test_cmp expected actual
'
+test_expect_success 'setup a fake editor' '
+ write_script fakeeditor <<-\EOF
+ sed -e "s/A U Thor/A fake Thor/" "$1" >"$1.new"
+ mv "$1.new" "$1"
+ EOF
+'
+
+test_expect_success '--edit with and without already replaced object' '
+ test_must_fail env GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" &&
+ GIT_EDITOR=./fakeeditor git replace --force --edit "$PARA3" &&
+ git replace -l | grep "$PARA3" &&
+ git cat-file commit "$PARA3" | grep "A fake Thor" &&
+ git replace -d "$PARA3" &&
+ GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" &&
+ git replace -l | grep "$PARA3" &&
+ git cat-file commit "$PARA3" | grep "A fake Thor"
+'
+
+test_expect_success '--edit and change nothing or command failed' '
+ git replace -d "$PARA3" &&
+ test_must_fail env GIT_EDITOR=true git replace --edit "$PARA3" &&
+ test_must_fail env GIT_EDITOR="./fakeeditor;false" git replace --edit "$PARA3" &&
+ GIT_EDITOR=./fakeeditor git replace --edit "$PARA3" &&
+ git replace -l | grep "$PARA3" &&
+ git cat-file commit "$PARA3" | grep "A fake Thor"
+'
+
test_expect_success 'replace ref cleanup' '
test -n "$(git replace)" &&
git replace -d $(git replace) &&