apt/test/integration/test-pdiff-usage

#!/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-#')"

echo '#!/bin/sh
touch merge-was-used
/usr/bin/diffindex-rred "$@"' > extrred
chmod +x extrred
echo 'Dir::Bin::rred "./extrred";' > rootdir/etc/apt/apt.conf.d/99rred

wasmergeused() {
	testsuccess aptget update "$@"
	msgtest 'Check if the right pdiff merger was used'
	if [ -e ./merge-was-used ]; then
		rm -f ./merge-was-used
		if echo "$*" | 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() {
	# setup the base
	find aptarchive -name 'Packages*' -type f -delete
	cp ${PKGFILE} aptarchive/Packages
	compressfile 'aptarchive/Packages'
	generatereleasefiles
	signreleasefiles
	rm -rf aptarchive/Packages.diff rootdir/var/lib/apt/lists
	testsuccess aptget update "$@"
	cp -a rootdir/var/lib/apt/lists rootdir/var/lib/apt/lists-bak
	testnopackage newstuff
	testequal "$(cat ${PKGFILE})
" aptcache show apt oldstuff

	# 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 2010-08-18-0814.28
 $(sha1sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)" > $PATCHINDEX
	generatereleasefiles '+1hour'
	signreleasefiles
	find aptarchive -name 'Packages*' -type f -delete
	wasmergeused "$@"
	testnopackage oldstuff
	testequal "$(cat ${PKGFILE}-new)
" aptcache show apt newstuff

	# index is already up-to-date
	find rootdir/var/lib/apt/lists -name '*.IndexDiff' -type f -delete
	testsuccess aptget update "$@"
	testequal "$(cat ${PKGFILE}-new)
" aptcache show apt newstuff

	# 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 2010-08-18-0814.28
 $(sha1sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)
 $(sha1sum ${PATCHFILE2} | cut -d' ' -f 1) $(stat -c%s ${PATCHFILE2}) $(basename ${PATCHFILE2})" > $PATCHINDEX
	generatereleasefiles '+2hour'
	signreleasefiles
	cp -a aptarchive/Packages Packages-future
	find aptarchive -name 'Packages*' -type f -delete
	rm -rf rootdir/var/lib/apt/lists
	cp -a rootdir/var/lib/apt/lists-bak rootdir/var/lib/apt/lists
	wasmergeused "$@"
	testnopackage oldstuff
	testequal "$(cat Packages-future)
" aptcache show apt newstuff futurestuff

	# 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
	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 2010-08-18-0814.28
 $(sha1sum $PATCHFILE | cut -d' ' -f 1) $(stat -c%s $PATCHFILE) $(basename $PATCHFILE)" > $PATCHINDEX
	echo 'I am Mallory and I change files' >> $PATCHFILE
	cat $PATCHFILE | gzip > ${PATCHFILE}.gz
	generatereleasefiles '+1hour'
	signreleasefiles
	testsuccess aptget update "$@"
	testnopackage oldstuff
	testequal "$(cat ${PKGFILE}-new)
" aptcache show apt newstuff
}

testrun -o Debug::pkgAcquire::Diffs=1 -o Debug::pkgAcquire::rred=1 -o Acquire::PDiffs::Merge=0
testrun -o Debug::pkgAcquire::Diffs=1 -o Debug::pkgAcquire::rred=1 -o Acquire::PDiffs::Merge=1