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-rw-r--r--builtin/fsck.c18
-rwxr-xr-xt/t1450-fsck.sh22
2 files changed, 35 insertions, 5 deletions
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 4e8e2ee5b7..63ab0bbb0c 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -35,6 +35,7 @@ static int show_dangling = 1;
#define ERROR_OBJECT 01
#define ERROR_REACHABLE 02
#define ERROR_PACK 04
+#define ERROR_REFS 010
#ifdef NO_D_INO_IN_DIRENT
#define SORT_DIRENT 0
@@ -495,8 +496,10 @@ static int fsck_handle_ref(const char *refname, const struct object_id *oid,
/* We'll continue with the rest despite the error.. */
return 0;
}
- if (obj->type != OBJ_COMMIT && is_branch(refname))
+ if (obj->type != OBJ_COMMIT && is_branch(refname)) {
error("%s: not a commit", refname);
+ errors_found |= ERROR_REFS;
+ }
default_refs++;
obj->used = 1;
mark_object_reachable(obj);
@@ -559,17 +562,23 @@ static int fsck_head_link(void)
fprintf(stderr, "Checking HEAD link\n");
head_points_at = resolve_ref_unsafe("HEAD", 0, head_oid.hash, &flag);
- if (!head_points_at)
+ if (!head_points_at) {
+ errors_found |= ERROR_REFS;
return error("Invalid HEAD");
+ }
if (!strcmp(head_points_at, "HEAD"))
/* detached HEAD */
null_is_error = 1;
- else if (!starts_with(head_points_at, "refs/heads/"))
+ else if (!starts_with(head_points_at, "refs/heads/")) {
+ errors_found |= ERROR_REFS;
return error("HEAD points to something strange (%s)",
head_points_at);
+ }
if (is_null_oid(&head_oid)) {
- if (null_is_error)
+ if (null_is_error) {
+ errors_found |= ERROR_REFS;
return error("HEAD: detached HEAD points at nothing");
+ }
fprintf(stderr, "notice: HEAD points to an unborn branch (%s)\n",
head_points_at + 11);
}
@@ -589,6 +598,7 @@ static int fsck_cache_tree(struct cache_tree *it)
if (!obj) {
error("%s: invalid sha1 pointer in cache-tree",
sha1_to_hex(it->sha1));
+ errors_found |= ERROR_REFS;
return 1;
}
obj->used = 1;
diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index cfb32b6242..0ad04da016 100755
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -77,11 +77,31 @@ test_expect_success 'object with bad sha1' '
test_expect_success 'branch pointing to non-commit' '
git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
test_when_finished "git update-ref -d refs/heads/invalid" &&
- git fsck 2>out &&
+ test_must_fail git fsck 2>out &&
cat out &&
grep "not a commit" out
'
+test_expect_success 'HEAD link pointing at a funny object' '
+ test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+ mv .git/HEAD .git/SAVED_HEAD &&
+ echo 0000000000000000000000000000000000000000 >.git/HEAD &&
+ # avoid corrupt/broken HEAD from interfering with repo discovery
+ test_must_fail env GIT_DIR=.git git fsck 2>out &&
+ cat out &&
+ grep "detached HEAD points" out
+'
+
+test_expect_success 'HEAD link pointing at a funny place' '
+ test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+ mv .git/HEAD .git/SAVED_HEAD &&
+ echo "ref: refs/funny/place" >.git/HEAD &&
+ # avoid corrupt/broken HEAD from interfering with repo discovery
+ test_must_fail env GIT_DIR=.git git fsck 2>out &&
+ cat out &&
+ grep "HEAD points to something strange" out
+'
+
test_expect_success 'email without @ is okay' '
git cat-file commit HEAD >basis &&
sed "s/@/AT/" basis >okay &&