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#!/bin/sh
#
# get-authors
# Morgan Deters <mdeters@cs.nyu.edu> for CVC4
# Copyright (c) 2009-2013 The CVC4 Project
#
# usage: get-authors [ files... ]
#
# This script uses git to get the original author
#
gituser="`git config user.name` <`git config user.email`>"
if [ "$1" = "--email" ]; then
strip_email=cat
shift
else
strip_email="sed 's, *<[^>]*@[^>]*>,,g'"
fi
while [ $# -gt 0 ]; do
f=$1
shift
original_author=
major_contributors=
minor_contributors=
total_lines=`wc -l "$f" | awk '{print$1}'`
original_author=`git log --use-mailmap --pretty="format:%aN <%aE>" "$f" | tail -1`
git blame --incremental "$f" | gawk '/^[0-9a-f]+ [0-9]+ [0-9]+ [0-9]+$/ {nl=$4;} /^author / {$1=""; author=$0;} /^author-mail / {mail=$2} /^filename / {while(nl--) {print author,mail}}' | sed "s,Not Committed Yet <not.committed.yet>,$gituser," | sort | uniq -c | sort -n |
( while read lines author; do
pct=$((100*$lines/$total_lines))
if [ "$author" != "$original_author" ]; then
if [ $pct -ge 10 ]; then
major_contributors="${major_contributors:+$major_contributors, }$author"
else
minor_contributors="${minor_contributors:+$minor_contributors, }$author"
fi
fi
done; \
echo "$original_author"
echo "${major_contributors:-none}"
echo "${minor_contributors:-none}" ) | eval "$strip_email"
done
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