X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/fc89263e0dc1eceb016d52f2007a458b2dc5afaf..2d555a8205eccc4cb17b93f7c92b71a854e8f82e:/test/integration/framework

diff --git a/test/integration/framework b/test/integration/framework
index a4c857f17..f78ae2ee1 100644
--- a/test/integration/framework
+++ b/test/integration/framework
@@ -64,6 +64,8 @@ runapt() {
 	msgdebug "Executing: ${CCMD}$*${CDEBUG} "
 	if [ -f ./aptconfig.conf ]; then
 		APT_CONFIG=aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
+        elif [ -f ../aptconfig.conf ]; then
+                APT_CONFIG=../aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
 	else
 		LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
 	fi
@@ -72,38 +74,55 @@ aptconfig() { runapt apt-config $*; }
 aptcache() { runapt apt-cache $*; }
 aptget() { runapt apt-get $*; }
 aptftparchive() { runapt apt-ftparchive $*; }
+aptkey() { runapt apt-key $*; }
+dpkg() {
+	$(which dpkg) --root=${TMPWORKINGDIRECTORY}/rootdir --force-not-root --force-bad-path --log=${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log $*
+}
 
 setupenvironment() {
-	local TMPWORKINGDIRECTORY=$(mktemp -d)
+	TMPWORKINGDIRECTORY=$(mktemp -d)
 	local TESTDIR=$(readlink -f $(dirname $0))
-	msgninfo "Preparing environment for ${CCMD}$0${CINFO} in ${TMPWORKINGDIRECTORY}… "
+	msgninfo "Preparing environment for ${CCMD}$(basename $0)${CINFO} in ${TMPWORKINGDIRECTORY}… "
 	BUILDDIRECTORY="${TESTDIR}/../../build/bin"
 	test -x "${BUILDDIRECTORY}/apt-get" || msgdie "You need to build tree first"
 	local OLDWORKINGDIRECTORY=$(pwd)
-	trap "cd /; rm -rf $TMPWORKINGDIRECTORY; cd $OLDWORKINGDIRECTORY" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
+	CURRENTTRAP="cd /; rm -rf $TMPWORKINGDIRECTORY; cd $OLDWORKINGDIRECTORY"
+	trap "$CURRENTTRAP" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
 	cd $TMPWORKINGDIRECTORY
-	mkdir rootdir aptarchive
+	mkdir rootdir aptarchive keys
 	cd rootdir
-	mkdir -p etc/apt/apt.conf.d etc/apt/sources.list.d etc/apt/trusted.gpg.d etc/apt/preferences.d var/cache var/lib/dpkg
-	mkdir -p var/cache/apt/archives/partial var/lib/apt/lists/partial
-	local STATUSFILE=$(echo "$(basename $0)" | sed 's/^test-/status-/')
+	mkdir -p etc/apt/apt.conf.d etc/apt/sources.list.d etc/apt/trusted.gpg.d etc/apt/preferences.d
+	mkdir -p var/cache var/lib var/log
+	mkdir -p var/lib/dpkg/info var/lib/dpkg/updates var/lib/dpkg/triggers
+	local STATUSFILE=$(echo "$(basename $0)" | sed -e 's/^test-/status-/' -e 's/^skip-/status-/')
 	if [ -f "${TESTDIR}/${STATUSFILE}" ]; then
 		cp "${TESTDIR}/${STATUSFILE}" var/lib/dpkg/status
 	else
 		touch var/lib/dpkg/status
 	fi
+	touch var/lib/dpkg/available
 	mkdir -p usr/lib/apt
 	ln -s ${BUILDDIRECTORY}/methods usr/lib/apt/methods
 	cd ..
-	local PACKAGESFILE=$(echo "$(basename $0)" | sed 's/^test-/Packages-/')
+	local PACKAGESFILE=$(echo "$(basename $0)" | sed -e 's/^test-/Packages-/' -e 's/^skip-/Packages-/')
 	if [ -f "${TESTDIR}/${PACKAGESFILE}" ]; then
 		cp "${TESTDIR}/${PACKAGESFILE}" aptarchive/Packages
 	else
 		touch aptarchive/Packages
 	fi
-	echo "RootDir \"${TMPWORKINGDIRECTORY}/rootdir\";" > aptconfig.conf
+	cp $(find $TESTDIR -name '*.pub' -o -name '*.sec') keys/
+	ln -s ${TMPWORKINGDIRECTORY}/keys/joesixpack.pub rootdir/etc/apt/trusted.gpg.d/joesixpack.gpg
+	echo "Dir \"${TMPWORKINGDIRECTORY}/rootdir\";" > aptconfig.conf
+	echo "Dir::state::status \"${TMPWORKINGDIRECTORY}/rootdir/var/lib/dpkg/status\";" >> aptconfig.conf
 	echo "Debug::NoLocking \"true\";" >> aptconfig.conf
 	echo "APT::Get::Show-User-Simulation-Note \"false\";" >> aptconfig.conf
+	echo "Dir::Bin::dpkg \"fakeroot\";" >> aptconfig.conf
+	echo "Dir::Bin::methods \"${BUILDDIRECTORY}/methods\";" >> aptconfig.conf
+	echo "DPKG::options:: \"dpkg\";" >> aptconfig.conf
+	echo "DPKG::options:: \"--root=${TMPWORKINGDIRECTORY}/rootdir\";" >> aptconfig.conf
+	echo "DPKG::options:: \"--force-not-root\";" >> aptconfig.conf
+	echo "DPKG::options:: \"--force-bad-path\";" >> aptconfig.conf
+	echo "DPKG::options:: \"--log=${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log\";" >> aptconfig.conf
 	export LC_ALL=C
 	msgdone "info"
 }
@@ -118,33 +137,39 @@ configarchitecture() {
 	done
 }
 
