summaryrefslogtreecommitdiff
blob: 90e24e02bb6f18b76f71ccdd92bef24fed960f8b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/aufs3/aufs3-3_p20150518.ebuild,v 1.1 2015/05/18 06:15:37 jlec Exp $

EAPI=5

inherit eutils flag-o-matic linux-info linux-mod multilib readme.gentoo toolchain-funcs

AUFS_VERSION="${PV%%_p*}"
# highest branch version
PATCH_MAX_VER=19
# highest supported version
KERN_MAX_VER=20
# lowest supported version
KERN_MIN_VER=14

DESCRIPTION="An entirely re-designed and re-implemented Unionfs"
HOMEPAGE="http://aufs.sourceforge.net/"
SRC_URI="http://dev.gentoo.org/~jlec/distfiles/aufs3-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/aufs4"

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 3 ${KERN_MIN_VER} 0 && die "the kernel version isn't supported by upstream anymore. Please upgrade."
	kernel_is gt 3 ${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 [[ "${KV_MINOR}" == "14" ]] && [[ "${KV_PATCH}" -ge "21" ]]; then
		PATCH_BRANCH="${KV_MINOR}".12+
	elif [[ "${KV_MINOR}" == "18" ]] && [[ "${KV_PATCH}" -ge "1" ]]; then
		PATCH_BRANCH="${KV_MINOR}".1+
	else
		PATCH_BRANCH="${KV_MINOR}"
	fi

	case ${KV_EXTRA} in
			"")
				elog "It seems you are using vanilla-sources with aufs3"
				elog "Please use sys-kernel/aufs-sources with USE=vanilla"
				elog "This will save you the nasty reemerge of sys-fs/aufs3 on every kernel upgrade"
			;;
			"-gentoo")
				elog "It seems you are using gentoo-sources with aufs3"
				elog "Please use sys-kernel/aufs-sources"
				elog "This will save you the nasty reemerge of sys-fs/aufs3 on every kernel upgrade"
			;;
	esac

	pushd "${T}" &> /dev/null
	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

	if use pax_kernel; then
		if kernel_is ge 3 11; then
			epatch "${FILESDIR}"/pax-3.11.patch
		else
			epatch "${FILESDIR}"/pax-3.patch
		fi
	fi

	sed -i "s:aufs.ko usr/include/linux/aufs_type.h:aufs.ko:g" Makefile || die
}

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

	insinto /usr/share/doc/${PF}

	use doc && doins -r Documentation

	use kernel-patch || doins "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch

	dodoc Documentation/filesystems/aufs/README "${T}"/${PN}-standalone/{aufs3-loopback,vfs-ino,tmpfs-idr}.patch

	readme.gentoo_create_doc
}

pkg_postinst() {
	readme.gentoo_pkg_postinst
	linux-mod_pkg_postinst
}