# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/udev/udev-189.ebuild,v 1.1 2012/08/24 16:21:22 williamh Exp $

EAPI=4

KV_min=2.6.39

inherit autotools eutils linux-info

if [[ ${PV} = 9999* ]]
then
	EGIT_REPO_URI="git://anongit.freedesktop.org/systemd/systemd"
	inherit git-2
else
	patchset=1
	SRC_URI="http://www.freedesktop.org/software/systemd/systemd-${PV}.tar.xz"
	if [[ -n "${patchset}" ]]
		then
				SRC_URI="${SRC_URI}
					http://dev.gentoo.org/~williamh/dist/${P}-patches-${patchset}.tar.bz2"
			fi
	KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
fi

DESCRIPTION="Linux dynamic and persistent device naming support (aka userspace devfs)"
HOMEPAGE="http://www.freedesktop.org/wiki/Software/systemd"

LICENSE="LGPL-2.1 MIT GPL-2"
SLOT="0"
IUSE="acl doc gudev hwdb introspection keymap +openrc selinux static-libs"

RESTRICT="test"

COMMON_DEPEND="acl? ( sys-apps/acl )
	gudev? ( dev-libs/glib:2 )
	introspection? ( >=dev-libs/gobject-introspection-1.31.1 )
	selinux? ( sys-libs/libselinux )
	>=sys-apps/kmod-5
	>=sys-apps/util-linux-2.20
	! "${T}"/Makefile.extra
	emake -f Makefile -f "${T}"/Makefile.extra BUILT_SOURCES
	local targets=(
		systemd-udevd
		udevadm
		libudev.la
		ata_id
		cdrom_id
		collect
		scsi_id
		v4l_id
		accelerometer
		mtd_probe
		man/udev.7
		man/udevadm.8
		man/systemd-udevd.8
		man/systemd-udevd.service.8
	)
	use keymap && targets+=( keymap )
	use gudev && targets+=( libgudev-1.0.la )

	emake "${targets[@]}"
	if use doc
	then
		emake -C docs/libudev
		use gudev && emake -C docs/gudev
	fi
}

src_install()
{
	local lib_LTLIBRARIES=libudev.la \
		pkgconfiglib_DATA=src/libudev/libudev.pc

	local targets=(
		install-libLTLIBRARIES
		install-includeHEADERS
		install-libgudev_includeHEADERS
		install-binPROGRAMS
		install-rootlibexecPROGRAMS
		install-udevlibexecPROGRAMS
		install-dist_systemunitDATA
		install-dist_udevconfDATA
		install-dist_udevhomeSCRIPTS
		install-dist_udevkeymapDATA
		install-dist_udevkeymapforcerelDATA
		install-dist_udevrulesDATA
		install-girDATA
		install-man7
		install-man8
		install-nodist_systemunitDATA
		install-pkgconfiglibDATA
		install-sharepkgconfigDATA
		install-typelibsDATA
		install-dist_docDATA
		udev-confdirs
		systemd-install-hook
	)

	if use gudev
	then
		lib_LTLIBRARIES+=" libgudev-1.0.la"
		pkgconfiglib_DATA+=" src/gudev/gudev-1.0.pc"
	fi

	# add final values of variables:
	targets+=(
		rootlibexec_PROGRAMS=systemd-udevd
		bin_PROGRAMS=udevadm
		lib_LTLIBRARIES="${lib_LTLIBRARIES}"
		MANPAGES="man/udev.7 man/udevadm.8 man/systemd-udevd.service.8"
		MANPAGES_ALIAS="man/systemd-udevd.8"
		dist_systemunit_DATA="units/systemd-udevd-control.socket \
			units/systemd-udevd-kernel.socket"
		nodist_systemunit_DATA="units/systemd-udevd.service \
				units/systemd-udev-trigger.service \
				units/systemd-udev-settle.service"
		pkgconfiglib_DATA="${pkgconfiglib_DATA}"
	)
	emake DESTDIR="${D}" "${targets[@]}"
	if use doc
	then
		emake -C docs/libudev DESTDIR="${D}" install
		use gudev && emake -C docs/gudev DESTDIR="${D}" install
	fi
	dodoc TODO

	prune_libtool_files --all
	rm -f "${D}"/usr/lib/udev/rules.d/99-systemd.rules
	rm -rf "${D}"/usr/share/doc/${PF}/LICENSE.*

