# $Id$

PNAME="dracut"
PVER="045"
PBUILD="r4"

PCAT="sys-apps"

DESCRIPTION="Initramfs generator using udev which fully replaces mkinitrd."
HOMEPAGE="https://dracut.wiki.kernel.org/"

DEPEND=">= app-shells/bash-4.2
	>= virtual/bzip2
	>= virtual/gzip
	>= virtual/xz-utils
	>= virtual/cpio
	>= virtual/tar
	>= sys-apps/coreutils-8.22
	>= sys-apps/findutils-4.4
	>= virtual/grep
	>= virtual/kbd
	>= virtual/procps
	>= virtual/module-tools
	>= virtual/sed
	>= virtual/eject
	>= sys-apps/util-linux-2.27
	>= sys-apps/v86d-0.1.9
	>= sys-apps/plymouth-0.8.8
	>= sys-apps/grubby-8.35
	>= sys-fs/device-mapper-2.02.111
	>= sys-fs/udev-228
	>= sys-apps/kmod-23
	>= sys-apps/systemd-228"
#	>= sys-fs/lvm2-2.02.111

PROVIDE="virtual/initramfs-tools"

SDEPEND=">= app-text/docbook-xml-dtd-9
	>= app-text/docbook-xml-dtd-9
	>= app-text/asciidoc-8.6
	>= sys-apps/util-linux-dev-2.25
	>= sys-fs/udev-dev-228
	>= sys-apps/kmod-dev-23
	>= sys-apps/systemd-dev-228"

SRCFILE="${PNAME}-${PVER}.tar.xz"
SRCDIR="${BUILDDIR}/${PNAME}-${PVER}"

ALX_PKG_KEEP="etc/dracut.conf
	etc/dracut.conf.d
	usr/lib/dracut/dracut-install
	usr/lib/dracut/dracut-logger.sh
	usr/lib/dracut/dracut-functions
	usr/lib/dracut/dracut-functions.sh
	usr/lib/dracut/dracut-initramfs-restore
	usr/lib/dracut/dracut-version.sh
	usr/lib/kernel/install.d/50-dracut.install
	usr/lib/kernel/install.d/51-dracut-rescue.install
	usr/lib/dracut/dracut-init.sh
	usr/lib/dracut/skipcpio
	usr/lib/dracut/modules.d/00bash
	usr/lib/dracut/modules.d/00systemd
	usr/lib/dracut/modules.d/01systemd-initrd
	usr/lib/dracut/modules.d/02systemd-networkd
	usr/lib/dracut/modules.d/05busybox
	usr/lib/dracut/modules.d/10i18n
	usr/lib/dracut/modules.d/30convertfs
	usr/lib/dracut/modules.d/40uvesafb
	usr/lib/dracut/modules.d/40network
	usr/lib/dracut/modules.d/45ifcfg
	usr/lib/dracut/modules.d/45url-lib
	usr/lib/dracut/modules.d/50drm
	usr/lib/dracut/modules.d/50plymouth
	usr/lib/dracut/modules.d/90dm
	usr/lib/dracut/modules.d/90dmsquash-live
	usr/lib/dracut/modules.d/90kernel-network-modules
	usr/lib/dracut/modules.d/90kernel-modules
	usr/lib/dracut/modules.d/95dasd
	usr/lib/dracut/modules.d/95dasd_mod
	usr/lib/dracut/modules.d/95dasd_rules
	usr/lib/dracut/modules.d/95fstab-sys
	usr/lib/dracut/modules.d/95resume
	usr/lib/dracut/modules.d/95rootfs-block
	usr/lib/dracut/modules.d/95terminfo
	usr/lib/dracut/modules.d/95udev-rules
	usr/lib/dracut/modules.d/98dracut-systemd
	usr/lib/dracut/modules.d/98pollcdrom
	usr/lib/dracut/modules.d/98syslog
	usr/lib/dracut/modules.d/98usrmount
	usr/lib/dracut/modules.d/99base
	usr/lib/dracut/modules.d/99fs-lib
	usr/lib/dracut/modules.d/99img-lib
	usr/lib/dracut/modules.d/99shutdown
	usr/lib/systemd
	usr/bin/dracut
	usr/bin/dracut-catimages
	usr/bin/lsinitrd
	usr/bin/mkinitrd
	var/initramfs
	var/log/dracut.log"
# not supported with alx
# usr/lib/dracut/modules.d/90dmraid
# usr/lib/dracut/modules.d/90mdraid
# usr/lib/dracut/modules.d/90multipath
# usr/lib/dracut/modules.d/97biosdevname

sminclude mbuild mtools systemd cleanutils alx-split
msetfeature "!check"

