dracut: recipe cleanup

Split out bash-completion data
Update RDEPENDS: getopt is util-linux-getopt now
Use distro_features_check to require systemd
Recommend busybox

Signed-off-by: Dan McGregor <dan.mcgregor@usask.ca>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-initramfs/recipes-devtools/dracut/dracut_git.bb

@@ -13,8 +13,10 @@ SRC_URI = "git://git.kernel.org/pub/scm/boot/dracut/dracut.git"
 
 S = "${WORKDIR}/git"
 
-do_configure() {
-    ./configure --prefix=${prefix} \
+inherit distro_features_check
+REQUIRED_DISTRO_FEATURES = "systemd"
+
+EXTRA_OECONF = "--prefix=${prefix} \
                 --libdir=${libdir} \
                 --datadir=${datadir} \
                 --sysconfdir=${sysconfdir} \
@@ -23,20 +25,31 @@ do_configure() {
                 --bindir=${bindir} \
                 --includedir=${includedir} \
                 --localstatedir=${localstatedir} \
+                --systemdsystemunitdir=${systemd_unitdir}/system"
+
+do_configure() {
+    ./configure ${EXTRA_OECONF}
 }
 
 do_install() {
     oe_runmake install DESTDIR=${D}
 }
 
-FILES_${PN} += "${datadir}/bash-completion \ 
-                ${libdir}/kernel \
-               "
+PACKAGES =+ "${PN}-bash-completion"
+
+FILES_${PN}-bash-completion = "${datadir}/bash-completion"
+
+FILES_${PN} += " ${libdir}/kernel \
+                ${systemd_unitdir} \
+               "
+CONFFILES_${PN} += "${sysconfdir}/dracut.conf"
+
+RDEPENDS_${PN} = "systemd findutils cpio util-linux-blkid util-linux-getopt bash ldd"
+RDEPENDS_${PN}-bash-completion = "bash-completion"
 
-# 'getopt' is in the util-linux main package
-RDEPENDS_${PN} = "systemd findutils cpio util-linux-blkid util-linux bash ldd"
 # This could be optimized a bit, but let's avoid non-booting systems :)
 RRECOMMENDS_${PN} = " \
                      kernel-modules \
+                     busybox \
                      coreutils \ 
                     "