Add git-for-each-ref: helper for language bindings
This adds a new command, git-for-each-ref. You can have it iterate over refs and have it output various aspects of the objects they refer to. Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
874
builtin-for-each-ref.c
Normal file
874
builtin-for-each-ref.c
Normal file
@ -0,0 +1,874 @@
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#include "cache.h"
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#include "refs.h"
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#include "object.h"
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#include "tag.h"
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#include "commit.h"
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#include "tree.h"
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#include "blob.h"
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#include "quote.h"
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#include <fnmatch.h>
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/* Quoting styles */
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#define QUOTE_NONE 0
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#define QUOTE_SHELL 1
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#define QUOTE_PERL 2
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#define QUOTE_PYTHON 3
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typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
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struct atom_value {
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const char *s;
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unsigned long ul; /* used for sorting when not FIELD_STR */
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};
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struct ref_sort {
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struct ref_sort *next;
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int atom; /* index into used_atom array */
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unsigned reverse : 1;
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};
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struct refinfo {
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char *refname;
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unsigned char objectname[20];
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struct atom_value *value;
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};
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static struct {
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const char *name;
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cmp_type cmp_type;
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} valid_atom[] = {
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{ "refname" },
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{ "objecttype" },
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{ "objectsize", FIELD_ULONG },
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{ "objectname" },
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{ "tree" },
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{ "parent" }, /* NEEDSWORK: how to address 2nd and later parents? */
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{ "numparent", FIELD_ULONG },
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{ "object" },
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{ "type" },
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{ "tag" },
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{ "author" },
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{ "authorname" },
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{ "authoremail" },
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{ "authordate", FIELD_TIME },
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{ "committer" },
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{ "committername" },
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{ "committeremail" },
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{ "committerdate", FIELD_TIME },
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{ "tagger" },
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{ "taggername" },
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{ "taggeremail" },
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{ "taggerdate", FIELD_TIME },
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{ "subject" },
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{ "body" },
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{ "contents" },
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};
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/*
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* An atom is a valid field atom listed above, possibly prefixed with
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* a "*" to denote deref_tag().
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*
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* We parse given format string and sort specifiers, and make a list
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* of properties that we need to extract out of objects. refinfo
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* structure will hold an array of values extracted that can be
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* indexed with the "atom number", which is an index into this
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* array.
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*/
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static const char **used_atom;
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static cmp_type *used_atom_type;
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static int used_atom_cnt, sort_atom_limit, need_tagged;
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/*
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* Used to parse format string and sort specifiers
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*/
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static int parse_atom(const char *atom, const char *ep)
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{
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const char *sp;
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char *n;
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int i, at;
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sp = atom;
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if (*sp == '*' && sp < ep)
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sp++; /* deref */
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if (ep <= sp)
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die("malformed field name: %.*s", (int)(ep-atom), atom);
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/* Do we have the atom already used elsewhere? */
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for (i = 0; i < used_atom_cnt; i++) {
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int len = strlen(used_atom[i]);
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if (len == ep - atom && !memcmp(used_atom[i], atom, len))
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return i;
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}
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/* Is the atom a valid one? */
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for (i = 0; i < ARRAY_SIZE(valid_atom); i++) {
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int len = strlen(valid_atom[i].name);
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if (len == ep - sp && !memcmp(valid_atom[i].name, sp, len))
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break;
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}
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if (ARRAY_SIZE(valid_atom) <= i)
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die("unknown field name: %.*s", (int)(ep-atom), atom);
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/* Add it in, including the deref prefix */
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at = used_atom_cnt;
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used_atom_cnt++;
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used_atom = xrealloc(used_atom,
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(sizeof *used_atom) * used_atom_cnt);
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used_atom_type = xrealloc(used_atom_type,
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(sizeof(*used_atom_type) * used_atom_cnt));
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n = xmalloc(ep - atom + 1);
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memcpy(n, atom, ep - atom);
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n[ep-atom] = 0;
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used_atom[at] = n;
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used_atom_type[at] = valid_atom[i].cmp_type;
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return at;
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}
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/*
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* In a format string, find the next occurrence of %(atom).
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*/
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static const char *find_next(const char *cp)
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{
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while (*cp) {
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if (*cp == '%') {
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/* %( is the start of an atom;
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* %% is a quoteed per-cent.
