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init: adjust boot scripts and default runlevels

--- a/initramfs-init.in

+++ b/initramfs-init.in

@@ -122,6 +122,12 @@

 	eend 0

 }

+#  add a boot service to $sysroot

+rc_add() {

+	mkdir -p $sysroot/etc/runlevels/$2

+	ln -sf /etc/init.d/$1 $sysroot/etc/runlevels/$2/$1

+}

+

 # gotta start from somewhere :)

 echo "Alpine Init $VERSION"

@@ -170,7 +176,7 @@

 # setup /dev

 ebegin "Starting mdev"

-mount -t tmpfs -o exec,nosuid,mode=0755 mdev /dev

+mount -t tmpfs -o exec,nosuid,mode=0755,size=1M mdev /dev

 ln -s sr0 /dev/cdrom

 echo "/sbin/mdev" > /proc/sys/kernel/hotplug

 mdev -s

@@ -278,18 +284,25 @@

 	pkgs="$pkgs $(cat $sysroot/var/lib/apk/world 2>/dev/null)"

 else

 	# add some boot services by default

-	mkdir -p $sysroot/etc/runlevels/boot

-	ln -s /etc/init.d/hwclock $sysroot/etc/runlevels/boot/hwclock

-	ln -s /etc/init.d/modloop $sysroot/etc/runlevels/boot/modloop

-	ln -s /etc/init.d/hwdrivers $sysroot/etc/runlevels/boot/hwdrivers

-	ln -s /etc/init.d/sysctl $sysroot/etc/runlevels/boot/sysctl

-	ln -s /etc/init.d/syslog $sysroot/etc/runlevels/boot/syslog

+	rc_add defvs sysinit

+	rc_add dmesg sysinit

+	rc_add mdev sysinit

+

+	rc_add hwclock boot

+	rc_add modules boot

+	rc_add sysctl boot

+	rc_add hostname boot

+	rc_add bootmisc boot

+	rc_add syslog boot

+	

+	rc_add mount-ro shutdown

+	rc_add killprocs shutdown

+	rc_add savecache shutdown

 fi

-# incase we upgraed we might need those:

-mkdir -p $sysroot/etc/runlevels/boot

-ln -s /etc/init.d/modloop $sysroot/etc/runlevels/boot/modloop

-ln -s /etc/init.d/hwdrivers $sysroot/etc/runlevels/boot/hwdrivers

+# in case we upgrade we might need those:

+rc_add hwdrivers sysinit

+rc_add modloop sysinit

 # hack so we get openrc

 pkgs="$pkgs alpine-base"