diff_cmd () {

"$merge_tool_path" "$LOCAL" "$REMOTE" | cat

}

merge_cmd () {

touch "$BACKUP"

if $base_present

then

"$merge_tool_path" \

"$LOCAL" "$MERGED" "$REMOTE" \

"$BASE" | cat

else

"$merge_tool_path" \

"$LOCAL" "$MERGED" "$REMOTE" | cat

fi

check_unchanged

}