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Diffstat (limited to 'sys-fs/bees/bees-0.9.ebuild')
| -rw-r--r-- | sys-fs/bees/bees-0.9.ebuild | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sys-fs/bees/bees-0.9.ebuild b/sys-fs/bees/bees-0.9.ebuild new file mode 100644 index 000000000000..70b55ab3d423 --- /dev/null +++ b/sys-fs/bees/bees-0.9.ebuild @@ -0,0 +1,106 @@ +# Copyright 1999-2023 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 -> ${P}.tar.gz" + KEYWORDS="~amd64 ~arm64" +fi + +LICENSE="GPL-3" +SLOT="0" +IUSE="" + +DEPEND=" + >=sys-apps/util-linux-2.30.2 + >=sys-fs/btrfs-progs-4.20.2 +" +RDEPEND="${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 trigger this 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 +} + +src_compile() { + default + # localconf quotes leak in the systemd unit but are still needed for spaces + sed -i 's/"//g' scripts/beesd@.service || die +} |