-buildsimplenativepackage() {
+setupsimplenativepackage() {
 	local NAME="$1"
 	local ARCH="$2"
 	local VERSION="$3"
 	local RELEASE="${4:-unstable}"
 	local DEPENDENCIES="$5"
 	local DESCRIPTION="$6"
-	msgndebug "Build package ${CCMD}${NAME}=${VERSION}/${RELEASE}${CDEBUG}… "
+	local SECTION="${7:-others}"
+	local DISTSECTION
+	if [ "$SECTION" = "$(echo "$SECTION" | cut -d'/' -f 2)" ]; then
+		DISTSECTION="main"
+	else
+		DISTSECTION="$(echo "$SECTION" | cut -d'/' -f 1)"
+	fi
 	local BUILDDIR=incoming/${NAME}-${VERSION}
 	mkdir -p ${BUILDDIR}/debian/source
 	cd ${BUILDDIR}
 	echo "* most suckless software product ever" > FEATURES
-	test -e debian/copyright || (echo "Copyleft by Joe Sixpack $(date +%Y)" > debian/copyright)
-	test -e debian/changelog || (echo "$NAME ($VERSION) $RELEASE; urgency=low
+	test -e debian/copyright || echo "Copyleft by Joe Sixpack $(date +%Y)" > debian/copyright
+	test -e debian/changelog || echo "$NAME ($VERSION) $RELEASE; urgency=low
 
   * Initial release
 
- -- Joe Sixpack <joe@example.org>  $(date -R)" > debian/changelog)
-	test -e debian/control || (echo "Source: $NAME
-Section: admin
+ -- Joe Sixpack <joe@example.org>  $(date -R)" > debian/changelog
+	test -e debian/control || echo "Source: $NAME
+Section: $SECTION
 Priority: optional
 Maintainer: Joe Sixpack <joe@example.org>
 Build-Depends: debhelper (>= 7)
 Standards-Version: 3.9.1
 
