};
static int deref_tags, show_head, tags_only, heads_only, found_match, verify,
- quiet, hash_only, abbrev, exclude_arg;
-static const char *exclude_existing_arg;
+ quiet, hash_only, abbrev;
static void show_one(const char *refname, const struct object_id *oid)
{
return 0;
}
+struct exclude_existing_options {
+ /*
+ * We need an explicit `enabled` field because it is perfectly valid
+ * for `pattern` to be `NULL` even if `--exclude-existing` was given.
+ */
+ int enabled;
+ const char *pattern;
+};
+
/*
* read "^(?:<anything>\s)?<refname>(?:\^\{\})?$" from the standard input,
* and
* (4) ignore if refname is a ref that exists in the local repository;
* (5) otherwise output the line.
*/
-static int cmd_show_ref__exclude_existing(const char *match)
+static int cmd_show_ref__exclude_existing(const struct exclude_existing_options *opts)
{
struct string_list existing_refs = STRING_LIST_INIT_DUP;
char buf[1024];
- int matchlen = match ? strlen(match) : 0;
+ int patternlen = opts->pattern ? strlen(opts->pattern) : 0;
for_each_ref(add_existing, &existing_refs);
while (fgets(buf, sizeof(buf), stdin)) {
for (ref = buf + len; buf < ref; ref--)
if (isspace(ref[-1]))
break;
- if (match) {
+ if (opts->pattern) {
int reflen = buf + len - ref;
- if (reflen < matchlen)
+ if (reflen < patternlen)
continue;
- if (strncmp(ref, match, matchlen))
+ if (strncmp(ref, opts->pattern, patternlen))
continue;
}
if (check_refname_format(ref, 0)) {
static int exclude_existing_callback(const struct option *opt, const char *arg,
int unset)
{
+ struct exclude_existing_options *opts = opt->value;
BUG_ON_OPT_NEG(unset);
- exclude_arg = 1;
- *(const char **)opt->value = arg;
+ opts->enabled = 1;
+ opts->pattern = arg;
return 0;
}
-static const struct option show_ref_options[] = {
- OPT_BOOL(0, "tags", &tags_only, N_("only show tags (can be combined with heads)")),
- OPT_BOOL(0, "heads", &heads_only, N_("only show heads (can be combined with tags)")),
- OPT_BOOL(0, "verify", &verify, N_("stricter reference checking, "
- "requires exact ref path")),
- OPT_HIDDEN_BOOL('h', NULL, &show_head,
- N_("show the HEAD reference, even if it would be filtered out")),
- OPT_BOOL(0, "head", &show_head,
- N_("show the HEAD reference, even if it would be filtered out")),
- OPT_BOOL('d', "dereference", &deref_tags,
- N_("dereference tags into object IDs")),
- OPT_CALLBACK_F('s', "hash", &abbrev, N_("n"),
- N_("only show SHA1 hash using <n> digits"),
- PARSE_OPT_OPTARG, &hash_callback),
- OPT__ABBREV(&abbrev),
- OPT__QUIET(&quiet,
- N_("do not print results to stdout (useful with --verify)")),
- OPT_CALLBACK_F(0, "exclude-existing", &exclude_existing_arg,
- N_("pattern"), N_("show refs from stdin that aren't in local repository"),
- PARSE_OPT_OPTARG | PARSE_OPT_NONEG, exclude_existing_callback),
- OPT_END()
-};
-
int cmd_show_ref(int argc, const char **argv, const char *prefix)
{
+ struct exclude_existing_options exclude_existing_opts = {0};
+ const struct option show_ref_options[] = {
+ OPT_BOOL(0, "tags", &tags_only, N_("only show tags (can be combined with heads)")),
+ OPT_BOOL(0, "heads", &heads_only, N_("only show heads (can be combined with tags)")),
+ OPT_BOOL(0, "verify", &verify, N_("stricter reference checking, "
+ "requires exact ref path")),
+ OPT_HIDDEN_BOOL('h', NULL, &show_head,
+ N_("show the HEAD reference, even if it would be filtered out")),
+ OPT_BOOL(0, "head", &show_head,
+ N_("show the HEAD reference, even if it would be filtered out")),
+ OPT_BOOL('d', "dereference", &deref_tags,
+ N_("dereference tags into object IDs")),
+ OPT_CALLBACK_F('s', "hash", &abbrev, N_("n"),
+ N_("only show SHA1 hash using <n> digits"),
+ PARSE_OPT_OPTARG, &hash_callback),
+ OPT__ABBREV(&abbrev),
+ OPT__QUIET(&quiet,
+ N_("do not print results to stdout (useful with --verify)")),
+ OPT_CALLBACK_F(0, "exclude-existing", &exclude_existing_opts,
+ N_("pattern"), N_("show refs from stdin that aren't in local repository"),
+ PARSE_OPT_OPTARG | PARSE_OPT_NONEG, exclude_existing_callback),
+ OPT_END()
+ };
+
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, show_ref_options,
show_ref_usage, 0);
- if (exclude_arg)
- return cmd_show_ref__exclude_existing(exclude_existing_arg);
+ if (exclude_existing_opts.enabled)
+ return cmd_show_ref__exclude_existing(&exclude_existing_opts);
else if (verify)
return cmd_show_ref__verify(argv);
else