?,1,"$1",*)
        # If head can reach all the merge then we are up to date.
        # but first the most common case of merging one remote.
-       finish_up_to_date "Already up-to-date."
+       finish_up_to_date "Already up to date."
        exit 0
        ;;
 t,1,"$head",*)
        done
        if test "$up_to_date" = t
        then
-               finish_up_to_date "Already up-to-date. Yeeah!"
+               finish_up_to_date "Already up to date. Yeeah!"
                exit 0
        fi
        ;;
 
        if test "$exit" -eq 1
        then
-           cnt=`{
+           cnt=$({
                git diff-files --name-only
                git ls-files --unmerged
-           } | wc -l`
+           } | wc -l)
            if test $best_cnt -le 0 || test $cnt -le $best_cnt
            then
                best_strategy=$strategy