1diff_cmd () {2"$merge_tool_path" --default --mode=diff2 "$LOCAL" "$REMOTE"3}45merge_cmd () {6touch "$BACKUP"7if $base_present8then9"$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" \10--default --mode=merge3 --to="$MERGED"11else12"$merge_tool_path" "$LOCAL" "$REMOTE" \13--default --mode=merge2 --to="$MERGED"14fi15check_unchanged16}