path: root/main/mkinitfs/git.patch

diff --git a/Makefile b/Makefile
index aaa553e..a62c294 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ sysconfdir	?= /etc/mkinitfs
 datarootdir	?= /usr/share
 datadir		?= $(datarootdir)/mkinitfs
 
-SBIN_FILES	:= mkinitfs bootchartd
+SBIN_FILES	:= mkinitfs bootchartd nlplug-findfs
 SHARE_FILES	:= initramfs-init fstab passwd group
 CONF_FILES	:= mkinitfs.conf \
 		features.d/ata.modules \
@@ -32,6 +32,7 @@ CONF_FILES	:= mkinitfs.conf \
 		features.d/network.files \
 		features.d/network.modules \
 		features.d/ocfs2.modules \
+		features.d/raid.files\
 		features.d/raid.modules \
 		features.d/reiserfs.modules \
 		features.d/scsi.modules \
@@ -41,7 +42,7 @@ CONF_FILES	:= mkinitfs.conf \
 		features.d/virtio.modules \
 		features.d/xfs.modules
 
-SCRIPTS		:= $(SBIN_FILES) initramfs-init
+SCRIPTS		:= mkinitfs bootchartd initramfs-init
 IN_FILES	:= $(addsuffix .in,$(SCRIPTS))
 
 GIT_REV := $(shell test -d .git && git describe || echo exported)
@@ -62,7 +63,8 @@ SED_REPLACE	:= -e 's:@VERSION@:$(FULL_VERSION):g' \
 		-e 's:@datadir@:$(datadir):g'
 
 
-all:	$(SCRIPTS)
+
+all:	$(SBIN_FILES) $(SCRIPTS)
 
 clean:
 	rm -f $(SCRIPTS)
@@ -71,6 +73,24 @@ help:
 	@echo mkinitfs $(VERSION)
 	@echo "usage: make install [DESTDIR=]"
 
+CFLAGS ?= -Wall -Werror -g
+CFLAGS += -D_GNU_SOURCE -DDEBUG
+
+PKGCONF		?= pkg-config
+BLKID_CFLAGS	:= $(shell $(PKGCONF) --cflags blkid)
+BLKID_LIBS	:= $(shell $(PKGCONF) --libs blkid)
+LIBKMOD_CFLAGS	:= $(shell $(PKGCONF) --cflags libkmod)
+LIBKMOD_LIBS	:= $(shell $(PKGCONF) --libs libkmod)
+
+CFLAGS		+= $(BLKID_CFLAGS) $(LIBKMOD_CFLAGS)
+LIBS		= $(BLKID_LIBS) $(LIBKMOD_LIBS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -o $@ -c $<
+
+nlplug-findfs: nlplug-findfs.o
+	$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
+
 .SUFFIXES:	.in
 .in:
 	${SED} ${SED_REPLACE} ${SED_EXTRA} $< > $@
diff --git a/arg.h b/arg.h
new file mode 100644
index 0000000..92a313f
--- /dev/null
+++ b/arg.h
@@ -0,0 +1,39 @@
+/*
+ * Copy me if you can.
+ * by 20h
+ */
+
+#ifndef __ARG_H__
+#define __ARG_H__
+
+#define USED(x) ((void)(x))
+
+#define ARGBEGIN	for (argv++, argc--;\
+					argv[0] && argv[0][1]\
+					&& argv[0][0] == '-';\
+					argc--, argv++) {\
+				char _argc;\
+				char **_argv;\
+				if (argv[0][1] == '-' && argv[0][2] == '\0') {\
+					argv++;\
+					argc--;\
+					break;\
+				}\
+				for (argv[0]++, _argv = argv; argv[0][0];\
+						argv[0]++) {\
+					if (_argv != argv)\
+						break;\
+					_argc = argv[0][0];\
+					switch (_argc)
+
+#define ARGEND			}\
+				USED(_argc);\
+			}\
+			USED(argv);\
+			USED(argc);
+
+#define EARGF(x)	((argv[1] == NULL)? ((x), abort(), (char *)0) :\
+			(argc--, argv++, argv[0]))
+
+#endif
+
diff --git a/bootchartd.in b/bootchartd.in
index c4daa35..55a0883 100755
--- a/bootchartd.in
+++ b/bootchartd.in
@@ -46,7 +46,7 @@ do_logging()
 	# Enable process accounting if configured
 	if [ "$PROCESS_ACCOUNTING" = "yes" ]; then
 		[ -e kernel_pacct ] || : > kernel_pacct
-		accton kernel_pacct
+		accton kernel_pacct > /dev/null
 	fi
 
 	# open file descriptors
@@ -98,7 +98,7 @@ do_logging()
 		i=$(($i + 1))
 	done
 
-	[ -e kernel_pacct ] && accton
+	[ -e kernel_pacct ] && accton off > /dev/null
 }
 
 # Stop the boot logger.  The lock file is removed to force the loggers in
@@ -151,19 +151,18 @@ finalize()
 
 	# Package log files
 	tar -zcf "$BOOTLOG_DEST" header $pacct *.log
-	rm "$LOGDIR"/*
-	rmdir "$LOGDIR"
+	rm -rf "$LOGDIR"
 }
 
 case "$1" in
 start-initfs)
 	NEWROOT="$2"
+	mkdir -p "$LOGDIR"
 	(
 		cleanup=true
 		trap "not_stop_logging=false" USR1
 		trap "cleanup=false; not_stop_logging=false" USR2
 
-		mkdir "$LOGDIR"
 		cd "$LOGDIR"
 		do_logging
 		if $cleanup; then
@@ -171,18 +170,16 @@ start-initfs)
 			finalize
 		fi
 	) &
-	echo $! > $LOGDIR/bootchart.pid
+	echo $! > "$LOGDIR"/bootchart.pid
 	;;
 stop-initfs)
 	NEWROOT="$2"
-
-	cd "$LOGDIR"
-	mkdir "$NEWROOT$LOGDIR"
-	cp /sbin/bootchartd $NEWROOT/sbin
-	PID=`cat bootchart.pid`
+	[ -x "$NEWROOT"/sbin/bootchartd ] || cp -a /sbin/bootchartd "$NEWROOT"/sbin
+	rm -rf "$NEWROOT/$LOGDIR"
+	PID=$(cat "$LOGDIR"/bootchart.pid)
 	kill -USR2 $PID
 	wait $PID
-	mv * "$NEWROOT$LOGDIR"
+	mv "$LOGDIR" "$NEWROOT"
 	;;
 start-rootfs)
 	(
diff --git a/features.d/base.files b/features.d/base.files
index 7dd36e5..23718cb 100644
--- a/features.d/base.files
+++ b/features.d/base.files
@@ -4,3 +4,4 @@
 /sbin/apk
 /etc/modprobe.d/*.conf
 /etc/mdev.conf
+/sbin/nlplug-findfs
diff --git a/features.d/bootchart.files b/features.d/bootchart.files
index 8adf4df..6f28294 100644
--- a/features.d/bootchart.files
+++ b/features.d/bootchart.files
@@ -1,3 +1,4 @@
+/sbin/bootchartd
 /usr/bin/ac
 /usr/bin/last
 /usr/bin/lastcomm
@@ -5,4 +6,3 @@
 /usr/sbin/dump-acct
 /usr/sbin/accton
 /usr/sbin/sa
-
diff --git a/features.d/lvm.modules b/features.d/lvm.modules
index 92f0721..3af8ef9 100644
--- a/features.d/lvm.modules
+++ b/features.d/lvm.modules
@@ -1 +1,2 @@
 kernel/drivers/md/dm-mod.ko
+kernel/drivers/md/dm-snapshot.ko
diff --git a/features.d/raid.files b/features.d/raid.files
new file mode 100644
index 0000000..c393dc4
--- /dev/null
+++ b/features.d/raid.files
@@ -0,0 +1,2 @@
+/etc/mdadm.conf
+/sbin/mdadm
diff --git a/features.d/virtio.modules b/features.d/virtio.modules
index fa74c10..b0e6c22 100644
--- a/features.d/virtio.modules
+++ b/features.d/virtio.modules
@@ -1,2 +1,3 @@
 kernel/drivers/block/virtio*
 kernel/drivers/virtio
+kernel/drivers/net/virtio_net*
diff --git a/initramfs-init.in b/initramfs-init.in
index 934fe92..0834175 100755
--- a/initramfs-init.in
+++ b/initramfs-init.in
@@ -7,7 +7,7 @@ sysroot=/sysroot
 splashfile=/.splash.ctrl
 
