X-Git-Url: https://git.octo.it/?a=blobdiff_plain;ds=sidebyside;f=fsck-objects.c;h=65cec7d12b6fecc95e842069d2afa1e87bceebc1;hb=e11fc02066435b0f370d639e665ec70680e876a6;hp=6cb0f29be8a1eed5c22c90894560e399aa537f56;hpb=0493a3fd5204a36bc961a8611770ddb9ec1ed8ed;p=git.git

diff --git a/fsck-objects.c b/fsck-objects.c
index 6cb0f29b..65cec7d1 100644
--- a/fsck-objects.c
+++ b/fsck-objects.c
@@ -30,7 +30,7 @@ static void objreport(struct object *obj, const char *severity,
 	fputs("\n", stderr);
 }
 
-int objerror(struct object *obj, const char *err, ...)
+static int objerror(struct object *obj, const char *err, ...)
 {
 	va_list params;
 	va_start(params, err);
@@ -39,7 +39,7 @@ int objerror(struct object *obj, const char *err, ...)
 	return -1;
 }
 
-int objwarning(struct object *obj, const char *err, ...)
+static int objwarning(struct object *obj, const char *err, ...)
 {
 	va_list params;
 	va_start(params, err);
@@ -402,28 +402,17 @@ static void fsck_object_dir(const char *path)
 
 static int fsck_head_link(void)
 {
-	int fd, count;
-	char hex[40];
 	unsigned char sha1[20];
-	static char path[PATH_MAX], link[PATH_MAX];
-	const char *git_dir;
-
-	git_dir = getenv(GIT_DIR_ENVIRONMENT);
-	if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
-
-	snprintf(path, sizeof(path), "%s/HEAD", git_dir);
-	if (readlink(path, link, sizeof(link)) < 0)
-		return error("HEAD is not a symlink");
-	if (strncmp("refs/heads/", link, 11))
-		return error("HEAD points to something strange (%s)", link);
-	fd = open(path, O_RDONLY);
-	if (fd < 0)
-		return error("HEAD: %s", strerror(errno));
-	count = read(fd, hex, sizeof(hex));
-	close(fd);
-	if (count < 0)
-		return error("HEAD: %s", strerror(errno));
-	if (count < 40 || get_sha1_hex(hex, sha1))
+	const char *git_HEAD = strdup(git_path("HEAD"));
+	const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 1);
+	int pfxlen = strlen(git_HEAD) - 4; /* strip .../.git/ part */
+
+	if (!git_refs_heads_master)
+		return error("HEAD is not a symbolic ref");
+	if (strncmp(git_refs_heads_master + pfxlen, "refs/heads/", 11))
+		return error("HEAD points to something strange (%s)",
+			     git_refs_heads_master + pfxlen);
+	if (!memcmp(null_sha1, sha1, 20))
 		return error("HEAD: not a valid git pointer");
 	return 0;
 }