refresh install_upgrade_escript from relx-4.5, reenable versions option

Author: Andrei Zavada

priv/bin_script

@@ -451,8 +451,20 @@ case "$1" in
         relx_nodetool rpcterms $@
         ;;
 
+    versions)
+        if ! relx_nodetool "ping" > /dev/null; then
+            echo "Node is not running!"
+            exit 1
+        fi
+
+        COMMAND="$1"; shift
+
+        exec "$BINDIR/escript" "$ROOTDIR/bin/install_upgrade.escript" \
+             "versions" "{'$REL_NAME', \"$NAME_TYPE\", '$NAME', '$COOKIE'}" "$@"
+        ;;
+
     *)
-        echo "Usage: $REL_NAME {start|start_boot <file>|foreground|stop|restart|reboot|pid|ping|console|console_clean|console_boot <file>|attach|remote_console|upgrade|config|escript|rpc|rpcterms}"
+        echo "Usage: $REL_NAME {start|start_boot <file>|foreground|stop|restart|reboot|pid|ping|console|console_clean|console_boot <file>|attach|remote_console|upgrade|config|escript|rpc|rpcterms|versions}"
         exit 1
         ;;
 esac