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-rw-r--r--builtin-for-each-ref.c894
1 files changed, 0 insertions, 894 deletions
diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
deleted file mode 100644
index 07d9c57212..0000000000
--- a/builtin-for-each-ref.c
+++ /dev/null
@@ -1,894 +0,0 @@
-#include "builtin.h"
-#include "cache.h"
-#include "refs.h"
-#include "object.h"
-#include "tag.h"
-#include "commit.h"
-#include "tree.h"
-#include "blob.h"
-#include "quote.h"
-#include "parse-options.h"
-
-/* Quoting styles */
-#define QUOTE_NONE 0
-#define QUOTE_SHELL 1
-#define QUOTE_PERL 2
-#define QUOTE_PYTHON 4
-#define QUOTE_TCL 8
-
-typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
-
-struct atom_value {
- const char *s;
- unsigned long ul; /* used for sorting when not FIELD_STR */
-};
-
-struct ref_sort {
- struct ref_sort *next;
- int atom; /* index into used_atom array */
- unsigned reverse : 1;
-};
-
-struct refinfo {
- char *refname;
- unsigned char objectname[20];
- struct atom_value *value;
-};
-
-static struct {
- const char *name;
- cmp_type cmp_type;
-} valid_atom[] = {
- { "refname" },
- { "objecttype" },
- { "objectsize", FIELD_ULONG },
- { "objectname" },
- { "tree" },
- { "parent" },
- { "numparent", FIELD_ULONG },
- { "object" },
- { "type" },
- { "tag" },
- { "author" },
- { "authorname" },
- { "authoremail" },
- { "authordate", FIELD_TIME },
- { "committer" },
- { "committername" },
- { "committeremail" },
- { "committerdate", FIELD_TIME },
- { "tagger" },
- { "taggername" },
- { "taggeremail" },
- { "taggerdate", FIELD_TIME },
- { "creator" },
- { "creatordate", FIELD_TIME },
- { "subject" },
- { "body" },
- { "contents" },
-};
-
-/*
- * An atom is a valid field atom listed above, possibly prefixed with
- * a "*" to denote deref_tag().
- *
- * We parse given format string and sort specifiers, and make a list
- * of properties that we need to extract out of objects. refinfo
- * structure will hold an array of values extracted that can be
- * indexed with the "atom number", which is an index into this
- * array.
- */
-static const char **used_atom;
-static cmp_type *used_atom_type;
-static int used_atom_cnt, sort_atom_limit, need_tagged;
-
-/*
- * Used to parse format string and sort specifiers
- */
-static int parse_atom(const char *atom, const char *ep)
-{
- const char *sp;
- int i, at;
-
- sp = atom;
- if (*sp == '*' && sp < ep)
- sp++; /* deref */
- if (ep <= sp)
- die("malformed field name: %.*s", (int)(ep-atom), atom);
-
- /* Do we have the atom already used elsewhere? */
- for (i = 0; i < used_atom_cnt; i++) {
- int len = strlen(used_atom[i]);
- if (len == ep - atom && !memcmp(used_atom[i], atom, len))
- return i;
- }
-
- /* Is the atom a valid one? */
- for (i = 0; i < ARRAY_SIZE(valid_atom); i++) {
- int len = strlen(valid_atom[i].name);
- /*
- * If the atom name has a colon, strip it and everything after
- * it off - it specifies the format for this entry, and
- * shouldn't be used for checking against the valid_atom
- * table.
- */
- const char *formatp = strchr(sp, ':');
- if (!formatp || ep < formatp)
- formatp = ep;
- if (len == formatp - sp && !memcmp(valid_atom[i].name, sp, len))
- break;
- }
-
- if (ARRAY_SIZE(valid_atom) <= i)
- die("unknown field name: %.*s", (int)(ep-atom), atom);
-
- /* Add it in, including the deref prefix */
- at = used_atom_cnt;
- used_atom_cnt++;
- used_atom = xrealloc(used_atom,
- (sizeof *used_atom) * used_atom_cnt);
- used_atom_type = xrealloc(used_atom_type,
- (sizeof(*used_atom_type) * used_atom_cnt));
- used_atom[at] = xmemdupz(atom, ep - atom);
- used_atom_type[at] = valid_atom[i].cmp_type;
- return at;
-}
-
-/*
- * In a format string, find the next occurrence of %(atom).
