grep: enable recurse-submodules to work on <tree> objects

diff --git a/t/t0001-init.sh b/t/t0001-init.sh
index 8ffbbea4d65dbd8328563da53ef2959dd39ce796..b8fc588b1922760ade8502fda3dc465f6ebf2887 100755 (executable)
--- a/t/t0001-init.sh
+++ b/t/t0001-init.sh
@@ -393,4 +393,21 @@ test_expect_success 'remote init from does not use config from cwd' '
        test_cmp expect actual
 '
 
+test_expect_success 're-init from a linked worktree' '
+       git init main-worktree &&
+       (
+               cd main-worktree &&
+               test_commit first &&
+               git worktree add ../linked-worktree &&
+               mv .git/info/exclude expected-exclude &&
+               cp .git/config expected-config &&
+               find .git/worktrees -print | sort >expected &&
+               git -C ../linked-worktree init &&
+               test_cmp expected-exclude .git/info/exclude &&
+               test_cmp expected-config .git/config &&
+               find .git/worktrees -print | sort >actual &&
+               test_cmp expected actual
+       )
+'
+
 test_done