initial control feature

TODO--, and this one was pretty expected
after the "invention" of iterators.

features.in/control/README

@@ -0,0 +1,2 @@
+Эта фича предоставляет интерфейс для конфигурирования дистрибутивных
+значений по умолчанию control(8); см. тж. http://altlinux.org/control

features.in/control/config.mk

@@ -0,0 +1,8 @@
+use/control:
+	@$(call add_feature)
+	@$(call add,THE_PACKAGES,control)
+	@$(call xport,CONTROL)
+
+# some presets
+use/control/sudo-su:
+	@$(call add,CONTROL,su:public sudo:public)

features.in/control/rootfs/image-scripts.d/50-control

@@ -0,0 +1,11 @@
+#!/bin/sh
+# setup control(8) states
+
+[ -z "$GLOBAL_CONTROL" ] ||
+	echo "$GLOBAL_CONTROL" \
+	| tr ' ' '\n' \
+	| while IFS=':' read facility state; do
+		[ -z "$facility" -o -z "$state" ] ||
+			control "$facility" "$state"
+	done
+: