Sync with Git 2.20.1

diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index b5677d26a4268505139ec6cb7d65fe35db7debbe..e20e8fa8301607b94cff7c42e83545f072d5191f 100755 (executable)
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -101,6 +101,41 @@ test_expect_success 'HEAD link pointing at a funny place' '
        grep "HEAD points to something strange" out
 '
 
+test_expect_success 'HEAD link pointing at a funny object (from different wt)' '
+       test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+       test_when_finished "rm -rf .git/worktrees wt" &&
+       git worktree add wt &&
+       mv .git/HEAD .git/SAVED_HEAD &&
+       echo $ZERO_OID >.git/HEAD &&
+       # avoid corrupt/broken HEAD from interfering with repo discovery
+       test_must_fail git -C wt fsck 2>out &&
+       grep "main-worktree/HEAD: detached HEAD points" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at a funny object' '
+       test_when_finished "rm -rf .git/worktrees other" &&
+       git worktree add other &&
+       echo $ZERO_OID >.git/worktrees/other/HEAD &&
+       test_must_fail git fsck 2>out &&
+       grep "worktrees/other/HEAD: detached HEAD points" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at missing object' '
+       test_when_finished "rm -rf .git/worktrees other" &&
+       git worktree add other &&
+       echo "Contents missing from repo" | git hash-object --stdin >.git/worktrees/other/HEAD &&
+       test_must_fail git fsck 2>out &&
+       grep "worktrees/other/HEAD: invalid sha1 pointer" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at a funny place' '
+       test_when_finished "rm -rf .git/worktrees other" &&
+       git worktree add other &&
+       echo "ref: refs/funny/place" >.git/worktrees/other/HEAD &&
+       test_must_fail git fsck 2>out &&
+       grep "worktrees/other/HEAD points to something strange" out
+'
+
 test_expect_success 'email without @ is okay' '
        git cat-file commit HEAD >basis &&
        sed "s/@/AT/" basis >okay &&