# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/udev/udev-111-r1.ebuild,v 1.3 2007/11/10 10:23:17 zzam Exp $

inherit eutils flag-o-matic multilib toolchain-funcs

DESCRIPTION="Linux dynamic and persistent device naming support (aka userspace devfs)"
HOMEPAGE="http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html"
SRC_URI="mirror://kernel/linux/utils/kernel/hotplug/${P}.tar.bz2"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
IUSE="selinux"

DEPEND="selinux? ( sys-libs/libselinux )"
RDEPEND="!sys-apps/coldplug"
RDEPEND="${DEPEND} ${RDEPEND}
	>=sys-apps/baselayout-1.12.5"
# We need the lib/rcscripts/addon support
PROVIDE="virtual/dev-manager"

pkg_setup() {
	udev_helper_dir="/$(get_libdir)/udev"
}

sed_helper_dir() {
	sed -e "s#/lib/udev#${udev_helper_dir}#" -i "$@"
}

src_unpack() {
	unpack ${A}

	cd "${S}"

	# patches go here...
	epatch "${FILESDIR}"/${PN}-104-peristent-net-disable-xen.patch
	EPATCH_OPTS="-p1" epatch "${FILESDIR}"/${PN}-110-root-link-1.diff

	# No need to clutter the logs ...
	sed -ie '/^DEBUG/ c\DEBUG = false' Makefile
	# Do not use optimization flags from the package
	sed -ie 's|$(OPTIMIZATION)||g' Makefile

	# Make sure there is no sudden changes to udev.rules.gentoo
	# (more for my own needs than anything else ...)
	MD5=`md5sum < "${S}/etc/udev/gentoo/50-udev.rules"`
	MD5=${MD5/  -/}
	if [ "${MD5}" != "04a8f3303a2b172affbed26973745f26" ]
	then
		echo
		eerror "gentoo/udev.rules has been updated, please validate!"
		die "gentoo/udev.rules has been updated, please validate!"
	fi

	sed_helper_dir \
		etc/udev/gentoo/50-udev.rules \
		extras/rule_generator/write_*_rules \
		udev_rules_parse.c \
		udev_utils_run.c
}

src_compile() {
	filter-flags -fprefetch-loop-arrays
	local myconf=
	local extras="extras/ata_id \
				  extras/cdrom_id \
				  extras/edd_id \
				  extras/firmware \
				  extras/floppy \
				  extras/path_id \
				  extras/scsi_id \
				  extras/usb_id \
				  extras/volume_id \
				  extras/rule_generator \
				  extras/root_link"

	use selinux && myconf="${myconf} USE_SELINUX=true"

	# Not everyone has full $CHOST-{ld,ar,etc...} yet
	local mycross=""
	type -p ${CHOST}-ar && mycross=${CHOST}-

	echo "get_libdir = $(get_libdir)"
	emake \
		EXTRAS="${extras}" \
		udevdir="/dev/" \
		CROSS_COMPILE=${mycross} \
		OPTFLAGS="" \
		${myconf} || die
}

src_install() {
	# we install everything by "hand" and don't rely on the udev Makefile to do
	# it for us (why? it's easier that way...)
	dobin udevinfo		|| die "Required binary not installed properly"
	dobin udevtest		|| die "Required binary not installed properly"
	dobin udevmonitor	|| die "Required binary not installed properly"
	into /
	dosbin udevd		|| die "Required binary not installed properly"
	dosbin udevstart	|| die "Required binary not installed properly"
	dosbin udevtrigger	|| die "Required binary not installed properly"
	dosbin udevcontrol	|| die "Required binary not installed properly"
	dosbin udevsettle	|| die "Required binary not installed properly"