	# install gentoo-specific rules
	insinto /usr/lib/udev/rules.d
	doins "${FILESDIR}"/40-gentoo.rules

	# install udevadm symlink
	dosym ../usr/bin/udevadm /sbin/udevadm

	# Basically this is the only difference between
	# Sabayon udev and Gentoo one.
	# I don't know why Gentoo dropped the whole
	# blacklist thing.
        insinto /etc/modprobe.d
        newins "${FILESDIR}"/blacklist-146 blacklist.conf
}

pkg_preinst()
{
	local htmldir
	for htmldir in gudev libudev; do
		if [[ -d ${ROOT}usr/share/gtk-doc/html/${htmldir} ]]
		then
			rm -rf "${ROOT}"usr/share/gtk-doc/html/${htmldir}
		fi
		if [[ -d ${D}/usr/share/doc/${PF}/html/${htmldir} ]]
		then
			dosym ../../doc/${PF}/html/${htmldir} \
				/usr/share/gtk-doc/html/${htmldir}
		fi
	done
	preserve_old_lib /usr/$(get_libdir)/libudev.so.0
}

# This function determines if a directory is a mount point.
# It was lifted from dracut.
ismounted()
{
	while read a m a; do
		[[ $m = $1 ]] && return 0
	done < "${ROOT}"/proc/mounts
	return 1
}

pkg_postinst()
{
	mkdir -p "${ROOT}"/run

	# "losetup -f" is confused if there is an empty /dev/loop/, Bug #338766
	# So try to remove it here (will only work if empty).
	rmdir "${ROOT}"/dev/loop 2>/dev/null
	if [[ -d ${ROOT}/dev/loop ]]
	then
		ewarn "Please make sure your remove /dev/loop,"
		ewarn "else losetup may be confused when looking for unused devices."
	fi

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

	# 64-device-mapper.rules now gets installed by sys-fs/device-mapper
	# remove it if user don't has sys-fs/device-mapper installed, 27 Jun 2007
	if [[ -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

	ewarn
	ewarn "If you build an initramfs including udev, then please"
	ewarn "make sure the /usr/bin/udevadm binary gets included,"
	ewarn "and your scripts changed to use it,as it replaces the"
	ewarn "old helper apps udevinfo, udevtrigger, ..."

	ewarn
	ewarn "mount options for directory /dev are no longer"
	ewarn "set in /etc/udev/udev.conf, but in /etc/fstab"
	ewarn "as for other directories."

	ewarn
	ewarn "Rules for /dev/hd* devices have been removed"
	ewarn "Please migrate to libata."

	ewarn
	ewarn "action_modeswitch has been removed by upstream."
	ewarn "Please use sys-apps/usb_modeswitch."

	if ismounted /usr
	then
		ewarn
		ewarn "Your system has /usr on a separate partition. This means"
		ewarn "you will need to use an initramfs to pre-mount /usr before"
		ewarn "udev runs."
		ewarn "This must be set up before your next reboot, or you may"
		ewarn "experience failures which are very difficult to troubleshoot."
		ewarn "For a more detailed explanation, see the following URL:"
		ewarn "http://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken"
		ewarn
		ewarn "For more information on setting up an initramfs, see the"
		ewarn "following URL:"
		ewarn "http://www.gentoo.org/doc/en/initramfs-guide.xml"
	fi

	ewarn
	ewarn "The udev-acl functionality has been removed from standalone udev."
	ewarn "If you are using standalone udev, consolekit handles this"
	ewarn "functionality."

	if [[ -d ${ROOT}lib/udev ]]
	then
		ewarn
		ewarn "This version of udev moves the files that were installed in"
		ewarn "/lib/udev to /usr/lib/udev."
		ewarn "We include a backward compatibility patch for gentoo to"
		ewarn "allow the rules in /lib/udev/rules.d to be read. However,"
		ewarn "bugs should be filed against packages that are installing"
	ewarn "files in /lib/udev so they can be fixed."
	fi

	ewarn
	ewarn "You need to restart udev as soon as possible to make the upgrade go"
	ewarn "into affect."
	ewarn "The method you use to do this depends on your init system."

	ewarn
	ewarn "Upstream has removed the persistent-net and persistent-cd rules"
	ewarn "generator. If you need persistent names for these devices,"
	ewarn "place udev rules for them in ${ROOT}etc/udev/rules.d."

	preserve_old_lib_notify /usr/$(get_libdir)/libudev.so.0

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