1 files changed, 0 insertions, 84 deletions
diff --git a/update-ref.c b/update-ref.c
deleted file mode 100644
index e6fbddbab6..0000000000
--- a/update-ref.c
+++ /dev/null
@@ -1,84 +0,0 @@
-#include "cache.h"
-#include "refs.h"
-
-static const char git_update_ref_usage[] = "git-update-ref <refname> <value> [<oldval>]";
-
-static int re_verify(const char *path, unsigned char *oldsha1, unsigned char *currsha1)
-{
-	char buf[40];
-	int fd = open(path, O_RDONLY), nr;
-	if (fd < 0)
-		return -1;
-	nr = read(fd, buf, 40);
-	close(fd);
-	if (nr != 40 || get_sha1_hex(buf, currsha1) < 0)
-		return -1;
-	return memcmp(oldsha1, currsha1, 20) ? -1 : 0;
-}
-
-int main(int argc, char **argv)
-{
-	char *hex;
-	const char *refname, *value, *oldval, *path;
-	char *lockpath;
-	unsigned char sha1[20], oldsha1[20], currsha1[20];
-	int fd, written;
-
-	setup_git_directory();
-	if (argc < 3 || argc > 4)
-		usage(git_update_ref_usage);
-
-	refname = argv[1];
-	value = argv[2];
-	oldval = argv[3];
-	if (get_sha1(value, sha1) < 0)
-		die("%s: not a valid SHA1", value);
-	memset(oldsha1, 0, 20);
-	if (oldval && get_sha1(oldval, oldsha1) < 0)
-		die("%s: not a valid old SHA1", oldval);
-
-	path = resolve_ref(git_path("%s", refname), currsha1, !!oldval);
-	if (!path)
-		die("No such ref: %s", refname);
-
-	if (oldval) {
-		if (memcmp(currsha1, oldsha1, 20))
-			die("Ref %s is at %s but expected %s", refname, sha1_to_hex(currsha1), sha1_to_hex(oldsha1));
-		/* Nothing to do? */
-		if (!memcmp(oldsha1, sha1, 20))
-			exit(0);
-	}
-	path = strdup(path);
-	lockpath = mkpath("%s.lock", path);
-	if (safe_create_leading_directories(lockpath) < 0)
-		die("Unable to create all of %s", lockpath);
-
-	fd = open(lockpath, O_CREAT | O_EXCL | O_WRONLY, 0666);
-	if (fd < 0)
-		die("Unable to create %s", lockpath);
-	hex = sha1_to_hex(sha1);
-	hex[40] = '\n';
-	written = write(fd, hex, 41);
-	close(fd);
-	if (written != 41) {
-		unlink(lockpath);
-		die("Unable to write to %s", lockpath);
-	}
-
-	/*
-	 * Re-read the ref after getting the lock to verify
-	 */
-	if (oldval && re_verify(path, oldsha1, currsha1) < 0) {
-		unlink(lockpath);
-		die("Ref lock failed");
-	}
-
-	/*
-	 * Finally, replace the old ref with the new one
-	 */
-	if (rename(lockpath, path) < 0) {
-		unlink(lockpath);
-		die("Unable to create %s", path);
-	}
-	return 0;
-}