	# Helpers
	exeinto "${udev_helper_dir}"
	doexe extras/ata_id/ata_id		|| die "Required helper not installed properly"
	doexe extras/volume_id/vol_id	|| die "Required helper not installed properly"
	doexe extras/scsi_id/scsi_id	|| die "Required helper not installed properly"
	doexe extras/usb_id/usb_id		|| die "Required helper not installed properly"
	doexe extras/path_id/path_id	|| die "Required helper not installed properly"
	doexe extras/cdrom_id/cdrom_id	|| die "Required helper not installed properly"
	doexe extras/edd_id/edd_id		|| die "Required helper not installed properly"
	doexe extras/rule_generator/write_cd_rules	|| die "Required helper not installed properly"
	doexe extras/rule_generator/write_net_rules	|| die "Required helper not installed properly"
	doexe extras/rule_generator/rule_generator.functions	|| die "Required helper not installed properly"
	doexe extras/root_link/get_dir_major_minor || die "Required helper not installed properly"
	doexe extras/floppy/create_floppy_devices	|| die "Required binary not installed properly"
	doexe extras/firmware/firmware.sh			|| die "Required binary not installed properly"
	newexe "${FILESDIR}"/net-104-r10.sh net.sh	|| die "Required binary not installed properly"
	newexe "${FILESDIR}"/modprobe-111-r1.sh modprobe.sh	|| die "Required binary not installed properly"

	keepdir "${udev_helper_dir}"/state
	keepdir "${udev_helper_dir}"/devices

	# create symlinks for these utilities to /sbin
	# where multipath-tools expect them to be (Bug #168588)
	dosym "..${udev_helper_dir}/vol_id" /sbin/vol_id
	dosym "..${udev_helper_dir}/scsi_id" /sbin/scsi_id

	# vol_id library (needed by mount and HAL)
	dolib extras/volume_id/lib/*.a extras/volume_id/lib/*.so*
	# move the .a files to /usr/lib
	dodir /usr/$(get_libdir)
	mv -f "${D}"/$(get_libdir)/*.a  "${D}"/usr/$(get_libdir)/

	# handle static linking bug #4411
	gen_usr_ldscript libvolume_id.so

	# save pkgconfig info
	insinto /usr/$(get_libdir)/pkgconfig
	doins extras/volume_id/lib/*.pc

	# Our udev config file
	insinto /etc/udev
	newins "${FILESDIR}"/udev.conf.post_108 udev.conf

	# Our rules files
	insinto /etc/udev/rules.d/
	doins etc/udev/gentoo/??-*.rules
	#newins "${FILESDIR}"/udev.rules-107-r1 50-udev.rules
	#newins "${FILESDIR}"/05-udev-early.rules-106-r5 05-udev-early.rules
	#doins "${FILESDIR}"/95-udev-late.rules
	# Special rules for device-mapper
	#newins "${FILESDIR}"/64-device-mapper.rules-107-r1 64-device-mapper.rules
	# Use upstream's persistent rules for devices
	doins etc/udev/rules.d/60-*.rules
	doins extras/rule_generator/75-*.rules || die "rules not installed properly"

	# scsi_id configuration
	insinto /etc
	doins extras/scsi_id/scsi_id.config

	# all of the man pages
	doman *.7
	doman *.8
	doman extras/ata_id/ata_id.8
	doman extras/edd_id/edd_id.8
	doman extras/scsi_id/scsi_id.8
	doman extras/volume_id/vol_id.8
	doman extras/cdrom_id/cdrom_id.8
	# create a extra symlink for udevcontrol
	dosym udevd.8 /usr/share/man/man8/udevcontrol.8

	# our udev hooks into the rc system
	insinto /$(get_libdir)/rcscripts/addons
	newins "${FILESDIR}"/udev-start-110-r1.sh udev-start.sh
	newins "${FILESDIR}"/udev-stop-110-r1.sh udev-stop.sh

	# convert /lib/udev to real used dir
	sed_helper_dir "${D}/$(get_libdir)"/rcscripts/addons/*.sh

	# needed to compile latest Hal
	insinto /usr/include
	doins extras/volume_id/lib/libvolume_id.h

	dodoc ChangeLog FAQ README TODO RELEASE-NOTES
	dodoc docs/{overview,udev_vs_devfs}
	dodoc docs/writing_udev_rules/*

	newdoc extras/volume_id/README README_volume_id

	insinto /etc/modprobe.d
	newins "${FILESDIR}"/blacklist-110 blacklist
	doins "${FILESDIR}"/pnp-aliases

	# convert /lib/udev to real used dir
	sed_helper_dir "${D}"/etc/modprobe.d/*

	if use s390; then
		# s390 does not has persistent mac addresses
		# and we only have persistence rules for mac.
		# For now just remove the rules file.
		rm "${D}"/etc/udev/rules.d/75-persistent-net-generator.rules
	fi

