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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit eutils flag-o-matic linux-info linux-mod multilib readme.gentoo-r1 toolchain-funcs
AUFS_VERSION="${PV%%_p*}"
# highest branch version
PATCH_MAX_VER=9
# highest supported version
KERN_MAX_VER=10
# lowest supported version
KERN_MIN_VER=0
DESCRIPTION="An entirely re-designed and re-implemented Unionfs"
HOMEPAGE="http://aufs.sourceforge.net/"
SRC_URI="https://dev.gentoo.org/~jlec/distfiles/aufs4-standalone-${PV}.tar.xz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="debug doc fuse hfs inotify kernel-patch nfs pax_kernel ramfs"
DEPEND="
dev-util/patchutils
dev-vcs/git"
RDEPEND="
sys-fs/aufs-util
!sys-fs/aufs
!sys-fs/aufs2
!sys-fs/aufs3"
S="${WORKDIR}"/${PN}-standalone
MODULE_NAMES="aufs(misc:${S})"
pkg_setup() {
CONFIG_CHECK+=" !AUFS_FS"
use inotify && CONFIG_CHECK+=" ~FSNOTIFY"
use nfs && CONFIG_CHECK+=" EXPORTFS"
use fuse && CONFIG_CHECK+=" ~FUSE_FS"
use hfs && CONFIG_CHECK+=" ~HFSPLUS_FS"
use pax_kernel && CONFIG_CHECK+=" PAX" \
&& ERROR_PAX="Please use hardened sources"
# this is needed so merging a binpkg ${PN} is
# possible w/out a kernel unpacked on the system
[[ -n "$PKG_SETUP_HAS_BEEN_RAN" ]] && return
get_version
kernel_is lt 4 ${KERN_MIN_VER} 0 && \
die "the kernel version isn't supported by upstream anymore. Please upgrade."
kernel_is gt 4 ${KERN_MAX_VER} 99 && die "kernel too new"
linux-mod_pkg_setup
if [[ "${KV_MINOR}" -gt "${PATCH_MAX_VER}" ]]; then
PATCH_BRANCH="x-rcN"
elif [[ "${KV_MINOR}" == "1" ]] && [[ "${KV_PATCH}" -ge "13" ]]; then
PATCH_BRANCH="${KV_MINOR}".13+
else
PATCH_BRANCH="${KV_MINOR}"
fi
case ${KV_EXTRA} in
"")
elog "It seems you are using vanilla-sources with aufs4"
elog "Please use sys-kernel/aufs-sources with USE=vanilla"
elog "This will save you the nasty reemerge of sys-fs/aufs4 on every kernel upgrade"
;;
"-gentoo")
elog "It seems you are using gentoo-sources with aufs4"
elog "Please use sys-kernel/aufs-sources"
elog "This will save you the nasty reemerge of sys-fs/aufs4 on every kernel upgrade"
;;
esac
pushd "${T}" &> /dev/null || die
unpack ${A}
cd ${PN}-standalone || die
local module_branch=origin/${PN}.${PATCH_BRANCH}
einfo "Using ${module_branch} as patch source"
git checkout -q -b local-${PN}.${PATCH_BRANCH} ${module_branch} || die
combinediff \
${PN}-base.patch ${PN}-standalone.patch > "${T}"/combined-1.patch
combinediff \
"${T}"/combined-1.patch ${PN}-mmap.patch \
> ${PN}-standalone-base-mmap-combined.patch
if ! ( patch -p1 --dry-run --force -R -d ${KV_DIR} < ${PN}-standalone-base-mmap-combined.patch > /dev/null ); then
if use kernel-patch; then
cd ${KV_DIR}
ewarn "Patching your kernel..."
patch \
--no-backup-if-mismatch --force -p1 -R -d ${KV_DIR} \
< "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch \
> /dev/null
epatch "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
ewarn "You need to compile your kernel with the applied patch"
ewarn "to be able to load and use the aufs kernel module"
else
eerror "You need to apply a patch to your kernel to compile and run the ${PN} module"
eerror "Either enable the kernel-patch useflag to do it with this ebuild"
eerror "or apply "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch by hand"
die "missing kernel patch, please apply it first"
fi
fi
popd &> /dev/null
export PKG_SETUP_HAS_BEEN_RAN=1
}
set_config() {
for option in $*; do
grep -q "^CONFIG_AUFS_${option} =" config.mk || \
die "${option} is not a valid config option"
sed "/^CONFIG_AUFS_${option}/s:=:= y:g" -i config.mk || die
done
}
src_prepare() {
local module_branch=origin/${PN}.${PATCH_BRANCH}
einfo "Using for module creation branch ${module_branch}"
git checkout -q -b local-gentoo ${module_branch} || die
# All config options to off
sed "s:= y:=:g" -i config.mk || die
set_config RDU BRANCH_MAX_127 SBILIST
use debug && set_config DEBUG
use fuse && set_config BR_FUSE POLL
use hfs && set_config BR_HFSPLUS
use inotify && set_config HNOTIFY HFSNOTIFY
use nfs && set_config EXPORT
use nfs && ( use amd64 || use ppc64 ) && set_config INO_T_64
use ramfs && set_config BR_RAMFS
use pax_kernel && epatch "${FILESDIR}"/pax-4.patch
sed \
-e "s:aufs.ko usr/include/linux/aufs_type.h:aufs.ko:g" \
-i Makefile || die
eapply_user
}
src_compile() {
local ARCH=x86
emake \
CC=$(tc-getCC) \
LD=$(tc-getLD) \
LDFLAGS="$(raw-ldflags)" \
ARCH=$(tc-arch-kernel) \
CONFIG_AUFS_FS=m \
KDIR="${KV_OUT_DIR}"
}
src_install() {
linux-mod_src_install
use doc && dodoc -r Documentation
use kernel-patch || \
doins "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
dodoc \
Documentation/filesystems/aufs/README \
"${T}"/${PN}-standalone/{aufs4-loopback,vfs-ino,tmpfs-idr}.patch
readme.gentoo_create_doc
}
pkg_postinst() {
readme.gentoo_print_elog
linux-mod_pkg_postinst
}
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