send-email: fix non-threaded mails

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 3592403af7fd9eef81cfab44944ab2e1464b08ef..c32ff6682b932b3d9b270de7260a2671d8d07403 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -433,4 +433,41 @@ test_expect_success 'do "noop" when there is nothing to cherry-pick' '
 
 '
 
+test_expect_success 'submodule rebase setup' '
+       git checkout A &&
+       mkdir sub &&
+       (
+               cd sub && git init && >elif &&
+               git add elif && git commit -m "submodule initial"
+       ) &&
+       echo 1 >file1 &&
+       git add file1 sub
+       test_tick &&
+       git commit -m "One" &&
+       echo 2 >file1 &&
+       test_tick &&
+       git commit -a -m "Two" &&
+       (
+               cd sub && echo 3 >elif &&
+               git commit -a -m "submodule second"
+       ) &&
+       test_tick &&
+       git commit -a -m "Three changes submodule"
+'
+
+test_expect_success 'submodule rebase -i' '
+       FAKE_LINES="1 squash 2 3" git rebase -i A
+'
+
+test_expect_success 'avoid unnecessary reset' '
+       git checkout master &&
+       test-chmtime =123456789 file3 &&
+       git update-index --refresh &&
+       HEAD=$(git rev-parse HEAD) &&
+       git rebase -i HEAD~4 &&
+       test $HEAD = $(git rev-parse HEAD) &&
+       MTIME=$(test-chmtime -v +0 file3 | sed 's/[^0-9].*$//') &&
+       test 123456789 = $MTIME
+'
+
 test_done