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*/
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if (cp[1] == '(')
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return cp;
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else if (cp[1] == '%')
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cp++; /* skip over two % */
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/* otherwise this is a singleton, literal % */
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}
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cp++;
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}
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return NULL;
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}
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/*
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* Make sure the format string is well formed, and parse out
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* the used atoms.
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*/
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static void verify_format(const char *format)
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{
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const char *cp, *sp;
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for (cp = format; *cp && (sp = find_next(cp)); ) {
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const char *ep = strchr(sp, ')');
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if (!ep)
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die("malformatted format string %s", sp);
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/* sp points at "%(" and ep points at the closing ")" */
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parse_atom(sp + 2, ep);
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cp = ep + 1;
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}
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}
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/*
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* Given an object name, read the object data and size, and return a
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* "struct object". If the object data we are returning is also borrowed
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* by the "struct object" representation, set *eaten as well---it is a
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* signal from parse_object_buffer to us not to free the buffer.
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*/
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static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
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{
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char type[20];
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void *buf = read_sha1_file(sha1, type, sz);
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if (buf)
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*obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
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else
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*obj = NULL;
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return buf;
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}
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/* See grab_values */
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static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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{
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int i;
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for (i = 0; i < used_atom_cnt; i++) {
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const char *name = used_atom[i];
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struct atom_value *v = &val[i];
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if (!!deref != (*name == '*'))
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continue;
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if (deref)
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name++;
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if (!strcmp(name, "objecttype"))
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v->s = type_names[obj->type];
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else if (!strcmp(name, "objectsize")) {
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char *s = xmalloc(40);
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sprintf(s, "%lu", sz);
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v->ul = sz;
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v->s = s;
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}
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else if (!strcmp(name, "objectname")) {
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char *s = xmalloc(41);
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strcpy(s, sha1_to_hex(obj->sha1));
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v->s = s;
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}
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}
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}
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/* See grab_values */
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static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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{
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int i;
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struct tag *tag = (struct tag *) obj;
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for (i = 0; i < used_atom_cnt; i++) {
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const char *name = used_atom[i];
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struct atom_value *v = &val[i];
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if (!!deref != (*name == '*'))
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continue;
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if (deref)
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name++;
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if (!strcmp(name, "tag"))
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v->s = tag->tag;
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}
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}
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static int num_parents(struct commit *commit)
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{
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struct commit_list *parents;
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int i;
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for (i = 0, parents = commit->parents;
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parents;
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parents = parents->next)
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i++;
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return i;
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}
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/* See grab_values */
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static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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{
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int i;
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struct commit *commit = (struct commit *) obj;
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for (i = 0; i < used_atom_cnt; i++) {
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const char *name = used_atom[i];
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struct atom_value *v = &val[i];
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if (!!deref != (*name == '*'))
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continue;
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if (deref)
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name++;
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if (!strcmp(name, "tree")) {
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char *s = xmalloc(41);
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strcpy(s, sha1_to_hex(commit->tree->object.sha1));
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v->s = s;
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}
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if (!strcmp(name, "numparent")) {
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char *s = xmalloc(40);
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sprintf(s, "%lu", v->ul);
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v->s = s;
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v->ul = num_parents(commit);
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}
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else if (!strcmp(name, "parent")) {
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int num = num_parents(commit);
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int i;
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struct commit_list *parents;
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char *s = xmalloc(42 * num);
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v->s = s;
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for (i = 0, parents = commit->parents;
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parents;
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parents = parents->next, i = i + 42) {
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struct commit *parent = parents->item;
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strcpy(s+i, sha1_to_hex(parent->object.sha1));
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if (parents->next)
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s[i+40] = ' ';
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}
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}
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}
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}
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static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz)
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{
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const char *eol;
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while (*buf) {
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if (!strncmp(buf, who, wholen) &&
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buf[wholen] == ' ')
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return buf + wholen + 1;
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eol = strchr(buf, '\n');
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if (!eol)
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return "";
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eol++;
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if (eol[1] == '\n')
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return ""; /* end of header */
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buf = eol;
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}
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return "";
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}
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static char *copy_line(const char *buf)
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{
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const char *eol = strchr(buf, '\n');
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char *line;
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int len;
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if (!eol)
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return "";
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len = eol - buf;
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line = xmalloc(len + 1);
