git-contributed-lines-stats.sh

# change lib/ apps/ to folders you worked in, remove grep php if you work not only with php files
git ls-tree --name-only -r HEAD lib/ apps/ | grep 'php' | xargs -n1 git blame -t -c -e | awk  '{print $2}' | sort | uniq -c

# this will bring you number of lines each author contributed
# example:
#  14262 (<[email protected]>
#    364 (<[email protected]>
#   3483 (<[email protected]>
#  36849 (<[email protected]>
#  48434 (<[email protected]>
#     12 (<user-ThinkCentre-M90p.(none)>