- */
-static const char *find_next(const char *cp)
-{
- while (*cp) {
- if (*cp == '%') {
- /* %( is the start of an atom;
- * %% is a quoted per-cent.
- */
- if (cp[1] == '(')
- return cp;
- else if (cp[1] == '%')
- cp++; /* skip over two % */
- /* otherwise this is a singleton, literal % */
- }
- cp++;
- }
- return NULL;
-}
-
-/*
- * Make sure the format string is well formed, and parse out
- * the used atoms.
- */
-static int verify_format(const char *format)
-{
- const char *cp, *sp;
- for (cp = format; *cp && (sp = find_next(cp)); ) {
- const char *ep = strchr(sp, ')');
- if (!ep)
- return error("malformed format string %s", sp);
- /* sp points at "%(" and ep points at the closing ")" */
- parse_atom(sp + 2, ep);
- cp = ep + 1;
- }
- return 0;
-}
-
-/*
- * Given an object name, read the object data and size, and return a
- * "struct object". If the object data we are returning is also borrowed
- * by the "struct object" representation, set *eaten as well---it is a
- * signal from parse_object_buffer to us not to free the buffer.
- */
-static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
-{
- enum object_type type;
- void *buf = read_sha1_file(sha1, &type, sz);
-
- if (buf)
- *obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
- else
- *obj = NULL;
- return buf;
-}
-
-/* See grab_values */
-static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (!strcmp(name, "objecttype"))
- v->s = typename(obj->type);
- else if (!strcmp(name, "objectsize")) {
- char *s = xmalloc(40);
- sprintf(s, "%lu", sz);
- v->ul = sz;
- v->s = s;
- }
- else if (!strcmp(name, "objectname")) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(obj->sha1));
- v->s = s;
- }
- }
-}
-
-/* See grab_values */
-static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- struct tag *tag = (struct tag *) obj;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (!strcmp(name, "tag"))
- v->s = tag->tag;
- }
-}
-
-static int num_parents(struct commit *commit)
-{
- struct commit_list *parents;
- int i;
-
- for (i = 0, parents = commit->parents;
- parents;
- parents = parents->next)
- i++;
- return i;
-}
-
-/* See grab_values */
-static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- struct commit *commit = (struct commit *) obj;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (!strcmp(name, "tree")) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(commit->tree->object.sha1));
- v->s = s;
- }
- if (!strcmp(name, "numparent")) {
- char *s = xmalloc(40);
- v->ul = num_parents(commit);
- sprintf(s, "%lu", v->ul);
- v->s = s;
- }
- else if (!strcmp(name, "parent")) {
- int num = num_parents(commit);
- int i;
- struct commit_list *parents;
- char *s = xmalloc(41 * num + 1);
- v->s = s;
- for (i = 0, parents = commit->parents;
- parents;
- parents = parents->next, i = i + 41) {
- struct commit *parent = parents->item;
- strcpy(s+i, sha1_to_hex(parent->object.sha1));
- if (parents->next)
- s[i+40] = ' ';
- }
- if (!i)
- *s = '\0';
- }
- }
-}
-
-static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz)
-{
- const char *eol;
- while (*buf) {
- if (!strncmp(buf, who, wholen) &&
- buf[wholen] == ' ')
- return buf + wholen + 1;
- eol = strchr(buf, '\n');
- if (!eol)
- return "";
- eol++;
- if (*eol == '\n')
- return ""; /* end of header */
- buf = eol;
- }
- return "";
-}
-
-static const char *copy_line(const char *buf)
-{
- const char *eol = strchr(buf, '\n');
- if (!eol)
- return "";
- return xmemdupz(buf, eol - buf);
-}
-
-static const char *copy_name(const char *buf)
-{
- const char *cp;
- for (cp = buf; *cp && *cp != '\n'; cp++) {
- if (!strncmp(cp, " <", 2))
- return xmemdupz(buf, cp - buf);
- }
- return "";
-}
-
-static const char *copy_email(const char *buf)
-{
- const char *email = strchr(buf, '<');
- const char *eoemail = strchr(email, '>');
- if (!email || !eoemail)
- return "";
- return xmemdupz(email, eoemail + 1 - email);
-}
-
-static void grab_date(const char *buf, struct atom_value *v, const char *atomname)
-{
- const char *eoemail = strstr(buf, "> ");
- char *zone;
- unsigned long timestamp;
- long tz;
- enum date_mode date_mode = DATE_NORMAL;
- const char *formatp;
-
- /*
- * We got here because atomname ends in "date" or "date<something>";
- * it's not possible that <something> is not ":<format>" because
- * parse_atom() wouldn't have allowed it, so we can assume that no
- * ":" means no format is specified, and use the default.
