x11-autologin: factor out x11-autostart

features.in/x11-autologin/config.mk

-use/x11-autologin:
+use/x11-autologin: use/x11-autostart
 	@$(call add_feature)
 	@$(call add,THE_PACKAGES,shadow-groups)	# gpasswd

features.in/x11-autologin/rootfs/image-scripts.d/40-x11-autologin

@@ -39,13 +39,6 @@ restore_later() {
 	chmod +x "$hook"
 }
 
-## setup runlevel
-INITTAB=/etc/inittab
-if [ -f "$INITTAB" ]; then
-	[ -z "$runlevel" ] && runlevel=5
-	sed -i "s,^\(id:\)\(.*\)\(:initdefault.*\),\\1$runlevel\\3," "$INITTAB"
-fi
-
 ## autologin^2
 AUTOLOGIN_CFG=/etc/sysconfig/autologin
 if [ -x /usr/sbin/autologin ]; then

features.in/x11-autostart/README

+Эта фича добавляет в формируемый пользовательский корень
+(как правило, live) функцию автоматического запуска
+графической сессии; обратите внимание, что автоматическим
+входом после запуска графики занимается соседняя фича
+x11-autologin.

features.in/x11-autostart/config.mk

+use/x11-autostart: use/x11
+	@$(call add_feature)
+	@$(call add,BASE_PACKAGES,installer-feature-runlevel5-stage3)	###

features.in/x11-autostart/rootfs/image-scripts.d/40-x11-autostart

+#!/bin/sh
+
+if [ ! -x /usr/bin/X ]; then
+	echo "SKIP autostart: X not installed" >&2
+	exit 0
+fi
+
+## setup automated graphical session startup
+INITTAB=/etc/inittab
+if [ -f "$INITTAB" ]; then
+	[ -z "$runlevel" ] && runlevel=5
+	sed -i "s,^\(id:\)\(.*\)\(:initdefault.*\),\\1$runlevel\\3," "$INITTAB"
+fi
+
+## ...and systemd, if any
+rm -f /etc/systemd/system/default.target
+
+:

features.in/x11/config.mk

@@ -44,26 +44,22 @@ use/x11/fglrx: use/x11
 use/x11/wacom: use/x11
 	@$(call add,THE_PACKAGES,xorg-drv-wacom xorg-drv-wizardpen)
 
-### strictly speaking, runlevel5 should require a *dm, not vice versa
-use/x11/runlevel5: use/x11/xorg
-	@$(call add,THE_PACKAGES,installer-feature-runlevel5-stage3)
-
 ### xdm: see also #23108
-use/x11/xdm: use/x11/runlevel5
+use/x11/xdm: use/x11-autostart
 	@$(call add,THE_PACKAGES,xdm installer-feature-no-xconsole-stage3)
 
 ### : some set()-like thing might be better?
 use/x11/lightdm/gtk use/x11/lightdm/qt use/x11/lightdm/razorqt \
-	use/x11/lightdm/kde: use/x11/lightdm/%: use/x11/runlevel5
+	use/x11/lightdm/kde: use/x11/lightdm/%: use/x11-autostart
 	@$(call add,THE_PACKAGES,lightdm-$*-greeter)
 
-use/x11/kdm: use/x11/runlevel5
+use/x11/kdm: use/x11-autostart
 	@$(call add,THE_PACKAGES,kdebase-kdm<4)
 
-use/x11/kdm4: use/x11/runlevel5
+use/x11/kdm4: use/x11-autostart
 	@$(call add,THE_PACKAGES,kde4base-workspace-kdm)
 
-use/x11/gdm2.20: use/x11/runlevel5
+use/x11/gdm2.20: use/x11-autostart
 	@$(call add,THE_PACKAGES,gdm2.20)
 
 use/x11/icewm: use/x11