 /bin/busybox mkdir -p /usr/bin /usr/sbin /proc /sys /dev $sysroot \
-	/media/cdrom /media/usb /tmp
+	/media/cdrom /media/usb /tmp /run
 /bin/busybox --install -s
 
 # basic environment
@@ -42,30 +42,6 @@ eend() {
 	fi
 }
 
-scan_drivers() {
-	if [ "$KOPT_autodetect" != no ] ; then
-		find /sys -name modalias | xargs sort -u | xargs modprobe -a 2> /dev/null
-	fi
-}
-
-find_ovl() {
-	local mnt="$1"
-
-	if [ -n "$APKOVL" ]; then
-		[ -f "$mnt/$APKOVL" ] && echo "$mnt/$APKOVL"
-		return
-	fi
-
-	# look for apkovl's on mounted media
-	set -- "$mnt"/*.apkovl.tar.gz*
-
-	if [ $# -gt 1 ] ; then
-		echo "ERROR: More than one apkovl file was found on $(basename $mnt). None will be read." >&2
-		return 1
-	fi
-	echo "$1"
-}
-
 retry_mount() {
 	# usb might need some time to settle so we retry a few times
 	for i in $(seq 0 9); do
@@ -87,7 +63,6 @@ unpack_apkovl() {
 	fi
 
 	# we need openssl. let apk handle deps
-	find_boot_repositories > /tmp/repositories
 	apk add --quiet --initdb --repositories-file /tmp/repositories openssl\
 		|| return 1
 
@@ -136,66 +111,12 @@ find_mnt() {
 	MNTOPTS=
 }
 
-# Wait for usb to settle
-wait_usb() {
-	if [ -n "$USB_DONE" ] || ! dmesg | grep '^usb-storage: waiting' >/dev/null; then
-		return 0
-	fi
-	ebegin "Waiting for USB device to settle"
-	while ! dmesg | grep 'usb-storage: device scan complete' >/dev/null; do
-		sleep 1
-	done
-	USB_DONE=yes
-	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
 }
 
-find_ovl_blkdev() {
-	local fsmoddir=/lib/modules/$(uname -r)/kernel/fs
-	blkid | while read line; do
-		mod=
-		UUID=
-		TYPE=
-		dev=${line%%: *}
-		eval ${line#$dev:}
-		for i in $fsmoddir/$TYPE.ko $fsmoddir/*/$TYPE.ko; do
-			[ -f $fsmoddir/*/$TYPE.ko ] && mod=$i && break
-		done
-		[ -n "$mod" ] || continue
-		mnt=/media/${UUID:-${dev##*/}}
-		mkdir -p "$mnt"
-		mount -o ro -t "$TYPE" "$dev" "$mnt" 2>/dev/null || continue
-		ovl=$(find_ovl "$mnt")
-		if [ -f "$ovl" ]; then
-			echo "$ovl"
-			break
-		fi
-		umount "$mnt"
-	done
-}
-
-# we have issues with some slow usb 1 hosts so we add 1 second delay
-# with possibility to increase delay at boot prompt with usbdelay=<sec>
-find_ovl_delayed_usb() {
-	local n i
-	# look for apkovl
-	for n in $(seq 0 ${KOPT_usbdelay:-1}); do
-		# wait for usb to settle if needed
-		wait_usb
-		ovl=$(find_ovl_blkdev)
-		if [ -f "$ovl" ]; then
-			ovl_unmount="${ovl%/*}"
-			return
-		fi
-		sleep 1
-	done
-}
-
 setup_inittab_console(){
 	while [ $# -gt 0 ]; do
 		local tty=${1%,*}
@@ -225,44 +146,6 @@ setup_inittab_console(){
 	done
 }
 
-start_raid() {
-	local n= i=
-	case "$KOPT_root" in
-		/dev/md*) n=${KOPT_root#/dev/md} ;;
-	esac
-	case "$KOPT_autoraid" in
-		[0-9]*) n="$n $(echo $KOPT_autoraid | tr ',' ' ')" ;;
-	esac
-	# if kernel can autostart the raid he will
-	for i in $n; do
-		mknod /dev/md$i b 9 $i
-		raidautorun /dev/md$i
-	done
-	# kernel cannot autostart newer versions of mdadm metadata
-	# so we also check if mdadm binary is there
-	if [ -x /sbin/mdadm ]; then
-		mdadm --assemble --scan
-	fi
-}
-
-# start cryptsetup if exists
-start_cryptsetup() {
-	[ -x /sbin/cryptsetup ] || return
-	modprobe dm-crypt
-	if [ -n "$KOPT_cryptroot" ]; then
-		modprobe dm-crypt
-		cryptsetup luksOpen $(resolve_dev "$KOPT_cryptroot") "$KOPT_cryptdm"
-	fi
-}
-
-# start lvm if exists
-start_lvm() {
-	[ -x /sbin/lvm ] || return
-	modprobe dm-mod
-	lvm vgscan --mknodes --ignorelockingfailure >/dev/null 2>&1
-	lvm vgchange --ignorelockingfailure -a y >/dev/null 2>&1
-}
-
 # determine the default interface to use if ip=dhcp is set
 # uses the first "eth" interface.
 ip_choose_if() {
@@ -332,10 +215,6 @@ configure_ip() {
 		ip_set "$device" "$client_ip" "$netmask" "$gw_ip"
 		eend $?
 	fi
-	MAC_ADDRESS=$(cat /sys/class/net/$device/address)
-	MACHINE_UUID=$(cat /sys/class/dmi/id/product_uuid)
-	OVL_DEV="${OVL_DEV/{MAC\}/$MAC_ADDRESS}"
-	OVL_DEV="${OVL_DEV/{UUID\}/$MACHINE_UUID}"
 }
 
