Merge branch 'jc/doc-gc-prune-now' into maint

diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index 956673b8a14d39ef6bece7629b2407b0c10a071a..dc09797021a6a5fc8eed6da4412164673ab484a1 100755 (executable)
--- 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 &&