#!/bin/sh
set -e

TESTDIR=$(readlink -f $(dirname $0))
. $TESTDIR/framework

setupenvironment
configarchitecture 'i386'

buildaptarchive
setupflataptarchive
changetowebserver

PKGFILE="${TESTDIR}/$(echo "$(basename $0)" | sed 's#^test-#Packages-#')"

wasmergeused() {
	testsuccess aptget update "$@"

	msgtest 'No intermediate patch files' 'still exist'
	local EDS="$(find rootdir/var/lib/apt/lists -name '*.ed' -o -name '*.ed.*')"
	if [ -z "$EDS" ]; then
		msgpass
	else
		echo
		echo "$EDS"
		msgfail
	fi

	msgtest 'Check if the right pdiff merger was used'
	if grep -q '^pkgAcqIndexMergeDiffs::Done(): rred' rootdir/tmp/testsuccess.output; then
		if echo "$*" | grep -q -- '-o Acquire::PDiffs::Merge=1'; then
			msgpass
		else
			msgfail "Merge shouldn't have been used, but was"
		fi
	elif echo "$*" | grep -q -- '-o Acquire::PDiffs::Merge=1'; then
		msgfail "Merge should have been used, but wasn't"
	else
		msgpass
	fi
}

testrun() {
	msgmsg "Testcase: setup the base with: $*"
	local DOWNLOADHASH=true
	if [ "$1" = 'nohash' ]; then DOWNLOADHASH=false; shift; fi
	find aptarchive -name 'Packages*' -type f -delete
	cp ${PKGFILE} aptarchive/Packages
	compressfile 'aptarchive/Packages'
	generatereleasefiles
	signreleasefiles
	rm -rf aptarchive/Packages.diff rootdir/var/lib/apt/lists rootdir/var/lib/apt/lists-bak
	testsuccess aptget update "$@"
	cp -a rootdir/var/lib/apt/lists rootdir/var/lib/apt/lists-bak
	testnopackage newstuff
	testsuccessequal "$(cat ${PKGFILE})
" aptcache show apt oldstuff

	msgmsg "Testcase: apply with one patch: $*"
	cp ${PKGFILE}-new aptarchive/Packages
	compressfile 'aptarchive/Packages'
	mkdir -p aptarchive/Packages.diff
	PATCHFILE="aptarchive/Packages.diff/$(date +%Y-%m-%d-%H%M.%S)"
	diff -e ${PKGFILE} ${PKGFILE}-new > ${PATCHFILE} || true
	cat $PATCHFILE | gzip > ${PATCHFILE}.gz
	PATCHINDEX='aptarchive/Packages.diff/Index'
	echo "SHA1-Current: $(sha1sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new)
SHA1-History:
 9f4148e06d7faa37062994ff10d0c842d7017513 33053002 2010-08-18-2013.28
 $(sha1sum $PKGFILE | cut -d' ' -f 1) $(stat -c%s $PKGFILE) $(basename $PATCHFILE)
SHA1-Patches:
 7651fc0ac57cd83d41c63195a9342e2db5650257 19722 2010-08-18-2013.28
 $(sha1sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)
SHA256-Current: $(sha256sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new)
SHA256-History:
 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b 33053002 2010-08-18-2013.28
 $(sha256sum $PKGFILE | cut -d' ' -f 1) $(stat -c%s $PKGFILE) $(basename $PATCHFILE)
SHA256-Patches:
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 19722 2010-08-18-2013.28
 $(sha256sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)" > $PATCHINDEX
	if $DOWNLOADHASH; then
		echo "SHA1-Download:
 2365ac0ac57cde3d43c63145e8251a3bd5410213 197 2010-08-18-2013.28.gz
 $(sha1sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz) $(basename ${PATCHFILE}.gz)
SHA256-Download:
 d2a1b33187ed2d248eeae3b1223ea71791ea35f2138a713ed371332a6421f467 197 2010-08-18-2013.28.gz
 $(sha256sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz) $(basename ${PATCHFILE}.gz)" >> $PATCHINDEX
	fi

