distro/arch: remove upgrade script

Arch is a fast moving rolling release and users expect to upgrade
their configs. The migration period over 6 months is certainly
sufficient - remove this hard to read convoluted code.

diff --git a/distro/arch/install b/distro/arch/install
index 7bb1bbb1d59ec51e5e82e3f1201601fec19de306..31f9900faeaaf606745a29d4ef1b5b8b3e2a15ad 100644 (file)
--- a/distro/arch/install
+++ b/distro/arch/install
@@ -5,46 +5,6 @@ post_install() {
   chown -R root:knot-resolver /etc/knot-resolver
 }
 
-pre_upgrade() {
-  # upgrade from 4.x to 5.x - save socket interfaces before package uninstall
-  if [ -f /usr/lib/systemd/system/kresd.socket ] ; then
-    export UPG_DIR=/var/lib/knot-resolver/.upgrade-4-to-5
-    mkdir -p ${UPG_DIR}
-    touch ${UPG_DIR}/.unfinished
-
-    for sock in kresd.socket kresd-tls.socket kresd-webmgmt.socket kresd-doh.socket ; do
-      if systemctl is-enabled ${sock} 2>/dev/null | grep -qv masked ; then
-        systemctl show ${sock} -p Listen > ${UPG_DIR}/${sock}
-        case "$(systemctl show ${sock} -p BindIPv6Only)" in
-        *ipv6-only)
-          touch ${UPG_DIR}/${sock}.v6only
-          ;;
-        *default)
-          if cat /proc/sys/net/ipv6/bindv6only | grep -q 1 ; then
-            touch ${UPG_DIR}/${sock}.v6only
-          fi
-          ;;
-        esac
-      fi
-    done
-  fi
-}
-
-post_upgrade() {
-  # upgrade from 4.x to 5.x - convert systemd socket configs to net.listen() format
-  export UPG_DIR=/var/lib/knot-resolver/.upgrade-4-to-5
-  if [ -f ${UPG_DIR}/.unfinished ] ; then
-    rm -f ${UPG_DIR}/.unfinished
-    kresd -c /usr/lib/knot-resolver/upgrade-4-to-5.lua &>/dev/null
-    echo -e "\n   !!! WARNING !!!"
-    echo -e "Knot Resolver configuration file requires manual upgrade.\n"
-    cat ${UPG_DIR}/kresd.conf.net 2>/dev/null
-  fi
-
-  chown -R root:knot-resolver /etc/knot-resolver
-  chown -R root:knot-resolver /var/lib/knot-resolver
-}
-
 post_remove() {
   getent passwd knot-resolver &>/dev/null && userdel knot-resolver >/dev/null
   getent group knot-resolver &>/dev/null && groupdel knot-resolver >/dev/null