 if (strncmp(who, name, wholen))
438 if (name[wholen] != 0 &&
439 strcmp(name + wholen, "name") &&
440 strcmp(name + wholen, "email") &&
441 !starts_with(name + wholen, "date"))
444 wholine = find_wholine(who, wholen, buf, sz);
446 return; /* no point looking for it */
447 if (name[wholen] == 0)
448 v->s = copy_line(wholine);
449 else if (!strcmp(name + wholen, "name"))
450 v->s = copy_name(wholine);
451 else if (!strcmp(name + wholen, "email"))
452 v->s = copy_email(wholine);
453 else if (starts_with(name + wholen, "date"))
454 grab_date(wholine, v, name);
458 * For a tag or a commit object, if "creator" or "creatordate" is
459 * requested, do something special.
461 if (strcmp(who, "tagger") && strcmp(who, "committer"))
462 return; /* "author" for commit object is not wanted */
464 wholine = find_wholine(who, wholen, buf, sz);
467 for (i = 0; i < used_atom_cnt; i++) {
468 const char *name = used_atom[i];
469 struct atom_value *v = &val[i];
470 if (!!deref != (*name == '*'))
475 if (starts_with(name, "creatordate"))
476 grab_date(wholine, v, name);
477 else if (!strcmp(name, "creator"))
478 v->s = copy_line(wholine);
482 static void find_subpos(const char *buf, unsigned long sz,
483 const char **sub, unsigned long *sublen,
484 const char **body, unsigned long *bodylen,
485 unsigned long *nonsiglen,
486 const char **sig, unsigned long *siglen)
489 /* skip past header until we hit empty line */
490 while (*buf && *buf != '\n') {
491 eol = strchrnul(buf, '\n');
496 /* skip any empty lines */
500 /* parse signature first; we might not even have a subject line */
501 *sig = buf + parse_signature(buf, strlen(buf));
502 *siglen = strlen(*sig);
504 /* subject is first non-empty line */
506 /* subject goes to first empty line */
507 while (buf < *sig && *buf && *buf != '\n') {
508 eol = strchrnul(buf, '\n');
513 *sublen = buf - *sub;
514 /* drop trailing newline, if present */
515 if (*sublen && (*sub)[*sublen - 1] == '\n')
518 /* skip any empty lines */
522 *bodylen = strlen(buf);
523 *nonsiglen = *sig - buf;
526 /* See grab_values */
527 static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
530 const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL;
531 unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0;
533 for (i = 0; i < used_atom_cnt; i++) {
534 const char *name = used_atom[i];
535 struct atom_value *v = &val[i];
536 if (!!deref != (*name == '*'))
540 if (strcmp(name, "subject") &&
541 strcmp(name, "body") &&
542 strcmp(name, "contents") &&
543 strcmp(name, "contents:subject") &&
544 strcmp(name, "contents:body") &&
545 strcmp(name, "contents:signature"))
550 &bodypos, &bodylen, &nonsiglen,
553 if (!strcmp(name, "subject"))
554 v->s = copy_subject(subpos, sublen);
555 else if (!strcmp(name, "contents:subject"))
556 v->s = copy_subject(subpos, sublen);
557 else if (!strcmp(name, "body"))
558 v->s = xmemdupz(bodypos, bodylen);
559 else if (!strcmp(name, "contents:body"))
560 v->s = xmemdupz(bodypos, nonsiglen);
561 else if (!strcmp(name, "contents:signature"))
562 v->s = xmemdupz(sigpos, siglen);
563 else if (!strcmp(name, "contents"))
564 v->s = xstrdup(subpos);
569 * We want to have empty print-string for field requests
570 * that do not apply (e.g. "authordate" for a tag object)
572 static void fill_missing_values(struct atom_value *val)
575 for (i = 0; i < used_atom_cnt; i++) {
576 struct atom_value *v = &val[i];
583 * val is a list of atom_value to hold returned values. Extract
584 * the values for atoms in used_atom array out of (obj, buf, sz).
