1diff_cmd () {2"$merge_tool_path" mergetool "$LOCAL" "$REMOTE" -o "$MERGED"3}45merge_cmd () {6if $base_present7then8"$merge_tool_path" mergetool "$BASE" "$LOCAL" "$REMOTE" -o "$MERGED"9else10"$merge_tool_path" mergetool "$LOCAL" "$REMOTE" -o "$MERGED"11fi12}