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#!/bin/sh
#
# Copyright (c) 2013 Nagios Plugins Development Team
#
# Originally written by Holger Weiss <holger@zedat.fu-berlin.de>.
#
# This file is free software; the Nagios Plugins Development Team gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY, to the extent permitted by law; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

set -e
set -u

export PATH='/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin'

prefix='/home/plugins'
test_directory="$prefix/web/test"

#
# Check whether the "test" branch of the "site.git" repository has been updated.
#
if [ "${PWD##*/}" = 'site.git' ]
then
	forty_zeros=$(printf '%.40d' '0')

	while read old new ref
	do
		if [ "$ref" = 'refs/heads/test' ]
		then
			if [ "$new" != "$forty_zeros" ]
			then
				"$prefix/bin/git-export" -b 'test' "$PWD"
				"$prefix/bin/build-web-site" -t >'/dev/null'
			else
				rm -rf "$prefix/exported/site-test"
				rm -rf "$test_directory"/*
			fi

			# Always put a robots.txt into the $test_directory.
			cat >>"$test_directory/robots.txt" <<-'EOF'
				User-agent: *
				Disallow: /
			EOF
			break
		fi
	done
fi