 # resolve an uuid or symlink to the real device
@@ -346,37 +225,23 @@ resolve_dev() {
 	esac
 }
 
-# relocate ALPINE_MNT according given fstab
-relocate_alpine_mnt() {
-	local fstab="$1"
-	local mnt=$(find_mnt $ALPINE_DEV $fstab)
-	if [ -n "$mnt" ] && [ "$ALPINE_MNT" != "$mnt" ]; then
+# relocate mountpoint according given fstab
+relocate_mount() {
+	local dir="${1%%/}"
+	local fstab="$2"
+	local mnt=$(find_mnt $dir $fstab)
+	if [ -n "$mnt" ] && [ "$dir" != "$mnt" ]; then
 		mkdir -p "$mnt"
-		mount -o move $ALPINE_MNT $mnt
-		ALPINE_MNT=$mnt
+		mount -o move "$dir" "$mnt"
 	fi
 }
 
-# detect filesystem type on given device/UUID
-find_fs_type() {
-	local dev=$(findfs $1)
-	local i=
-	for i in $(blkid $dev); do
-		case $i in
-		TYPE=*) eval "$i"
-			echo $TYPE
-			return
-			;;
-		esac
-	done
-}
-
 # find the dirs under ALPINE_MNT that are boot repositories
 find_boot_repositories() {
 	if [ -n "$ALPINE_REPO" ]; then
 		echo "$ALPINE_REPO"
 	else
-		find $ALPINE_MNT -name .boot_repository -type f -maxdepth 3 \
+		find /media/* -name .boot_repository -type f -maxdepth 3 \
 			| sed 's:/.boot_repository$::'
 	fi
 }
@@ -438,63 +303,14 @@ if [ "$KOPT_dma" = no ]; then
 	modprobe libata dma=0
 fi
 
-ALPINE_DEV=${KOPT_alpine_dev%%:*}
-ALPINE_DEV_FS=${KOPT_alpine_dev##*:}
-if [ "$ALPINE_DEV_FS" = "$ALPINE_DEV" ]; then
-	unset ALPINE_DEV_FS
-fi
-
-# /dev/blah:ext3
-if [ -n "$KOPT_ovl_dev" ] ; then
-	OVL_DEV=${KOPT_ovl_dev%%:*}
-	OVL_DEV_FS=${KOPT_ovl_dev##*:}
-	if [ "$OVL_DEV_FS" = "$OVL_DEV" ]; then
-		unset OVL_DEV_FS
-	fi
-fi
-
-# http://.../blah.apkovl.tar.gz
-case "$KOPT_apkovl" in
-	http://*|https://|ftp://*)
-		OVL_DEV="$KOPT_apkovl";;
-	*:*:*)	# apkovl=sda1:ext4:/subdir/host.apkovl.tar.gz
-		OVL_DEV="${KOPT_apkovl%%:*}"
-		OVL_DEV_FS="${KOPT_apkovl%:*}"
-		OVL_DEV_FS="${OVL_DEV_FS#*:}"
-		APKOVL="${KOPT_apkovl##*:}"
-		;;
-	*:*)	# apkovl=sda1:/subdir/host.apkovl.tar.gz
-		OVL_DEV=${KOPT_apkovl%%:*}
-		APKOVL=${KOPT_apkovl##*:}
-		;;
-	*)	# apkovl=subdir/host.apkovl.tar.gz
-		APKOVL="${KOPT_apkovl}"
-		;;
-esac
-
-case "$ALPINE_DEV" in
-	UUID=*|LABEL=*) ;;
-	nfs)
-		# nfs:IP:EXPORT
-		ALPINE_DEV_FS="$ALPINE_DEV"
-		ALPINE_DEV="${KOPT_alpine_dev:4}"
-		;;
-	*) ALPINE_DEV=/dev/$ALPINE_DEV ;;
-esac
-
 # The following values are supported:
 #   alpine_repo=auto         -- default, search for .boot_repository
 #   alpine_repo=http://...   -- network repository
 ALPINE_REPO=${KOPT_alpine_repo}
 [ "$ALPINE_REPO" = "auto" ] && ALPINE_REPO=
 
-# look for standard mountpoint locations
-ALPINE_MNT=$(find_mnt $ALPINE_DEV /etc/fstab)
-[ -z "$ALPINE_MNT" ] && [ "$ALPINE_DEV_FS" = nfs ] && ALPINE_MNT=/media/alpine
-[ -z "$ALPINE_MNT" ] && ALPINE_MNT=/media/${ALPINE_DEV##*/}
-
 # hide kernel messages
-[ "$KOPT_quiet" = yes ] && dmesg -n 1
+#[ "$KOPT_quiet" = yes ] && dmesg -n 1
 
 # optional blacklist
 for i in ${KOPT_blacklist/,/ }; do
@@ -502,12 +318,8 @@ for i in ${KOPT_blacklist/,/ }; do
 done
 
 # setup /dev
-ebegin "Starting mdev"
 mount -t devtmpfs -o exec,nosuid,mode=0755,size=2M devtmpfs /dev 2>/dev/null \
 	|| mount -t tmpfs -o exec,nosuid,mode=0755,size=2M tmpfs /dev
-echo "/sbin/mdev" > /proc/sys/kernel/hotplug
-mdev -s
-RC=$?
 [ -d /dev/pts ] || mkdir -m 755 /dev/pts
 [ -c /dev/ptmx ] || mknod -m 666 /dev/ptmx c 5 2
 # make sure /dev/null is setup correctly
@@ -516,7 +328,6 @@ RC=$?
 mount -t devpts -o gid=5,mode=0620,noexec,nosuid devpts /dev/pts
 [ -d /dev/shm ] || mkdir /dev/shm
 mount -t tmpfs -o nodev,nosuid,noexec shm /dev/shm
-eend $RC
 
 # load available drivers to get access to modloop media
 ebegin "Loading boot drivers"
@@ -528,34 +339,36 @@ if [ -f /etc/modules ] ; then
 		modprobe -q $module $args
 	done
 fi
-scan_drivers
-scan_drivers
 eend 0
 
+if [ -n "$KOPT_cryptroot" ]; then
+	cryptopts="-c ${KOPT_cryptroot}"
+	if [ -n "$KOPT_cryptdm" ]; then
+		cryptopts="$cryptopts -m ${KOPT_cryptdm}"
+	fi
+fi
+
 # check if root=... was set
 if [ -n "$KOPT_root" ]; then
 	if [ "$SINGLEMODE" = "yes" ]; then
 		echo "Entering single mode. Type 'exit' to continue booting."
 		sh
 	fi
-	# let usb settle in case we boot from usb disks
-	[ -n "$KOPT_usbdelay" ] && sleep "$KOPT_usbdelay"
-	wait_usb
-	start=${KOPT_alpine_start:-raid,cryptsetup,lvm}
-	for i in ${start//,/ }; do
-		start_$i
-	done
+
 	ebegin "Mounting root"
 	if [ "$KOPT_overlaytmpfs" = "yes" ]; then
-		mkdir -p /media/root-ro /media/root-rw $sysroot/media/root-ro $sysroot/media/root-rw
-		retry_mount -o ro $KOPT_root /media/root-ro 2>/dev/null
+		mkdir -p /media/root-ro /media/root-rw $sysroot/media/root-ro \
+			$sysroot/media/root-rw
+		nlplug-findfs $cryptopts -p /sbin/mdev $KOPT_root \
+			&& mount -o ro $KOPT_root /media/root-ro
 		mount -t tmpfs root-tmpfs /media/root-rw
 		mkdir -p /media/root-rw/work /media/root-rw/root
 		mount -t overlay -o lowerdir=/media/root-ro,upperdir=/media/root-rw/root,workdir=/media/root-rw/work overlayfs $sysroot
 	else
-		retry_mount ${KOPT_rootfstype:+-t} ${KOPT_rootfstype} \
+		nlplug-findfs $cryptopts -p /sbin/mdev $KOPT_root
+		mount ${KOPT_rootfstype:+-t} ${KOPT_rootfstype} \
 			-o ${KOPT_rootflags:-ro} \
-			$KOPT_root $sysroot 2>/dev/null
+			$KOPT_root $sysroot
 	fi
 
 	eend $?
@@ -571,35 +384,11 @@ if [ -n "$KOPT_root" ]; then
 	exec /bin/busybox sh
 fi
 
