range-diff: allow to diff files regardless of submodule config

diff --git a/t/t0090-cache-tree.sh b/t/t0090-cache-tree.sh
index 9e88a56d619ca33a24089ec1208e6726d76f6256..504334e552251ed0c1f74536f6fd09ffccda615d 100755 (executable)
--- a/t/t0090-cache-tree.sh
+++ b/t/t0090-cache-tree.sh
@@ -156,11 +156,29 @@ test_expect_success PERL 'commit --interactive gives cache-tree on partial commi
                return 44;
        }
        EOT
-       (echo p; echo 1; echo; echo s; echo n; echo y; echo q) |
+       test_write_lines p 1 "" s n y q |
        git commit --interactive -m foo &&
        test_cache_tree
 '
 
+test_expect_success PERL 'commit -p with shrinking cache-tree' '
+       mkdir -p deep/subdir &&
+       echo content >deep/subdir/file &&
+       git add deep &&
+       git commit -m add &&
+       git rm -r deep &&
+
+       before=$(wc -c <.git/index) &&
+       git commit -m delete -p &&
+       after=$(wc -c <.git/index) &&
+
+       # double check that the index shrank
+       test $before -gt $after &&
+
+       # and that our index was not corrupted
+       git fsck
+'
+
 test_expect_success 'commit in child dir has cache-tree' '
        mkdir dir &&
        >dir/child.t &&
@@ -243,13 +261,16 @@ test_expect_success 'no phantom error when switching trees' '
 '
 
 test_expect_success 'switching trees does not invalidate shared index' '
-       git update-index --split-index &&
-       >split &&
-       git add split &&
-       test-tool dump-split-index .git/index | grep -v ^own >before &&
-       git commit -m "as-is" &&
-       test-tool dump-split-index .git/index | grep -v ^own >after &&
-       test_cmp before after
+       (
+               sane_unset GIT_TEST_SPLIT_INDEX &&
+               git update-index --split-index &&
+               >split &&
+               git add split &&
+               test-tool dump-split-index .git/index | grep -v ^own >before &&
+               git commit -m "as-is" &&
+               test-tool dump-split-index .git/index | grep -v ^own >after &&
+               test_cmp before after
+       )
 '
 
 test_done