diff options
Diffstat (limited to 'sys-fs/aufs/aufs-20090126.ebuild')
| -rw-r--r-- | sys-fs/aufs/aufs-20090126.ebuild | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/sys-fs/aufs/aufs-20090126.ebuild b/sys-fs/aufs/aufs-20090126.ebuild new file mode 100644 index 000000000..1d2ffba9e --- /dev/null +++ b/sys-fs/aufs/aufs-20090126.ebuild @@ -0,0 +1,175 @@ +# Copyright 1999-2009 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: $ + +inherit eutils linux-mod + +DESCRIPTION="An entirely re-designed and re-implemented Unionfs." +HOMEPAGE="http://aufs.sourceforge.net/" +SRC_URI="http://dev.gentooexperimental.org/~tommy/distfiles/${P}.tar.bz2" + +LICENSE="GPL-2" +SLOT="0" +KEYWORDS="~amd64 ~x86" +IUSE="debug fuse hinotify nfs nfsexport robr sec_perm" + +S="${WORKDIR}"/aufs + +MODULE_NAMES="aufs(misc:${S})" + +pkg_setup() { + # kernel version check + if kernel_is lt 2 6 16 ; then + eerror "${PN} is being developed and tested on linux-2.6.16 and later." + eerror "Make sure you have a proper kernel version!" + die "Wrong kernel version" + fi + + get_version + + # assume no kernel patches will be applied today + APPLY_KERNEL_PATCH="n" + + # Check if sec_perm patch needs to be applied + if kernel_is ge 2 6 24 && linux_chkconfig_present "SECURITY" ; then + APPLY_SEC_PERM_PATCH="n" + if ! grep -qs "EXPORT_SYMBOL(security_inode_permission);" "${KV_DIR}/security/security.c" ; then + APPLY_SEC_PERM_PATCH="y" + APPLY_KERNEL_PATCH="y" + fi + + # make sure the user is allowing this to happen + if [[ APPLY_SEC_PERM_PATCH = "y" ]] && ! use sec_perm; then + eerror "${PN} requires that all kernels with CONFIG_SECURITY enabled >= 2.6.24" + eerror "be patched. Please enable USE=\"sec_perm\" to allow this patch to be" + eerror "applied." + die "Invalid configuration" + fi + # Also check to make sure they aren't enabling it when they don't need to + else + if use sec_perm ; then + eerror "${PN} does not require the sec_perm patch to be applied to your kernel." + eerror "Please disabe the sec_perm USE flag: USE=\"-sec_perm\"." + die "Invalid configuration" + fi + fi + + # Check for applicability of lhash patch for NFS branch support + # Check if lhash Patch has to be applied + if use nfs && kernel_is ge 2 6 19 ; then + APPLY_LHASH_PATCH="n" + # If lhash patch is not applied + if ! grep -qs "EXPORT_SYMBOL(__lookup_hash);" "${KV_DIR}/fs/namei.c" \ + && ! grep -qs "struct dentry * __lookup_hash(struct qstr *name, struct dentry * base, struct nameidata *nd);" "${KV_DIR}/fs/namei.h" ; then + APPLY_LHASH_PATCH="y" + APPLY_KERNEL_PATCH="y" + fi + fi + + + # If a patch has to be applied + if [[ ${APPLY_KERNEL_PATCH} == "y" ]] ; then + ewarn "Patching your kernel..." + cd ${KV_DIR} + + # If the sec_perm patch has to be applied + if [[ ${APPLY_SEC_PERM_PATCH} == "y" ]] ; then + epatch "${FILESDIR}"/${P}-sec_perm-2.6.24.patch + fi + + # if the lhash patch has to be applied + if [[ ${APPLY_LHASH_PATCH} == "y" ]] ; then + if kernel_is ge 2 6 24 ; then + epatch "${FILESDIR}"/${PN}-lhash-2.6.24.patch + else + if kernel_is ge 2 6 22 ; then + epatch "${FILESDIR}"/${PN}-lhash-2.6.22.patch + else + epatch "${FILESDIR}"/${PN}-lhash-2.6.19.patch + fi + fi + fi + fi + + linux-mod_pkg_setup +} + +src_unpack(){ + unpack ${A} + cd "${S}" + + # Enable hinotify in priv_def.mk + if use hinotify && kernel_is ge 2 6 18 ; then + echo "CONFIG_AUFS_HINOTIFY = y" >> priv_def.mk || die "setting hinotify in priv_def.mk failed!" + fi + + # Disable SYSAUFS for kernel less than 2.6.18 + if kernel_is lt 2 6 18 ; then + echo "CONFIG_AUFS_SYSAUFS = " >> priv_def.mk || die "unsetting sysaufs in priv_def.mk failed!" + fi + + # Enable nfsexport in priv_def.mk + if use nfsexport && kernel_is ge 2 6 18 ; then + echo "CONFIG_AUFS_EXPORT = y" >> priv_def.mk || die "setting export in priv_def.mk failed!" + fi + + # Enable lhash Patch in priv_def.mk + if use nfs && kernel_is ge 2 6 19 ; then + echo "CONFIG_AUFS_LHASH_PATCH = y" >> priv_def.mk || die "setting lhash in priv_def.mk failed!" + fi + + # Enable aufs readonly-branch in priv_def.mk + if use robr ; then + echo "CONFIG_AUFS_ROBR = y" >> priv_def.mk || die "setting robr in priv_def.mk failed!" + fi + + # Enable FUSE workaround for AUFS + if use fuse ; then + echo "CONFIG_AUFS_WORKAROUND_FUSE = y" >> priv_def.mk || die "setting workaround_fuse in priv_def.mk failed!" + fi + + # Enable / Disable debugging + if use debug ; then + echo "CONFIG_AUFS_DEBUG = y" >> priv_def.mk || die "setting debug in priv_dev.mk failed!" + else + echo "CONFIG_AUFS_DEBUG = " >> priv_def.mk || die "setting debug in priv_dev.mk failed!" + fi + + # Check if a vserver-kernel is installed + if [[ -e ${KV_DIR}/include/linux/vserver ]] ; then + einfo "vserver kernel seems to be installed" + einfo "using vserver patch" + echo "AUFS_DEF_CONFIG = -DVSERVER" >> priv_def.mk || die "setting vserver in priv_def.mk failed!" + fi +} + +src_compile() { + use x86 && ARCH=i386 + use amd64 && ARCH=x86_64 + emake KDIR=${KV_DIR} SUBLEVEL=${KV_PATCH} -f local.mk || die "emake failed" +} + +src_install() { + cd util + exeinto /sbin + exeopts -m0500 + doexe mount.aufs umount.aufs auplink aulchown + doman aufs.5 + insinto /etc/default + newins etc_default_aufs aufs || die + linux-mod_src_install +} + +pkg_postinst() { + elog "To be able to use aufs, you have to load the kernel module by typing:" + elog "modprobe aufs" + elog "For further information refer to the aufs man page" + + if use sec_perm || use nfs ; then + ewarn "Your kernel has been patched in order to export security" + ewarn "permissions. You will need to recompile your kernel with" + ewarn "this new patch in order for ${PN} to function." + fi + + linux-mod_pkg_postinst +} |