585 * when deref is false, (obj, buf, sz) is the object that is
586 * pointed at by the ref itself; otherwise it is the object the
587 * ref (which is a tag) refers to.
589 static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
591 grab_common_values(val, deref, obj, buf, sz);
594 grab_tag_values(val, deref, obj, buf, sz);
595 grab_sub_body_contents(val, deref, obj, buf, sz);
596 grab_person("tagger", val, deref, obj, buf, sz);
599 grab_commit_values(val, deref, obj, buf, sz);
600 grab_sub_body_contents(val, deref, obj, buf, sz);
601 grab_person("author", val, deref, obj, buf, sz);
602 grab_person("committer", val, deref, obj, buf, sz);
605 /* grab_tree_values(val, deref, obj, buf, sz); */
608 /* grab_blob_values(val, deref, obj, buf, sz); */
611 die("Eh? Object of type %d?", obj->type);
615 static inline char *copy_advance(char *dst, const char *src)
623 * Parse the object referred by ref, and grab needed value.
625 static void populate_value(struct refinfo *ref)
631 const unsigned char *tagged;
633 ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
635 if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) {
636 unsigned char unused1[20];
637 ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING,
643 /* Fill in specials first */
644 for (i = 0; i < used_atom_cnt; i++) {
645 const char *name = used_atom[i];
646 struct atom_value *v = &ref->value[i];
650 struct branch *branch = NULL;
657 if (starts_with(name, "refname"))
658 refname = ref->refname;
659 else if (starts_with(name, "symref"))
660 refname = ref->symref ? ref->symref : "";
661 else if (starts_with(name, "upstream")) {
662 /* only local branches may have an upstream */
663 if (!starts_with(ref->refname, "refs/heads/"))
665 branch = branch_get(ref->refname + 11);
667 if (!branch || !branch->merge || !branch->merge[0] ||
668 !branch->merge[0]->dst)
670 refname = branch->merge[0]->dst;
671 } else if (starts_with(name, "color:")) {
672 char color[COLOR_MAXLEN] = "";
674 if (color_parse(name + 6, color) < 0)
675 die(_("unable to parse format"));
676 v->s = xstrdup(color);
678 } else if (!strcmp(name, "flag")) {
679 char buf[256], *cp = buf;
680 if (ref->flag & REF_ISSYMREF)
681 cp = copy_advance(cp, ",symref");
682 if (ref->flag & REF_ISPACKED)
683 cp = copy_advance(cp, ",packed");
688 v->s = xstrdup(buf + 1);
691 } else if (!deref && grab_objectname(name, ref->objectname, v)) {
693 } else if (!strcmp(name, "HEAD")) {
695 unsigned char sha1[20];
697 head = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
699 if (!strcmp(ref->refname, head))
707 formatp = strchr(name, ':');
709 int num_ours, num_theirs;
712 if (!strcmp(formatp, "short"))
713 refname = shorten_unambiguous_ref(refname,
714 warn_ambiguous_refs);
715 else if (!strcmp(formatp, "track") &&
716 starts_with(name, "upstream")) {
719 if (stat_tracking_info(branch, &num_ours,
723 if (!num_ours && !num_theirs)
725 else if (!num_ours) {
726 sprintf(buf, "[behind %d]", num_theirs);
728 } else if (!num_theirs) {
729 sprintf(buf, "[ahead %d]", num_ours);
732 sprintf(buf, "[ahead %d, behind %d]",
733 num_ours, num_theirs);
737 } else if (!strcmp(formatp, "trackshort") &&
738 starts_with(name, "upstream")) {
741 if (stat_tracking_info(branch, &num_ours,
745 if (!num_ours && !num_theirs)
749 else if (!num_theirs)
755 die("unknown %.*s format %s",
756 (int)(formatp - name), name, formatp);
762 int len = strlen(refname);
763 char *s = xmalloc(len + 4);
764 sprintf(s, "%s^{}", refname);
769 for (i = 0; i < used_atom_cnt; i++) {
770 struct atom_value *v = &ref->value[i];
777 buf = get_obj(ref->objectname, &obj, &size, &eaten);
779 die("missing object %s for %s",
780 sha1_to_hex(ref->objectname), ref->refname);
782 die("parse_object_buffer failed on %s for %s",
783 sha1_to_hex(ref->objectname), ref->refname);
785 grab_values(ref->value, 0, obj, buf, size);
790 * If there is no atom that wants to know about tagged
791 * object, we are done.
