#!/bin/bash

home="$(dirname "${0}")"
target="${home}/repo"
lock='/tmp/mirrorsync.lck'
tmp="$(mktemp -d)"

[ -f "${lock}" ] && exit 1
touch "${lock}"

grep_dbinfo() {
	local _ret

	_ret="$(grep -m 1 -A 1 "%$2%" "$1" | tail -1)"
	echo -n "$_ret"
}

for repo in {core,extra,community,testing,community-testing}; do
	for arch in {i686,x86_64}; do
		echo "Reading $arch/$repo.db.tar.gz..."
		mkdir -p $tmp/$repo/$arch
		bsdtar xf $target/$repo/os/$arch/$repo.db.tar.gz -C $tmp/$repo/$arch
		for p in $tmp/$repo/$arch/*/desc; do
			echo "$(grep_dbinfo $p MD5SUM)  $target/$repo/os/$arch/$(grep_dbinfo $p FILENAME)" >> $tmp/md5sums.txt
		done
	done
done

echo 'Checking repository...'
md5sum -c --quiet $tmp/md5sums.txt

rm -rf $tmp
rm -f "${lock}"