	generatereleasefiles '+1hour'
	signreleasefiles
	find aptarchive -name 'Packages*' -type f -delete
	wasmergeused "$@"
	testnopackage oldstuff
	testsuccessequal "$(cat ${PKGFILE}-new)
" aptcache show apt newstuff

	msgmsg "Testcase: index is already up-to-date: $*"
	find rootdir/var/lib/apt/lists -name '*diff_Index' -type f -delete
	testsuccess aptget update "$@"
	testequal 'Hit:1 http://localhost:8080  InRelease
Reading package lists...' aptget update "$@" -o Debug::Acquire::Transaction=0 -o Debug::pkgAcquire::Diffs=0
	testsuccessequal "$(cat ${PKGFILE}-new)
" aptcache show apt newstuff

	msgmsg "Testcase: apply with two patches: $*"
	cp ${PKGFILE}-new aptarchive/Packages
	echo '
Package: futurestuff
Version: 1.0
Architecture: i386
Maintainer: Joe Sixpack <joe@example.org>
Installed-Size: 202
Filename: pool/futurestuff_1.0_i386.deb
Size: 202200
MD5sum: 311aeeaaae5ba33aff1ceaf3e1f76671
SHA1: 3c695e028f7a1ae324deeaae5ba332desa81088c
SHA256: b46fd154615edaae5ba33c56a5cc0e7deaef23e2da3e4f129727fd660f28f050
Description: some cool and shiny future stuff
 This package will appear in the next next mirror update
Description-md5: d5f89fbbc2ce34c455dfee9b67d82b6b' >> aptarchive/Packages

	compressfile 'aptarchive/Packages'
	PATCHFILE2="aptarchive/Packages.diff/$(date -d 'now + 1hour' '+%Y-%m-%d-%H%M.%S')"
	diff -e ${PKGFILE}-new aptarchive/Packages > ${PATCHFILE2} || true
	cat $PATCHFILE2 | gzip > ${PATCHFILE2}.gz
	echo "SHA1-Current: $(sha1sum aptarchive/Packages | cut -d' ' -f 1) $(stat -c%s aptarchive/Packages)
SHA1-History:
 9f4148e06d7faa37062994ff10d0c842d7017513 33053002 2010-08-18-2013.28
 $(sha1sum ${PKGFILE} | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}) $(basename ${PATCHFILE})
 $(sha1sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new) $(basename ${PATCHFILE2})
SHA1-Patches:
 7651fc0ac57cd83d41c63195a9342e2db5650257 19722 2010-08-18-2013.28
 $(sha1sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)
 $(sha1sum ${PATCHFILE2} | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE2}) $(basename ${PATCHFILE2})
SHA256-Current: $(sha256sum aptarchive/Packages | cut -d' ' -f 1) $(stat -c%s aptarchive/Packages)
SHA256-History:
 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b 33053002 2010-08-18-2013.28
 $(sha256sum $PKGFILE | cut -d' ' -f 1) $(stat -c%s $PKGFILE) $(basename $PATCHFILE)
 $(sha256sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new) $(basename ${PATCHFILE2})
SHA256-Patches:
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 19722 2010-08-18-2013.28
 $(sha256sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)
 $(sha256sum ${PATCHFILE2} | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE2}) $(basename ${PATCHFILE2})" > $PATCHINDEX
	if $DOWNLOADHASH; then
		echo "SHA1-Download:
 2365ac0ac57cde3d43c63145e8251a3bd5410213 197 2010-08-18-2013.28.gz
 $(sha1sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz) $(basename ${PATCHFILE}.gz)
 $(sha1sum ${PATCHFILE2}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE2}.gz) $(basename ${PATCHFILE2}.gz)
SHA256-Download:
 d2a1b33187ed2d248eeae3b1223ea71791ea35f2138a713ed371332a6421f467 197 2010-08-18-2013.28.gz
 $(sha256sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz) $(basename ${PATCHFILE}.gz)
 $(sha256sum ${PATCHFILE2}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE2}.gz) $(basename ${PATCHFILE2}.gz)" >> $PATCHINDEX
	fi