 Package: $NAME
-Architecture: $ARCH" > debian/control)
+Architecture: $ARCH" > debian/control
 	test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> debian/control
 	if [ -z "$DESCRIPTION" ]; then
 		echo "Description: an autogenerated dummy ${NAME}=${VERSION}/${RELEASE}
@@ -154,17 +179,54 @@ Architecture: $ARCH" > debian/control)
 	else
 		echo "Description: $DESCRIPTION" >> debian/control
 	fi
-	test -e debian/compat || (echo "7" > debian/compat)
-	test -e debian/source/format || (echo "3.0 (native)" > debian/source/format)
+	test -e debian/compat || echo "7" > debian/compat
+	test -e debian/source/format || echo "3.0 (native)" > debian/source/format
 	test -e debian/rules || cp /usr/share/doc/debhelper/examples/rules.tiny debian/rules
-	dpkg-buildpackage -uc -us -a$ARCH > /dev/null 2> /dev/null
 	cd - > /dev/null
-	rm -rf $BUILDDIR
-	msgdone "debug"
+}
+
+buildsimplenativepackage() {
+	local NAME="$1"
+	local ARCH="$2"
+	local VERSION="$3"
+	local RELEASE="${4:-unstable}"
+	local DEPENDENCIES="$5"
+	local DESCRIPTION="$6"
+	local SECTION="${7:-others}"
+	local DISTSECTION
+	if [ "$SECTION" = "$(echo "$SECTION" | cut -d'/' -f 2)" ]; then
+		DISTSECTION="main"
+	else
+		DISTSECTION="$(echo "$SECTION" | cut -d'/' -f 1)"
+	fi
+	setupsimplenativepackage "$NAME" "$ARCH" "$VERSION" "$RELEASE" "$DEPENDENCIES" "$DESCRIPTION" "$SECTION"
+	buildpackage "incoming/${NAME}-${VERSION}" "$RELEASE" "$DISTSECTION"
+	rm -rf "incoming/${NAME}-${VERSION}"
+}
+
+buildpackage() {
+	local BUILDDIR=$1
+	local RELEASE=$2
+	local SECTION=$3
+	msgninfo "Build package $(echo "$BUILDDIR" | grep -o '[^/]*$') for ${RELEASE} in ${SECTION}… "
+	cd $BUILDDIR
+	if [ "$ARCH" = "all" ]; then
+		ARCH="$(dpkg-architecture -qDEB_HOST_ARCH 2> /dev/null)"
+	fi
+	local BUILT="$(dpkg-buildpackage -uc -us -a$ARCH 2> /dev/null)"
+	local PKGS="$( echo "$BUILT" | grep '^dpkg-deb: building package' | cut -d'/' -f 2 | sed -e "s#'\.##")"
+	local SRCS="$( echo "$BUILT" | grep '^dpkg-source: info: building' | grep -o '[a-z0-9._+~-]*$')"
+	cd - > /dev/null
+	for PKG in $PKGS; do
+		echo "pool/${PKG}" >> ${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.pkglist
+	done
+	for SRC in $SRCS; do
+		echo "pool/${SRC}" >> ${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.srclist
+	done
+	msgdone "info"
 }
 
 buildaptarchive() {
-	msgninfo "Build APT archive for ${CCMD}$0${CINFO} based on "
 	if [ -d incoming ]; then
 		buildaptarchivefromincoming $*
 	else
@@ -174,6 +236,10 @@ buildaptarchive() {
 
