main/mdadm: fix init.d script

fixes #275
fixes #276

main/mdadm/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=mdadm
 pkgver=3.1.1
-pkgrel=0
+pkgrel=1
 pkgdesc="a tool for managing Linux Software RAID arrays"
 url="http://neil.brown.name/blog/mdadm"
 license="GPL-2"
@@ -35,5 +35,5 @@ package() {
 md5sums="8bfeea282d21b5ef8e825122fb359457  mdadm-3.1.1.tar.gz
 ce57e798431f7ab89f9b07a7daaa4852  mdadm.initd
 16d2b8eb2e17184357db503470fdd8eb  mdadm.confd
-cf60ee08fc4fbed0450c5a2d4efc4214  mdadm-raid.initd
+974e3496d2e4b7c9c17c3279388f45ae  mdadm-raid.initd
 aa601f072096fb8bae8b8946f59a561f  mdadm-uclibc.patch"

main/mdadm/mdadm-raid.initd

@@ -1,19 +1,42 @@
 #!/sbin/runscript
 
 # script to start raid devices described in /etc/mdadm.conf.
+depend() {
+	before checkfs fsck
+	after modules
+}
 
 start() {
+	[ -f /etc/mdadm.conf ] || return 0
+	# start all devices that are not already started
 	[ -f /proc/mdstat ] || modprobe -k md > /dev/null 2>&1
+	local tostart=
 	ebegin "Starting RAID devices"
-	mdadm -A -s -q
+	for i in $(awk '{print $2}' /etc/mdadm.conf); do
+		[ -b "$i" ] && continue
+		tostart="$tostart $i"
+	done		
+	mdadm --assemble --scan --quiet $tostart
 	eend $?						
 }
 
-stop() {
-	# you need to make sure no device is mounted.
-	if [ -f /etc/mdadm.conf ] ; then
-		ebegin "Stopping RAID devices"
-		mdadm --stop -q `awk '/^ARRAY/ { print $2 }' /etc/mdadm.conf`
-		eend $?
-	fi
+is_mounted_as() {
+	local mnt
+	for mnt in $(awk "\$1 == \"$1\" {print \$2}" /proc/mounts); do
+		[ "$mnt" = "$2" ] && return 0
+	done
+	return 1
+}
+
+stop() {
+	# stop all raid devices except anything mounted as /
+	[ -f /etc/mdadm.conf ] || return 0
+	ebegin "Stopping RAID devices"
+	local tostop=
+	for i in $(awk '{print $2}' /etc/mdadm.conf); do
+		is_mounted_as $i / && continue
+		tostop="$tostop $i"
+	done
+	mdadm --stop --quiet $tostop
+	eend $?
 }