slackware: fix repo update, fix install pkg from file

bin/epm-install

@@ -268,7 +268,10 @@ epm_install_files()
             sudocmd pacman -U $force $@
             return ;;
         slackpkg)
-            sudocmd /sbin/installpkg $@
+            separate_installed $@
+            # FIXME: broken status when use batch and default answer
+            [ -n "$pkg_noninstalled" ] && sudocmd_foreach "/sbin/installpkg" $pkg_noninstalled
+            [ -n "$pkg_installed" ] && sudocmd_foreach "/sbin/upgradepkg" $pkg_installed
             return ;;
     esac
 

bin/epm-update

@@ -52,7 +52,7 @@ case $PMTYPE in
 		sudocmd emerge --sync
 		;;
 	slackpkg)
-		sudocmd /usr/sbin/slackpkg update
+		sudocmd /usr/sbin/slackpkg -batch=on update
 		;;
 	deepsolver-rpm)
 		sudocmd ds-update