dracut: add support for kernel hooks.

srcpkgs/dracut/files/kernel-hook-postinst

@@ -0,0 +1,15 @@
+#!/bin/sh
+#
+# Kernel post-install hook for dracut.
+#
+# Arguments passed to this script: $1 pkgname, $2 version.
+#
+PKGNAME="$1"
+VERSION="$2"
+
+if [ ! -x /usr/bin/dracut ]; then
+	exit 0
+fi
+
+dracut --xz --force ${VERSION}
+exit $?

srcpkgs/dracut/files/kernel-hook-postrm

@@ -0,0 +1,13 @@
+#!/bin/sh
+#
+# Kernel post-remove hook for dracut.
+#
+# Arguments passed to this script: $1 pkgname, $2 version.
+#
+PKGNAME="$1"
+VERSION="$2"
+
+if [ -f /boot/initramfs-${VERSION}.img ]; then
+	rm -f /boot/initramfs-${VERSION}.img
+fi
+exit $?

srcpkgs/dracut/template

@@ -1,7 +1,7 @@
 # Template file for 'dracut'
 pkgname=dracut
 version=018
-revision=2
+revision=3
 noarch=yes
 build_style=gnu-makefile
 make_build_args="sysconfdir=/etc systemdsystemunitdir=/lib/systemd/system"
@@ -36,3 +36,11 @@ pre_install() {
 	# fix path to busybox.
 	sed -i "s|/sbin/busybox|/bin/busybox|g" modules.d/05busybox/module-setup.sh
 }
+
+post_install() {
+	# kernel hooks.
+	vinstall ${FILESDIR}/kernel-hook-postinst \
+		755 etc/kernel.d/post-install 10-dracut
+	vinstall ${FILESDIR}/kernel-hook-postrm \
+		755 etc/kernel.d/post-remove 10-dracut
+}