Git Contributor Rank

git-rank.sh

# Contributor Ranking
#
# Author: Tom Cammann
#

function contrib_list {
    # Find all email address names used to commit
    authors=$( git log --format='%aE' | cut -d"@" -f1 | sort -u )
    # For each commit match no binary files that have changed and capture the number
    # Only match java files
    for i in ${authors}; do
        echo "$i" $(git log --author="$i" --no-merges --stat | awk 'BEGIN{ FS="|"} /.*\.java/{match($2, /^ *([0-9]+)/,a); x += a[1] } END { print x }')
    done
}

# Create a mapping from username to commit lines
# Add differnt cases of names together.
n=1
for i in $(contrib_list |  awk '
BEGIN{ FS=" " }
{a[tolower($1)] += $2 }
END{
for( name in a )
    print name "=" a[name]
}' | sort -t"=" -k2 -rn); do
x=$( echo $i | tr "=" " ")
echo "${n}. $x"
(( n++ ))
done