patches-by-author-since-45.sh

#!/bin/bash

AUTHOR="$1"

MKTEMP=$(which mktemp)
if [[ -n $MKTEMP ]]; then
  TEMP1=$($MKTEMP)
  TEMP2=$($MKTEMP)
else
  TEMP1="/tmp/$(basename $0).$$.tmp"
  TEMP2="/tmp/$(basename $0).$$.2.tmp"
fi
git log --author="$AUTHOR" --since="2011-01-26" --pretty="%h" > $TEMP1

PATCHES=$(wc -l < $TEMP1)

while read PATCH; do git log --stat $PATCH^1..$PATCH | tail -n 1; done < $TEMP1 > $TEMP2

INSERTS=`cat $TEMP2 | awk  '{s+=$4} END {print s}'`
DELETES=`cat $TEMP2 | awk  '{s+=$6} END {print s}'`

echo "$AUTHOR had $PATCHES patches merged since 4.5.0 release with $INSERTS inserted lines and $DELETES lines deleted."

rm -f $TEMP1 $TEMP2