int cmd_describe(int argc, const char **argv, const char *prefix)
{
int contains = 0;
struct option options[] = {
OPT_BOOLEAN(0, "contains", &contains, N_("find the tag that comes after the commit")),
OPT_BOOLEAN(0, "debug", &debug, N_("debug search strategy on stderr")),
OPT_BOOLEAN(0, "all", &all, N_("use any ref")),
OPT_BOOLEAN(0, "tags", &tags, N_("use any tag, even unannotated")),
OPT_BOOLEAN(0, "long", &longformat, N_("always use long format")),
OPT__ABBREV(&abbrev),
OPT_SET_INT(0, "exact-match", &max_candidates,
N_("only output exact matches"), 0),
OPT_INTEGER(0, "candidates", &max_candidates,
N_("consider <n> most recent tags (default: 10)")),
OPT_STRING(0, "match", &pattern, N_("pattern"),
N_("only consider tags matching <pattern>")),
OPT_BOOLEAN(0, "always", &always,
N_("show abbreviated commit object as fallback")),
{OPTION_STRING, 0, "dirty", &dirty, N_("mark"),
N_("append <mark> on dirty working tree (default: \"-dirty\")"),
PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"},
OPT_END(),
};
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, options, describe_usage, 0);
if (abbrev < 0)
abbrev = DEFAULT_ABBREV;
if (max_candidates < 0)
max_candidates = 0;
else if (max_candidates > MAX_TAGS)
max_candidates = MAX_TAGS;
save_commit_buffer = 0;
if (longformat && abbrev == 0)
die(_("--long is incompatible with --abbrev=0"));
if (contains) {
const char **args = xmalloc((7 + argc) * sizeof(char *));
int i = 0;
args[i++] = "name-rev";
args[i++] = "--name-only";
args[i++] = "--no-undefined";
if (always)
args[i++] = "--always";
if (!all) {
args[i++] = "--tags";
if (pattern) {
char *s = xmalloc(strlen("--refs=refs/tags/") + strlen(pattern) + 1);
sprintf(s, "--refs=refs/tags/%s", pattern);
args[i++] = s;
}
}
memcpy(args + i, argv, argc * sizeof(char *));
args[i + argc] = NULL;
return cmd_name_rev(i + argc, args, prefix);
}
init_hash(&names);
for_each_rawref(get_name, NULL);
if (!names.nr && !always)
die(_("No names found, cannot describe anything."));
if (argc == 0) {
if (dirty) {
static struct lock_file index_lock;
int fd;
read_cache_preload(NULL);
refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED,
NULL, NULL, NULL);
fd = hold_locked_index(&index_lock, 0);
if (0 <= fd)
update_index_if_able(&the_index, &index_lock);
if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1,
diff_index_args, prefix))
dirty = NULL;
}
describe("HEAD", 1);
} else if (dirty) {
die(_("--dirty is incompatible with committishes"));
} else {
while (argc-- > 0) {
describe(*argv++, argc == 0);
}
}
return 0;
}
int cmd_describe(int argc, const char **argv, const char *prefix)
{
int contains = 0;
struct option options[] = {
OPT_BOOLEAN(0, "contains", &contains, "find the tag that comes after the commit"),
OPT_BOOLEAN(0, "debug", &debug, "debug search strategy on stderr"),
OPT_BOOLEAN(0, "all", &all, "use any ref in .git/refs"),
OPT_BOOLEAN(0, "tags", &tags, "use any tag in .git/refs/tags"),
OPT_BOOLEAN(0, "long", &longformat, "always use long format"),
OPT__ABBREV(&abbrev),
OPT_SET_INT(0, "exact-match", &max_candidates,
"only output exact matches", 0),
OPT_INTEGER(0, "candidates", &max_candidates,
"consider <n> most recent tags (default: 10)"),
OPT_STRING(0, "match", &pattern, "pattern",
"only consider tags matching <pattern>"),
OPT_BOOLEAN(0, "always", &always,
"show abbreviated commit object as fallback"),
OPT_END(),
};
argc = parse_options(argc, argv, options, describe_usage, 0);
if (max_candidates < 0)
max_candidates = 0;
else if (max_candidates > MAX_TAGS)
max_candidates = MAX_TAGS;
save_commit_buffer = 0;
if (longformat && abbrev == 0)
die("--long is incompatible with --abbrev=0");
if (contains) {
const char **args = xmalloc((7 + argc) * sizeof(char*));
int i = 0;
args[i++] = "name-rev";
args[i++] = "--name-only";
args[i++] = "--no-undefined";
if (always)
args[i++] = "--always";
if (!all) {
args[i++] = "--tags";
if (pattern) {
char *s = xmalloc(strlen("--refs=refs/tags/") + strlen(pattern) + 1);
sprintf(s, "--refs=refs/tags/%s", pattern);
args[i++] = s;
}
}
memcpy(args + i, argv, argc * sizeof(char*));
args[i + argc] = NULL;
return cmd_name_rev(i + argc, args, prefix);
}
if (argc == 0) {
describe("HEAD", 1);
} else {
while (argc-- > 0) {
describe(*argv++, argc == 0);
}
}
return 0;
}