 createaptftparchiveconfig() {
 	local ARCHS="$(find pool/ -name '*.deb' | grep -oE '_[a-z0-9-]+\.deb$' | sort | uniq | sed -e '/^_all.deb$/ d' -e 's#^_\([a-z0-9-]*\)\.deb$#\1#' | tr '\n' ' ')"
+	if [ -z "$ARCHS" ]; then
+		# the pool is empty, so we will operate on faked packages - let us use the configured archs
+		ARCHS="$(aptconfig dump | grep APT::Architecture | cut -d'"' -f 2 | sed '/^$/ d' | sort | uniq | tr '\n' ' ')"
+	fi
 	echo -n 'Dir {
 	ArchiveDir "' >> ftparchive.conf
 	echo -n $(readlink -f .) >> ftparchive.conf
@@ -181,6 +247,14 @@ createaptftparchiveconfig() {
 	CacheDir "' >> ftparchive.conf
 	echo -n $(readlink -f ..) >> ftparchive.conf
 	echo -n '";
+	FileListDir "' >> ftparchive.conf
+	echo -n $(readlink -f pool/) >> ftparchive.conf
+	echo -n '";
+};
+Default {
+	Packages::Compress ". gzip bzip2 lzma";
+	Sources::Compress ". gzip bzip2 lzma";
+	Contents::Compress ". gzip bzip2 lzma";
 };
 TreeDefault {
 	Directory "pool/";
@@ -199,42 +273,60 @@ APT {
 		};
 	};
 };' >> ftparchive.conf
-	if [ -z "$1" ]; then
-		echo -n 'tree "dists/unstable" {
+	for DIST in $(find ./pool/ -maxdepth 1 -name '*.pkglist' -type f | cut -d'/' -f 3 | cut -d'.' -f 1 | sort | uniq); do
+		echo -n 'tree "dists/' >> ftparchive.conf
+		echo -n "$DIST" >> ftparchive.conf
+		echo -n '" {
 	Architectures "' >> ftparchive.conf
 		echo -n "$ARCHS" >> ftparchive.conf
-		echo 'source";
-	Sections "main";
+		echo -n 'source";
+	FileList "' >> ftparchive.conf
+		echo -n "${DIST}.\$(SECTION).pkglist" >> ftparchive.conf
+		echo -n '";
+	SourceFileList "' >> ftparchive.conf
+		echo -n "${DIST}.\$(SECTION).srclist" >> ftparchive.conf
+		echo -n '";
+	Sections "' >> ftparchive.conf
+		echo -n "$(find ./pool/ -maxdepth 1 -name "${DIST}.*.pkglist" -type f | cut -d'/' -f 3 | cut -d'.' -f 2 | sort | uniq | tr '\n' ' ')" >> ftparchive.conf
+		echo '";
 };' >> ftparchive.conf
-	fi
+	done
 }
 
 buildaptftparchivedirectorystructure() {
-	local ARCHS="$(find pool/ -name '*.deb' | grep -oE '_[a-z0-9-]+\.deb$' | sort | uniq | sed -e '/^_all.deb$/ d' -e 's#^_\([a-z0-9-]*\)\.deb$#\1#')"
-	for arch in $ARCHS; do
-		mkdir -p dists/unstable/main/binary-${arch}
+	local DISTS="$(grep -i '^tree ' ftparchive.conf | cut -d'/' -f 2 | sed -e 's#".*##')"
+	for DIST in $DISTS; do
+		local SECTIONS="$(grep -i -A 5 "dists/$DIST" ftparchive.conf | grep -i 'Sections' | cut -d'"' -f 2)"
+		for SECTION in $SECTIONS; do
+			local ARCHS="$(grep -A 5 "dists/$DIST" ftparchive.conf | grep Architectures | cut -d'"' -f 2 | sed -e 's#source##')"
+			for ARCH in $ARCHS; do
+				mkdir -p dists/${DIST}/${SECTION}/binary-${ARCH}
+			done
+			mkdir -p dists/${DIST}/${SECTION}/source
+			mkdir -p dists/${DIST}/${SECTION}/i18n
+		done
 	done
-	mkdir -p dists/unstable/main/source
-	mkdir -p dists/unstable/main/i18n
 }
 
 buildaptarchivefromincoming() {
-	msginfo "incoming packages…"
+	msginfo "Build APT archive for ${CCMD}$(basename $0)${CINFO} based on incoming packages…"
 	cd aptarchive
 	[ -e pool ] || ln -s ../incoming pool
 	[ -e ftparchive.conf ] || createaptftparchiveconfig
 	[ -e dists ] || buildaptftparchivedirectorystructure
+	msgninfo "\tGenerate Packages, Sources and Contents files… "
 	aptftparchive -qq generate ftparchive.conf
+	msgdone "info"
+	msgninfo "\tGenerate Release files… "
 	for dir in $(find ./dists -mindepth 1 -maxdepth 1 -type d); do
-		aptftparchive -qq release $dir > $dir/Release
-		sed -i -e '/0 Release$/ d' $dir/Release # remove the self reference
+		aptftparchive -qq release $dir -o APT::FTPArchive::Release::Codename="$(echo "$dir" | cut -d'/' -f 3)" | sed -e '/0 Release$/ d' > $dir/Release # remove the self reference
 	done
 	cd - > /dev/null
 	msgdone "info"
 }
 
