fmt-merge-msg: refactor merge title formatting

diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh
index e43b5d64de3d06f96063f61d4907a8a95ed1c23b..524f5ea8ab14bb44e5a8e6393e40c0ec5c1ddaa2 100755 (executable)
--- a/git-difftool--helper.sh
+++ b/git-difftool--helper.sh
@@ -11,7 +11,8 @@ TOOL_MODE=diff
 # difftool.prompt controls the default prompt/no-prompt behavior
 # and is overridden with $GIT_DIFFTOOL*_PROMPT.
 should_prompt () {
-       prompt=$(git config --bool difftool.prompt || echo true)
+       prompt_merge=$(git config --bool mergetool.prompt || echo true)
+       prompt=$(git config --bool difftool.prompt || echo $prompt_merge)
        if test "$prompt" = true; then
                test -z "$GIT_DIFFTOOL_NO_PROMPT"
        else