msgfail() { echo "${CFAIL}FAIL${CNORMAL}" >&2; }
# enable / disable Debugging
-msginfo() { true; }
-msgdebug() { true; }
-msgninfo() { true; }
-msgndebug() { true; }
-msgdone() { if [ "$1" = "debug" -o "$1" = "info" ]; then true; else echo "${CDONE}DONE${CNORMAL}" >&2; fi }
+MSGLEVEL=${MSGLEVEL:-3}
+if [ $MSGLEVEL -le 0 ]; then
+ msgdie() { true; }
+fi
+if [ $MSGLEVEL -le 1 ]; then
+ msgwarn() { true; }
+ msgnwarn() { true; }
+fi
+if [ $MSGLEVEL -le 2 ]; then
+ msgmsg() { true; }
+ msgnmsg() { true; }
+fi
+if [ $MSGLEVEL -le 3 ]; then
+ msginfo() { true; }
+ msgninfo() { true; }
+fi
+if [ $MSGLEVEL -le 4 ]; then
+ msgdebug() { true; }
+ msgndebug() { true; }
+fi
+msgdone() {
+ if [ "$1" = "debug" -a $MSGLEVEL -le 4 ] ||
+ [ "$1" = "info" -a $MSGLEVEL -le 3 ] ||
+ [ "$1" = "msg" -a $MSGLEVEL -le 2 ] ||
+ [ "$1" = "warn" -a $MSGLEVEL -le 1 ] ||
+ [ "$1" = "die" -a $MSGLEVEL -le 0 ]; then
+ true;
+ else
+ echo "${CDONE}DONE${CNORMAL}" >&2;
+ fi
+}
runapt() {
msgdebug "Executing: ${CCMD}$*${CDEBUG} "
- APT_CONFIG=aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
+ 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
}
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}/${PACKAGESFILE}" aptarchive/Packages
else
- touch var/lib/dpkg/status
+ touch aptarchive/Packages
fi
- echo "RootDir \"${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"
}
done
}
-buildflataptarchive() {
- msginfo "Build APT archive for ${CCMD}$0${CINFO}…"
+setupsimplenativepackage() {
+ 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 "$SECTION" | cut -d'/' -f 1)"
+ fi
+ local BUILDDIR=incoming/${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
+
+ * Initial release
+
+ -- 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: $ARCH" > debian/control
+ test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> debian/control
+ if [ -z "$DESCRIPTION" ]; then
+ echo "Description: an autogenerated dummy ${NAME}=${VERSION}/${RELEASE}
+ If you find such a package installed on your system,
+ YOU did something horribly wrong! They are autogenerated
+ und used only by testcases for APT and surf no other propose…" >> 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/rules || cp /usr/share/doc/debhelper/examples/rules.tiny debian/rules
+ cd - > /dev/null
+}
+
+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() {
+ if [ -d incoming ]; then
+ buildaptarchivefromincoming $*
+ else
+ buildaptarchivefromfiles $*
+ fi
+}
+
+createaptftparchiveconfig() {
+ local ARCHS="$(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
+ echo -n '";
+ CacheDir "' >> ftparchive.conf
+ echo -n $(readlink -f ..) >> ftparchive.conf
+ echo -n '";
+ FileListDir "' >> ftparchive.conf
+ echo -n $(readlink -f pool/) >> ftparchive.conf
+ echo -n '";
+};
+Default {
+ Packages::Compress ". gzip bzip2 lzma";
+ Sources::Compress ". gzip bzip2 lzma";
+ Contents::Compress ". gzip bzip2 lzma";
+};
+TreeDefault {
+ Directory "pool/";
+ SrcDirectory "pool/";
+};
+APT {
+ FTPArchive {
+ Release {
+ Origin "joesixpack";
+ Label "apttestcases";
+ Suite "unstable";
+ Description "repository with dummy packages";
+ Architectures "' >> ftparchive.conf
+ echo -n "$ARCHS" >> ftparchive.conf
+ echo 'source";
+ };
+ };
+};' >> ftparchive.conf
+ 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 "$ARCHS" >> ftparchive.conf
+ echo -n 'source";
+ FileList "' >> ftparchive.conf
+ echo -n "${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 "${DIST}.*.pkglist" -type f | cut -d'/' -f 3 | cut -d'.' -f 2 | sort | uniq | tr '\n' ' ')" >> ftparchive.conf
+ echo '";
+};' >> ftparchive.conf
+ done
+}
+
+buildaptftparchivedirectorystructure() {
+ local DISTS="$(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
+}
+
+buildaptarchivefromincoming() {
+ 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 $dir -o APT::FTPArchive::Release::Codename="$(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 "Build APT archive for ${CCMD}$(basename $0)${CINFO} based on prebuild files…"
cd aptarchive
- APTARCHIVE=$(readlink -f .)
if [ -f Packages ]; then
msgninfo "\tPackages file… "
cat Packages | gzip > Packages.gz
cat Sources | lzma > Sources.lzma
msgdone "info"
fi
+ msgninfo "\tRelease file… "
+ aptftparchive -qq release . | sed -e '/0 Release$/ d' > Release # remove the self reference
+ msgdone "info"
cd ..
- aptftparchive release . > Release
+}
+
+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() {
- buildflataptarchive
- APTARCHIVE=$(readlink -f ./aptarchive)
+ local APTARCHIVE=$(readlink -f ./aptarchive)
if [ -f ${APTARCHIVE}/Packages ]; then
msgninfo "\tadd deb sources.list line… "
echo "deb file://$APTARCHIVE /" > rootdir/etc/apt/sources.list.d/apt-test-archive-deb.list
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"
+}
+
+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
}
-diff() {
+checkdiff() {
local DIFFTEXT="$($(which diff) -u $* | sed -e '/^---/ d' -e '/^+++/ d' -e '/^@@/ d')"
if [ -n "$DIFFTEXT" ]; then
echo
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 $COMPAREFILE
}
shift 2
msgtest "Test for equality OR of" "$*"
$* 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
}
testshowvirtual() {
- local VIRTUAL="E: Can't select versions from package '$1' as it purely virtual"
+ local VIRTUAL="N: Can't select versions from package '$1' as it purely virtual"
local PACKAGE="$1"
shift
while [ -n "$1" ]; do
VIRTUAL="${VIRTUAL}
-E: Can't select versions from package '$1' as it purely virtual"
+N: Can't select versions from package '$1' as it purely virtual"
PACKAGE="${PACKAGE} $1"
shift
done
msgtest "Test for virtual packages" "apt-cache show $PACKAGE"
VIRTUAL="${VIRTUAL}
-E: No packages found"
+N: No packages found"
local COMPAREFILE=$(mktemp)
local ARCH=$(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
}
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
+}