- */
- formatp = strchr(atomname, ':');
- if (formatp != NULL) {
- formatp++;
- date_mode = parse_date_format(formatp);
- }
-
- if (!eoemail)
- goto bad;
- timestamp = strtoul(eoemail + 2, &zone, 10);
- if (timestamp == ULONG_MAX)
- goto bad;
- tz = strtol(zone, NULL, 10);
- if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE)
- goto bad;
- v->s = xstrdup(show_date(timestamp, tz, date_mode));
- v->ul = timestamp;
- return;
- bad:
- v->s = "";
- v->ul = 0;
-}
-
-/* See grab_values */
-static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- int wholen = strlen(who);
- const char *wholine = NULL;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (strncmp(who, name, wholen))
- continue;
- if (name[wholen] != 0 &&
- strcmp(name + wholen, "name") &&
- strcmp(name + wholen, "email") &&
- prefixcmp(name + wholen, "date"))
- continue;
- if (!wholine)
- wholine = find_wholine(who, wholen, buf, sz);
- if (!wholine)
- return; /* no point looking for it */
- if (name[wholen] == 0)
- v->s = copy_line(wholine);
- else if (!strcmp(name + wholen, "name"))
- v->s = copy_name(wholine);
- else if (!strcmp(name + wholen, "email"))
- v->s = copy_email(wholine);
- else if (!prefixcmp(name + wholen, "date"))
- grab_date(wholine, v, name);
- }
-
- /* For a tag or a commit object, if "creator" or "creatordate" is
- * requested, do something special.
- */
- if (strcmp(who, "tagger") && strcmp(who, "committer"))
- return; /* "author" for commit object is not wanted */
- if (!wholine)
- wholine = find_wholine(who, wholen, buf, sz);
- if (!wholine)
- return;
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
-
- if (!prefixcmp(name, "creatordate"))
- grab_date(wholine, v, name);
- else if (!strcmp(name, "creator"))
- v->s = copy_line(wholine);
- }
-}
-
-static void find_subpos(const char *buf, unsigned long sz, const char **sub, const char **body)
-{
- while (*buf) {
- const char *eol = strchr(buf, '\n');
- if (!eol)
- return;
- if (eol[1] == '\n') {
- buf = eol + 1;
- break; /* found end of header */
- }
- buf = eol + 1;
- }
- while (*buf == '\n')
- buf++;
- if (!*buf)
- return;
- *sub = buf; /* first non-empty line */
- buf = strchr(buf, '\n');
- if (!buf)
- return; /* no body */
- while (*buf == '\n')
- buf++; /* skip blank between subject and body */
- *body = buf;
-}
-
-/* See grab_values */
-static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- int i;
- const char *subpos = NULL, *bodypos = NULL;
-
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &val[i];
- if (!!deref != (*name == '*'))
- continue;
- if (deref)
- name++;
- if (strcmp(name, "subject") &&
- strcmp(name, "body") &&
- strcmp(name, "contents"))
- continue;
- if (!subpos)
- find_subpos(buf, sz, &subpos, &bodypos);
- if (!subpos)
- return;
-
- if (!strcmp(name, "subject"))
- v->s = copy_line(subpos);
- else if (!strcmp(name, "body"))
- v->s = xstrdup(bodypos);
- else if (!strcmp(name, "contents"))
- v->s = xstrdup(subpos);
- }
-}
-
-/* We want to have empty print-string for field requests
- * that do not apply (e.g. "authordate" for a tag object)
- */
-static void fill_missing_values(struct atom_value *val)
-{
- int i;
- for (i = 0; i < used_atom_cnt; i++) {
- struct atom_value *v = &val[i];
- if (v->s == NULL)
- v->s = "";
- }
-}
-
-/*
- * val is a list of atom_value to hold returned values. Extract
- * the values for atoms in used_atom array out of (obj, buf, sz).
