test_cmp expect msg
'
+test_expect_success '--amend --edit of empty message' '
+ cat >replace <<-\EOF &&
+ #!/bin/sh
+ echo "amended" >"$1"
+ EOF
+ chmod 755 replace &&
+ git commit --allow-empty --allow-empty-message -m "" &&
+ echo more bongo >file &&
+ git add file &&
+ EDITOR=./replace git commit --edit --amend &&
+ git diff-tree -s --format=%s HEAD >msg &&
+ ./replace expect &&
+ test_cmp expect msg
+'
+
test_expect_success '-m --edit' '
echo amended >expect &&
git commit --allow-empty -m buffer &&
test_i18ngrep " changed, 5 insertions" output
'
+test_expect_success '--only works on to-be-born branch' '
+ # This test relies on having something in the index, as it
+ # would not otherwise actually prove much. So check this.
+ test -n "$(git ls-files)" &&
+ git checkout --orphan orphan &&
+ echo foo >newfile &&
+ git add newfile &&
+ git commit --only newfile -m"--only on unborn branch" &&
+ echo newfile >expected &&
+ git ls-tree -r --name-only HEAD >actual &&
+ test_cmp expected actual
+'
+
test_done