built-in rebase --autostash: leave the current branch alone if possible

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 01616901bdc868619fee8e28dce14649bd2661db..a147e2f1d4913ff307c02bc533c54d7672c6a310 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -75,6 +75,16 @@ test_expect_success 'rebase --keep-empty' '
        test_line_count = 6 actual
 '
 
+cat > expect <<EOF
+error: nothing to do
+EOF
+
+test_expect_success 'rebase -i with empty HEAD' '
+       set_fake_editor &&
+       test_must_fail env FAKE_LINES="1 exec_true" git rebase -i HEAD^ >actual 2>&1 &&
+       test_i18ncmp expect actual
+'
+
 test_expect_success 'rebase -i with the exec command' '
        git checkout master &&
        (
@@ -119,6 +129,15 @@ test_expect_success 'rebase -i with exec allows git commands in subdirs' '
        )
 '
 
+test_expect_success 'rebase -i sets work tree properly' '
+       test_when_finished "rm -rf subdir" &&
+       test_when_finished "test_might_fail git rebase --abort" &&
+       mkdir subdir &&
+       git rebase -x "(cd subdir && git rev-parse --show-toplevel)" HEAD^ \
+               >actual &&
+       ! grep "/subdir$" actual
+'
+
 test_expect_success 'rebase -i with the exec command checks tree cleanness' '
        git checkout master &&
        set_fake_editor &&
@@ -516,7 +535,7 @@ test_expect_success 'interrupted squash works as expected' '
        one=$(git rev-parse HEAD~3) &&
        set_fake_editor &&
        test_must_fail env FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
-       (echo one; echo two; echo four) > conflict &&
+       test_write_lines one two four > conflict &&
        git add conflict &&
        test_must_fail git rebase --continue &&
        echo resolved > conflict &&
@@ -530,10 +549,10 @@ test_expect_success 'interrupted squash works as expected (case 2)' '
        one=$(git rev-parse HEAD~3) &&
        set_fake_editor &&
        test_must_fail env FAKE_LINES="3 squash 1 2" git rebase -i HEAD~3 &&
-       (echo one; echo four) > conflict &&
+       test_write_lines one four > conflict &&
        git add conflict &&
        test_must_fail git rebase --continue &&
-       (echo one; echo two; echo four) > conflict &&
+       test_write_lines one two four > conflict &&
        git add conflict &&
        test_must_fail git rebase --continue &&
        echo resolved > conflict &&