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memcpy(line, buf, len);
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line[len] = 0;
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return line;
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}
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static char *copy_name(const char *buf)
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{
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const char *eol = strchr(buf, '\n');
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const char *eoname = strstr(buf, " <");
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char *line;
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int len;
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if (!(eoname && eol && eoname < eol))
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return "";
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len = eoname - buf;
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line = xmalloc(len + 1);
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memcpy(line, buf, len);
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line[len] = 0;
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return line;
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}
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static char *copy_email(const char *buf)
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{
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const char *email = strchr(buf, '<');
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const char *eoemail = strchr(email, '>');
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char *line;
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int len;
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if (!email || !eoemail)
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return "";
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eoemail++;
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len = eoemail - email;
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line = xmalloc(len + 1);
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memcpy(line, email, len);
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line[len] = 0;
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return line;
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}
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static void grab_date(const char *buf, struct atom_value *v)
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{
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const char *eoemail = strstr(buf, "> ");
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char *zone;
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unsigned long timestamp;
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long tz;
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if (!eoemail)
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goto bad;
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timestamp = strtoul(eoemail + 2, &zone, 10);
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if (timestamp == ULONG_MAX)
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goto bad;
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tz = strtol(zone, NULL, 10);
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if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE)
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goto bad;
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v->s = xstrdup(show_date(timestamp, tz, 0));
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v->ul = timestamp;
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return;
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bad:
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v->s = "";
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v->ul = 0;
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}
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/* See grab_values */
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static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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{
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int i;
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int wholen = strlen(who);
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const char *wholine = NULL;
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for (i = 0; i < used_atom_cnt; i++) {
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const char *name = used_atom[i];
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struct atom_value *v = &val[i];
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if (!!deref != (*name == '*'))
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continue;
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if (deref)
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name++;
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if (strncmp(who, name, wholen))
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continue;
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if (name[wholen] != 0 &&
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strcmp(name + wholen, "name") &&
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strcmp(name + wholen, "email") &&
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strcmp(name + wholen, "date"))
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continue;
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if (!wholine)
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wholine = find_wholine(who, wholen, buf, sz);
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if (!wholine)
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return; /* no point looking for it */
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if (name[wholen] == 0)
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v->s = copy_line(wholine);
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else if (!strcmp(name + wholen, "name"))
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v->s = copy_name(wholine);
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else if (!strcmp(name + wholen, "email"))
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v->s = copy_email(wholine);
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else if (!strcmp(name + wholen, "date"))
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grab_date(wholine, v);
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}
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}
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static void find_subpos(const char *buf, unsigned long sz, const char **sub, const char **body)
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{
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while (*buf) {
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const char *eol = strchr(buf, '\n');
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if (!eol)
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return;
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if (eol[1] == '\n') {
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buf = eol + 1;
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break; /* found end of header */
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}
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buf = eol + 1;
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}
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while (*buf == '\n')
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buf++;
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if (!*buf)
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return;
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*sub = buf; /* first non-empty line */
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buf = strchr(buf, '\n');
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if (!buf)
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return; /* no body */
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while (*buf == '\n')
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buf++; /* skip blank between subject and body */
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*body = buf;
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}
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/* See grab_values */
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static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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{
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int i;
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const char *subpos = NULL, *bodypos = NULL;
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for (i = 0; i < used_atom_cnt; i++) {
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const char *name = used_atom[i];
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struct atom_value *v = &val[i];
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if (!!deref != (*name == '*'))
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continue;
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if (deref)
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name++;
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if (strcmp(name, "subject") &&
|
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strcmp(name, "body") &&
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strcmp(name, "contents"))
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continue;
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if (!subpos)
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find_subpos(buf, sz, &subpos, &bodypos);
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if (!subpos)
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return;
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if (!strcmp(name, "subject"))
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v->s = copy_line(subpos);
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else if (!strcmp(name, "body"))
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v->s = bodypos;
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else if (!strcmp(name, "contents"))
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v->s = subpos;
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}
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}
|
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|
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/* We want to have empty print-string for field requests
|
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* that do not apply (e.g. "authordate" for a tag object)
|
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*/
|
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static void fill_missing_values(struct atom_value *val)
|
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{
|
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int i;
|
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for (i = 0; i < used_atom_cnt; i++) {
|
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struct atom_value *v = &val[i];
|
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if (v->s == NULL)
|
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v->s = "";
|
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}
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}
|
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|
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/*
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* val is a list of atom_value to hold returned values. Extract
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* the values for atoms in used_atom array out of (obj, buf, sz).
|
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* 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.
