#!/bin/bash

TOTALS=`git log --shortstat --author=$author | grep -E "fil(e|es) changed" | awk '{files+=$1; inserted+=$4; deleted+=$6} END {print files, " ", inserted, " ", deleted }'`

TOTAL_INSERTS=`echo $TOTALS | cut -d' ' -f2`
TOTAL_DELETES=`echo $TOTALS | cut -d' ' -f3`

TOTAL_TOTAL=$(( $TOTAL_INSERTS + $TOTAL_DELETES ))


IFS="
"

for author in `git log --format='%aN' | sort -u`; do
	echo $author":"
	USER=`git log --shortstat --author=$author | grep -E "fil(e|es) changed" | awk '{files+=$1; inserted+=$4; deleted+=$6} END {print files, " ", inserted, " ", deleted }'`
	IFS=" "
	USER_INSERTS=`echo $USER | cut -d' ' -f2`
	USER_DELETES=`echo $USER | cut -d' ' -f3`
	USER_TOTAL=`bc <<< "$USER_INSERTS + $USER_DELETES"`

	PERC_INSERTS=`bc <<< $USER_INSERTS"* 100 /"$TOTAL_INSERTS`
	PERC_DELETES=`bc <<< $USER_DELETES"* 100 /"$TOTAL_DELETES`
	PERC_TOTAL=`bc <<< $USER_TOTAL"* 100 /"$TOTAL_TOTAL`

	echo "	TOTAL: $USER_TOTAL ($PERC_TOTAL%)"
	echo "	INSERTS: $USER_INSERTS ($PERC_INSERTS%)"
	echo "	DELETES: $USER_DELETES ($PERC_DELETES%)"

	IFS="
	"
done