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#! /bin/sh -e
ETC_SSH_MODULI=@ETC_SSH_MODULI@
ETC_SSH_SSH_CONFIG=@ETC_SSH_SSH_CONFIG@
action="$1"
version="$2"
prepare_transfer_conffile () {
CONFFILE="$1"
TEXT="$2"
MODE="$3"
[ "$CONFFILES" ] || return 0
[ -e "$CONFFILE" ] || return 0
md5sum="$(md5sum "$CONFFILE" |sed -e 's/ .*//')"
old_md5sum="$(echo "$CONFFILES" | awk '$1 == "'"$CONFFILE"'" { print $2 }')"
if [ "$md5sum" = "$old_md5sum" ]; then
echo >&2 "Transferring ownership of conffile $CONFFILE ..."
# We have to write out the desired new text of the conffile,
# which is tricky in the preinst, hence the nasty way we
# have to hardcode the text here. Fortunately, this is only
# necessary with sarge's dpkg and older.
if echo "$TEXT" | head -n1 | grep -q '^@.*@$'; then
echo >&2 'Unsubstituted conffile text! Please report this bug.'
exit 1
fi
printf '%s' "$TEXT" >"$CONFFILE.dpkg-new"
chmod "$MODE" "$CONFFILE.dpkg-new"
mv -f "$CONFFILE" "$CONFFILE.moved-by-preinst"
mv -f "$CONFFILE.dpkg-new" "$CONFFILE"
return 0
fi
}
case $action in
install|upgrade)
if dpkg --compare-versions "$version" lt 0; then
CONFFILES="$(dpkg-query -W -f '${Conffiles}\n' ssh 2>/dev/null | sed 's/^ *//')"
prepare_transfer_conffile /etc/ssh/moduli "$ETC_SSH_MODULI" 0644
prepare_transfer_conffile /etc/ssh/ssh_config "$ETC_SSH_SSH_CONFIG" 0644
fi
;;
esac
#DEBHELPER#
exit 0
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