# += to add injection files (alx.sminc)
SRC_URI+=(
	http://www.kernel.org/pub/linux/utils/boot/${PNAME}/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${PNAME}-045-magellan.patch
	mirror://${PNAME}/${PNAME}-024-add-uvesafb-module.patch
	mirror://${PNAME}/${PNAME}-036-mkinitrd-ignore-allow-missing-switch.patch
	mirror://${PNAME}/${PNAME}-019-convertfs-make-selinux-optional.patch
	mirror://${PNAME}/${PNAME}-045-network-support-udhcpc-dhcpcd-2.patch
	mirror://${PNAME}/${PNAME}-045-busybox.patch
	mirror://${PNAME}/${PNAME}-045-busybox-makefile.patch
	mirror://${PNAME}/${PNAME}-045-busybox-realpath.patch
	mirror://${PNAME}/${PNAME}-037-alx-busybox-install-method.patch
)

UP2DATE="updatecmd http://www.kernel.org/pub/linux/utils/boot/${PNAME} | highesttarball xz"

src_prepare()
{
	munpack ${SRCFILE} || die
	cd ${SRCDIR}

	# magellan compat patch
	mpatch ${PNAME}-045-magellan.patch || die

	# add uvesafb module to run v86d inside the initrd (default off)
	mpatch ${PNAME}-024-add-uvesafb-module.patch || die

	# for better mkinitrd compat and to fully support new-kernel-pkg
	# as drop-in replacement ignore the --allow-missing switch
	mpatch ${PNAME}-036-mkinitrd-ignore-allow-missing-switch.patch || die

	# make selinux optional, we do not use it yet
	mpatch ${PNAME}-019-convertfs-make-selinux-optional.patch || die

	# add support for dhcpcd and udhcpc in the network module
	mpatch ${PNAME}-045-network-support-udhcpc-dhcpcd-2.patch || die

	# be compatible with busybox cmds
	mpatch ${PNAME}-045-busybox.patch || die
	mpatch ${PNAME}-045-busybox-makefile.patch || die
	mpatch ${PNAME}-045-busybox-realpath.patch || die

	# install the busybox module with the alx method via busybox.links file
	mpatch ${PNAME}-037-alx-busybox-install-method.patch || die

	# remove gentoo specific modules
	rm -rf modules.d/50gensplash || die
	# remove rpm-bases specific modules
	rm -rf modules.d/10rpmversion || die
	# systemd-bootchart works better
	rm -rf modules.d/00bootchart || die
	# no dash support anymore
	rm -rf modules.d/00dash || die

	# fix plymouth libexecdir
	sed -i "s:/usr/libexec:/usr/$(mlibdir)/plymouth:g" \
		modules.d/50plymouth/module-setup.sh || die

	# fix plymouth logo
	local plymouth_logo=/usr/share/plymouth/magellan-logo.png
	sed -i "s:^\(PLYMOUTH_LOGO_FILE=\).*:\1\"${plymouth_logo}\":" \
		modules.d/50plymouth/plymouth-populate-initrd.sh || die

	# fix qemu libexecdir
	sed -i "s:/usr/libexec:/usr/$(mlibdir)/qemu:" test/run-qemu || die
}

src_compile()
{
	cd ${SRCDIR}

	# always usr /usr/lib as dracut modules dir
	mconfigure --sysconfdir=/etc --sbindir=/usr/bin --libdir=/usr/lib --systemdsystemunitdir=$(mget-systemd-unit-dir) || die
 	mmake || die
}

alx_generic_src_install()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die

	# fix sometimes broken permissions
	mchmod 0755 /usr/lib/dracut/modules.d/40network/\*.sh || die

	# needed directories
	mkeepdir /var/initramfs || die
	mkeepdir /var/log || die
	memptyfile /var/log/dracut.log || die

	# missing compat symlink
	mlink dracut /usr/bin/mkinitrd || die

	minstalldocs AUTHORS COPYING HACKING NEWS README* TODO || die

	# install busybox-rc compatible config and remove upstream systemd one
	echo -e ${COLGREEN}"    injecting custom dracut-configs"${COLDEFAULT}
	if [ -f ${BINDIR}/etc/dracut.conf.d/01-magellan.conf ]
	then
		mdelete /etc/dracut.conf.d/01-magellan.conf || die
	fi
	mcinjectfile 01-alx.conf /etc/dracut.conf.d || die
}

preinstall()
{
	if [[ ! -z $(magequery -n mkinitrd) ]]
	then
		echo -e ${COLRED}
		echo -e "Error: sys-apps/mkinitrd is installed!!"
		echo -e "dracut will overwrite binaries from sys-apps/mkinitrd and fully replace it."
		echo -e "Please uninstall sys-apps/mkinitrd first!"
		echo -e ${COLDEFAULT}
		die "sys-apps/mkinitrd found!"
	fi

	add_conf_prot_mask /etc/dracut.conf /etc/dracut.conf.d
}