get_ref_dir(): take the containing directory as argument

diff --git a/t/t3411-rebase-preserve-around-merges.sh b/t/t3411-rebase-preserve-around-merges.sh
index 6533505218a51db369d03357603c2ad1926ce448..ace8e54e9b374688751cc470eeb9003ca7f5c48f 100755 (executable)
--- a/t/t3411-rebase-preserve-around-merges.sh
+++ b/t/t3411-rebase-preserve-around-merges.sh
@@ -10,7 +10,7 @@ a merge to before the merge.
 '
 . ./test-lib.sh
 
-. ../lib-rebase.sh
+. "$TEST_DIRECTORY"/lib-rebase.sh
 
 set_fake_editor
 
@@ -37,7 +37,7 @@ test_expect_success 'setup' '
 #        -- C1 --
 #
 test_expect_success 'squash F1 into D1' '
-       FAKE_LINES="1 squash 3 2" git rebase -i -p B1 &&
+       FAKE_LINES="1 squash 4 2 3" git rebase -i -p B1 &&
        test "$(git rev-parse HEAD^2)" = "$(git rev-parse C1)" &&
        test "$(git rev-parse HEAD~2)" = "$(git rev-parse B1)" &&
        git tag E2