# $Id$

PNAME="dracut"
PVER="046"
PBUILD="r1"

SPLIT_PACKAGES="dracut dracut-network dracut-fips dracut-fips-aesni dracut-caps dracut-tools"

PCAT="sys-apps"
HOMEPAGE="https://dracut.wiki.kernel.org/"

# sysvinit support for compatibility reasons
# 1=yes, 0=no
SYSVINIT_SUPPORT=0

COMMON_DEPEND=">= app-shells/bash-4.2
	>= virtual/bzip2
	>= virtual/gzip
	>= virtual/xz-utils
	>= app-arch/cpio-2.11
	>= 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-2.25
	>= sys-apps/plymouth-0.8.8
	>= sys-apps/grubby-8.40
	>= sys-fs/lvm2-2.02.111
	>= sys-fs/device-mapper-2.02.111
	>= sys-fs/udev-230
	>= sys-apps/systemd-230"

# todo nfs, icsci, rpcbind
NETWORK_DEPEND=">= virtual/iproute2
	>= virtual/dhcp
	>= net-misc/bridge-utils-1.5"
	# todo: arping

CAPS_DEPEND=">= sys-libs/libcap-2.24"

SDEPEND="${COMMON_DEPEND}
	${NETWORK_DEPEND}
	${CAPS_DEPEND}
	>= app-text/docbook-xml-dtd-9
	>= app-text/asciidoc-8.6"

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

sminclude mbuild mtools systemd cleanutils
msetfeature "!check"

SRC_URI=(
	http://www.kernel.org/pub/linux/utils/boot/${PNAME}/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${PNAME}-045-magellan.patch
	mirror://${PNAME}/${PNAME}-036-mkinitrd-ignore-allow-missing-switch.patch
	mirror://${PNAME}/${PNAME}-019-convertfs-make-selinux-optional.patch
	mirror://${PNAME}/${PNAME}-046-network-support-udhcpc-dhcpcd.patch
)

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

split_info_dracut()
{
	DESCRIPTION="Initramfs generator using udev which fully replaces mkinitrd."
	DEPEND="${COMMON_DEPEND}"

	PROVIDE="virtual/initramfs-tools"
}

split_info_dracut-network()
{
	DESCRIPTION="Dracut modules to build a dracut initramfs with network support."
	DEPEND="== sys-apps/dracut-${PVER}
		${NETWORK_DEPEND}"
}

split_info_dracut-fips()
{
	DESCRIPTION="Dracut modules to build a dracut initramfs with an integrity check."
	DEPEND="== sys-apps/dracut-${PVER}"
}

split_info_dracut-fips-aesni()
{
	DESCRIPTION="Dracut modules to build a dracut initramfs with an integrity check with aesni-intel."
	DEPEND="== sys-apps/dracut-${PVER}
		== sys-apps/dracut-fips-${PVER}"
}

split_info_dracut-caps()
{
	DESCRIPTION="Dracut modules to build a dracut initramfs which drops capabilities."
	DEPEND="== sys-apps/dracut-${PVER}
		${CAPS_DEPEND}"
}

split_info_dracut-tools()
{
	DESCRIPTION="Dracut tools to build the local initramfs."
	DEPEND="== sys-apps/dracut-${PVER}"
}

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

	# magellan compat patch
	mpatch ${PNAME}-045-magellan.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}-046-network-support-udhcpc-dhcpcd.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
}

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

	# remove modules owned by other packages
	mdelete -r /usr/lib/dracut/modules.d/01fips || die
	mdelete -r /usr/lib/dracut/modules.d/02fips-aesni || die
	mdelete -r /usr/lib/dracut/modules.d/02caps || die
	mdelete -r /usr/lib/dracut/modules.d/02systemd-networkd || die
	mdelete -r /usr/lib/dracut/modules.d/90kernel-network-modules || die
	mdelete -r /usr/lib/dracut/modules.d/40network || die
	mdelete -r /usr/lib/dracut/modules.d/90livenet || die
	mdelete -r /usr/lib/dracut/modules.d/90qemu-net || die
	mdelete -r /usr/lib/dracut/modules.d/95cifs || die
	mdelete -r /usr/lib/dracut/modules.d/95fcoe || die
	mdelete -r /usr/lib/dracut/modules.d/95iscsi || die
	mdelete -r /usr/lib/dracut/modules.d/95nbd || die
	mdelete -r /usr/lib/dracut/modules.d/95nfs || die
	mdelete -r /usr/lib/dracut/modules.d/95ssh-client || die
	mdelete -r /usr/lib/dracut/modules.d/45ifcfg || die
	mdelete -r /usr/lib/dracut/modules.d/95znet || die
	mdelete -r /usr/lib/dracut/modules.d/95fcoe-uefi || die
	mdelete -r /usr/lib/dracut/modules.d/99uefi-lib || die
	mdelete /usr/share/man/man8/dracut-catimages.8\* || die
	mdelete /usr/bin/dracut-catimages || 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
}

src_install_dracut-network()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die

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

	# keep only related stuff
	zapmost ${BINDIR} \
		usr/lib/dracut/modules.d/02systemd-networkd \
		usr/lib/dracut/modules.d/40network \
		usr/lib/dracut/modules.d/90kernel-network-modules \
		usr/lib/dracut/modules.d/90livenet \
		usr/lib/dracut/modules.d/90qemu-net \
		usr/lib/dracut/modules.d/95cifs \
		usr/lib/dracut/modules.d/95fcoe \
		usr/lib/dracut/modules.d/95iscsi \
		usr/lib/dracut/modules.d/95nbd \
		usr/lib/dracut/modules.d/95nfs \
		usr/lib/dracut/modules.d/95ssh-client \
		usr/lib/dracut/modules.d/45ifcfg \
		usr/lib/dracut/modules.d/95znet \
		usr/lib/dracut/modules.d/95fcoe-uefi \
		usr/lib/dracut/modules.d/99uefi-lib \
		|| die
}

src_install_dracut-fips()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die
	minstalldir /etc/dracut.conf.d || die
	minstallfile dracut.conf.d/fips.conf.example /etc/dracut.conf.d/40-fips.conf || die

	# keep only related stuff
	zapmost ${BINDIR} etc/dracut.conf.d/40-fips usr/lib/dracut/modules.d/01fips || die
}

src_install_dracut-fips-aesni()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die

	# keep only related stuff
	zapmost ${BINDIR} usr/lib/dracut/modules.d/02fips-aesni || die
}

src_install_dracut-caps()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die

	# keep only related stuff
	zapmost ${BINDIR} usr/lib/dracut/modules.d/02caps || die
}

src_install_dracut-tools()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die

	# keep only related stuff
	zapmost ${BINDIR} \
		usr/share/man/man8/dracut-catimages.8\* \
		usr/bin/dracut-catimages \
		|| die

	mkeepdir /boot/dracut || die
	mkeepdir /var/lib/dracut || die
	mkeepdir /var/lib/dracut/overlay || die
}

preinstall_dracut()
{
	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
}