- * when deref is false, (obj, buf, sz) is the object that is
- * pointed at by the ref itself; otherwise it is the object the
- * ref (which is a tag) refers to.
- */
-static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
-{
- grab_common_values(val, deref, obj, buf, sz);
- switch (obj->type) {
- case OBJ_TAG:
- grab_tag_values(val, deref, obj, buf, sz);
- grab_sub_body_contents(val, deref, obj, buf, sz);
- grab_person("tagger", val, deref, obj, buf, sz);
- break;
- case OBJ_COMMIT:
- grab_commit_values(val, deref, obj, buf, sz);
- grab_sub_body_contents(val, deref, obj, buf, sz);
- grab_person("author", val, deref, obj, buf, sz);
- grab_person("committer", val, deref, obj, buf, sz);
- break;
- case OBJ_TREE:
- // grab_tree_values(val, deref, obj, buf, sz);
- break;
- case OBJ_BLOB:
- // grab_blob_values(val, deref, obj, buf, sz);
- break;
- default:
- die("Eh? Object of type %d?", obj->type);
- }
-}
-
-/*
- * Parse the object referred by ref, and grab needed value.
- */
-static void populate_value(struct refinfo *ref)
-{
- void *buf;
- struct object *obj;
- int eaten, i;
- unsigned long size;
- const unsigned char *tagged;
-
- ref->value = xcalloc(sizeof(struct atom_value), used_atom_cnt);
-
- buf = get_obj(ref->objectname, &obj, &size, &eaten);
- if (!buf)
- die("missing object %s for %s",
- sha1_to_hex(ref->objectname), ref->refname);
- if (!obj)
- die("parse_object_buffer failed on %s for %s",
- sha1_to_hex(ref->objectname), ref->refname);
-
- /* Fill in specials first */
- for (i = 0; i < used_atom_cnt; i++) {
- const char *name = used_atom[i];
- struct atom_value *v = &ref->value[i];
- if (!strcmp(name, "refname"))
- v->s = ref->refname;
- else if (!strcmp(name, "*refname")) {
- int len = strlen(ref->refname);
- char *s = xmalloc(len + 4);
- sprintf(s, "%s^{}", ref->refname);
- v->s = s;
- }
- }
-
- grab_values(ref->value, 0, obj, buf, size);
- if (!eaten)
- free(buf);
-
- /* If there is no atom that wants to know about tagged
- * object, we are done.
- */
- if (!need_tagged || (obj->type != OBJ_TAG))
- return;
-
- /* If it is a tag object, see if we use a value that derefs
- * the object, and if we do grab the object it refers to.
- */
- tagged = ((struct tag *)obj)->tagged->sha1;
-
- /* NEEDSWORK: This derefs tag only once, which
- * is good to deal with chains of trust, but
- * is not consistent with what deref_tag() does
- * which peels the onion to the core.
- */
- buf = get_obj(tagged, &obj, &size, &eaten);
- if (!buf)
- die("missing object %s for %s",
- sha1_to_hex(tagged), ref->refname);
- if (!obj)
- die("parse_object_buffer failed on %s for %s",
- sha1_to_hex(tagged), ref->refname);
- grab_values(ref->value, 1, obj, buf, size);
- if (!eaten)
- free(buf);
-}
-
-/*
- * Given a ref, return the value for the atom. This lazily gets value
- * out of the object by calling populate value.
- */
-static void get_value(struct refinfo *ref, int atom, struct atom_value **v)
-{
- if (!ref->value) {
- populate_value(ref);
- fill_missing_values(ref->value);
- }
- *v = &ref->value[atom];
-}
-
-struct grab_ref_cbdata {
- struct refinfo **grab_array;
- const char **grab_pattern;
- int grab_cnt;
-};
-
-/*
- * A call-back given to for_each_ref(). It is unfortunate that we
- * need to use global variables to pass extra information to this
- * function.
