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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit bash-completion-r1 eutils linux-info multilib systemd
DESCRIPTION="Generic initramfs generation tool"
HOMEPAGE="https://dracut.wiki.kernel.org"
SRC_URI="mirror://kernel/linux/utils/boot/${PN}/${P}.tar.xz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="alpha amd64 ~arm ia64 ppc ~ppc64 sparc x86"
IUSE="debug selinux systemd"
RESTRICT="test"
CDEPEND="virtual/udev
systemd? ( >=sys-apps/systemd-199 )
"
RDEPEND="${CDEPEND}
app-arch/cpio
>=app-shells/bash-4.0
>sys-apps/kmod-5[tools]
|| (
>=sys-apps/sysvinit-2.87-r3
sys-apps/systemd[sysv-utils]
sys-apps/systemd-sysv-utils
)
>=sys-apps/util-linux-2.21
debug? ( dev-util/strace )
selinux? (
sys-libs/libselinux
sys-libs/libsepol
sec-policy/selinux-dracut
)
!>=app-shells/bash-4.4"
DEPEND="${CDEPEND}
app-text/asciidoc
>=dev-libs/libxslt-1.1.26
app-text/docbook-xml-dtd:4.5
>=app-text/docbook-xsl-stylesheets-1.75.2
virtual/pkgconfig
"
DOCS=( AUTHORS HACKING NEWS README README.generic README.kernel README.modules
README.testsuite TODO )
MY_LIBDIR=/usr/lib
QA_MULTILIB_PATHS="
usr/lib/dracut/dracut-install
usr/lib/dracut/skipcpio
"
PATCHES=(
"${FILESDIR}"/044-0001-base-dracut-lib.sh-dev_unit_name-guard-against-dev-b.patch
"${FILESDIR}"/044-0002-systemd-initrd-add-initrd-root-device.target.patch
"${FILESDIR}"/044-0003-50-dracut.install-use-bin-bash-shebang.patch
)
#
# Helper functions
#
# Removes module from modules.d.
# $1 = module name
# Module name can be specified without number prefix.
rm_module() {
local force m
[[ $1 = -f ]] && force=-f
for m in $@; do
if [[ $m =~ ^[0-9][0-9][^\ ]*$ ]]; then
rm ${force} --interactive=never -r "${modules_dir}"/$m
else
rm ${force} --interactive=never -r "${modules_dir}"/[0-9][0-9]$m
fi
done
}
src_prepare() {
local libdirs="/$(get_libdir) /usr/$(get_libdir)"
if [[ ${SYMLINK_LIB} = yes ]]; then
# Preserve lib -> lib64 symlinks in initramfs
[[ $libdirs =~ /lib\ ]] || libdirs+=" /lib /usr/lib"
fi
einfo "Setting libdirs to \"${libdirs}\" ..."
sed -e "3alibdirs=\"${libdirs}\"" \
-i "${S}/dracut.conf.d/gentoo.conf.example" || die
local udevdir="$("$(tc-getPKG_CONFIG)" udev --variable=udevdir)"
einfo "Setting udevdir to ${udevdir}..."
sed -r -e "s|^(udevdir=).*$|\1${udevdir}|" \
-i "${S}/dracut.conf.d/gentoo.conf.example" || die
if use systemd; then
local systemdutildir="$(systemd_get_utildir)"
local systemdsystemunitdir="$(systemd_get_unitdir)"
local systemdsystemconfdir="$("$(tc-getPKG_CONFIG)" systemd \
--variable=systemdsystemconfdir)"
[[ ${systemdsystemconfdir} ]] \
|| systemdsystemconfdir=/etc/systemd/system
einfo "Setting systemdutildir to ${systemdutildir} and ..."
sed -e "5asystemdutildir=\"${systemdutildir}\"" \
-i "${S}/dracut.conf.d/gentoo.conf.example" || die
einfo "Setting systemdsystemunitdir to ${systemdsystemunitdir} and..."
sed -e "6asystemdsystemunitdir=\"${systemdsystemunitdir}\"" \
-i "${S}/dracut.conf.d/gentoo.conf.example" || die
einfo "Setting systemdsystemconfdir to ${systemdsystemconfdir}..."
sed -e "7asystemdsystemconfdir=\"${systemdsystemconfdir}\"" \
-i "${S}/dracut.conf.d/gentoo.conf.example" || die
else
local systemdutildir="/lib/systemd"
einfo "Setting systemdutildir for standalone udev to" \
"${systemdutildir}..."