793 if (!need_tagged || (obj->type != OBJ_TAG))
797 * If it is a tag object, see if we use a value that derefs
798 * the object, and if we do grab the object it refers to.
800 tagged = ((struct tag *)obj)->tagged->sha1;
803 * NEEDSWORK: This derefs tag only once, which
804 * is good to deal with chains of trust, but
805 * is not consistent with what deref_tag() does
806 * which peels the onion to the core.
808 buf = get_obj(tagged, &obj, &size, &eaten);
810 die("missing object %s for %s",
811 sha1_to_hex(tagged), ref->refname);
813 die("parse_object_buffer failed on %s for %s",
814 sha1_to_hex(tagged), ref->refname);
815 grab_values(ref->value, 1, obj, buf, size);
821 * Given a ref, return the value for the atom. This lazily gets value
822 * out of the object by calling populate value.
824 static void get_value(struct refinfo *ref, int atom, struct atom_value **v)
828 fill_missing_values(ref->value);
830 *v = &ref->value[atom];
833 struct grab_ref_cbdata {
834 struct refinfo **grab_array;
835 const char **grab_pattern;
840 * A call-back given to for_each_ref(). Filter refs and keep them for
841 * later object processing.
843 static int grab_single_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
845 struct grab_ref_cbdata *cb = cb_data;
849 if (flag & REF_BAD_NAME) {
850 warning("ignoring ref with broken name %s", refname);
854 if (flag & REF_ISBROKEN) {
855 warning("ignoring broken ref %s", refname);
859 if (*cb->grab_pattern) {
860 const char **pattern;
861 int namelen = strlen(refname);
862 for (pattern = cb->grab_pattern; *pattern; pattern++) {
863 const char *p = *pattern;
864 int plen = strlen(p);
866 if ((plen <= namelen) &&
867 !strncmp(refname, p, plen) &&
868 (refname[plen] == '\0' ||
869 refname[plen] == '/' ||
872 if (!wildmatch(p, refname, WM_PATHNAME, NULL))
880 * We do not open the object yet; sort may only need refname
881 * to do its job and the resulting list may yet to be pruned
884 ref = xcalloc(1, sizeof(*ref));
885 ref->refname = xstrdup(refname);
886 hashcpy(ref->objectname, sha1);
890 REALLOC_ARRAY(cb->grab_array, cnt + 1);
891 cb->grab_array[cnt++] = ref;
896 static int cmp_ref_sort(struct ref_sort *s, struct refinfo *a, struct refinfo *b)
898 struct atom_value *va, *vb;
900 cmp_type cmp_type = used_atom_type[s->atom];
902 get_value(a, s->atom, &va);
903 get_value(b, s->atom, &vb);
906 cmp = strcmp(va->s, vb->s);
911 else if (va->ul == vb->ul)
917 return (s->reverse) ? -cmp : cmp;
920 static struct ref_sort *ref_sort;
921 static int compare_refs(const void *a_, const void *b_)
923 struct refinfo *a = *((struct refinfo **)a_);
924 struct refinfo *b = *((struct refinfo **)b_);
927 for (s = ref_sort; s; s = s->next) {
928 int cmp = cmp_ref_sort(s, a, b);
935 static void sort_refs(struct ref_sort *sort, struct refinfo **refs, int num_refs)
938 qsort(refs, num_refs, sizeof(struct refinfo *), compare_refs);
941 static void print_value(struct atom_value *v, int quote_style)
943 struct strbuf sb = STRBUF_INIT;
944 switch (quote_style) {
949 sq_quote_buf(&sb, v->s);
952 perl_quote_buf(&sb, v->s);
955 python_quote_buf(&sb, v->s);
958 tcl_quote_buf(&sb, v->s);
961 if (quote_style != QUOTE_NONE) {
962 fputs(sb.buf, stdout);
967 static int hex1(char ch)
969 if ('0' <= ch && ch <= '9')
971 else if ('a' <= ch && ch <= 'f')