- */
-static int grab_single_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
-{
- struct grab_ref_cbdata *cb = cb_data;
- struct refinfo *ref;
- int cnt;
-
- if (*cb->grab_pattern) {
- const char **pattern;
- int namelen = strlen(refname);
- for (pattern = cb->grab_pattern; *pattern; pattern++) {
- const char *p = *pattern;
- int plen = strlen(p);
-
- if ((plen <= namelen) &&
- !strncmp(refname, p, plen) &&
- (refname[plen] == '\0' ||
- refname[plen] == '/'))
- break;
- if (!fnmatch(p, refname, FNM_PATHNAME))
- break;
- }
- if (!*pattern)
- return 0;
- }
-
- /* We do not open the object yet; sort may only need refname
- * to do its job and the resulting list may yet to be pruned
- * by maxcount logic.
- */
- ref = xcalloc(1, sizeof(*ref));
- ref->refname = xstrdup(refname);
- hashcpy(ref->objectname, sha1);
-
- cnt = cb->grab_cnt;
- cb->grab_array = xrealloc(cb->grab_array,
- sizeof(*cb->grab_array) * (cnt + 1));
- cb->grab_array[cnt++] = ref;
- cb->grab_cnt = cnt;
- return 0;
-}
-
-static int cmp_ref_sort(struct ref_sort *s, struct refinfo *a, struct refinfo *b)
-{
- struct atom_value *va, *vb;
- int cmp;
- cmp_type cmp_type = used_atom_type[s->atom];
-
- get_value(a, s->atom, &va);
- get_value(b, s->atom, &vb);
- switch (cmp_type) {
- case FIELD_STR:
- cmp = strcmp(va->s, vb->s);
- break;
- default:
- if (va->ul < vb->ul)
- cmp = -1;
- else if (va->ul == vb->ul)
- cmp = 0;
- else
- cmp = 1;
- break;
- }
- return (s->reverse) ? -cmp : cmp;
-}
-
-static struct ref_sort *ref_sort;
-static int compare_refs(const void *a_, const void *b_)
-{
- struct refinfo *a = *((struct refinfo **)a_);
- struct refinfo *b = *((struct refinfo **)b_);
- struct ref_sort *s;
-
- for (s = ref_sort; s; s = s->next) {
- int cmp = cmp_ref_sort(s, a, b);
- if (cmp)
- return cmp;
- }
- return 0;
-}
-
-static void sort_refs(struct ref_sort *sort, struct refinfo **refs, int num_refs)
-{
- ref_sort = sort;
- qsort(refs, num_refs, sizeof(struct refinfo *), compare_refs);
-}
-
-static void print_value(struct refinfo *ref, int atom, int quote_style)
-{
- struct atom_value *v;
- get_value(ref, atom, &v);
- switch (quote_style) {
- case QUOTE_NONE:
- fputs(v->s, stdout);
- break;
- case QUOTE_SHELL:
- sq_quote_print(stdout, v->s);
- break;
- case QUOTE_PERL:
- perl_quote_print(stdout, v->s);
- break;
- case QUOTE_PYTHON:
- python_quote_print(stdout, v->s);
- break;
- case QUOTE_TCL:
- tcl_quote_print(stdout, v->s);
- break;
- }
-}
-
-static int hex1(char ch)
-{
- if ('0' <= ch && ch <= '9')
- return ch - '0';
- else if ('a' <= ch && ch <= 'f')
- return ch - 'a' + 10;
- else if ('A' <= ch && ch <= 'F')
- return ch - 'A' + 10;
- return -1;
-}
-static int hex2(const char *cp)
-{
- if (cp[0] && cp[1])
- return (hex1(cp[0]) << 4) | hex1(cp[1]);
- else
- return -1;
-}
-
-static void emit(const char *cp, const char *ep)
-{
- while (*cp && (!ep || cp < ep)) {
- if (*cp == '%') {
- if (cp[1] == '%')
- cp++;
- else {
- int ch = hex2(cp + 1);
- if (0 <= ch) {
- putchar(ch);
- cp += 3;
- continue;
- }
- }
- }
- putchar(*cp);
- cp++;
- }
-}
-
