git/WI

#!/bin/sh
# Prepare "What's in git.git"

maint_at=$(git rev-parse --verify refs/heads/maint)
master_at=$(git rev-parse --verify refs/heads/master)

log () {
	git shortlog --no-merges "$@" |
	perl -pe '
		if (/^      /) { s//  /; }
		elsif (!/^$/) { s/^/ / }
	'
}

echo "From: Junio C Hamano <junkio@cox.net>"
echo "Subject: What's in git.git (stable)"
echo "X-maint-at: $maint_at"
echo "X-master-at: $master_at"
echo "Content-Type: text/plain; charset=utf-8"
echo "Content-Transfer-Encoding: 8bit"

tagged=`git rev-parse --not --verify tags/sa/maint`
list=`git-rev-list $tagged refs/heads/maint 2>/dev/null`
if test -n "$list"
then
	echo
	echo "* The 'maint' branch has these fixes since the last announcement."
	echo
	log $tagged heads/maint
fi

tagged=`git rev-parse --not --verify tags/sa/master`
list=`git-rev-list $tagged refs/heads/master 2>/dev/null`
if test -n "$list"
then
	echo
	echo "* The 'master' branch has these since the last announcement"
	echo "  in addition to the above."
	echo
	log $tagged heads/master ^heads/maint
fi