-# we only want to wait for usb if really needed at this point
-if [ -z "${ALPINE_DEV##*usb*}" ]; then
-	wait_usb
-fi
-
-# IP. This shouldn't be needed if root= is set.
-configure_ip
-
-# incase we have alpine_dev on raid device...
-start=${KOPT_alpine_start:-raid,cryptsetup,lvm}
-for i in ${start//,/ }; do
-	start_$i
-done
-
 # locate boot media and mount it
 ebegin "Mounting boot media"
-mkdir -p $ALPINE_MNT
-
-# try detect the filesystem
-if [ -z "$ALPINE_DEV_FS" ]; then
-	ALPINE_DEV_FS=$(find_fs_type $ALPINE_DEV)
-fi
-
-if [ -n "$ALPINE_DEV_FS" ]; then
-	mount_opts="-t $ALPINE_DEV_FS"
-	[ "$ALPINE_DEV_FS" = "nfs" ] && mount_opts="$mount_opts -o nolock"
-fi
-
-retry_mount -o ro $mount_opts $ALPINE_DEV $ALPINE_MNT >/dev/null 2>&1
+nlplug-findfs $cryptopts -p /sbin/mdev ${KOPT_debug_init:+-d} \
+	${KOPT_usbdelay:+-t $(( $KOPT_usbdelay * 1000 ))} \
+	-b /tmp/repositories -a /tmp/apkovls
 eend $?
 
 # early console?
@@ -620,27 +409,24 @@ fi
 
 mount -t tmpfs -o $rootflags tmpfs $sysroot
 
-case "$OVL_DEV" in
+case "$KOPT_apkovl" in
 	'')
-		ovl=$(find_ovl $ALPINE_MNT)
-		if ! [ -f "$ovl" ]; then
-			find_ovl_delayed_usb
+		if [ -e /tmp/apkovls ]; then
+			ovl=$(head -n 1 /tmp/apkovls)
 		fi
 		;;
 	http://*|https://*|ftp://*)
-		ovl=/tmp/boot.apkovl.tar.gz
-		wget -O "$ovl" "$OVL_DEV" || ovl=
+		configure_ip
+
+		MAC_ADDRESS=$(cat /sys/class/net/$device/address)
+		MACHINE_UUID=$(cat /sys/class/dmi/id/product_uuid)
+		url="${KOPT_apkovl/{MAC\}/$MAC_ADDRESS}"
+		url="${url/{UUID\}/$MACHINE_UUID}"
+		ovl=/tmp/${url##*/}
+		wget -O "$ovl" "$url" || ovl=
 		;;
 	*)
-		mkdir -p /media/$OVL_DEV
-		unset mount_opts
-		if [ -n "$OVL_DEV_FS" ]; then
-			mount_opts="-t $OVL_DEV_FS"
-		fi
-
-		retry_mount -o ro $mount_opts /dev/$OVL_DEV /media/$OVL_DEV \
-			>/dev/null 2>&1
-		ovl=$(find_ovl /media/$OVL_DEV)
+		ovl="$KOPT_apkovl"
 		;;
 esac
 
@@ -660,26 +446,16 @@ if [ -f "$ovl" ]; then
 	eend $? $errstr || ovlfiles=
 	# hack, incase /root/.ssh was included in apkovl
 	[ -d "$sysroot/root" ] && chmod 700 "$sysroot/root"
-	pkgs="$pkgs $(sed 's/\#.*//' $sysroot/etc/lbu/packages.list 2>/dev/null)"
-	pkgs="$pkgs $(cat $sysroot/var/lib/apk/world \
-		$sysroot/etc/apk/world 2>/dev/null)"
-	# clean up after upgrade
-	rm -f $sysroot/etc/lbu/packages.list \
-		$sysroot/var/lib/apk/world
-
-	# fix up inittab from pre openrc times (alpine v1.8)
-	if [ -f "$sysroot"/etc/inittab ]; then
-		sed -i -e 's|:/etc/init.d/rcS|:/sbin/rc sysinit|' \
-			-e 's|:/etc/init.d/rcL|:/sbin/rc default|' \
-			-e 's|:/etc/init.d/rcK|:/sbin/rc shutdown|' \
-			"$sysroot"/etc/inittab
-	fi
+	pkgs="$pkgs $(cat $sysroot/etc/apk/world 2>/dev/null)"
 fi
+
 if [ -f "$sysroot/etc/.default_boot_services" -o ! -f "$ovl" ]; then
 	# add some boot services by default
 	rc_add devfs sysinit
 	rc_add dmesg sysinit
 	rc_add mdev sysinit
+	rc_add hwdrivers sysinit
+	rc_add modloop sysinit
 
 	rc_add hwclock boot
 	rc_add modules boot
@@ -695,17 +471,24 @@ if [ -f "$sysroot/etc/.default_boot_services" -o ! -f "$ovl" ]; then
 	rm -f "$sysroot/etc/.default_boot_services"
 fi
 
-if [ "$KOPT_splash" != "no" -a -e $ALPINE_MNT/fbsplash.ppm ]; then
+if [ "$KOPT_splash" != "no" ]; then
+	for fbsplash in /media/*/fbsplash.ppm; do
+		if [ -e "$fbsplash" ]; then
+			break;
+		fi
+	done
+fi
+
+if [ -n "$fbsplash" ] && [ -e "$fbsplash" ]; then
 	local config
-	ebegin "Starting bootsplash (from $ALPINE_MNT)"
+	ebegin "Starting bootsplash"
 	mkfifo $sysroot/$splashfile
-	if [ -e $ALPINE_MNT/fbsplash.cfg ]; then
-		config=$ALPINE_MNT/fbsplash.cfg
-	else
+	config="${fbsplash%.*}.cfg"
+	if ! [ -e "$config" ]; then
 		config=/tmp/fbsplash.cfg
 		echo "IMAGE_ALIGN=CM" > $config
 	fi
-	setsid fbsplash -T 16 -s $ALPINE_MNT/fbsplash.ppm -i $config -f $sysroot/$splashfile &
+	setsid fbsplash -T 16 -s "$fbsplash" -i $config -f $sysroot/$splashfile &
 	eend 0
 else
 	KOPT_splash="no"
@@ -723,13 +506,13 @@ if [ -f $sysroot/etc/fstab ]; then
 	# move the ALPINE_MNT if ALPINE_DEV is specified in users fstab
 	# this is so a generated /etc/apk/repositories will use correct
 	# mount dir
-	relocate_alpine_mnt "$sysroot"/etc/fstab
-fi
-
-# in case we upgrade we might need those:
-rc_add hwdrivers sysinit
-rc_add modloop sysinit
 
