#!/bin/bash

# reposado_auto_munkiimport_aswupd_configdata_items
#
# automatically create apple_update_metadata pkginfo files for Munki: XProtectPlistConfigData, Gatekeeper Configuration Data
#

# path to your Munki repo (local or mounted share)
munkiRepoDir="/Users/Shared/munki/repo"

# path to pkgsinfo in Munki repo
munkiPkgsInfoDir="${munkiRepoDir}/pkgsinfo"

# path to Apple Software Updates metadata directory in Munki repo, it is cleaner to separate them from other updates
munki_ASWUPD_META_Dir="${munkiPkgsInfoDir}/ASWUPD_META"

# path to your executable repoutil command
repoUtilCmd="/path/to/your/reposado/code/repoutil"

# file owner and group, needed if this script is run as root
fileOwner=jenkins
fileGroup=munki

###
# functions

function logTyper () {
	timeStamp=$(date '+%h %d %T')
	echo "${timeStamp}: ${1}"
}

###
# actions

if [ ! -d "${munki_ASWUPD_META_Dir}" ]; then
	logTyper "Munki directory '${munki_ASWUPD_META_Dir}' is not available"
	exit 1
fi

if ! [ -x "${repoUtilCmd}" ]; then
	logTyper "'${repoUtilCmd}' not found"
	exit 1
fi

logTyper "Checking for config-data updates..."

listSysConfigUpdates=$("${repoUtilCmd}" --products | egrep 'XProtectPlistConfigData|Gatekeeper Configuration Data' | grep -v '(Deprecated)')

OLD_IFS=${IFS}
IFS=$'\n'

# process updates
for item in ${listSysConfigUpdates}
do
	itemID=$(echo "${item}" | awk '{print $1}')

	if [ "" == "${itemID}" ]; then
		continue
	fi

	getItemInfo=$("${repoUtilCmd}" --info "${itemID}")

	itemTitle=$(echo "${getItemInfo}" | grep 'Title:' | awk -F 'Title:' '{print $NF}' | sed 's/^ *//;s/ *$//')

	if [ "" == "${itemTitle}" ]; then
		continue
	fi

	itemVers=$(echo "${getItemInfo}" | grep 'Version:' | awk -F 'Version:' '{print $NF}' | tr -d ' ')

	itemDescr="${itemTitle} ${itemVers} [${itemID}] from Apple."

	itemFileName=$(echo "${itemTitle}" | tr ' ' '_')-"${itemVers}"-"${itemID}".plist

	# check if metadata file is laready in Munki repo
	if [ -e "${munki_ASWUPD_META_Dir}/${itemFileName}" ]; then
		logTyper "Metadata '${itemFileName}' is already in Munki repo."
		continue
	fi

	# create a pkginfo for metadata
	/usr/local/munki/makepkginfo --apple-update "${itemID}" --displayname="${itemTitle}" --catalog testing --catalog another_one --description="${itemDescr}" --unattended_install > /tmp/"${itemFileName}"
	chmod a+rw /tmp/"${itemFileName}"

	# copy pkginfo to proper location
	cp /tmp/"${itemFileName}" "${munki_ASWUPD_META_Dir}/${itemFileName}"
	if [ $? -ne 0 ]
	then
		logTyper "ERROR: could not copy '${itemFileName}' to '${munki_ASWUPD_META_Dir}"
	fi

	logTyper "Copied '${itemFileName}' to '${munki_ASWUPD_META_Dir}"

	chown "${fileOwner}":"${fileGroup}" "${munki_ASWUPD_META_Dir}/${itemFileName}"
	chmod ug+rw,a+r "${munki_ASWUPD_META_Dir}/${itemFileName}"

done

exit 0