sys-fs/bees: add 0.8

Closes: https://bugs.gentoo.org/876391
Signed-off-by: Kai Krakow <kai@kaishome.de>
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 110 insertions, 0 deletions

diff --git a/sys-fs/bees/Manifest b/sys-fs/bees/Manifest
index 1c7af0985034..0ffeabb2032d 100644
--- a/sys-fs/bees/Manifest
+++ b/sys-fs/bees/Manifest
@@ -1,2 +1,3 @@
 DIST bees-0.6.5.tar.gz 125987 BLAKE2B 459cec5f3c706045ee12a6efe2e32315d71ca16c966bbdb4d6c813f726a7cc411cf4bd272c082ba0bbfc33e9ec4c715a6be773ba929c2b5b31f1731e10ad137c SHA512 db4cf6bc8c7709ee9aa1e2faa2ac1c6323fb8c7407470cec0c370a0f910ec4a1f3cf6ebe695d16383aaec00b62b3de77aa5bbdd47502bdb564e247b3b8879e0b
 DIST bees-0.7.tar.gz 164311 BLAKE2B b0b7f1bc24257e385b6201f473bf9377021d542a257b341c5c8ba5372fa604697e717bb65329d57abf2d2ac4311325e3242c481430629c911fcee3e42e1ea55e SHA512 beee7563ae0ea43247465941ef15f7bab2d86d5d164ccb280c378678b0bf61a67a4718881b94a5f3a72d4d0296eda92bfd7464dae0faeaa72b0e2a4ebef39a53
+DIST bees-0.8.tar.gz 166890 BLAKE2B 26c7563ed1433526371d45e5f2f9e4f2a749e18f0d97e7a2ee445ef9d4cdf49210c8a96f756c04d19337497d12eacde28430f9ad64df198ff44c901b1bfc36c2 SHA512 92208ee186de18e764fab42f3de4e518047a21f4ed2429040a706fe7a45e0b2d39d1e468beefc92553659fc4587f4894a33d5a26bfd59278923208db3acc7da0
diff --git a/sys-fs/bees/bees-0.8.ebuild b/sys-fs/bees/bees-0.8.ebuild
new file mode 100644
index 000000000000..5ceba33ee963
--- /dev/null
+++ b/sys-fs/bees/bees-0.8.ebuild
@@ -0,0 +1,109 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit linux-info systemd toolchain-funcs
+
+DESCRIPTION="Best-Effort Extent-Same, a btrfs dedup agent"
+HOMEPAGE="https://github.com/Zygo/bees"
+
+if [[ ${PV} == 9999 ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/Zygo/bees.git"
+else
+	SRC_URI="https://github.com/Zygo/bees/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm64"
+fi
+
+LICENSE="GPL-3"
+SLOT="0"
+IUSE="tools"
+
+DEPEND="
+	>=sys-apps/util-linux-2.30.2
+	>=sys-fs/btrfs-progs-4.20.2
+"
+RDEPEND="${DEPEND}"
+
+CONFIG_CHECK="~BTRFS_FS"
+ERROR_BTRFS_FS="CONFIG_BTRFS_FS: bees does currently only work with btrfs"
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} != buildonly ]]; then
+		if kernel_is -lt 4 11; then
+			ewarn "With kernel versions below 4.11, bees may severely degrade system performance"
+			ewarn "and responsiveness. Especially, the kernel may deadlock while bees is"
+			ewarn "running, it's recommended to run at least kernel 4.11."
+			ewarn
+		elif kernel_is -lt 4 14 29; then
+			ewarn "With kernel versions below 4.14.29, bees may generate a lot of bogus WARN_ON()"
+			ewarn "messages in the kernel log. These messages can be ignored and this is fixed"
+			ewarn "with more recent kernels:"
+			ewarn "# WARNING: CPU: 3 PID: 18172 at fs/btrfs/backref.c:1391 find_parent_nodes+0xc41/0x14e0"
+			ewarn
+		elif kernel_is -lt 5 7 0; then
+			ewarn "With kernel versions below 5.4.96 and 5.7, the kernel may hold file system"
+			ewarn "locks for a long time while at the same time CPU usage increases when bees is"
+			ewarn "operating. bees tries to avoid this behavior by excluding very common extents"
+			ewarn "from deduplication. This has only a minimal impact on dedupe effectiveness."
+			ewarn
+		fi
+		if kernel_is -lt 5 1 0; then
+			ewarn "IMPORTANT: With kernel versions below 5.1.0, you may experience data corruption"
+			ewarn "due to bees using compression in btrfs. You are adviced to use a chronologically"
+			ewarn "later kernel, that includes older LTS versions released after 5.0.4:"
+			ewarn "Fixed in: 5.1+, 5.0.4+, 4.19.31+, 4.14.108+, 4.9.165+, 4.4.177+, 3.18.137+"
+			ewarn "# commit 8e92821 btrfs: fix corruption reading shared and compressed extents after hole punching"
+			ewarn
+		fi
+		if kernel_is -lt 5 4 19; then
+			ewarn "With kernel versions below 5.4.19, bees may trigger a btrfs bug when running"
+			ewarn "btrfs-balance in parallel. This may lead to meta-data corruption in the worst"
+			ewarn "case. Especially, kernels 5.1.21 and 5.2.21 should be avoided. Kernels 5.0.x"
+			ewarn "after 5.0.21 should be safe. In the best case, affected kernels may force"
+			ewarn "the device RO without writing corrupted meta-data. More details:"
+			ewarn "https://github.com/Zygo/bees/blob/master/docs/btrfs-kernel.md"
+			ewarn
+		fi
+		if kernel_is -ge 5 4 0; then
+			ewarn "With kernel version 5.4 or later, the kernel may hang when multiple threads"
+			ewarn "are running LOGICAL_INO and dedupe ioctl. This is not exclusively triggered"
+			ewarn "by bees but also other software running such operations, bees will just more"
+			ewarn "likely to trigger the bug. You can work around this issue by reducing the"
+			ewarn "thread count of bees to 1."
+			ewarn
+		fi
+
+		elog "Bees recommends running the latest current kernel for performance and"
+		elog "reliability reasons, see README.md."
+	fi
+}
+
+src_prepare() {
+	default
+	sed -i 's/ -Werror//' makeflags || die
+}
+
+src_configure() {
+	tc-export CC CXX AR
+	cat >localconf <<-EOF || die
+		ETC_PREFIX="${EPREFIX}/etc"
+		LIBEXEC_PREFIX="${EPREFIX}/usr/libexec"
+		PREFIX="${EPREFIX}/usr"
+		SYSTEMD_SYSTEM_UNIT_DIR="$(systemd_get_systemunitdir)"
+		DEFAULT_MAKE_TARGET=all
+	EOF
+	if [[ ${PV} != "9999" ]] ; then
+		echo BEES_VERSION=v${PV} >>localconf || die
+	fi
+	if use tools; then
+		echo OPTIONAL_INSTALL_TARGETS=install_tools >>localconf || die
+	fi
+}
+
+src_compile() {
+	default
+	# localconf quotes leak in the systemd unit but are still needed for spaces
+	sed -i 's/"//g' scripts/beesd@.service || die
+}