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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-kernel/dracut/dracut-007.ebuild,v 1.2 2010/08/25 17:46:08 ramereth Exp $
EAPI=2
inherit git
inherit eutils mount-boot
EGIT_REPO_URI="git://dracut.git.sourceforge.net/gitroot/dracut/dracut"
DESCRIPTION="Generic initramfs generation tool"
HOMEPAGE="http://sourceforge.net/projects/dracut/"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
COMMON_IUSE="bootchart btrfs debug gensplash mdraid multipath selinux syslog
uswsusp xen"
NETWORK_IUSE="iscsi nbd nfs"
DM_IUSE="crypt dmraid dmsquash-live lvm"
IUSE="${COMMON_IUSE} ${DM_IUSE} ${NETWORK_IUSE}"
NETWORK_DEPS="net-misc/bridge-utils >=net-misc/dhcp-3.1.2_p1 sys-apps/iproute2 net-misc/ifenslave"
DM_DEPS="|| ( sys-fs/device-mapper >=sys-fs/lvm2-2.02.33 )"
RDEPEND="
>=app-shells/bash-4.0
>=app-shells/dash-0.5.4.11
>=sys-apps/module-init-tools-3.5
>=sys-apps/sysvinit-2.87-r3
>=sys-apps/util-linux-2.16
>=sys-fs/udev-149
bootchart? ( app-benchmarks/bootchart )
btrfs? ( sys-fs/btrfs-progs )
crypt? ( sys-fs/cryptsetup ${DM_DEPS} )
debug? ( dev-util/strace )
dmraid? ( sys-fs/dmraid sys-fs/multipath-tools ${DM_DEPS} )
dmsquash-live? ( sys-apps/eject ${DM_DEPS} )
gensplash? ( media-gfx/splashutils )
iscsi? ( sys-block/open-iscsi[utils] ${NETWORK_DEPS} )
lvm? ( >=sys-fs/lvm2-2.02.33 )
mdraid? ( sys-fs/mdadm )
multipath? ( sys-fs/multipath-tools )
nbd? ( sys-block/nbd ${NETWORK_DEPS} )
nfs? ( net-fs/nfs-utils net-nds/rpcbind ${NETWORK_DEPS} )
selinux? ( sys-libs/libselinux sys-libs/libsepol )
syslog? ( || ( app-admin/syslog-ng app-admin/rsyslog ) )
uswsusp? ( sys-power/suspend )
xen? ( app-emulation/xen )
"
DEPEND="
>=dev-libs/libxslt-1.1.26
app-text/docbook-xml-dtd:4.5
>=app-text/docbook-xsl-stylesheets-1.75.2
"
#
# Helper functions
#
# Returns true if any of specified modules is enabled by USE flag and false
# otherwise.
# $1 = list of modules (which have corresponding USE flags of the same name)
any_module() {
local m modules=" $@ "
for m in ${modules}; do
! use $m && modules=${modules/ $m / }
done
shopt -s extglob
modules=${modules%%+( )}
shopt -u extglob
[[ ${modules} ]]
}
# Removes module from modules.d.
# $1 = module name
# Module name can be specified without number prefix.
rm_module() {
local m
for m in $@; do
if [[ $m =~ ^[0-9][0-9][^\ ]*$ ]]; then
rm -rf "${modules_dir}"/$m
else
rm -rf "${modules_dir}"/[0-9][0-9]$m
fi
done
}
# Displays Gentoo Base System major release number
base_sys_maj_ver() {
local line
read line < /etc/gentoo-release
line=${line##* }
echo "${line%%.*}"
}
#
# ebuild functions
#
src_compile() {
emake WITH_SWITCH_ROOT=0 prefix=/usr sysconfdir=/etc || die "emake failed"
}
src_install() {
emake WITH_SWITCH_ROOT=0 \
prefix=/usr sysconfdir=/etc \
DESTDIR="${D}" install || die "emake install failed"
local gen2conf
dodir /boot/dracut /var/lib/dracut/overlay /etc/dracut.conf.d
dodoc HACKING TODO AUTHORS NEWS README*
case "$(base_sys_maj_ver)" in
1) gen2conf=gentoo.conf ;;
2) gen2conf=gentoo-openrc.conf ;;
*) die "Expected ver. 1 or 2 of Gentoo Base System (/etc/gentoo-release)."
esac
insinto /etc/dracut.conf.d
newins dracut.conf.d/${gen2conf}.example ${gen2conf}
#
# Modules
#
local module
modules_dir="${D}/usr/share/dracut/modules.d"
echo "${PF}" > "${modules_dir}"/10rpmversion/dracut-version
# Disable modules not enabled by USE flags
for module in ${IUSE} ; do
! use ${module} && rm_module ${module}
done
! any_module ${DM_IUSE} && rm_module 90dm
! any_module ${NETWORK_IUSE} && rm_module 45ifcfg 40network
# Disable S/390 modules which are not tested at all
rm_module 95dasd 95dasd_mod 95zfcp 95znet
# Disable modules which won't work for sure
rm_module 95fcoe # no tools
# fips module depends on masked app-crypt/hmaccalc
rm_module 01fips
}
pkg_postinst() {
elog 'To generate the initramfs:'
elog ' # mount /boot (if necessary)'
elog ' # dracut "" <kernel-version>'
elog ''
elog 'For command line documentation see man 7 dracut.kernel.'
elog ''
elog 'Simple example to select root and resume partition:'
elog ' root=/dev/sda1 resume=/dev/sda2'
elog ''
elog 'The default config (in /etc/dracut.conf) is very minimal and is highly'
elog 'recommended you adjust based on your needs. To include only dracut'
elog 'modules and kernel drivers for this system, use the "-H" option.'
elog 'Some modules need to be explicitly added with "-a" option even if'
elog 'required tools are installed.'
[[ $(base_sys_maj_ver) = 1 ]] && {
echo
ewarn 'You might encounter following problem during boot time when using'
ewarn 'baselayout1:'
ewarn ' devpts is already mounted or /dev/pts is busy'
ewarn 'See discussion on the Gentoo Forums:'
ewarn 'http://forums.gentoo.org/viewtopic-p-6377431.html'
}
echo
ewarn 'dhcp-3 is known to not work with QEMU. You will need dhcp-4 or'
ewarn 'later for it.'
}
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