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https://github.com/git/git.git
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c40abef89f
With this option only the sha1 hash of the ref should be printed. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
121 lines
2.5 KiB
C
121 lines
2.5 KiB
C
#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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static const char show_ref_usage[] = "git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--deref] [-s|--hash] [--tags] [--heads] [--] [pattern*]";
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static int deref_tags = 0, show_head = 0, tags_only = 0, heads_only = 0,
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found_match = 0, verify = 0, quiet = 0, hash_only = 0;
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static const char **pattern;
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static int show_ref(const char *refname, const unsigned char *sha1)
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{
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struct object *obj;
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if (tags_only || heads_only) {
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int match;
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match = heads_only && !strncmp(refname, "refs/heads/", 11);
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match |= tags_only && !strncmp(refname, "refs/tags/", 10);
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if (!match)
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return 0;
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}
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if (pattern) {
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int reflen = strlen(refname);
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const char **p = pattern, *m;
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while ((m = *p++) != NULL) {
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int len = strlen(m);
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if (len > reflen)
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continue;
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if (memcmp(m, refname + reflen - len, len))
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continue;
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if (len == reflen)
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goto match;
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/* "--verify" requires an exact match */
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if (verify)
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continue;
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if (refname[reflen - len - 1] == '/')
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goto match;
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}
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return 0;
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}
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match:
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found_match++;
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obj = parse_object(sha1);
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if (!obj) {
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if (quiet)
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return 0;
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die("git-show-ref: bad ref %s (%s)", refname, sha1_to_hex(sha1));
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}
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if (quiet)
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return 0;
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if (hash_only)
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printf("%s\n", sha1_to_hex(sha1));
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else
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printf("%s %s\n", sha1_to_hex(sha1), refname);
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if (deref_tags && obj->type == OBJ_TAG) {
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obj = deref_tag(obj, refname, 0);
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printf("%s %s^{}\n", sha1_to_hex(obj->sha1), refname);
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}
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return 0;
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}
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int cmd_show_ref(int argc, const char **argv, const char *prefix)
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{
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int i;
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (*arg != '-') {
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pattern = argv + i;
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break;
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}
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if (!strcmp(arg, "--")) {
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pattern = argv + i + 1;
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if (!*pattern)
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pattern = NULL;
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break;
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}
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if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) {
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quiet = 1;
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continue;
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}
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if (!strcmp(arg, "-h") || !strcmp(arg, "--head")) {
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show_head = 1;
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continue;
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}
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if (!strcmp(arg, "-d") || !strcmp(arg, "--dereference")) {
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deref_tags = 1;
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continue;
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}
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if (!strcmp(arg, "-s") || !strcmp(arg, "--hash")) {
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hash_only = 1;
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continue;
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}
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if (!strcmp(arg, "--verify")) {
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verify = 1;
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continue;
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}
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if (!strcmp(arg, "--tags")) {
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tags_only = 1;
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continue;
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}
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if (!strcmp(arg, "--heads")) {
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heads_only = 1;
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continue;
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}
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usage(show_ref_usage);
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}
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if (show_head)
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head_ref(show_ref);
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for_each_ref(show_ref);
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if (!found_match) {
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if (verify && !quiet)
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die("No match");
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return 1;
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}
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return 0;
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}
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