1 files changed, 0 insertions, 226 deletions
diff --git a/third_party/git/builtin/show-ref.c b/third_party/git/builtin/show-ref.c
deleted file mode 100644
index ae60b4acf2f4..000000000000
--- a/third_party/git/builtin/show-ref.c
+++ /dev/null
@@ -1,226 +0,0 @@
-#include "builtin.h"
-#include "cache.h"
-#include "config.h"
-#include "refs.h"
-#include "object-store.h"
-#include "object.h"
-#include "tag.h"
-#include "string-list.h"
-#include "parse-options.h"
-
-static const char * const show_ref_usage[] = {
-	N_("git show-ref [-q | --quiet] [--verify] [--head] [-d | --dereference] [-s | --hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [<pattern>...]"),
-	N_("git show-ref --exclude-existing[=<pattern>]"),
-	NULL
-};
-
-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 struct object_id *oid)
-{
-	const char *hex;
-	struct object_id peeled;
-
-	if (!has_object_file(oid))
-		die("git show-ref: bad ref %s (%s)", refname,
-		    oid_to_hex(oid));
-
-	if (quiet)
-		return;
-
-	hex = find_unique_abbrev(oid, abbrev);
-	if (hash_only)
-		printf("%s\n", hex);
-	else
-		printf("%s %s\n", hex, refname);
-
-	if (!deref_tags)
-		return;
-
-	if (!peel_ref(refname, &peeled)) {
-		hex = find_unique_abbrev(&peeled, abbrev);
-		printf("%s %s^{}\n", hex, refname);
-	}
-}
-
-static int show_ref(const char *refname, const struct object_id *oid,
-		    int flag, void *cbdata)
-{
-	if (show_head && !strcmp(refname, "HEAD"))
-		goto match;
-
-	if (tags_only || heads_only) {
-		int match;
-
-		match = heads_only && starts_with(refname, "refs/heads/");
-		match |= tags_only && starts_with(refname, "refs/tags/");
-		if (!match)
-			return 0;
-	}
-	if (pattern) {
-		int reflen = strlen(refname);
-		const char **p = pattern, *m;
-		while ((m = *p++) != NULL) {
-			int len = strlen(m);
-			if (len > reflen)
-				continue;
-			if (memcmp(m, refname + reflen - len, len))
-				continue;
-			if (len == reflen)
-				goto match;
-			if (refname[reflen - len - 1] == '/')
-				goto match;
-		}
-		return 0;
-	}
-
-match:
-	found_match++;
-
-	show_one(refname, oid);
-
-	return 0;
-}
-
-static int add_existing(const char *refname, const struct object_id *oid,
-			int flag, void *cbdata)
-{
-	struct string_list *list = (struct string_list *)cbdata;
-	string_list_insert(list, refname);
-	return 0;
-}
-
-/*
- * read "^(?:<anything>\s)?<refname>(?:\^\{\})?$" from the standard input,
- * and
- * (1) strip "^{}" at the end of line if any;
- * (2) ignore if match is provided and does not head-match refname;
- * (3) warn if refname is not a well-formed refname and skip;
- * (4) ignore if refname is a ref that exists in the local repository;
- * (5) otherwise output the line.
- */
-static int exclude_existing(const char *match)
-{
-	static struct string_list existing_refs = STRING_LIST_INIT_DUP;
-	char buf[1024];
-	int matchlen = match ? strlen(match) : 0;
-
-	for_each_ref(add_existing, &existing_refs);
-	while (fgets(buf, sizeof(buf), stdin)) {
-		char *ref;
-		int len = strlen(buf);
-
-		if (len > 0 && buf[len - 1] == '\n')
-			buf[--len] = '\0';
-		if (3 <= len && !strcmp(buf + len - 3, "^{}")) {
-			len -= 3;
-			buf[len] = '\0';
-		}
-		for (ref = buf + len; buf < ref; ref--)
-			if (isspace(ref[-1]))
-				break;
-		if (match) {
-			int reflen = buf + len - ref;
-			if (reflen < matchlen)
-				continue;
-			if (strncmp(ref, match, matchlen))
-				continue;
-		}
-		if (check_refname_format(ref, 0)) {
-			warning("ref '%s' ignored", ref);
-			continue;
-		}
-		if (!string_list_has_string(&existing_refs, ref)) {
-			printf("%s\n", buf);
-		}
-	}
-	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)
-{
-	BUG_ON_OPT_NEG(unset);
-	exclude_arg = 1;
-	*(const char **)opt->value = 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)
-{
-	git_config(git_default_config, NULL);
-
-	argc = parse_options(argc, argv, prefix, show_ref_options,
-			     show_ref_usage, 0);
-
-	if (exclude_arg)
-		return exclude_existing(exclude_existing_arg);
-
-	pattern = argv;
-	if (!*pattern)
-		pattern = NULL;
-
-	if (verify) {
-		if (!pattern)
-			die("--verify requires a reference");
-		while (*pattern) {
-			struct object_id oid;
-
-			if ((starts_with(*pattern, "refs/") || !strcmp(*pattern, "HEAD")) &&
-			    !read_ref(*pattern, &oid)) {
-				show_one(*pattern, &oid);
-			}
-			else if (!quiet)
-				die("'%s' - not a valid ref", *pattern);
-			else
-				return 1;
-			pattern++;
-		}
-		return 0;
-	}
-
-	if (show_head)
-		head_ref(show_ref, NULL);
-	for_each_ref(show_ref, NULL);
-	if (!found_match) {
-		if (verify && !quiet)
-			die("No match");
-		return 1;
-	}
-	return 0;
-}