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#! /bin/sh
# preinst script for schroot
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <new-preinst> `install'
# * <new-preinst> `install' <old-version>
# * <new-preinst> `upgrade' <old-version>
# * <old-preinst> `abort-upgrade' <new-version>
# Remove a no-longer used conffile
rm_conffile() {
PKGNAME="$1"
CONFFILE="$2"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE'{s/ obsolete$//;s/.* //p}\"`"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-old ..."
mv -f "$CONFFILE" "$CONFFILE".dpkg-old
else
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
fi
}
# Prepare to move a conffile without triggering a dpkg question
prep_mv_conffile() {
PACKAGE="$1"
CONFFILE="$2"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`dpkg-query -W -f='${Conffiles}' $PACKAGE | sed -n -e \"\\\\' $CONFFILE'{s/.* //;p}\"`"
if [ "$md5sum" = "$old_md5sum" ]; then
rm -f "$CONFFILE"
fi
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "0.1.4-1"; then
prep_mv_conffile "schroot" "/etc/schroot.conf"
fi
if dpkg --compare-versions "$2" le "0.2.6-1"; then
prep_mv_conffile "schroot" "/etc/schroot/run.d/50sbuild"
prep_mv_conffile "schroot" "/etc/schroot/run.d/00check"
fi
if dpkg --compare-versions "$2" le "1.1.6-1"; then
rm_conffile "schroot" "/etc/schroot/setup.d/20network"
rm_conffile "schroot" "/etc/schroot/setup.d/30passwd"
fi
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
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