|
||||
*/
|
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static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
|
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{
|
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grab_common_values(val, deref, obj, buf, sz);
|
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switch (obj->type) {
|
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case OBJ_TAG:
|
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grab_tag_values(val, deref, obj, buf, sz);
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grab_sub_body_contents(val, deref, obj, buf, sz);
|
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grab_person("tagger", val, deref, obj, buf, sz);
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break;
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case OBJ_COMMIT:
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grab_commit_values(val, deref, obj, buf, sz);
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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];
|
||||
}
|
||||
|
||||
static struct refinfo **grab_array;
|
||||
static const char **grab_pattern;
|
||||
static 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)
|
||||
{
|
||||
struct refinfo *ref;
|
||||
int cnt;
|
||||
|
||||
if (*grab_pattern) {
|
||||
const char **pattern;
|
||||
int namelen = strlen(refname);
|
||||
for (pattern = 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 = *grab_cnt;
|
||||
grab_array = xrealloc(grab_array, sizeof(*grab_array) * (cnt + 1));
|
||||
grab_array[cnt++] = ref;
|
||||
*grab_cnt = cnt;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct refinfo **grab_refs(const char **pattern, int *cnt)
|
||||
{
|
||||
/* Sheesh, we really should make for-each-ref to take
|
||||
* callback data.
|
||||
*/
|
||||
*cnt = 0;
|
||||
grab_pattern = pattern;
|
||||
grab_cnt = cnt;
|
||||
for_each_ref(grab_single_ref);
|
||||
return grab_array;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
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 cmd_for_each_ref(int ac, const char **av, char *prefix)
|
||||
{
|
||||
int i, num_refs;
|
||||
const char *format = NULL;
|
||||
struct ref_sort *sort = NULL, **sort_tail = &sort;
|
||||
int maxcount = 0;
|
||||
int quote_style = -1; /* unspecified yet */
|
||||
struct refinfo **refs;
|
||||
|
||||
for (i = 1; i < ac; i++) {
|
||||
const char *arg = av[i];
|
||||
if (arg[0] != '-')
|
||||
break;
|
||||
if (!strcmp(arg, "--")) {
|
||||
i++;
|
||||
break;
|
||||
}
|
||||
if (!strncmp(arg, "--format=", 9)) {
|
||||
if (format)
|
||||
die("more than one --format?");
|
||||
format = arg + 9;
|
||||
continue;
|
||||
}
|
||||
if (!strcmp(arg, "-s") || !strcmp(arg, "--shell") ) {
|
||||
if (0 <= quote_style)
|
||||
die("more than one quoting style?");
|
||||
quote_style = QUOTE_SHELL;
|
||||
continue;
|
||||
}
|
||||
if (!strcmp(arg, "-p") || !strcmp(arg, "--perl") ) {
|
||||
if (0 <= quote_style)
|
||||
die("more than one quoting style?");
|
||||
quote_style = QUOTE_PERL;
|
||||
continue;
|
||||
}
|
||||
if (!strcmp(arg, "--python") ) {
|
||||
if (0 <= quote_style)
|
||||
die("more than one quoting style?");
|
||||
quote_style = QUOTE_PYTHON;
|
||||
continue;
|
||||
}
|
||||
if (!strncmp(arg, "--count=", 8)) {
|
||||
if (maxcount)
|
||||
die("more than one --count?");
|
||||
maxcount = atoi(arg + 8);
|
||||
if (maxcount <= 0)
|
||||
die("The number %s did not parse", arg);
|
||||
continue;
|
||||
}
|
||||
if (!strncmp(arg, "--sort=", 7)) {
|
||||
struct ref_sort *s = xcalloc(1, sizeof(*s));
|
||||
int len;
|
||||
|
||||
s->next = NULL;
|
||||
*sort_tail = s;
|
||||
sort_tail = &s->next;
|
||||
|
||||
arg += 7;
|
||||
if (*arg == '-') {
|
||||
s->reverse = 1;
|
||||
arg++;
|
||||
}
|
||||
len = strlen(arg);
|
||||
sort->atom = parse_atom(arg, arg+len);
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
if (quote_style < 0)
|
||||
quote_style = QUOTE_NONE;
|
||||
|
||||
if (!sort)
|
||||
sort = default_sort();
|
||||
sort_atom_limit = used_atom_cnt;
|
||||
if (!format)
|
||||
format = "%(objectname) %(objecttype)\t%(refname)";
|
||||
|
||||
verify_format(format);
|
||||
|
||||
refs = grab_refs(av + i, &num_refs);
|
||||
|
||||
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;
|
||||
}
|
||||
Reference in New Issue
Block a user