#define REACHABLE 0x0001
#define SEEN 0x0002
-static int show_root = 0;
-static int show_tags = 0;
-static int show_unreachable = 0;
-static int check_full = 0;
-static int check_strict = 0;
-static int keep_cache_objects = 0;
+static int show_root;
+static int show_tags;
+static int show_unreachable;
+static int check_full;
+static int check_strict;
+static int keep_cache_objects;
static unsigned char head_sha1[20];
#ifdef NO_D_INO_IN_DIRENT
int nr;
entry->ino = ino;
- memcpy(entry->sha1, sha1, 20);
+ hashcpy(entry->sha1, sha1);
nr = sha1_list.nr;
if (nr == MAX_SHA1_ENTRIES) {
fsck_sha1_list();
closedir(dir);
}
-static int default_refs = 0;
+static int default_refs;
-static int fsck_handle_ref(const char *refname, const unsigned char *sha1)
+static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
struct object *obj;
static void get_default_heads(void)
{
- for_each_ref(fsck_handle_ref);
- if (!default_refs)
- die("No default references");
+ for_each_ref(fsck_handle_ref, NULL);
+
+ /*
+ * Not having any default heads isn't really fatal, but
+ * it does mean that "--unreachable" no longer makes any
+ * sense (since in this case everything will obviously
+ * be unreachable by definition.
+ *
+ * Showing dangling objects is valid, though (as those
+ * dangling objects are likely lost heads).
+ *
+ * So we just print a warning about it, and clear the
+ * "show_unreachable" flag.
+ */
+ if (!default_refs) {
+ error("No default references");
+ show_unreachable = 0;
+ }
}
static void fsck_object_dir(const char *path)
static int fsck_head_link(void)
{
unsigned char sha1[20];
- 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 */
+ int flag;
+ const char *head_points_at = resolve_ref("HEAD", sha1, 1, &flag);
- if (!git_refs_heads_master)
+ if (!head_points_at || !(flag & REF_ISSYMREF))
return error("HEAD is not a symbolic ref");
- if (strncmp(git_refs_heads_master + pfxlen, "refs/heads/", 11))
+ if (strncmp(head_points_at, "refs/heads/", 11))
return error("HEAD points to something strange (%s)",
- git_refs_heads_master + pfxlen);
+ head_points_at);
if (is_null_sha1(sha1))
return error("HEAD: not a valid git pointer");
return 0;