submodule.c: report the submodule that an error occurs in

diff --git a/t/t2025-worktree-add.sh b/t/t2025-worktree-add.sh
index 6ce9b9c070fe16544ee4f85b22e9399ca283a34a..2b959449730e14dd4e650ce9115a463d71eedca4 100755 (executable)
--- a/t/t2025-worktree-add.sh
+++ b/t/t2025-worktree-add.sh
@@ -245,6 +245,12 @@ test_expect_success 'local clone from linked checkout' '
        ( cd here-clone && git fsck )
 '
 
+test_expect_success 'local clone --shared from linked checkout' '
+       git -C bare worktree add --detach ../baretree &&
+       git clone --local --shared baretree bare-clone &&
+       grep /bare/ bare-clone/.git/objects/info/alternates
+'
+
 test_expect_success '"add" worktree with --no-checkout' '
        git worktree add --no-checkout -b swamp swamp &&
        ! test -e swamp/init.t &&
@@ -444,4 +450,33 @@ test_expect_success 'git worktree --no-guess-remote option overrides config' '
        )
 '
 
+post_checkout_hook () {
+       test_when_finished "rm -f .git/hooks/post-checkout" &&
+       mkdir -p .git/hooks &&
+       write_script .git/hooks/post-checkout <<-\EOF
+       echo $* >hook.actual
+       EOF
+}
+
+test_expect_success '"add" invokes post-checkout hook (branch)' '
+       post_checkout_hook &&
+       printf "%s %s 1\n" $_z40 $(git rev-parse HEAD) >hook.expect &&
+       git worktree add gumby &&
+       test_cmp hook.expect hook.actual
+'
+
+test_expect_success '"add" invokes post-checkout hook (detached)' '
+       post_checkout_hook &&
+       printf "%s %s 1\n" $_z40 $(git rev-parse HEAD) >hook.expect &&
+       git worktree add --detach grumpy &&
+       test_cmp hook.expect hook.actual
+'
+
+test_expect_success '"add --no-checkout" suppresses post-checkout hook' '
+       post_checkout_hook &&
+       rm -f hook.actual &&
+       git worktree add --no-checkout gloopy &&
+       test_path_is_missing hook.actual
+'
+
 test_done