-static void show_ref(struct refinfo *info, const char *format, int quote_style)
-{
- const char *cp, *sp, *ep;
-
- for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
- ep = strchr(sp, ')');
- if (cp < sp)
- emit(cp, sp);
- print_value(info, parse_atom(sp + 2, ep), quote_style);
- }
- if (*cp) {
- sp = cp + strlen(cp);
- emit(cp, sp);
- }
- putchar('\n');
-}
-
-static struct ref_sort *default_sort(void)
-{
- static const char cstr_name[] = "refname";
-
- struct ref_sort *sort = xcalloc(1, sizeof(*sort));
-
- sort->next = NULL;
- sort->atom = parse_atom(cstr_name, cstr_name + strlen(cstr_name));
- return sort;
-}
-
-int opt_parse_sort(const struct option *opt, const char *arg, int unset)
-{
- struct ref_sort **sort_tail = opt->value;
- struct ref_sort *s;
- int len;
-
- if (!arg) /* should --no-sort void the list ? */
- return -1;
-
- *sort_tail = s = xcalloc(1, sizeof(*s));
- sort_tail = &s->next;
-
- if (*arg == '-') {
- s->reverse = 1;
- arg++;
- }
- len = strlen(arg);
- s->atom = parse_atom(arg, arg+len);
- return 0;
-}
-
-static char const * const for_each_ref_usage[] = {
- "git-for-each-ref [options] [<pattern>]",
- NULL
-};
-
-int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
-{
- int i, num_refs;
- const char *format = "%(objectname) %(objecttype)\t%(refname)";
- struct ref_sort *sort = NULL, **sort_tail = &sort;
- int maxcount = 0, quote_style = 0;
- struct refinfo **refs;
- struct grab_ref_cbdata cbdata;
-
- struct option opts[] = {
- OPT_BIT('s', "shell", &quote_style,
- "quote placeholders suitably for shells", QUOTE_SHELL),
- OPT_BIT('p', "perl", &quote_style,
- "quote placeholders suitably for perl", QUOTE_PERL),
- OPT_BIT(0 , "python", &quote_style,
- "quote placeholders suitably for python", QUOTE_PYTHON),
- OPT_BIT(0 , "tcl", &quote_style,
- "quote placeholders suitably for tcl", QUOTE_TCL),
-
- OPT_GROUP(""),
- OPT_INTEGER( 0 , "count", &maxcount, "show only <n> matched refs"),
- OPT_STRING( 0 , "format", &format, "format", "format to use for the output"),
- OPT_CALLBACK(0 , "sort", sort_tail, "key",
- "field name to sort on", &opt_parse_sort),
- OPT_END(),
- };
-
- parse_options(argc, argv, opts, for_each_ref_usage, 0);
- if (maxcount < 0) {
- error("invalid --count argument: `%d'", maxcount);
- usage_with_options(for_each_ref_usage, opts);
- }
- if (HAS_MULTI_BITS(quote_style)) {
- error("more than one quoting style?");
- usage_with_options(for_each_ref_usage, opts);
- }
- if (verify_format(format))
- usage_with_options(for_each_ref_usage, opts);
-
- if (!sort)
- sort = default_sort();
- sort_atom_limit = used_atom_cnt;
-
- memset(&cbdata, 0, sizeof(cbdata));
- cbdata.grab_pattern = argv;
- for_each_ref(grab_single_ref, &cbdata);
- refs = cbdata.grab_array;
- num_refs = cbdata.grab_cnt;
-
- for (i = 0; i < used_atom_cnt; i++) {
- if (used_atom[i][0] == '*') {
- need_tagged = 1;
- break;
- }
- }
-
- sort_refs(sort, refs, num_refs);
-
- if (!maxcount || num_refs < maxcount)
- maxcount = num_refs;
- for (i = 0; i < maxcount; i++)
- show_ref(refs[i], format, quote_style);
- return 0;
-}