# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/eudev/eudev-9999.ebuild,v 1.21 2013/02/09 07:58:36 lu_zero Exp $

EAPI=5

KV_min=2.6.31

inherit autotools eutils linux-info

if [[ ${PV} = 9999* ]]
then
	EGIT_REPO_URI="git://github.com/gentoo/eudev.git"
	inherit git-2
else
	SRC_URI="http://dev.gentoo.org/~blueness/${PN}/${P}.tar.gz"
	KEYWORDS="~amd64 ~arm ~hppa ~mips ~ppc ~x86"
fi

DESCRIPTION="Linux dynamic and persistent device naming support (aka userspace devfs)"
HOMEPAGE="https://github.com/gentoo/eudev"

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

RESTRICT="test"

COMMON_DEPEND="gudev? ( dev-libs/glib:2 )
	kmod? ( sys-apps/kmod )
	introspection? ( >=dev-libs/gobject-introspection-1.31.1 )
	selinux? ( sys-libs/libselinux )
	>=sys-apps/util-linux-2.20
	!<sys-libs/glibc-2.11"

DEPEND="${COMMON_DEPEND}
	dev-util/gperf
	>=dev-util/intltool-0.40.0
	virtual/pkgconfig
	virtual/os-headers
	!<sys-kernel/linux-headers-${KV_min}
	doc? ( dev-util/gtk-doc )
	app-text/docbook-xsl-stylesheets
	dev-libs/libxslt"

RDEPEND="${COMMON_DEPEND}
	hwdb? ( >=sys-apps/hwids-20121202.2[udev] )
	!sys-fs/udev
	!sys-apps/coldplug
	!sys-apps/systemd
	!<sys-fs/lvm2-2.02.97
	!sys-fs/device-mapper
	!<sys-fs/udev-init-scripts-18"

PDEPEND=">=virtual/udev-180
	openrc? ( >=sys-fs/udev-init-scripts-18 )"

udev_check_KV()
{
	if kernel_is lt ${KV_min//./ }
	then
		return 1
	fi
	return 0
}

pkg_pretend()
{
	ewarn "As of 2013-01-29, eudev-9999 provides the new interface renaming"
	ewarn "functionality, as described in the URL below:"
	ewarn "http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames"
	ewarn " "
	ewarn "This functionality is enabled BY DEFAULT because eudev has no means of synchronizing"
	ewarn "between the default or user-modified choice of sys-fs/udev.  If you wish to disable"
	ewarn "this new iface naming, please be sure that /etc/udev/rules.d/80-net-name-slot.rules"
	ewarn "exists:"
	ewarn "\ttouch /etc/udev/rules.d/80-net-name-slot.rules"
	ewarn " "
	ewarn "We are working on a better solution for the next beta release."
	ewarn " "
	if has_version "<sys-fs/udev-180" && ! use legacy-libudev; then
	ewarn "This version of eudev does not contain the libudev.so.0 library by "
	ewarn "default.  This is an issue when migrating from sys-fs/udev-180 or older."
	ewarn ""
	ewarn "Removal of libudev.so.0 will effectively break any active Xorg sessions, and"
	ewarn "will probably have repercussions with other software as well.  A revdep-rebuild"
	ewarn "is required to resolve these issues."
	ewarn ""
	ewarn "Add USE=legacy-libudev to tell eudev to install a copy of libudev.so.0, if"
	ewarn "you wish to continue to use your system while migrating to libudev.so.1"
	fi
}

pkg_setup()
{
	# required kernel options
	CONFIG_CHECK="~BLK_DEV_BSG ~DEVTMPFS ~!IDE ~INOTIFY_USER ~SIGNALFD ~!SYSFS_DEPRECATED ~!SYSFS_DEPRECATED_V2"
	ERROR_DEVTMPFS="DEVTMPFS is not set in this kernel. Udev will not run."

	linux-info_pkg_setup

	if ! udev_check_KV
	then
		eerror "Your kernel version (${KV_FULL}) is too old to run ${P}"
		eerror "It must be at least ${KV_min}!"
	fi

	KV_FULL_SRC=${KV_FULL}
	get_running_version
	if ! udev_check_KV
	then
		eerror
		eerror "Your running kernel version (${KV_FULL}) is too old"
		eerror "for this version of udev."
		eerror "You must upgrade your kernel or downgrade udev."
	fi

	# for USE=legacy-libudev
	QA_SONAME_NO_SYMLINK="$(get_libdir)/libudev.so.0"
}

src_prepare()
{
	# change rules back to group uucp instead of dialout for now
	sed -e 's/GROUP="dialout"/GROUP="uucp"/' \
		-i rules/*.rules \
	|| die "failed to change group dialout to uucp"

	epatch_user

	if [[ ! -e configure ]]
	then
		if use doc
		then
			gtkdocize --docdir docs || die "gtkdocize failed"
		else
			echo 'EXTRA_DIST =' > docs/gtk-doc.make
		fi
		eautoreconf
	else
		elibtoolize
	fi
}

src_configure()
{
	local econf_args

	econf_args=(
		ac_cv_search_cap_init=
		ac_cv_header_sys_capability_h=yes
		DBUS_CFLAGS=' '
		DBUS_LIBS=' '
		--with-rootprefix=
		--docdir=/usr/share/doc/${PF}
		--libdir=/usr/$(get_libdir)
		--with-firmware-path="${EPREFIX}usr/lib/firmware/updates:${EPREFIX}usr/lib/firmware:${EPREFIX}lib/firmware/updates:${EPREFIX}lib/firmware"
		--with-html-dir="/usr/share/doc/${PF}/html"
		--with-rootlibdir=/$(get_libdir)
		--enable-split-usr
		--exec-prefix=/
		$(use_enable doc gtk-doc)
		$(use_enable gudev)
		$(use_enable introspection)
		$(use_enable keymap)
		$(use_enable kmod libkmod)
		$(use_enable modutils modules)
		$(use_enable selinux)
		$(use_enable static-libs static)
		$(use_enable legacy-libudev legacylib)
	)
	econf "${econf_args[@]}"
}

src_install()
{
	emake DESTDIR="${D}" install

	prune_libtool_files --all
	rm -rf "${ED}"/usr/share/doc/${PF}/LICENSE.*

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

	# drop distributed hwdb files, they override sys-apps/hwids
	rm -f "${ED}"/etc/udev/hwdb.d/*.hwdb
}

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

pkg_postinst()
{
	mkdir -p "${EROOT}"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 "${EROOT}"dev/loop 2>/dev/null
	if [[ -d ${EROOT}dev/loop ]]
	then
		ewarn "Please make sure you remove /dev/loop,"
		ewarn "else losetup may be confused when looking for unused devices."
	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, 27 Jun 2007
	if [[ -f ${EROOT}etc/udev/rules.d/64-device-mapper.rules ]] &&
		! has_version sys-fs/device-mapper
	then
		rm -f "${EROOT}"etc/udev/rules.d/64-device-mapper.rules
		einfo "Removed unneeded file 64-device-mapper.rules"
	fi

	use hwdb && udevadm hwdb --update --root="${ROOT%/}"

	ewarn
	ewarn "You need to restart eudev as soon as possible to make the"
	ewarn "upgrade go into effect:"
	ewarn "\t/etc/init.d/udev --nodeps restart"

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