#!/bin/sh
# Sum up the git changes and print in a pretty way
git diff --numstat "$@" | awk '
BEGIN {
    ADD = "\033[31;1m"
    DEL = "\033[32;1m"
    CHANGE = "\033[33;1m"
    NORM = "\033[0m"
}

{
    adds += $1;
    dels += $2;
    print(CHANGE "~" ($1 + $2) "\t" ($1 > $2 ? ADD"+" : DEL) ($1-$2) NORM "\t" $3)
}

END {
    print("[", CHANGE NR " files changed" NORM, "|",
          DEL dels " deletions" NORM, "|",
          ADD adds " insertions" NORM, "|",
          (adds > dels ? ADD"+" : DEL) (adds-dels) " net", NORM "]")
}'