#!/bin/sh

commit=""
test $# -ne 0 && commit=$@
project=${PWD##*/}

commit_count=`git log --oneline $commit | wc -l | tr -d ' '`
file_count=`git ls-files | wc -l | tr -d ' '`
authors=`git shortlog -n -s $commit | awk '
  { args[NR] = $0; sum += $0 }
  END {
    for (i = 1; i <= NR; ++i) {
      printf "%-30s %2.1f%%\n", args[i], 100 * args[i] / sum
    }
  }'`

echo
echo " project: $project"
echo " commits: $commit_count"
if test "$commit" = ""; then
  echo " files  : $file_count"
fi
echo " authors: "
echo "$authors"
echo