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|
#!/bin/sh
set -e
is_installed()
{
local pkg="$1"
dpkg-query -s "$pkg" >/dev/null 2>&1 || return 1
local status="$(dpkg-query -W -f '${Status}' $pkg)"
test "$status" != "unknown ok not-installed" || return 1
test "$status" != "deinstall ok config-files" || return 1
return 0
}
#
# Remove obsolete base packages from the reference chroot.
#
# These packages are part of a minimal chroot in release R, but no
# longer exist in release R+1.
# Package dependencies will cause removal of the obsolete packages
# during a subset of upgrade paths. Since these packages cannot be
# reinstalled in release R+1 ensure they are always gone from the
# final reference chroot.
#
# Only while creating the reference chroot.
test "$PIUPARTS_PHASE" = "" || exit 0
PURGE=
mark_for_purge()
{
pkg="$1"
# skip if the package is not installed
is_installed "$pkg" || return 0
case ${PIUPARTS_OBJECTS%%=*} in
$pkg)
# keep it while testing it
;;
*)
PURGE="$PURGE $pkg"
esac
}
if [ "$PIUPARTS_DISTRIBUTION" = "wheezy" ] ; then
mark_for_purge libdb4.8
# gcc-4.4-base is part of the minimal squeeze chroot
# but it no longer exists in wheezy
mark_for_purge gcc-4.4-base
fi
if [ "$PIUPARTS_DISTRIBUTION" = "jessie" ] ; then
mark_for_purge libdb5.1
fi
if [ "$PIUPARTS_DISTRIBUTION" = "stretch" ] || \
[ "$PIUPARTS_DISTRIBUTION" = "stretch-next" ] ; then
mark_for_purge libprocps3
mark_for_purge sysvinit
# pulled in during dist-upgrade of the reference chroot with --install-recommends
# can cause problems if the tested upgrade path installs a different pinentry-*
# because apt may fail to properly switch during removal (seen on e.g.
# plasma-desktop, plasma-netbook, kdeutils, print-manager, science-chemistry)
mark_for_purge pinentry-curses
fi
if [ "$PIUPARTS_DISTRIBUTION" = "buster" ] || \
[ "$PIUPARTS_DISTRIBUTION" = "buster-next" ] ; then
mark_for_purge libcryptsetup4
mark_for_purge libprocps6
fi
if [ -n "$PURGE" ]; then
echo "Removing packages from base system:$PURGE"
apt-get -y remove --purge $PURGE
fi
|