}

pkg_preinst() {
	if [[ -d ${ROOT}/lib/udev-state ]] ; then
		mv -f "${ROOT}"/lib/udev-state/* "${D}"/lib/udev/state/
		rm -r "${ROOT}"/lib/udev-state
	fi

	if [ -f "${ROOT}/etc/udev/udev.config" -a \
	     ! -f "${ROOT}/etc/udev/udev.rules" ]
	then
		mv -f "${ROOT}"/etc/udev/udev.config "${ROOT}"/etc/udev/udev.rules
	fi

	# delete the old udev.hotplug symlink if it is present
	if [ -h "${ROOT}/etc/hotplug.d/default/udev.hotplug" ]
	then
		rm -f "${ROOT}"/etc/hotplug.d/default/udev.hotplug
	fi

	# delete the old wait_for_sysfs.hotplug symlink if it is present
	if [ -h "${ROOT}/etc/hotplug.d/default/05-wait_for_sysfs.hotplug" ]
	then
		rm -f "${ROOT}"/etc/hotplug.d/default/05-wait_for_sysfs.hotplug
	fi

	# delete the old wait_for_sysfs.hotplug symlink if it is present
	if [ -h "${ROOT}/etc/hotplug.d/default/10-udev.hotplug" ]
	then
		rm -f "${ROOT}"/etc/hotplug.d/default/10-udev.hotplug
	fi

	# is there a stale coldplug initscript? (CONFIG_PROTECT leaves it behind)
	coldplug_stale=""
	if [ -f "${ROOT}/etc/init.d/coldplug" ]
	then
		coldplug_stale="1"
	fi
}

pkg_postinst() {
	if [[ ${ROOT} == "/" ]] ; then
		# check if root of init-process is identical to ours
		if [ -r /proc/1/root -a /proc/1/root/ -ef /proc/self/root/ ]; then
			einfo "restarting udevd now."
			if [[ -n $(pidof udevd) ]] ; then
				killall -15 udevd &>/dev/null
				sleep 1
				killall -9 udevd &>/dev/null
			fi
			/sbin/udevd --daemon
		fi
	fi

	# people want reminders, I'll give them reminders.  Odds are they will
	# just ignore them anyway...

	if [[ ${coldplug_stale} == "1" ]] ; then
		ewarn "A stale coldplug init script found. You should run:"
		ewarn
		ewarn "      rc-update del coldplug"
		ewarn "      rm -f /etc/init.d/coldplug"
		ewarn
		ewarn "udev now provides its own coldplug functionality."
	fi

	# delete 40-scsi-hotplug.rules - all integrated in 50-udev.rules
	if has_version "=sys-fs/udev-103-r3"; then
		if [[ -e "${ROOT}/etc/udev/rules.d/40-scsi-hotplug.rules" ]]
		then
			ewarn "Deleting stray 40-scsi-hotplug.rules"
			ewarn "installed by sys-fs/udev-103-r3"
			rm -f "${ROOT}"/etc/udev/rules.d/40-scsi-hotplug.rules
		fi
	fi

	# Removing some device-nodes we thought we need some time ago
	if [[ -d "${ROOT}"/lib/udev/devices ]]; then
		rm -f "${ROOT}"/lib/udev/devices/{null,zero,console,urandom}
	fi

	# Removing some old file
	if has_version "<sys-fs/udev-104-r5"; then
		rm -f "${ROOT}"/etc/dev.d/net/hotplug.dev
		rmdir --ignore-fail-on-non-empty "${ROOT}"/etc/dev.d/net
	fi

	if has_version "<sys-fs/udev-106-r5"; then
		if [[ -e ${ROOT}/etc/udev/rules.d/95-net.rules ]]; then
			rm -f "${ROOT}"/etc/udev/rules.d/95-net.rules
		fi
	fi

	# Try to remove /etc/dev.d as that is obsolete
	if [[ -d "${ROOT}"/etc/dev.d ]]; then
		rmdir --ignore-fail-on-non-empty "${ROOT}"/etc/dev.d/default "${ROOT}"/etc/dev.d
		if [[ -d "${ROOT}"/etc/dev.d ]]; then
			ewarn "You still have the directory /etc/dev.d on your system."
			ewarn "This is no longer used by udev and can be removed."
		fi
	fi

	einfo
	einfo "For more information on udev on Gentoo, writing udev rules, and"
	einfo "         fixing known issues visit:"
	einfo "         http://www.gentoo.org/doc/en/udev-guide.xml"
}