# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/udev/udev-114.ebuild,v 1.16 2008/06/15 05:54:32 zmedico 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
	!/dev/null
	dolib extras/volume_id/lib/*.so* || die "Failed installing libvolume_id.so"
	into /usr
	dolib extras/volume_id/lib/*.a || die "Failed installing libvolume_id.a"

	# handle static linking bug #4411
	rm -f "${D}/usr/$(get_libdir)/libvolume_id.so"
	gen_usr_ldscript libvolume_id.so

	# Our udev config file
	insinto /etc/udev
	newins "${FILESDIR}"/udev.conf.post_113 udev.conf

	# Our rules files
	insinto /etc/udev/rules.d/
	doins etc/udev/gentoo/??-*.rules
	# Use upstream's persistent rules for devices
	doins etc/udev/rules.d/60-*.rules

	# our udev hooks into the rc system
	insinto /$(get_libdir)/rcscripts/addons
	newins "${FILESDIR}"/udev-start-113-r2.sh udev-start.sh
	newins "${FILESDIR}"/udev-stop-111-r2.sh udev-stop.sh

	# The udev-post init-script
	newinitd "${FILESDIR}"/udev-postmount-initd-111-r2 udev-postmount

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

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

	# documentation
	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

}

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

	has_version "=${CATEGORY}/${PN}-103-r3"
	previous_equal_to_103_r3=$?

	has_version "<${CATEGORY}/${PN}-104-r5"
	previous_less_than_104_r5=$?

	has_version "<${CATEGORY}/${PN}-106-r5"
	previous_less_than_106_r5=$?

	has_version "<${CATEGORY}/${PN}-113"
	previous_less_than_113=$?
}

pkg_postinst() {
	# 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 [[ $previous_equal_to_103_r3 = 0 ]] ; then
		if [[ -e "${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 [[ $previous_less_than_104_r5 = 0 ]] ; then
		rm -f "${ROOT}"/etc/dev.d/net/hotplug.dev
		rmdir --ignore-fail-on-non-empty "${ROOT}"/etc/dev.d/net 2>/dev/null
	fi

	if [[ $previous_less_than_106_r5 = 0 ]] ; then
		if [[ -e "${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 "${ROOT}"/etc/dev.d 2>/dev/null
		if [[ -d "${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

	# 64-device-mapper.rules now gets installed by sys-fs/device-mapper
	# remove it if user don't has sys-fs/device-mapper installed
	if [[ $previous_less_than_113 = 0 ]] &&
		[[ -f "${ROOT}"/etc/udev/rules.d/64-device-mapper.rules ]] &&
		! has_version sys-fs/device-mapper
	then
			rm -f "${ROOT}"/etc/udev/rules.d/64-device-mapper.rules
			einfo "Removed unneeded file 64-device-mapper.rules"
	fi

	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

	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"
}