archlinux: use dracut native file instead of our own

archlinux/PKGBUILD

@@ -6,7 +6,7 @@
 # Maintainer: Olivier Medoc <o_medoc@yahoo.fr>
 pkgname=(qubes-vm-utils qubes-vm-kernel-support)
 pkgver=`cat version`
-pkgrel=9
+pkgrel=10
 epoch=
 pkgdesc="Common Linux files for Qubes VM."
 arch=("x86_64")
@@ -26,12 +26,12 @@ changelog=
 source=(PKGBUILD-initcpio-hook.sh PKGBUILD-initcpio-install.sh)
 
 noextract=()
-md5sums=(e88b50aed7d28087968da728ec1dc2b6 3d204b0d8acda9cf3ea5ebd5334a04d6)
+md5sums=(SKIP)
 
 
 build() {
 
-for source in qrexec-lib udev qmemman core kernel-modules Makefile; do
+for source in qrexec-lib udev qmemman core kernel-modules Makefile dracut; do
   (ln -s $srcdir/../$source $srcdir/$source)
 done
 
@@ -53,11 +53,12 @@ install=PKGBUILD-qubes-vm-kernel-support.install
 
 mkdir -p ${pkgdir}/usr/lib/initcpio/install/
 mkdir -p ${pkgdir}/usr/lib/initcpio/hooks/
+mkdir -p ${pkgdir}/usr/lib/qubes/
 mkdir -p ${pkgdir}/usr/bin/
 
 install -m 611 ${srcdir}/PKGBUILD-initcpio-install.sh ${pkgdir}/usr/lib/initcpio/install/qubes
 install -m 611 ${srcdir}/PKGBUILD-initcpio-hook.sh ${pkgdir}/usr/lib/initcpio/hooks/qubes
-
+install -m 755 ${srcdir}/dracut/full-dmroot/qubes_cow_setup.sh ${pkgdir}/usr/lib/qubes/qubes_cow_setup.sh
 make install-u2mfn DESTDIR=$pkgdir -C kernel-modules
 
 }

archlinux/PKGBUILD-initcpio-hook.sh

@@ -4,48 +4,6 @@ run_earlyhook() {
 
 	msg "Starting Qubes copy on write setup script"
 
-	if ! grep -q 'root=[^ ]*dmroot' /proc/cmdline; then
-	    warning "Qubes: dmroot not requested, probably not a Qubes VM"
-	    exit 0
-	fi
-
-	if [ -e /dev/mapper/dmroot ] ; then
-	    die "Qubes: FATAL error: /dev/mapper/dmroot already exists?!"
-	fi
-
-	modprobe xen-blkfront || warning "Qubes: Cannot load Xen Block Frontend..."
-
-	msg "Qubes: Waiting for /dev/xvda* devices..."
-	while ! [ -e /dev/xvda ]; do sleep 0.1; done
-	msg "Qubes: /dev/xvda* found"
-
-	SWAP_SIZE=$(( 1024 * 1024 * 2 )) # sectors, 1GB
-
-	if [ `cat /sys/block/xvda/ro` = 1 ] ; then
-	    msg "Qubes: Doing COW setup for AppVM..."
-
-	    while ! [ -e /dev/xvdc ]; do sleep 0.1; done
-	    VOLATILE_SIZE=$(cat /sys/block/xvdc/size) # sectors
-	    ROOT_SIZE=$(cat /sys/block/xvda/size) # sectors
-	    if [ $VOLATILE_SIZE -lt $SWAP_SIZE ]; then
-		die "Qubes: volatile.img smaller than 1GB, cannot continue"
-	    fi
-	sfdisk -q --unit S /dev/xvdc >/dev/null <<EOF
-1,$SWAP_SIZE,S
-,,L
-EOF
-
-	    if [ $? -ne 0 ]; then
-		die "Qubes: failed to setup partitions on volatile device"
-	    fi
-	    while ! [ -e /dev/xvdc1 ]; do sleep 0.1; done
-	    mkswap /dev/xvdc1
-	    while ! [ -e /dev/xvdc2 ]; do sleep 0.1; done
-
-	    echo "0 `cat /sys/block/xvda/size` snapshot /dev/xvda /dev/xvdc2 N 16" | \
-		dmsetup --noudevsync create dmroot || die "Qubes: FATAL: cannot create dmroot!"
-	fi
-
-	dmsetup mknodes dmroot
+	/usr/lib/qubes/qubes_cow_setup.sh
 
 }

archlinux/PKGBUILD-initcpio-install.sh

@@ -7,6 +7,7 @@ build() {
   add_binary "/usr/bin/sfdisk"
   add_binary "/usr/bin/mkswap"
   add_binary "/usr/bin/dmsetup"
+  add_binary "/usr/lib/qubes/qubes_cow_setup.sh"
   
   add_runscript