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120 lines
2.6 KiB
120 lines
2.6 KiB
#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|--dereference] [-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, int flag, void *cbdata) |
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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, NULL); |
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for_each_ref(show_ref, NULL); |
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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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