+	if [ -e /tmp/repositores ]; then
+		cut -d/ -f1-3 < /tmp/repositories | while read dir; do
+			relocate_mount "$dir" "$sysroot"/etc/fstab
+		done
+	fi
+fi
 
 # hack so we get openrc
 pkgs="$pkgs alpine-base"
@@ -776,11 +559,16 @@ if [ "$KOPT_keep_apk_new" != yes ]; then
 	apkflags="$apkflags --clean-protected"
 	[ -n "$ovlfiles" ] && apkflags="$apkflags --overlay-from-stdin"
 fi
+mkdir -p $sysroot/sys $sysroot/proc $sysroot/dev
+mount -o bind /sys $sysroot/sys
+mount -o bind /proc $sysroot/proc
+mount -o bind /dev $sysroot/dev
 if [ -n "$ovlfiles" ]; then
 	apk add --root $sysroot $repo_opt $apkflags $pkgs <$ovlfiles
 else
 	apk add --root $sysroot $repo_opt $apkflags $pkgs
 fi
+umount $sysroot/sys $sysroot/proc $sysroot/dev
 eend $?
 
 # unmount ovl mount if needed
@@ -788,9 +576,11 @@ if [ -n "$ovl_unmount" ]; then
 	umount $ovl_unmount 2>/dev/null
 fi
 
-# remount ALPINE_MNT according default fstab from package
-if [ -z "$has_fstab" ] && [ -f "$sysroot"/etc/fstab ]; then
-	relocate_alpine_mnt "$sysroot"/etc/fstab
+# remount according default fstab from package
+if [ -z "$has_fstab" ] && [ -f "$sysroot"/etc/fstab ] && [ -f /tmp/repositories ]; then
+	cut -d/ -f1-3 < /tmp/repositories | while read dir; do
+		relocate_mount "$dir" "$sysroot"/etc/fstab
+	done
 fi
 
 # generate repositories if none exists. this needs to be done after relocation
@@ -810,10 +600,10 @@ fi
 setup_inittab_console $CONSOLE
 
 # copy alpine release info
-if ! [ -f "$sysroot"/etc/alpine-release ] && [ -f $ALPINE_MNT/.alpine-release ]; then
-	cp $ALPINE_MNT/.alpine-release $sysroot/
-	ln -sf /.alpine-release $sysroot/etc/alpine-release
-fi
+#if ! [ -f "$sysroot"/etc/alpine-release ] && [ -f $ALPINE_MNT/.alpine-release ]; then
+#	cp $ALPINE_MNT/.alpine-release $sysroot/
+#	ln -sf /.alpine-release $sysroot/etc/alpine-release
+#fi
 
 ! [ -f "$sysroot"/etc/resolv.conf ] && [ -f /etc/resolv.conf ] && \
   cp /etc/resolv.conf "$sysroot"/etc
diff --git a/mkinitfs.conf b/mkinitfs.conf
index 35cc96a..67a5444 100644
--- a/mkinitfs.conf
+++ b/mkinitfs.conf
@@ -1,2 +1,2 @@
 # run mkinitfs -L for a list of available features
-features="ata base bootchart cdrom cramfs ext2 ext3 ext4 floppy keymap kms raid scsi usb virtio"
+features="ata base cdrom ext2 ext3 ext4 keymap kms mmc raid scsi usb virtio"
diff --git a/mkinitfs.in b/mkinitfs.in
index 04dc99c..14c728f 100755
--- a/mkinitfs.in
+++ b/mkinitfs.in
@@ -36,7 +36,7 @@ feature_files() {
 
 initfs_base() {
 	local i= dirs= glob= file=
-	for i in dev proc sys sbin bin .modloop lib/modules media/cdrom \
+	for i in dev proc sys sbin bin run .modloop lib/modules media/cdrom \
 	    etc/apk media/floppy media/usb newroot; do
 		dirs="$dirs $tmpdir/$i"
 	done
@@ -115,6 +115,11 @@ initfs_kmods() {
 	for file in $(find_kmods); do
 		echo "${file#/}"
 	done | sort -u | cpio -pdm "$tmpdir" || return 1
+	for file in modules.order modules.builtin; do
+		if [ -f "$kerneldir"/$file ]; then
+			cp "$kerneldir"/$file "$tmpdir"/lib/modules/$kernel/
+		fi
+	done
 	depmod $kernel -b "$tmpdir"
 	cd "$oldpwd"
 }
@@ -179,7 +184,7 @@ done
 shift $(( $OPTIND - 1 ))
 
 . $(readlink -f "$config")
-features_dir=${features_dir:-"$sysconfdir/features.d"}
+features_dir=${features_dir:-"${basedir%/:-}/${sysconfdir#/}/features.d"}
 [ -n "$myfeatures" ] && features="$myfeatures"
 