	generatereleasefiles '+2hour'
	signreleasefiles
	cp -a aptarchive/Packages Packages-future
	find aptarchive -name 'Packages*' -type f -delete
	rm -rf rootdir/var/lib/apt/lists
	cp -a rootdir/var/lib/apt/lists-bak rootdir/var/lib/apt/lists
	wasmergeused "$@"
	testnopackage oldstuff
	testsuccessequal "$(cat Packages-future)
" aptcache show apt newstuff futurestuff

	msgmsg "Testcase: patch applying fails, but successful fallback: $*"
	rm -rf rootdir/var/lib/apt/lists
	cp -a rootdir/var/lib/apt/lists-bak rootdir/var/lib/apt/lists
	cp ${PKGFILE}-new aptarchive/Packages
	compressfile 'aptarchive/Packages'
	mkdir -p aptarchive/Packages.diff
	PATCHFILE="aptarchive/Packages.diff/$(date +%Y-%m-%d-%H%M.%S)"
	diff -e ${PKGFILE} ${PKGFILE}-new > ${PATCHFILE} || true
	cat $PATCHFILE | gzip > ${PATCHFILE}.gz
	PATCHINDEX='aptarchive/Packages.diff/Index'
	echo "SHA1-Current: $(sha1sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new)
SHA1-History:
 9f4148e06d7faa37062994ff10d0c842d7017513 33053002 2010-08-18-2013.28
 $(sha1sum $PKGFILE | cut -d' ' -f 1) $(stat -c%s $PKGFILE) $(basename $PATCHFILE)
SHA1-Patches:
 7651fc0ac57cd83d41c63195a9342e2db5650257 19722 2010-08-18-2013.28
 $(sha1sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)
SHA256-Current: $(sha256sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new)
SHA256-History:
 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b 33053002 2010-08-18-2013.28
 $(sha256sum $PKGFILE | cut -d' ' -f 1) $(stat -c%s $PKGFILE) $(basename $PATCHFILE)
SHA256-Patches:
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 19722 2010-08-18-2013.28
 $(sha256sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)" > $PATCHINDEX
	if $DOWNLOADHASH; then
		echo "SHA1-Download:
 2365ac0ac57cde3d43c63145e8251a3bd5410213 197 2010-08-18-2013.28.gz
 $(sha1sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz) $(basename ${PATCHFILE}.gz)
SHA256-Download:
 d2a1b33187ed2d248eeae3b1223ea71791ea35f2138a713ed371332a6421f467 197 2010-08-18-2013.28.gz
 $(sha256sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz) $(basename ${PATCHFILE}.gz)" >> $PATCHINDEX
	fi
	# needs to look like a valid command, otherwise the parser will fail before hashes are checked
	echo '1d' > $PATCHFILE
	cat $PATCHFILE | gzip > ${PATCHFILE}.gz
	generatereleasefiles '+1hour'
	signreleasefiles
	testsuccess aptget update "$@"
	cp -f rootdir/tmp/testsuccess.output rootdir/tmp/aptgetupdate.output
	testsuccess grep 'Hash Sum mismatch' rootdir/tmp/aptgetupdate.output
	testnopackage oldstuff
	testsuccessequal "$(cat ${PKGFILE}-new)
" aptcache show apt newstuff

