guilt-guard

#!/bin/sh
#
# Copyright (c) Eric Lesh, 2007
#

USAGE="[-l | --list | -n | --none | [<patchname>] [(+|-)<guard>...]]"
if [ -z "$GUILT_VERSION" ]; then
	echo "Invoking `basename "$0"` directly is no longer supported." >&2
	exit 1
fi

print_guards()
{
	guards=`get_guards "$1"`
	echo "$1: $guards"
}

_main() {

if [ "$1" = "-l" -o "$1" = "--list" ]; then
	get_full_series | while read patch; do
		print_guards "$patch"
	done
	exit 0
elif [ "$1" = "-n" -o "$1" = "--none" ]; then
	patch="$2"
	if [ -z "$patch" ]; then
		patch=`get_top`
	fi
	unset_guards "$patch" `get_guards "$patch"`
	exit 0
fi

case $# in
	0)
		if [ ! -s "$applied" ]; then
			die "No patches applied."
		fi
		print_guards `get_top`
		;;
	1)
		if [ -z $(printf %s "$1" | grep -e '^[+-]') ]; then
			if [ -z $(get_full_series | grep -e "^$1\$") ]; then
				die "Patch $1 does not exist."
			else
				print_guards "$1"
			fi
		else
			patch=`get_top`
			if [ -z "$patch" ]; then
				die "You must specify a patch."
			fi
			unset_guards "$patch" `get_guards "$patch"`
			set_guards "$patch" "$1"
		fi
		;;
	*)
		if [ -z $(printf %s "$1" | grep -e '^[+-]') ]; then
			if [ -z $(get_full_series | grep -e "^$1\$") ]; then
				die "Patch $1 does not exist."
			else
				patch="$1"
			fi
			shift
		else
			patch=`get_top`
			if [ -z "$patch" ]; then
				die "You must specify a patch."
			fi
		fi
		unset_guards "$patch" `get_guards "$patch"`
		set_guards "$patch" "$@"
		;;
esac

}