 if [ -n "$list_features" ]; then
diff --git a/nlplug-findfs.c b/nlplug-findfs.c
new file mode 100644
index 0000000..f1a58fd
--- /dev/null
+++ b/nlplug-findfs.c
@@ -0,0 +1,779 @@
+
+/*
+ * Copy me if you can.
+ * by 20h
+ *
+ * Copyright (c) 2015 Natanael Copa <ncopa@alpinelinux.org>
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <dirent.h>
+#include <err.h>
+#include <errno.h>
+#include <glob.h>
+#include <limits.h>
+#include <poll.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/eventfd.h>
+#include <sys/mount.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/wait.h>
+
+#include <linux/netlink.h>
+
+#include <libkmod.h>
+#include <blkid.h>
+
+#include "arg.h"
+
+#define DEFAULT_EVENT_TIMEOUT	250
+#define USB_STORAGE_TIMEOUT	2000
+
+#define FOUND_DEVICE	0x1
+#define FOUND_BOOTREPO	0x2
+#define FOUND_APKOVL	0x4
+
+static int dodebug;
+char *argv0;
+
+#if defined(DEBUG)
+#include <stdarg.h>
+static void dbg(const char *fmt, ...)
+{
+	va_list fmtargs;
+	if (!dodebug)
+		return;
+
+	fprintf(stderr, "%s: ", argv0);
+	va_start(fmtargs, fmt);
+	vfprintf(stderr, fmt, fmtargs);
+	va_end(fmtargs);
+	fprintf(stderr, "\n");
+}
+#else
+#define dbg(...)
+#endif
+
+struct uevent {
+	char *buf;
+	size_t bufsize;
+	char *message;
+	char *subsystem;
+	char *action;
+	char *modalias;
+	char *devname;
+	char *major;
+	char *minor;
+	char *driver;
+	char devnode[256];
+};
+
+struct ueventconf {
+	char **program_argv;
+	char *search_device;
+	char *crypt_device;
+	char *crypt_name;
+	char *subsystem_filter;
+	int modalias_count;
+	int fork_count;
+	char *bootrepos;
+	char *apkovls;
+	int timeout;
+};
+
+
+static void sighandler(int sig)
+{
+	switch(sig) {
+	case SIGHUP:
+	case SIGINT:
+	case SIGQUIT:
+	case SIGABRT:
+	case SIGTERM:
+		exit(0);
+		break;
+	default:
+		break;
+	}
+}
+
+static void initsignals(void)
+{
+	signal(SIGHUP, sighandler);
+	signal(SIGINT, sighandler);
+	signal(SIGQUIT, sighandler);
+	signal(SIGABRT, sighandler);
+	signal(SIGTERM, sighandler);
+	signal(SIGPIPE, SIG_IGN);
+}
+
+static int init_netlink_socket(void)
+{
+	struct sockaddr_nl nls;
+	int fd, slen;
+
+	memset(&nls, 0, sizeof(nls));
+	nls.nl_family = AF_NETLINK;
+	nls.nl_pid = getpid();
+	nls.nl_groups = -1;
+
+	fd = socket(PF_NETLINK, SOCK_DGRAM | SOCK_NONBLOCK | SOCK_CLOEXEC,
+		    NETLINK_KOBJECT_UEVENT);
+	if (fd < 0)
+		err(1, "socket");
+
+	/* kernel will not create events bigger than 16kb, but we need
+	   buffer up all events during coldplug */
+	slen = 512*1024;
+	if (setsockopt(fd, SOL_SOCKET, SO_RCVBUFFORCE, &slen,
+				sizeof(slen)) < 0) {
+		err(1, "setsockopt");
+	}
+	slen = 1;
+	if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &slen,
+				sizeof(slen)) < 0) {
+		err(1, "setsockopt");
+	}
+
+	if (bind(fd, (void *)&nls, sizeof(nls)))
+		err(1, "bind");
+
+	return fd;
+}
+
+void run_child(char **argv)
+{
+	pid_t pid;
+
+	if (!(pid = fork())) {
+		dbg("running %s", argv[0]);
+		if (execv(argv[0], argv) < 0)
+			err(1, argv[0]);
+		exit(0);
+	}
+	if (pid < 0)
+		err(1,"fork");
+
+	waitpid(pid, NULL, 0);
+}
+
+
+int load_kmod(const char *modalias)
+{
+	static struct kmod_ctx *ctx = NULL;
+	struct kmod_list *list = NULL;
+	struct kmod_list *node;
+	int r, count=0;
+
+	if (ctx == NULL) {
+		dbg("initializing kmod");
+		ctx = kmod_new(NULL, NULL);
+		if (ctx == NULL)
+			return -1;
+		kmod_set_log_fn(ctx, NULL, NULL);
+		r = kmod_load_resources(ctx);
+	}
+
+	r = kmod_module_new_from_lookup(ctx, modalias, &list);
+	if (r < 0) {
+		dbg("alias '%s' lookup failure", modalias);
+		return r;
+	}
+
+	kmod_list_foreach(node, list) {
+		struct kmod_module *mod = kmod_module_get_module(node);
+		const char *fmt;
+		r = kmod_module_probe_insert_module(mod,
+						    KMOD_PROBE_APPLY_BLACKLIST,
+						    NULL, NULL, NULL, NULL);
+		if (r == 0) {
+			fmt = "module '%s' inserted";
+			count++;
+		} else if (r == KMOD_PROBE_APPLY_BLACKLIST) {
+			fmt = "module '%s' is blacklisted";
+		} else {
+			fmt = "module '%s' failed";
+		}
+		dbg(fmt, kmod_module_get_name(mod));
+		kmod_module_unref(mod);
+	}
+	kmod_module_unref_list(list);
+	return count;
+}
+
+void start_mdadm(char *devnode)
+{
+	char *mdadm_argv[] = {
+		"/sbin/mdadm",
+		"--incremental",
+		"--quiet",
+		devnode,
+		NULL
+	};
+	run_child(mdadm_argv);
+}
+
+void start_lvm2(char *devnode)
+{
+	char *lvm2_argv[] = {
+		"/sbin/lvm", "vgchange",
+		"--activate" , "ay", "--noudevsync", "--sysinit",
+		NULL
+	};
+	run_child(lvm2_argv);
+}
+
+void start_cryptsetup(char *devnode, char *cryptdm)
+{
+	char *cryptsetup_argv[] = {
+		"/sbin/cryptsetup", "luksOpen",
+		devnode, cryptdm ? cryptdm : "crypdm", NULL
+	};
+	load_kmod("dm-crypt");
+	run_child(cryptsetup_argv);
+}
+
+static int is_mounted(const char *devnode) {
+	char line[PATH_MAX];
+	FILE *f = fopen("/proc/mounts", "r");
+	int r = 0;
+	if (f == NULL)
+		return 0;
+	while (fgets(line, sizeof(line), f) != NULL) {
+		strtok(line, " ");
+		if (strcmp(devnode, line) == 0) {
+			r = 1;
+			break;
+		}
+	}
+	fclose(f);
+	return r;
+}
+
+struct recurse_opts {
+	const char *searchname;
+	void (*callback)(const char *, const void *);
+	void *userdata;
+};
+
+/* pathbuf needs hold PATH_MAX chars */
+void recurse_dir(char *pathbuf, struct recurse_opts *opts)
+{
+	DIR *d = opendir(pathbuf);
+	struct dirent *entry;
+
+	if (d == NULL)
+		return;
+
+	while ((entry = readdir(d)) != NULL) {
+		size_t pathlen = strlen(pathbuf);
+		size_t namelen = strlen(entry->d_name);
+		int is_dir;
+
+		/* d_type is not supported by all filesystems so we need
+		   lstat */
+		if (pathlen + 2 + namelen > PATH_MAX) {
+			dbg("path length overflow");
+			continue;
