#include "object.h"
#include "tag.h"
#include "string-list.h"
+#include "parse-options.h"
-static const char show_ref_usage[] = "git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] [-s|--hash[=<length>]] [--abbrev[=<length>]] [--tags] [--heads] [--] [pattern*] < ref-list";
+static const char * const show_ref_usage[] = {
+ "git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [pattern*] ",
+ "git show-ref --exclude-existing[=pattern] < ref-list",
+ NULL
+};
-static int deref_tags = 0, show_head = 0, tags_only = 0, heads_only = 0,
- found_match = 0, verify = 0, quiet = 0, hash_only = 0, abbrev = 0;
+static int deref_tags, show_head, tags_only, heads_only, found_match, verify,
+ quiet, hash_only, abbrev, exclude_arg;
static const char **pattern;
+static const char *exclude_existing_arg;
static void show_one(const char *refname, const unsigned char *sha1)
{
return 0;
}
+static int hash_callback(const struct option *opt, const char *arg, int unset)
+{
+ hash_only = 1;
+ /* Use full length SHA1 if no argument */
+ if (!arg)
+ return 0;
+ return parse_opt_abbrev_cb(opt, arg, unset);
+}
+
+static int exclude_existing_callback(const struct option *opt, const char *arg,
+ int unset)
+{
+ exclude_arg = 1;
+ *(const char **)opt->value = arg;
+ return 0;
+}
+
+static int help_callback(const struct option *opt, const char *arg, int unset)
+{
+ return -1;
+}
+
+static const struct option show_ref_options[] = {
+ OPT_BOOLEAN(0, "tags", &tags_only, "only show tags (can be combined with heads)"),
+ OPT_BOOLEAN(0, "heads", &heads_only, "only show heads (can be combined with tags)"),
+ OPT_BOOLEAN(0, "verify", &verify, "stricter reference checking, "
+ "requires exact ref path"),
+ OPT_BOOLEAN('h', "head", &show_head, "show the HEAD reference"),
+ OPT_BOOLEAN('d', "dereference", &deref_tags,
+ "dereference tags into object IDs"),
+ { OPTION_CALLBACK, 's', "hash", &abbrev, "n",
+ "only show SHA1 hash using <n> digits",
+ PARSE_OPT_OPTARG, &hash_callback },
+ OPT__ABBREV(&abbrev),
+ OPT__QUIET(&quiet),
+ { OPTION_CALLBACK, 0, "exclude-existing", &exclude_existing_arg,
+ "pattern", "show refs from stdin that aren't in local repository",
+ PARSE_OPT_OPTARG | PARSE_OPT_NONEG, exclude_existing_callback },
+ { OPTION_CALLBACK, 0, "help-all", NULL, NULL, "show usage",
+ PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
+ OPT_END()
+};
+
int cmd_show_ref(int argc, const char **argv, const char *prefix)
{
- int i;
+ argc = parse_options(argc, argv, prefix, show_ref_options,
+ show_ref_usage, PARSE_OPT_NO_INTERNAL_HELP);
- for (i = 1; i < argc; i++) {
- const char *arg = argv[i];
- if (*arg != '-') {
- pattern = argv + i;
- break;
- }
- if (!strcmp(arg, "--")) {
- pattern = argv + i + 1;
- if (!*pattern)
- pattern = NULL;
- break;
- }
- if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) {
- quiet = 1;
- continue;
- }
- if (!strcmp(arg, "-h") || !strcmp(arg, "--head")) {
- show_head = 1;
- continue;
- }
- if (!strcmp(arg, "-d") || !strcmp(arg, "--dereference")) {
- deref_tags = 1;
- continue;
- }
- if (!strcmp(arg, "-s") || !strcmp(arg, "--hash")) {
- hash_only = 1;
- continue;
- }
- if (!prefixcmp(arg, "--hash=") ||
- (!prefixcmp(arg, "--abbrev") &&
- (arg[8] == '=' || arg[8] == '\0'))) {
- if (arg[2] != 'h' && !arg[8])
- /* --abbrev only */
- abbrev = DEFAULT_ABBREV;
- else {
- /* --hash= or --abbrev= */
- char *end;
- if (arg[2] == 'h') {
- hash_only = 1;
- arg += 7;
- }
- else
- arg += 9;
- abbrev = strtoul(arg, &end, 10);
- if (*end || abbrev > 40)
- usage(show_ref_usage);
- if (abbrev < MINIMUM_ABBREV)
- abbrev = MINIMUM_ABBREV;
- }
- continue;
- }
- if (!strcmp(arg, "--verify")) {
- verify = 1;
- continue;
- }
- if (!strcmp(arg, "--tags")) {
- tags_only = 1;
- continue;
- }
- if (!strcmp(arg, "--heads")) {
- heads_only = 1;
- continue;
- }
- if (!strcmp(arg, "--exclude-existing"))
- return exclude_existing(NULL);
- if (!prefixcmp(arg, "--exclude-existing="))
- return exclude_existing(arg + 19);
- usage(show_ref_usage);
- }
+ if (exclude_arg)
+ return exclude_existing(exclude_existing_arg);
+
+ pattern = argv;
+ if (!*pattern)
+ pattern = NULL;
if (verify) {
if (!pattern)