 buildaptarchivefromfiles() {
-	msginfo "prebuild files…"
+	msginfo "Build APT archive for ${CCMD}$(basename $0)${CINFO} based on prebuild files…"
 	cd aptarchive
 	if [ -f Packages ]; then
 		msgninfo "\tPackages file… "
@@ -250,13 +342,26 @@ buildaptarchivefromfiles() {
 		cat Sources | lzma > Sources.lzma
 		msgdone "info"
 	fi
-	aptftparchive -qq release . > Release
-	sed -i -e '/0 Release$/ d' Release # remove the self reference
+	msgninfo "\tRelease file… "
+	aptftparchive -qq release . | sed -e '/0 Release$/ d' > Release # remove the self reference
+	msgdone "info"
 	cd ..
 }
 
-setupaptarchive() {
-	buildaptarchive
+setupdistsaptarchive() {
+	local APTARCHIVE=$(readlink -f ./aptarchive)
+	rm -f root/etc/apt/sources.list.d/apt-test-*-deb.list
+	rm -f root/etc/apt/sources.list.d/apt-test-*-deb-src.list
+	for DISTS in $(find ./aptarchive/dists/ -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 4); do
+		SECTIONS=$(find ./aptarchive/dists/${DISTS}/ -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 5 | tr '\n' ' ')
+		msgninfo "\tadd deb and deb-src sources.list lines for ${CCMD}${DISTS} ${SECTIONS}${CINFO}… "
+		echo "deb file://$APTARCHIVE $DISTS $SECTIONS" > rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb.list
+		echo "deb-src file://$APTARCHIVE $DISTS $SECTIONS" > rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb-src.list
+		msgdone "info"
+	done
+}
+
+setupflataptarchive() {
 	local APTARCHIVE=$(readlink -f ./aptarchive)
 	if [ -f ${APTARCHIVE}/Packages ]; then
 		msgninfo "\tadd deb sources.list line… "
@@ -272,10 +377,53 @@ setupaptarchive() {
 	else
 		rm -f rootdir/etc/apt/sources.list.d/apt-test-archive-deb-src.list
 	fi
+}
+
+setupaptarchive() {
+	buildaptarchive
+	if [ -e aptarchive/dists ]; then
+		setupdistsaptarchive
+	else
+		setupflataptarchive
+	fi
+	signreleasefiles
+	msgninfo "\tSync APT's cache with the archive… "
 	aptget update -qq
+	msgdone "info"
+}
+
+signreleasefiles() {
+	local SIGNER="${1:-Joe Sixpack}"
+	msgninfo "\tSign archive with $SIGNER key… "
+	local SECKEYS=""
+	for KEY in $(find keys/ -name '*.sec'); do
+		SECKEYS="$SECKEYS --secret-keyring $KEY"
+	done
+	local PUBKEYS=""
+	for KEY in $(find keys/ -name '*.pub'); do
+		PUBKEYS="$PUBKEYS --keyring $KEY"
+	done
+	for RELEASE in $(find aptarchive/ -name Release); do
+		gpg --yes --no-default-keyring $SECKEYS $PUBKEYS --default-key "$SIGNER" -abs -o ${RELEASE}.gpg ${RELEASE}
+	done
+	msgdone "info"
 }
 
-diff() {
+changetowebserver() {
+	if which weborf > /dev/null; then
+		weborf -xb aptarchive/ 2>&1 > /dev/null &
+		CURRENTTRAP="kill $(ps | grep weborf | sed -e 's#^[ ]*##' | cut -d' ' -f 1); $CURRENTTRAP"
+		trap "$CURRENTTRAP" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
+		local APTARCHIVE="file://$(readlink -f ./aptarchive)"
+		for LIST in $(find rootdir/etc/apt/sources.list.d/ -name 'apt-test-*.list'); do
+			sed -i $LIST -e "s#$APTARCHIVE#http://localhost:8080/#"
+		done
+		return 0
+	fi
+	return 1
+}
+
+checkdiff() {
 	local DIFFTEXT="$($(which diff) -u $* | sed -e '/^---/ d' -e '/^+++/ d' -e '/^@@/ d')"
 	if [ -n "$DIFFTEXT" ]; then
 		echo
@@ -286,12 +434,23 @@ diff() {
 	fi
 }
 