	msgmsg "Testcase: pdiff patch bigger than index itself: $*"
	rm -rf rootdir/var/lib/apt/lists
	cp -a rootdir/var/lib/apt/lists-bak rootdir/var/lib/apt/lists
	cp ${PKGFILE}-new aptarchive/Packages
	compressfile 'aptarchive/Packages'
	mkdir -p aptarchive/Packages.diff
	PATCHFILE="aptarchive/Packages.diff/$(date +%Y-%m-%d-%H%M.%S)"
	diff -e ${PKGFILE} ${PKGFILE}-new > ${PATCHFILE} || true
	cat $PATCHFILE | gzip > ${PATCHFILE}.gz
	PATCHINDEX='aptarchive/Packages.diff/Index'
	echo "SHA1-Current: $(sha1sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new)
SHA1-History:
 9f4148e06d7faa37062994ff10d0c842d7017513 33053002 2010-08-18-2013.28
 $(sha1sum $PKGFILE | cut -d' ' -f 1) $(stat -c%s $PKGFILE) $(basename $PATCHFILE)
SHA1-Patches:
 7651fc0ac57cd83d41c63195a9342e2db5650257 19722 2010-08-18-2013.28
 $(sha1sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE)000 $(basename $PATCHFILE)
SHA256-Current: $(sha256sum ${PKGFILE}-new | cut -d' ' -f 1) $(stat -c%s ${PKGFILE}-new)
SHA256-History:
 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b 33053002 2010-08-18-2013.28
 $(sha256sum $PKGFILE | cut -d' ' -f 1) $(stat -c%s $PKGFILE) $(basename $PATCHFILE)
SHA256-Patches:
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 19722 2010-08-18-2013.28
 $(sha256sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE)000 $(basename $PATCHFILE)" > $PATCHINDEX
	if $DOWNLOADHASH; then
		echo "SHA1-Download:
 2365ac0ac57cde3d43c63145e8251a3bd5410213 197 2010-08-18-2013.28.gz
 $(sha1sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz)000 $(basename ${PATCHFILE}.gz)
SHA256-Download:
 d2a1b33187ed2d248eeae3b1223ea71791ea35f2138a713ed371332a6421f467 197 2010-08-18-2013.28.gz
 $(sha256sum ${PATCHFILE}.gz | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE}.gz)000 $(basename ${PATCHFILE}.gz)" >> $PATCHINDEX
	fi
	generatereleasefiles '+1hour'
	signreleasefiles
	#find aptarchive -name 'Packages*' -type f -delete
	testsuccess aptget update -o Debug::pkgAcquire::Diffs=1 "$@"
	cp -f rootdir/tmp/testsuccess.output rootdir/tmp/aptgetupdate.output
	testsuccess grep 'bytes (Limit is' rootdir/tmp/aptgetupdate.output
	testnopackage oldstuff
	testsuccessequal "$(cat ${PKGFILE}-new)
" aptcache show apt newstuff
}
echo 'Debug::pkgAcquire::Diffs "true";
Debug::Acquire::Transaction "true";
Debug::pkgAcquire::rred "true";' > rootdir/etc/apt/apt.conf.d/rreddebug.conf

testrun nohash -o Acquire::PDiffs::Merge=0 -o APT::Get::List-Cleanup=1
testrun nohash -o Acquire::PDiffs::Merge=1 -o APT::Get::List-Cleanup=1

testrun -o Acquire::PDiffs::Merge=0 -o APT::Get::List-Cleanup=1
testrun -o Acquire::PDiffs::Merge=1 -o APT::Get::List-Cleanup=1
testrun -o Acquire::PDiffs::Merge=0 -o APT::Get::List-Cleanup=0
testrun -o Acquire::PDiffs::Merge=1 -o APT::Get::List-Cleanup=0

sha256sum() {
	echo '01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b -'
}
testrun -o Acquire::PDiffs::Merge=0 -o Acquire::ForceHash=SHA1
testrun -o Acquire::PDiffs::Merge=1 -o Acquire::ForceHash=SHA1

unset -f sha256sum
sha1sum() {
	echo 'adc83b19e793491b1c6ea0fd8b46cd9f32e592fc -'
}
testrun -o Acquire::PDiffs::Merge=0 -o Acquire::ForceHash=SHA256
testrun -o Acquire::PDiffs::Merge=1 -o Acquire::ForceHash=SHA256
