1 files changed, 114 insertions, 0 deletions
diff --git a/third_party/git/t/t1415-worktree-refs.sh b/third_party/git/t/t1415-worktree-refs.sh
new file mode 100755
index 0000000000..bb2c7572a3
--- /dev/null
+++ b/third_party/git/t/t1415-worktree-refs.sh
@@ -0,0 +1,114 @@
+#!/bin/sh
+
+test_description='per-worktree refs'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	test_commit initial &&
+	test_commit wt1 &&
+	test_commit wt2 &&
+	git worktree add wt1 wt1 &&
+	git worktree add wt2 wt2 &&
+	git checkout initial &&
+	git update-ref refs/worktree/foo HEAD &&
+	git -C wt1 update-ref refs/worktree/foo HEAD &&
+	git -C wt2 update-ref refs/worktree/foo HEAD
+'
+
+test_expect_success 'refs/worktree must not be packed' '
+	git pack-refs --all &&
+	test_path_is_missing .git/refs/tags/wt1 &&
+	test_path_is_file .git/refs/worktree/foo &&
+	test_path_is_file .git/worktrees/wt1/refs/worktree/foo &&
+	test_path_is_file .git/worktrees/wt2/refs/worktree/foo
+'
+
+test_expect_success 'refs/worktree are per-worktree' '
+	test_cmp_rev worktree/foo initial &&
+	( cd wt1 && test_cmp_rev worktree/foo wt1 ) &&
+	( cd wt2 && test_cmp_rev worktree/foo wt2 )
+'
+
+test_expect_success 'resolve main-worktree/HEAD' '
+	test_cmp_rev main-worktree/HEAD initial &&
+	( cd wt1 && test_cmp_rev main-worktree/HEAD initial ) &&
+	( cd wt2 && test_cmp_rev main-worktree/HEAD initial )
+'
+
+test_expect_success 'ambiguous main-worktree/HEAD' '
+	mkdir -p .git/refs/heads/main-worktree &&
+	test_when_finished rm -f .git/refs/heads/main-worktree/HEAD &&
+	cp .git/HEAD .git/refs/heads/main-worktree/HEAD &&
+	git rev-parse main-worktree/HEAD 2>warn &&
+	grep "main-worktree/HEAD.*ambiguous" warn
+'
+
+test_expect_success 'resolve worktrees/xx/HEAD' '
+	test_cmp_rev worktrees/wt1/HEAD wt1 &&
+	( cd wt1 && test_cmp_rev worktrees/wt1/HEAD wt1 ) &&
+	( cd wt2 && test_cmp_rev worktrees/wt1/HEAD wt1 )
+'
+
+test_expect_success 'ambiguous worktrees/xx/HEAD' '
+	mkdir -p .git/refs/heads/worktrees/wt1 &&
+	test_when_finished rm -f .git/refs/heads/worktrees/wt1/HEAD &&
+	cp .git/HEAD .git/refs/heads/worktrees/wt1/HEAD &&
+	git rev-parse worktrees/wt1/HEAD 2>warn &&
+	grep "worktrees/wt1/HEAD.*ambiguous" warn
+'
+
+test_expect_success 'reflog of main-worktree/HEAD' '
+	git reflog HEAD | sed "s/HEAD/main-worktree\/HEAD/" >expected &&
+	git reflog main-worktree/HEAD >actual &&
+	test_cmp expected actual &&
+	git -C wt1 reflog main-worktree/HEAD >actual.wt1 &&
+	test_cmp expected actual.wt1
+'
+
+test_expect_success 'reflog of worktrees/xx/HEAD' '
+	git -C wt2 reflog HEAD | sed "s/HEAD/worktrees\/wt2\/HEAD/" >expected &&
+	git reflog worktrees/wt2/HEAD >actual &&
+	test_cmp expected actual &&
+	git -C wt1 reflog worktrees/wt2/HEAD >actual.wt1 &&
+	test_cmp expected actual.wt1 &&
+	git -C wt2 reflog worktrees/wt2/HEAD >actual.wt2 &&
+	test_cmp expected actual.wt2
+'
+
+test_expect_success 'for-each-ref from main repo' '
+	mkdir fer1 &&
+	git -C fer1 init repo &&
+	test_commit -C fer1/repo initial &&
+	git -C fer1/repo worktree add ../second &&
+	git -C fer1/repo update-ref refs/bisect/main HEAD &&
+	git -C fer1/repo update-ref refs/rewritten/main HEAD &&
+	git -C fer1/repo update-ref refs/worktree/main HEAD &&
+	git -C fer1/repo for-each-ref --format="%(refname)" | grep main >actual &&
+	cat >expected <<-\EOF &&
+	refs/bisect/main
+	refs/rewritten/main
+	refs/worktree/main
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'for-each-ref from linked repo' '
+	mkdir fer2 &&
+	git -C fer2 init repo &&
+	test_commit -C fer2/repo initial &&
+	git -C fer2/repo worktree add ../second &&
+	git -C fer2/second update-ref refs/bisect/second HEAD &&
+	git -C fer2/second update-ref refs/rewritten/second HEAD &&
+	git -C fer2/second update-ref refs/worktree/second HEAD &&
+	git -C fer2/second for-each-ref --format="%(refname)" | grep second >actual &&
+	cat >expected <<-\EOF &&
+	refs/bisect/second
+	refs/heads/second
+	refs/rewritten/second
+	refs/worktree/second
+	EOF
+	test_cmp expected actual
+'
+
+test_done