+testfileequal() {
+	local FILE="$1"
+	shift
+	msgtest "Test for correctness of file" "$FILE"
+	if [ -z "$*" ]; then
+		echo -n "" | checkdiff $FILE - && msgpass || msgfail
+	else
+		echo "$*" | checkdiff $FILE - && msgpass || msgfail
+	fi
+}
+
 testequal() {
 	local COMPAREFILE=$(mktemp)
 	echo "$1" > $COMPAREFILE
 	shift
 	msgtest "Test for equality of" "$*"
-	$* 2>&1 | diff $COMPAREFILE - && msgpass || msgfail
+	$* 2>&1 | checkdiff $COMPAREFILE - && msgpass || msgfail
 	rm $COMPAREFILE
 }
 
@@ -304,10 +463,10 @@ testequalor2() {
 	shift 2
 	msgtest "Test for equality OR of" "$*"
 	$* 2>&1 1> $COMPAREAGAINST
-	(diff $COMPAREFILE1 $COMPAREAGAINST 1> /dev/null ||
-		diff $COMPAREFILE2 $COMPAREAGAINST 1> /dev/null) && msgpass ||
-		( echo "\n${CINFO}Diff against OR 1${CNORMAL}" "$(diff $COMPAREFILE1 $COMPAREAGAINST)" \
-		       "\n${CINFO}Diff against OR 2${CNORMAL}" "$(diff $COMPAREFILE2 $COMPAREAGAINST)" &&
+	(checkdiff $COMPAREFILE1 $COMPAREAGAINST 1> /dev/null ||
+		checkdiff $COMPAREFILE2 $COMPAREAGAINST 1> /dev/null) && msgpass ||
+		( echo "\n${CINFO}Diff against OR 1${CNORMAL}" "$(checkdiff $COMPAREFILE1 $COMPAREAGAINST)" \
+		       "\n${CINFO}Diff against OR 2${CNORMAL}" "$(checkdiff $COMPAREFILE2 $COMPAREAGAINST)" &&
 		  msgfail )
 	rm $COMPAREFILE1 $COMPAREFILE2 $COMPAREAGAINST
 }
@@ -329,7 +488,7 @@ N: No packages found"
 	local ARCH=$(dpkg-architecture -qDEB_HOST_ARCH_CPU)
 	eval `apt-config shell ARCH APT::Architecture`
 	echo "$VIRTUAL" | sed -e "s/:$ARCH//" -e 's/:all//' > $COMPAREFILE
-	aptcache show $PACKAGE 2>&1 | diff $COMPAREFILE - && msgpass || msgfail
+	aptcache show -q=0 $PACKAGE 2>&1 | checkdiff $COMPAREFILE - && msgpass || msgfail
 	rm $COMPAREFILE
 }
 
@@ -344,3 +503,27 @@ testnopackage() {
 	fi
 	msgpass
 }
+
+testdpkginstalled() {
+	msgtest "Test for correctly installed package(s) with" "dpkg -l $*"
+	local PKGS="$(dpkg -l $* | grep '^[a-z]' | grep '^[^i]' | wc -l)"
+	if [ "$PKGS" != 0 ]; then
+		echo $PKGS
+		dpkg -l $* | grep '^[a-z]'
+		msgfail
+		return 1
+	fi
+	msgpass
+}
+
+testdpkgnoninstalled() {
+	msgtest "Test for correctly non-installed package(s) with" "dpkg -l $*"
+	local PKGS="$(dpkg -l $* | grep '^[a-z]' | grep '^[^u]' | wc -l)"
+	if [ "$PKGS" != 0 ]; then
+		echo
+		dpkg -l $* | grep '^[a-z]'
+		msgfail
+		return 1
+	fi
+	msgpass
+}