t/Makefile: add machinery to check correctness of chainlint.sed

diff --git a/t/t3418-rebase-continue.sh b/t/t3418-rebase-continue.sh
index 9214d0bb511e24f401188790858dc1e0ca1b92fd..853e015839fce0cb2cb50eb6b08aef0dcb24adb3 100755 (executable)
--- a/t/t3418-rebase-continue.sh
+++ b/t/t3418-rebase-continue.sh
@@ -60,7 +60,7 @@ test_expect_success 'rebase --continue remembers merge strategy and options' '
        EOF
        chmod +x test-bin/git-merge-funny &&
        (
-               PATH=./test-bin:$PATH
+               PATH=./test-bin:$PATH &&
                test_must_fail git rebase -s funny -Xopt master topic
        ) &&
        test -f funny.was.run &&
@@ -68,7 +68,7 @@ test_expect_success 'rebase --continue remembers merge strategy and options' '
        echo "Resolved" >F2 &&
        git add F2 &&
        (
-               PATH=./test-bin:$PATH
+               PATH=./test-bin:$PATH &&
                git rebase --continue
        ) &&
        test -f funny.was.run
@@ -88,6 +88,55 @@ test_expect_success 'rebase passes merge strategy options correctly' '
        git rebase --continue
 '
 
+test_expect_success '--skip after failed fixup cleans commit message' '
+       test_when_finished "test_might_fail git rebase --abort" &&
+       git checkout -b with-conflicting-fixup &&
+       test_commit wants-fixup &&
+       test_commit "fixup! wants-fixup" wants-fixup.t 1 wants-fixup-1 &&
+       test_commit "fixup! wants-fixup" wants-fixup.t 2 wants-fixup-2 &&
+       test_commit "fixup! wants-fixup" wants-fixup.t 3 wants-fixup-3 &&
+       test_must_fail env FAKE_LINES="1 fixup 2 squash 4" \
+               git rebase -i HEAD~4 &&
+
+       : now there is a conflict, and comments in the commit message &&
+       git show HEAD >out &&
+       grep "fixup! wants-fixup" out &&
+
+       : skip and continue &&
+       echo "cp \"\$1\" .git/copy.txt" | write_script copy-editor.sh &&
+       (test_set_editor "$PWD/copy-editor.sh" && git rebase --skip) &&
+
+       : the user should not have had to edit the commit message &&
+       test_path_is_missing .git/copy.txt &&
+
+       : now the comments in the commit message should have been cleaned up &&
+       git show HEAD >out &&
+       ! grep "fixup! wants-fixup" out &&
+
+       : now, let us ensure that "squash" is handled correctly &&
+       git reset --hard wants-fixup-3 &&
+       test_must_fail env FAKE_LINES="1 squash 4 squash 2 squash 4" \
+               git rebase -i HEAD~4 &&
+
+       : the first squash failed, but there are two more in the chain &&
+       (test_set_editor "$PWD/copy-editor.sh" &&
+        test_must_fail git rebase --skip) &&
+
+       : not the final squash, no need to edit the commit message &&
+       test_path_is_missing .git/copy.txt &&
+
+       : The first squash was skipped, therefore: &&
+       git show HEAD >out &&
+       test_i18ngrep "# This is a combination of 2 commits" out &&
+
+       (test_set_editor "$PWD/copy-editor.sh" && git rebase --skip) &&
+       git show HEAD >out &&
+       test_i18ngrep ! "# This is a combination" out &&
+
+       : Final squash failed, but there was still a squash &&
+       test_i18ngrep "# This is a combination of 2 commits" .git/copy.txt
+'
+
 test_expect_success 'setup rerere database' '
        rm -fr .git/rebase-* &&
        git reset --hard commit-new-file-F3-on-topic-branch &&