972 return ch - 'a' + 10;
973 else if ('A' <= ch && ch <= 'F')
974 return ch - 'A' + 10;
977 static int hex2(const char *cp)
980 return (hex1(cp[0]) << 4) | hex1(cp[1]);
985 static void emit(const char *cp, const char *ep)
987 while (*cp && (!ep || cp < ep)) {
992 int ch = hex2(cp + 1);
1005 static void show_ref(struct refinfo *info, const char *format, int quote_style)
1007 const char *cp, *sp, *ep;
1009 for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
1010 struct atom_value *atomv;
1012 ep = strchr(sp, ')');
1015 get_value(info, parse_atom(sp + 2, ep), &atomv);
1016 print_value(atomv, quote_style);
1019 sp = cp + strlen(cp);
1022 if (need_color_reset_at_eol) {
1023 struct atom_value resetv;
1024 char color[COLOR_MAXLEN] = "";
1026 if (color_parse("reset", color) < 0)
1027 die("BUG: couldn't parse 'reset' as a color");
1029 print_value(&resetv, quote_style);
1034 static struct ref_sort *default_sort(void)
1036 static const char cstr_name[] = "refname";
1038 struct ref_sort *sort = xcalloc(1, sizeof(*sort));
1041 sort->atom = parse_atom(cstr_name, cstr_name + strlen(cstr_name));
1045 static int opt_parse_sort(const struct option *opt, const char *arg, int unset)
1047 struct ref_sort **sort_tail = opt->value;
1051 if (!arg) /* should --no-sort void the list ? */
1054 s = xcalloc(1, sizeof(*s));
1055 s->next = *sort_tail;
1063 s->atom = parse_atom(arg, arg+len);
1067 static char const * const for_each_ref_usage[] = {
1068 N_("git for-each-ref [<options>] [<pattern>]"),
1072 int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
1075 const char *format = "%(objectname) %(objecttype)\t%(refname)";
1076 struct ref_sort *sort = NULL, **sort_tail = &sort;
1077 int maxcount = 0, quote_style = 0;
1078 struct refinfo **refs;
1079 struct grab_ref_cbdata cbdata;
1081 struct option opts[] = {
1082 OPT_BIT('s', "shell", "e_style,
1083 N_("quote placeholders suitably for shells"), QUOTE_SHELL),
1084 OPT_BIT('p', "perl", "e_style,
1085 N_("quote placeholders suitably for perl"), QUOTE_PERL),
1086 OPT_BIT(0 , "python", "e_style,
1087 N_("quote placeholders suitably for python"), QUOTE_PYTHON),
1088 OPT_BIT(0 , "tcl", "e_style,
1089 N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
1092 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
1093 OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")),
1094 OPT_CALLBACK(0 , "sort", sort_tail, N_("key"),
1095 N_("field name to sort on"), &opt_parse_sort),
1099 parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
1101 error("invalid --count argument: `%d'", maxcount);
1102 usage_with_options(for_each_ref_usage, opts);
1104 if (HAS_MULTI_BITS(quote_style)) {
1105 error("more than one quoting style?");
1106 usage_with_options(for_each_ref_usage, opts);
1108 if (verify_format(format))
1109 usage_with_options(for_each_ref_usage, opts);
1112 sort = default_sort();
1114 /* for warn_ambiguous_refs */
1115 git_config(git_default_config, NULL);
1117 memset(&cbdata, 0, sizeof(cbdata));
1118 cbdata.grab_pattern = argv;
1119 for_each_rawref(grab_single_ref, &cbdata);
1120 refs = cbdata.grab_array;
1121 num_refs = cbdata.grab_cnt;
1123 sort_refs(sort, refs, num_refs);
1125 if (!maxcount || num_refs < maxcount)
1126 maxcount = num_refs;
1127 for (i = 0; i < maxcount; i++)
1128 show_ref(refs[i], format, quote_style);