sed -e "5asystemdutildir=\"${systemdutildir}\"" \
-i "${S}/dracut.conf.d/gentoo.conf.example" || die
fi
epatch "${PATCHES[@]}"
epatch_user
}
src_configure() {
local myconf=(
--libdir="${MY_LIBDIR}"
--bashcompletiondir="$(get_bashcompdir)"
)
if use systemd; then
myconf+=( --systemdsystemunitdir="$(systemd_get_unitdir)" )
fi
econf "${myconf[@]}"
}
src_compile() {
tc-export CC
emake doc install/dracut-install skipcpio/skipcpio
}
src_install() {
default
local my_libdir="${MY_LIBDIR}"
local dracutlibdir="${my_libdir#/}/dracut"
echo "DRACUT_VERSION=$PVR" > "${D%/}/${dracutlibdir}/dracut-version.sh"
insinto "${dracutlibdir}/dracut.conf.d/"
newins dracut.conf.d/gentoo.conf.example gentoo.conf
insinto /etc/logrotate.d
newins dracut.logrotate dracut
dodir /var/lib/dracut/overlay
dohtml dracut.html
if ! use systemd; then
# Scripts in kernel/install.d are systemd-specific
rm -r "${D%/}/${my_libdir}/kernel" || die
fi
#
# Modules
#
local module
modules_dir="${D%/}/${dracutlibdir}/modules.d"
use debug || rm_module 95debug
use selinux || rm_module 98selinux
if use systemd; then
# With systemd following modules do not make sense
rm_module 96securityfs 97masterkey 98integrity
else
rm_module 00systemd 98dracut-systemd
# Without systemd following modules do not make sense
rm_module 00systemd-bootchart 01systemd-initrd 02systemd-networkd
fi
# Remove modules which won't work for sure
rm_module 95fcoe # no tools
# fips module depends on masked app-crypt/hmaccalc
rm_module 01fips 02fips-aesni
}
pkg_postinst() {
if linux-info_get_any_version && linux_config_exists; then
ewarn ""
ewarn "If the following test report contains a missing kernel"
ewarn "configuration option, you should reconfigure and rebuild your"
ewarn "kernel before booting image generated with this Dracut version."
ewarn ""
local CONFIG_CHECK="~BLK_DEV_INITRD ~DEVTMPFS"
# Kernel configuration options descriptions:
local desc_DEVTMPFS="Maintain a devtmpfs filesystem to mount at /dev"
local desc_BLK_DEV_INITRD="Initial RAM filesystem and RAM disk "\
"(initramfs/initrd) support"
local opt desc
# Generate ERROR_* variables for check_extra_config.
for opt in ${CONFIG_CHECK}; do
opt=${opt#\~}
desc=desc_${opt}
eval "local ERROR_${opt}='CONFIG_${opt}: \"${!desc}\"" \
"is missing and REQUIRED'"
done
check_extra_config
echo
else
ewarn ""
ewarn "Your kernel configuration couldn't be checked. Do you have"
ewarn "/usr/src/linux/.config file there? Please check manually if"
ewarn "following options are enabled:"
ewarn ""
ewarn " CONFIG_BLK_DEV_INITRD"
ewarn " CONFIG_DEVTMPFS"
ewarn ""
fi
elog "To get additional features, a number of optional runtime"
elog "dependencies may be installed:"
elog ""
optfeature "Networking support" net-misc/curl "net-misc/dhcp[client]" \
sys-apps/iproute2
optfeature \
"Measure performance of the boot process for later visualisation" \
app-benchmarks/bootchart2 app-admin/killproc sys-process/acct
optfeature "Scan for Btrfs on block devices" sys-fs/btrfs-progs
optfeature "Load kernel modules and drop this privilege for real init" \
sys-libs/libcap
optfeature "Support CIFS" net-fs/cifs-utils
optfeature "Decrypt devices encrypted with cryptsetup/LUKS" \
"sys-fs/cryptsetup[-static-libs]"
optfeature "Support for GPG-encrypted keys for crypt module" \
app-crypt/gnupg
optfeature \
"Allows use of dash instead of default bash (on your own risk)" \
app-shells/dash
optfeature "Framebuffer splash (media-gfx/splashutils)" \
media-gfx/splashutils
optfeature "Support iSCSI" sys-block/open-iscsi
optfeature "Support Logical Volume Manager" sys-fs/lvm2
optfeature "Support MD devices, also known as software RAID devices" \
sys-fs/mdadm
optfeature "Support Device Mapper multipathing" sys-fs/multipath-tools
optfeature "Plymouth boot splash" '>=sys-boot/plymouth-0.8.5-r5'
optfeature "Support network block devices" sys-block/nbd
optfeature "Support NFS" net-fs/nfs-utils net-nds/rpcbind
optfeature \
"Install ssh and scp along with config files and specified keys" \
net-misc/openssh
optfeature "Enable logging with syslog-ng or rsyslog" app-admin/syslog-ng \
app-admin/rsyslog
}