gistfile1.txt

#!/bin/bash
echo "Number of commits per author:"
git --no-pager shortlog -sn --all
AUTHORS=$( git shortlog -sn --all | cut -f2 | cut -f1 -d' ')
OVERALL_ADDED=0
OVERALL_DELETED=0
OVERALL_CHANGED=0
for a in $AUTHORS
do
    echo "Statistics for: $a"
    echo '--------------------------------------------'
    echo -n "Number of files changed: "
    CHANGED=`git log $LOGOPTS --all --numstat --format="%n" --author=$a | grep -v "mobileexp" | cut -f3 | sort -iu | wc -l`
    echo $CHANGED
    echo -n "Number of lines added: "
    ADDED=`git log $LOGOPTS --all --numstat --format="%n" --author=$a | grep -v "mobileexp" | cut -f1 | awk '{s+=$1} END {print s}'`
    echo $ADDED
    echo -n "Number of lines deleted: "
    DELETED=`git log $LOGOPTS --all --numstat --format="%n" --author=$a | grep -v "mobilexp" | cut -f2 | awk '{s+=$1} END {print s}'`
    echo $DELETED
    echo -n "Number of merges: "
    MERGES=`git log $LOGOPTS --all --merges --author=$a | grep -v "mobilexp" | grep -c '^commit'`
    echo $MERGES
    echo -n "Coolfactor (the lower, the better): "
    echo $[$[$ADDED-$DELETED]/$[$[$CHANGED]]]
    echo '--------------------------------------------'
    OVERALL_CHANGED=$[$CHANGED + $OVERALL_CHANGED]
    OVERALL_DELETED=$[$DELETED + $OVERALL_DELETED]
    OVERALL_ADDED=$[$ADDED + $OVERALL_ADDED]
done

echo '========================================================================'
echo "Overall stats:"
echo added $OVERALL_ADDED
echo deleted $OVERALL_DELETED
echo changed $OVERALL_CHANGED
echo '========================================================================'
echo -n "Is project mature? "

OVERALL_COOLNESS=$[$[$OVERALL_ADDED-$OVERALL_DELETED]/$OVERALL_CHANGED]
if [ $OVERALL_COOLNESS -le 0 ]; then
    echo "FUCK YES"
else
    echo '
 __________
< no, sorry >
 -----------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
   '
fi