script for pushing and popping CLs

clpush

#!/bin/sh

set -e
root=$(hg root)
if [ $# = 0 ]; then
	for i in $(ls $root/.hg/codereview/cl.* 2>/dev/null)
	do
		n=$(echo $i | sed 's/.*cl.//')
		desc=$(sed -n '/^Description:/,$p' $i | sed -n 2p)
		echo +$n'	'$desc
	done
	for i in $(ls $root/.hg/codereview/clpush.* 2>/dev/null)
	do
		n=$(echo $i | sed 's/.*clpush.//')
		desc=$(sed -n '/^Description:/,$p' $i | sed -n 2p)
		echo -$n'	'$desc
	done
	exit 0
fi

for i
do
	case "$i" in
	-*)
		n=$(echo $i | sed 's/^-//')
		if [ ! -f $root/.hg/codereview/cl.$n ]; then
			echo '$n: cl not active' 1>&2
			exit 2
		fi
		newfiles=$(hg status -n -a @$n)
		cp $root/.hg/codereview/cl.$n $root/.hg/codereview/clpush.$n
		hg diff --git @$n >$root/.hg/codereview/cldiff.$n
		hg revert @$n
		if [ "$newfiles" != "" ]; then
			rm -f $newfiles
		fi
		rm $root/.hg/codereview/cl.$n
		;;
	+*)
		n=$(echo $i | sed 's/^+//')
		if [ ! -f $root/.hg/codereview/clpush.$n -o ! -f $root/.hg/codereview/cldiff.$n ]; then
			echo '$n: cl not pushed' 1>&2
			exit 2
		fi
		hg patch -f --no-commit $root/.hg/codereview/cldiff.$n
		mv $root/.hg/codereview/clpush.$n $root/.hg/codereview/cl.$n
		rm $root/.hg/codereview/cldiff.$n
		;;
	*)
		echo 'unknown operation:' "$i" 1>&2
		exit 2
	esac
done