test_cmp expect msg
'
+test_expect_success '--amend to set message to empty' '
+ echo bata >file &&
+ git add file &&
+ git commit -m "unamended" &&
+ git commit --amend --allow-empty-message -m "" &&
+ git diff-tree -s --format=%s HEAD >msg &&
+ echo "" >expect &&
+ test_cmp expect msg
+'
+
+test_expect_success '--amend to set empty message needs --allow-empty-message' '
+ echo conga >file &&
+ git add file &&
+ git commit -m "unamended" &&
+ test_must_fail git commit --amend -m "" &&
+ git diff-tree -s --format=%s HEAD >msg &&
+ echo "unamended" >expect &&
+ test_cmp expect msg
+'
+
test_expect_success '-m --edit' '
echo amended >expect &&
git commit --allow-empty -m buffer &&
test_cmp expected actual
'
+test_expect_success '--dry-run with conflicts fixed from a merge' '
+ # setup two branches with conflicting information
+ # in the same file, resolve the conflict,
+ # call commit with --dry-run
+ echo "Initial contents, unimportant" >test-file &&
+ git add test-file &&
+ git commit -m "Initial commit" &&
+ echo "commit-1-state" >test-file &&
+ git commit -m "commit 1" -i test-file &&
+ git tag commit-1 &&
+ git checkout -b branch-2 HEAD^1 &&
+ echo "commit-2-state" >test-file &&
+ git commit -m "commit 2" -i test-file &&
+ ! $(git merge --no-commit commit-1) &&
+ echo "commit-2-state" >test-file &&
+ git add test-file &&
+ git commit --dry-run &&
+ git commit -m "conflicts fixed from merge."
+'
+
test_done