sys-fs/aufs4/aufs4-0_pre20150420.ebuild

   1 # Copyright 1999-2015 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 # $Id$
   4
   5 EAPI=5
   6
   7 inherit eutils flag-o-matic linux-info linux-mod multilib readme.gentoo toolchain-funcs
   8
   9 AUFS_VERSION="${PV%%_p*}"
  10 # highest branch version
  11 PATCH_MAX_VER=0
  12 # highest supported version
  13 KERN_MAX_VER=1
  14 # lowest supported version
  15 KERN_MIN_VER=0
  16
  17 DESCRIPTION="An entirely re-designed and re-implemented Unionfs"
  18 HOMEPAGE="http://aufs.sourceforge.net/"
  19 SRC_URI="https://dev.gentoo.org/~jlec/distfiles/aufs4-standalone-${PV}.tar.xz"
  20
  21 LICENSE="GPL-2"
  22 SLOT="0"
  23 KEYWORDS="~amd64 ~x86"
  24 IUSE="debug doc fuse hfs inotify kernel-patch nfs pax_kernel ramfs"
  25
  26 DEPEND="
  27         dev-util/patchutils
  28         dev-vcs/git"
  29 RDEPEND="
  30         sys-fs/aufs-util
  31         !sys-fs/aufs
  32         !sys-fs/aufs2
  33         !sys-fs/aufs3"
  34
  35 S="${WORKDIR}"/${PN}-standalone
  36
  37 MODULE_NAMES="aufs(misc:${S})"
  38
  39 pkg_setup() {
  40         CONFIG_CHECK+=" !AUFS_FS"
  41         use inotify && CONFIG_CHECK+=" ~FSNOTIFY"
  42         use nfs && CONFIG_CHECK+=" EXPORTFS"
  43         use fuse && CONFIG_CHECK+=" ~FUSE_FS"
  44         use hfs && CONFIG_CHECK+=" ~HFSPLUS_FS"
  45         use pax_kernel && CONFIG_CHECK+=" PAX" && ERROR_PAX="Please use hardened sources"
  46
  47         # this is needed so merging a binpkg ${PN} is possible w/out a kernel unpacked on the system
  48         [ -n "$PKG_SETUP_HAS_BEEN_RAN" ] && return
  49
  50         get_version
  51         kernel_is lt 4 ${KERN_MIN_VER} 0 && die "the kernel version isn't supported by upstream anymore. Please upgrade."
  52         kernel_is gt 4 ${KERN_MAX_VER} 99 && die "kernel too new"
  53
  54         linux-mod_pkg_setup
  55
  56         if [[ "${KV_MINOR}" -gt "${PATCH_MAX_VER}" ]]; then
  57                 PATCH_BRANCH="x-rcN"
  58         else
  59                 PATCH_BRANCH="${KV_MINOR}"
  60         fi
  61
  62         case ${KV_EXTRA} in
  63                         "")
  64                                 elog "It seems you are using vanilla-sources with aufs4"
  65                                 elog "Please use sys-kernel/aufs-sources with USE=vanilla"
  66                                 elog "This will save you the nasty reemerge of sys-fs/aufs4 on every kernel upgrade"
  67                         ;;
  68                         "-gentoo")
  69                                 elog "It seems you are using gentoo-sources with aufs4"
  70                                 elog "Please use sys-kernel/aufs-sources"
  71                                 elog "This will save you the nasty reemerge of sys-fs/aufs4 on every kernel upgrade"
  72                         ;;
  73         esac
  74
  75         pushd "${T}" &> /dev/null
  76         unpack ${A}
  77         cd ${PN}-standalone || die
  78         local module_branch=origin/${PN}.${PATCH_BRANCH}
  79         einfo "Using ${module_branch} as patch source"
  80         git checkout -q -b local-${PN}.${PATCH_BRANCH} ${module_branch} || die
  81         combinediff ${PN}-base.patch ${PN}-standalone.patch  > "${T}"/combined-1.patch
  82         combinediff "${T}"/combined-1.patch ${PN}-mmap.patch > ${PN}-standalone-base-mmap-combined.patch
  83         if ! ( patch -p1 --dry-run --force -R -d ${KV_DIR} < ${PN}-standalone-base-mmap-combined.patch > /dev/null ); then
  84                 if use kernel-patch; then
  85                         cd ${KV_DIR}
  86                         ewarn "Patching your kernel..."
  87                         patch --no-backup-if-mismatch --force -p1 -R -d ${KV_DIR} < "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch >/dev/null
  88                         epatch "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
  89                         ewarn "You need to compile your kernel with the applied patch"
  90                         ewarn "to be able to load and use the aufs kernel module"
  91                 else
  92                         eerror "You need to apply a patch to your kernel to compile and run the ${PN} module"
  93                         eerror "Either enable the kernel-patch useflag to do it with this ebuild"
  94                         eerror "or apply "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch by hand"
  95                         die "missing kernel patch, please apply it first"
  96                 fi
  97         fi
  98         popd &> /dev/null
  99         export PKG_SETUP_HAS_BEEN_RAN=1
 100 }
 101
 102 set_config() {
 103         for option in $*; do
 104                 grep -q "^CONFIG_AUFS_${option} =" config.mk || die "${option} is not a valid config option"
 105                 sed "/^CONFIG_AUFS_${option}/s:=:= y:g" -i config.mk || die
 106         done
 107 }
 108
 109 src_prepare() {
 110         local module_branch=origin/${PN}.${PATCH_BRANCH}
 111
 112         einfo "Using for module creation branch ${module_branch}"
 113         git checkout -q -b local-gentoo ${module_branch} || die
 114
 115         # All config options to off
 116         sed "s:= y:=:g" -i config.mk || die
 117
 118         set_config RDU BRANCH_MAX_127 SBILIST
 119
 120         use debug && set_config DEBUG
 121         use fuse && set_config BR_FUSE POLL
 122         use hfs && set_config BR_HFSPLUS
 123         use inotify && set_config HNOTIFY HFSNOTIFY
 124         use nfs && set_config EXPORT
 125         use nfs && ( use amd64 || use ppc64 ) && set_config INO_T_64
 126         use ramfs && set_config BR_RAMFS
 127
 128         if use pax_kernel; then
 129                 epatch "${FILESDIR}"/pax-4.patch
 130         fi
 131
 132         sed -i "s:aufs.ko usr/include/linux/aufs_type.h:aufs.ko:g" Makefile || die
 133 }
 134
 135 src_compile() {
 136         local ARCH=x86
 137
 138         emake \
 139                 CC=$(tc-getCC) \
 140                 LD=$(tc-getLD) \
 141                 LDFLAGS="$(raw-ldflags)" \
 142                 ARCH=$(tc-arch-kernel) \
 143                 CONFIG_AUFS_FS=m \
 144                 KDIR="${KV_OUT_DIR}"
 145 }
 146
 147 src_install() {
 148         linux-mod_src_install
 149
 150         insinto /usr/share/doc/${PF}
 151
 152         use doc && doins -r Documentation
 153
 154         use kernel-patch || doins "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
 155
 156         dodoc Documentation/filesystems/aufs/README "${T}"/${PN}-standalone/{aufs4-loopback,vfs-ino,tmpfs-idr}.patch
 157
 158         readme.gentoo_create_doc
 159 }
 160
 161 pkg_postinst() {
 162         readme.gentoo_pkg_postinst
 163         linux-mod_pkg_postinst
 164 }