#!/bin/bash
#
#
# Checks $GIT_DIR/locked and $GIT_DIR/preserved for branches that cannot be
# changed or deleted, respectively.
#

. $(dirname $0)/functions

refname=$1
oldrev=$2
newrev=$3

# We only care about branches
case "$refname" in
	refs/heads/*)
		short_refname=${refname##refs/heads/}
		;;
	*)
		exit 0
		;;
esac

if test -f "$GIT_DIR/locked" ; then
	grep $short_refname "$GIT_DIR/locked"
	if [ $? -eq 0 ] ; then
		display_error_message "Branch $short_refname is locked"
		exit 1
	fi
fi

if test -f "$GIT_DIR/preserved" ; then
	grep $short_refname "$GIT_DIR/preserved"
	if [ $? -eq 0 ] ; then
		display_error_message "Branch $short_refname cannot be deleted"
		exit 1
	fi
fi