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-rwxr-xr-xt/t3424-rebase-empty.sh134
1 files changed, 134 insertions, 0 deletions
diff --git a/t/t3424-rebase-empty.sh b/t/t3424-rebase-empty.sh
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+++ b/t/t3424-rebase-empty.sh
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+#!/bin/sh
+
+test_description='git rebase of commits that start or become empty'
+
+. ./test-lib.sh
+
+test_expect_success 'setup test repository' '
+ test_write_lines 1 2 3 4 5 6 7 8 9 10 >numbers &&
+ test_write_lines A B C D E F G H I J >letters &&
+ git add numbers letters &&
+ git commit -m A &&
+
+ git branch upstream &&
+ git branch localmods &&
+
+ git checkout upstream &&
+ test_write_lines A B C D E >letters &&
+ git add letters &&
+ git commit -m B &&
+
+ test_write_lines 1 2 3 4 five 6 7 8 9 ten >numbers &&
+ git add numbers &&
+ git commit -m C &&
+
+ git checkout localmods &&
+ test_write_lines 1 2 3 4 five 6 7 8 9 10 >numbers &&
+ git add numbers &&
+ git commit -m C2 &&
+
+ git commit --allow-empty -m D &&
+
+ test_write_lines A B C D E >letters &&
+ git add letters &&
+ git commit -m "Five letters ought to be enough for anybody"
+'
+
+test_expect_failure 'rebase (apply-backend)' '
+ test_when_finished "git rebase --abort" &&
+ git checkout -B testing localmods &&
+ # rebase (--apply) should not drop commits that start empty
+ git rebase --apply upstream &&
+
+ test_write_lines D C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --merge --empty=drop' '
+ git checkout -B testing localmods &&
+ git rebase --merge --empty=drop upstream &&
+
+ test_write_lines D C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --merge uses default of --empty=drop' '
+ git checkout -B testing localmods &&
+ git rebase --merge upstream &&
+
+ test_write_lines D C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --merge --empty=keep' '
+ git checkout -B testing localmods &&
+ git rebase --merge --empty=keep upstream &&
+
+ test_write_lines D C2 C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --merge --empty=ask' '
+ git checkout -B testing localmods &&
+ test_must_fail git rebase --merge --empty=ask upstream &&
+
+ git rebase --skip &&
+
+ test_write_lines D C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --interactive --empty=drop' '
+ git checkout -B testing localmods &&
+ git rebase --interactive --empty=drop upstream &&
+
+ test_write_lines D C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --interactive --empty=keep' '
+ git checkout -B testing localmods &&
+ git rebase --interactive --empty=keep upstream &&
+
+ test_write_lines D C2 C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --interactive --empty=ask' '
+ git checkout -B testing localmods &&
+ test_must_fail git rebase --interactive --empty=ask upstream &&
+
+ git rebase --skip &&
+
+ test_write_lines D C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --interactive uses default of --empty=ask' '
+ git checkout -B testing localmods &&
+ test_must_fail git rebase --interactive upstream &&
+
+ git rebase --skip &&
+
+ test_write_lines D C B A >expect &&
+ git log --format=%s >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase --merge does not leave state laying around' '
+ git checkout -B testing localmods~2 &&
+ git rebase --merge upstream &&
+
+ test_path_is_missing .git/CHERRY_PICK_HEAD &&
+ test_path_is_missing .git/MERGE_MSG
+'
+
+test_done