+		}
+
+		pathbuf[pathlen] = '/';
+		strcpy(&pathbuf[pathlen+1], entry->d_name);
+
+		if (entry->d_type == DT_UNKNOWN) {
+			/* some filesystems like iso9660 does not support
+			   the d_type so we use lstat */
+			struct stat st;
+			if (lstat(pathbuf, &st) < 0) {
+				dbg("%s: %s", pathbuf, strerror(errno));
+				goto next;
+			}
+			is_dir = S_ISDIR(st.st_mode);
+		} else
+			is_dir = entry->d_type & DT_DIR;
+
+		if (is_dir) {
+			if (entry->d_name[0] == '.')
+				goto next;
+		} else if (opts->searchname
+			   && strcmp(entry->d_name, opts->searchname) != 0) {
+			goto next;
+		}
+
+		if (is_dir)
+			recurse_dir(pathbuf, opts);
+		else
+			opts->callback(pathbuf, opts->userdata);
+next:
+		pathbuf[pathlen] = '\0';
+	}
+	closedir(d);
+}
+
+struct bootrepos {
+	char *outfile;
+	int count;
+};
+
+void bootrepo_cb(const char *path, const void *data)
+{
+	struct bootrepos *repos = (struct bootrepos *)data;
+	int fd = open(repos->outfile, O_WRONLY | O_CREAT | O_APPEND);
+	if (fd == -1)
+		err(1, "%s", repos->outfile);
+
+	write(fd, path, strlen(path) - strlen("/.boot_repository"));
+	write(fd, "\n", 1);
+	close(fd);
+	dbg("added boot repository %s to %s\n", path, repos->outfile);
+	repos->count++;
+}
+
+static int find_apkovl(const char *dir, const char *outfile)
+{
+	char pattern[PATH_MAX];
+	glob_t gl;
+	int r, fd;
+
+	if (outfile == NULL)
+		return 0;
+
+	snprintf(pattern, sizeof(pattern), "%s/*.apkovl.tar.gz*", dir);
+
+	r = glob(pattern, 0, NULL, &gl);
+	if (r != 0)
+		return 0;
+
+	fd = open(outfile, O_WRONLY | O_CREAT | O_APPEND);
+	if (fd == -1)
+		err(1, "%s", outfile);
+
+	for (r = 0; r < gl.gl_pathc; r++) {
+		dbg("Found apkovl: %s", gl.gl_pathv[r]);
+		write(fd, gl.gl_pathv[r], strlen(gl.gl_pathv[r]));
+		write(fd, "\n", 1);
+	}
+	close(fd);
+	globfree(&gl);
+	return FOUND_APKOVL;
+}
+
+static int find_bootrepos(const char *devnode, const char *type,
+			 char *bootrepos, const char *apkovls)
+{
+	char mountdir[PATH_MAX] = "";
+	char *devname;
+	int r, rc = 0;
+	struct bootrepos repos = {
+		.outfile = bootrepos,
+		.count = 0,
+	};
+	struct recurse_opts opts = {
+		.searchname = ".boot_repository",
+		.callback = bootrepo_cb,
+		.userdata = &repos,
+	};
+
+
+	/* skip already mounted devices */
+	if (is_mounted(devnode)) {
+		dbg("%s is mounted (%s). skipping", devnode, type);
+		return 0;
+	}
+	devname = strrchr(devnode, '/');
+
+	if (devname)
+		snprintf(mountdir, sizeof(mountdir), "/media%s", devname);
+
+	dbg("mounting %s on %s. (%s)", devnode, mountdir, type);
+	mkdir(mountdir, 0755);
+
+	r = mount(devnode, mountdir, type, MS_RDONLY, NULL);
+	if (r < 0) {
+		dbg("Failed to mount %s on %s: %s",
+		    devnode, mountdir, strerror(errno));
+		return 0;
+	}
+
+	recurse_dir(mountdir, &opts);
+	if (repos.count > 0)
+		rc |= FOUND_BOOTREPO;
+
+	if (find_apkovl(mountdir, apkovls))
+		rc |= FOUND_APKOVL;
+
+	if (rc == 0)
+		umount(mountdir);
+
+	return rc;
+}
+
+int searchdev(char *devname, const char *searchdev, char *bootrepos,
+	      const char *apkovls)
+{
+	static blkid_cache cache = NULL;
+	char *type = NULL, *label = NULL, *uuid = NULL;
+	char devnode[256];
+	int rc = 0;
+
+	if (searchdev == NULL && bootrepos == NULL && apkovls == NULL)
+		return 0;
+
+	snprintf(devnode, sizeof(devnode), "/dev/%s", devname);
+	if (searchdev && (strcmp(devname, searchdev) == 0
+	                  || strcmp(devnode, searchdev) == 0)) {
+		return FOUND_DEVICE;
+	}
+
+	if (cache == NULL)
+		blkid_get_cache(&cache, NULL);
+
+	type = blkid_get_tag_value(cache, "TYPE", devnode);
+
+	if (searchdev != NULL) {
+		if (strncmp("LABEL=", searchdev, 6) == 0) {
+			label = blkid_get_tag_value(cache, "LABEL", devnode);
+			if (label && strcmp(label, searchdev+6) == 0)
+				rc = FOUND_DEVICE;
+		} else if (strncmp("UUID=", searchdev, 5) == 0) {
+			uuid = blkid_get_tag_value(cache, "UUID", devnode);
+			if (uuid && strcmp(uuid, searchdev+5) == 0)
+				rc = FOUND_DEVICE;
+		}
+	}
+
+	if (type || label || uuid) {
+		dbg("%s:\n"
+			"\ttype='%s'\n"
+			"\tlabel='%s'\n"
+			"\tuuid='%s'\n", devnode,
+			type ? type : NULL,
+			label ? label : NULL,
+			uuid ? uuid : NULL);
+	}
+
+	if (!rc && type) {
+		if (strcmp("linux_raid_member", type) == 0) {
+			start_mdadm(devnode);
+		} else if (strcmp("LVM2_member", type) == 0) {
+			start_lvm2(devnode);
+		} else if (bootrepos) {
+			rc = find_bootrepos(devnode, type, bootrepos, apkovls);
+		}
+	}
+
+	if (type)
+		free(type);
+	if (label)
+		free(label);
+	if (uuid)
+		free(uuid);
+
+	return rc;
+}
+
+int dispatch_uevent(struct uevent *ev, struct ueventconf *conf)
+{
+	static int timeout_increment = USB_STORAGE_TIMEOUT;
+
+	if (conf->subsystem_filter && ev->subsystem
+	    && strcmp(ev->subsystem, conf->subsystem_filter) != 0) {
+		dbg("subsystem '%s' filtered out (by '%s').",
+		    ev->subsystem, conf->subsystem_filter);
+		return 0;
+	}
+
+	if (ev->action == NULL)
+		return 0;
+
+	if (ev->modalias != NULL && strcmp(ev->action, "add") == 0) {
+		load_kmod(ev->modalias);
+		conf->modalias_count++;
+
+	} else if (ev->driver != NULL && strcmp(ev->driver, "usb-storage") == 0) {
+		conf->timeout += timeout_increment;
+		timeout_increment = 0;
+
+	} else if (ev->devname != NULL) {
+		if (conf->program_argv[0] != NULL) {
+			run_child(conf->program_argv);
+			conf->fork_count++;
+		}
+
+		if (ev->subsystem && strcmp(ev->subsystem, "block") == 0
+		    && strcmp(ev->action, "add") == 0) {
+			int rc;
+
+			snprintf(ev->devnode, sizeof(ev->devnode), "/dev/%s",
+				 ev->devname);
+			rc = searchdev(ev->devname, conf->search_device,
+				       conf->bootrepos, conf->apkovls);
+			if (rc)
