epm-release-upgrade: add support for ROSA/13

bin/epm-release_upgrade

@@ -566,12 +566,16 @@ epm_release_upgrade()
         return
         ;;
     "ROSA")
-        # TODO: move to distro related upgrade
-        #epm repo remove all
-        # FIXME: don't work:
-        #epm repo add "http://mirror.rosalinux.ru/rosa/rosa2021.1/repository/$DISTRARCH"
-        #showcmd urpmi.addmedia --distrib http://mirror.yandex.ru/mandriva/devel/2010.2/i586/
-        #sudocmd urpmi --auto-update --replacefiles
+        sudocmd dnf --refresh upgrade || fatal
+        sudocmd dnf clean all
+        DV=$(echo "$DISTRVERSION" | sed -e "s|\..*||")
+        [ "$DV" = "2021" ] && DV=12
+        local RELEASEVER="$1"
+        [ -n "$RELEASEVER" ] || RELEASEVER=$(($DV + 1))
+        confirm_info 'Upgrade to $DISTRNAME/$RELEASEVER'
+        sudocmd dnf distro-sync -y --releasever=$RELEASEVER --allowerasing
+        sudocmd rpm --rebuilddb
+        epm upgrade
         return
         ;;
     *)