+				return rc;
+
+			if (searchdev(ev->devname, conf->crypt_device, NULL,
+				      NULL))
+				start_cryptsetup(ev->devnode, conf->crypt_name);
+		}
+	}
+	return 0;
+}
+
+int process_uevent(char *buf, const size_t len, struct ueventconf *conf)
+{
+	struct uevent ev;
+
+	int i, slen = 0;
+	char *key, *value;
+
+	memset(&ev, 0, sizeof(ev));
+	ev.buf = buf;
+	ev.bufsize = len;
+	clearenv();
+	setenv("PATH", "/sbin:/bin", 1);
+
+	for (i = 0; i < len; i += slen + 1) {
+
+		key = buf + i;
+		value = strchr(key, '=');
+		slen = strlen(buf+i);
+
+		if (i == 0 && slen != 0) {
+			/* first line, the message */
+			ev.message = key;
+			continue;
+		}
+
+		if (!slen)
+			continue;
+
+		value[0] = '\0';
+		value++;
+
+		if (strcmp(key, "MODALIAS") == 0) {
+			ev.modalias = value;
+		} else if (strcmp(key, "ACTION") == 0) {
+			ev.action = value;
+		} else if (strcmp(key, "SUBSYSTEM") == 0) {
+			ev.subsystem = value;
+		} else if (strcmp(key, "DEVNAME") == 0) {
+			ev.devname = value;
+		} else if (strcmp(key, "MAJOR") == 0) {
+			ev.major = value;
+		} else if (strcmp(key, "MINOR") == 0) {
+			ev.minor = value;
+		} else if (strcmp(key, "DRIVER") == 0) {
+			ev.driver = value;
+		}
+
+		if (strcmp(key, "PATH")) {
+			setenv(key, value, 1);
+		}
+	}
+	return dispatch_uevent(&ev, conf);
+}
+
+void trigger_uevent_cb(const char *path, const void *data)
+{
+	int fd = open(path, O_WRONLY);
+	write(fd, "add", 3);
+	close(fd);
+}
+
+void *trigger_thread(void *data)
+{
+	int fd = *(int *)data;
+	uint64_t ok = 1;
+	struct recurse_opts opts = {
+		.searchname = "uevent",
+		.callback = trigger_uevent_cb,
+		.userdata = NULL,
+	};
+	char path[PATH_MAX] = "/sys/bus";
+
+	recurse_dir(path, &opts);
+	strcpy(path, "/sys/devices");
+	recurse_dir(path, &opts);
+	write(fd, &ok, sizeof(ok));
+	return NULL;
+}
+
+void usage(int rc)
+{
+	printf("coldplug system til given device is found\n"
+	"usage: %s [options] DEVICE\n"
+	"\n"
+	"options:\n"
+	" -a OUTFILE      add paths to found apkovls to OUTFILE\n"
+	" -b OUTFILE      add found boot repositories to OUTFILE\n"
+	" -c CRYPTDEVICE  run cryptsetup luksOpen when CRYPTDEVICE is found\n"
+	" -h              show this help\n"
+	" -m CRYPTNAME    use CRYPTNAME name for crypto device mapping\n"
+	" -d              enable debugging ouput\n"
+	" -f SUBSYSTEM    filter subsystem\n"
+	" -p PROGRAM      use PROGRAM as handler for every event with DEVNAME\n"
+	" -t TIMEOUT      timeout after TIMEOUT milliseconds without uevents\n"
+	"\n", argv0);
+
+	exit(rc);
+}
+
+int main(int argc, char *argv[])
+{
+	struct pollfd fds[2];
+	int numfds = 2;
+	int r;
+	struct ueventconf conf;
+	int event_count = 0;
+	size_t total_bytes;
+	int found = 0, trigger_running = 0;
+	char *program_argv[2] = {0,0};
+	pthread_t tid;
+
+	memset(&conf, 0, sizeof(conf));
+	conf.program_argv = program_argv;
+	conf.timeout = DEFAULT_EVENT_TIMEOUT;
+	argv0 = strrchr(argv[0], '/');
+	if (argv0++ == NULL)
+		argv0 = argv[0];
+
+	ARGBEGIN {
+	case 'a':
+		conf.apkovls = EARGF(usage(1));;
+		break;
+	case 'b':
+		conf.bootrepos = EARGF(usage(1));
+		break;
+	case 'c':
+		conf.crypt_device = EARGF(usage(1));
+		break;
+	case 'h':
+		usage(0);
+		break;
+	case 'm':
+		conf.crypt_name = EARGF(usage(1));
+		break;
+	case 'd':
+		dodebug = 1;
+		break;
+	case 'f':
+		conf.subsystem_filter = EARGF(usage(1));
+		break;
+	case 'p':
+		conf.program_argv[0] = EARGF(usage(1));
+		break;
+	case 't':
+		conf.timeout = atoi(EARGF(usage(1)));
+		break;
+	default:
+		usage(1);
+	} ARGEND;
+
+	if (argc > 0)
+		conf.search_device = argv[0];
+
+	initsignals();
+
+	fds[0].fd = init_netlink_socket();
+	fds[0].events = POLLIN;
+
+	fds[1].fd = eventfd(0, EFD_CLOEXEC);
+	fds[1].events = POLLIN;
+
+	pthread_create(&tid, NULL, trigger_thread, &fds[1].fd);
+	trigger_running = 1;
+
+	while (1) {
+		size_t len;
+		struct iovec iov;
+		char cbuf[CMSG_SPACE(sizeof(struct ucred))];
+		char buf[16384];
+		struct cmsghdr *chdr;
+		struct ucred *cred;
+		struct msghdr hdr;
+		struct sockaddr_nl cnls;
+
+		r = poll(fds, numfds, trigger_running ? -1 : conf.timeout);
+		if (r == -1)
+			err(1, "poll");
+
+		if (r == 0) {
+			dbg("exit due to timeout");
+			break;
+		}
+
+		if (numfds > 1 && fds[1].revents & POLLIN) {
+			close(fds[1].fd);
+			fds[1].fd = -1;
+			numfds--;
+			trigger_running = 0;
+			pthread_join(tid, NULL);
+		}
+
+		if (!(fds[0].revents & POLLIN))
+			continue;
+
+		iov.iov_base = &buf;
+		iov.iov_len = sizeof(buf);
+		memset(&hdr, 0, sizeof(hdr));
+		hdr.msg_iov = &iov;
+		hdr.msg_iovlen = 1;
+		hdr.msg_control = cbuf;
+		hdr.msg_controllen = sizeof(cbuf);
+		hdr.msg_name = &cnls;
+		hdr.msg_namelen = sizeof(cnls);
+
+		len = recvmsg(fds[0].fd, &hdr, 0);
+		if (len < 0) {
+			if (errno == EINTR)
+				continue;
+			err(1, "recvmsg");
+		}
+		if (len < 32 || len >= sizeof(buf))
+			continue;
+
+		total_bytes += len;
+		chdr = CMSG_FIRSTHDR(&hdr);
+		if (chdr == NULL || chdr->cmsg_type != SCM_CREDENTIALS)
+			continue;
+
+		/* filter out messages that are not from root or kernel */
+		cred = (struct ucred *)CMSG_DATA(chdr);
+		if (cred->uid != 0 || cnls.nl_pid > 0)
+			continue;
+
+		event_count++;
+		found |= process_uevent(buf, len, &conf);
+
+		if ((found & FOUND_DEVICE)
+		    || ((found & FOUND_BOOTREPO) && (found & FOUND_APKOVL))) {
+			dbg("setting timeout to 0");
+			conf.timeout = 0;
+		}
+
+		if (fds[0].revents & POLLHUP) {
+			dbg("parent hung up\n");
+			break;
+		}
+	}
+
+	dbg("modaliases: %i, forks: %i, events: %i, total bufsize: %zu",
+		conf.modalias_count,
+		conf.fork_count,
+		event_count, total_bytes);
+
+	return found ? 0 : 1;
+}
+
+