[gentoo-commits] repo/gentoo:master commit in: sys-fs/bees/

["Sam James" <sam@gentoo.org>]

commit:     112defea1e05d61b512866a3fe2d3163f59cbfb9
Author:     Kai Krakow <kai <AT> kaishome <DOT> de>
AuthorDate: Sun Jan 19 13:05:16 2025 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Mon Jan 20 03:35:50 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=112defea

sys-fs/bees: add 0.11_rc3

Signed-off-by: Kai Krakow <kai <AT> kaishome.de>
Closes: https://github.com/gentoo/gentoo/pull/39772
Signed-off-by: Sam James <sam <AT> gentoo.org>

 sys-fs/bees/Manifest             |   1 +
 sys-fs/bees/bees-0.11_rc3.ebuild | 127 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 128 insertions(+)

diff --git a/sys-fs/bees/Manifest b/sys-fs/bees/Manifest
index 95df53082d6c..c5d207aa4f5f 100644
--- a/sys-fs/bees/Manifest
+++ b/sys-fs/bees/Manifest
@@ -1 +1,2 @@
 DIST bees-0.10.tar.gz 177509 BLAKE2B 269cf65d5250a07297dfaee6c0fd6bc25199d63fe423d63ce39df8bcdb64d6f8110a0e03d0dc7dc1b105a8886f2a9364da8878481546eaa8dbf3dc46abc569ed SHA512 77a4ae3d66430c2d9dc0351c16c60bad95f21e238fc00f5f5787f55929ba75ee25212ac4bb4a3e4a9419cec27bbcfd2987aa925a54bc2872609b38a698dbedc3
+DIST bees-0.11-rc3.tar.gz 193475 BLAKE2B bb3d867843266ea5766bc079d6731c79bdc80b9df5cf08a3fa3361ecbe439002a396610b32d3875085c672cf891b55c61ccce7260d22a537d705c2a89b040e4c SHA512 66f42ff60ccdbd56a022d94370aa856453d016d69469c503a2182535b630e5b6d0d0fecf12574f1b23750942b48a9473414424cb9ad1954ef11a3b7a8e6ea1a6

diff --git a/sys-fs/bees/bees-0.11_rc3.ebuild b/sys-fs/bees/bees-0.11_rc3.ebuild
new file mode 100644
index 000000000000..c2a394c8ae3a
--- /dev/null
+++ b/sys-fs/bees/bees-0.11_rc3.ebuild
@@ -0,0 +1,127 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit linux-info systemd toolchain-funcs
+
+DESCRIPTION="Best-Effort Extent-Same, a btrfs dedup agent"
+HOMEPAGE="https://github.com/Zygo/bees"
+
+if [[ ${PV} == 9999 ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/Zygo/bees.git"
+else
+	MY_PV=${PV/_/-}
+	MY_P=${P/_/-}
+	S=${WORKDIR}/${MY_P}
+
+	SRC_URI="https://github.com/Zygo/bees/archive/v${MY_PV}.tar.gz -> ${MY_P}.tar.gz"
+	KEYWORDS=""
+fi
+
+LICENSE="GPL-3"
+SLOT="0"
+
+DEPEND="
+	>=sys-apps/util-linux-2.30.2
+	>=sys-fs/btrfs-progs-4.20.2
+"
+RDEPEND="${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 -gt 5 15 106; then
+			if kernel_is -lt 6 3 10; then
+				ewarn "With kernel versions 5.15.107 or later, there is a memory fragmentation"
+				ewarn "issue with LOGICAL_INO which can lead to cache thrashing and cause IO"
+				ewarn "latency spikes. This version ships with a work-around at the cost of not"
+				ewarn "handling highly duplicated filesystems that well. More details:"
+				ewarn "https://github.com/Zygo/bees/issues/260"
+				ewarn
+			fi
+		fi
+		if kernel_is -lt 5.7; then
+			ewarn "WARNING: Kernel versions lower than 5.7 are no longer really supported by"
+			ewarn "bees. While there should be no unexpected data loss, you may experience"
+			ewarn "severe slowdowns or even system lockups."
+			ewarn
+		fi
+	fi
+}
+
+pkg_postinst() {
+	if [[ ${MERGE_TYPE} != buildonly ]]; then
+		elog "Bees recommends running the latest current kernel for performance and"
+		elog "reliability reasons, see README.md."
+		elog
+		elog "NEWS: bees now defaults to a much improved extent-based scanner. It is compatible"
+		elog "with your existing state database in \`\$BEESHOME\` but it may start over from the"
+		elog "beginning. However, it will keep the state of the old scanner, so you can switch"
+		elog "back and forth. To actually use the new scanner, use scan mode 4 or remove the"
+		elog "scan mode parameter from your init script. Requires kernel 4.14 or higher!"
+	fi
+}
+
+src_prepare() {
+	default
+	sed -i 's/ -Werror//' makeflags || die
+}
+
+src_configure() {
+	tc-export CC CXX AR
+	cat >localconf <<-EOF || die
+		ETC_PREFIX="${EPREFIX}/etc"
+		LIBEXEC_PREFIX="${EPREFIX}/usr/libexec"
+		PREFIX="${EPREFIX}/usr"
+		SYSTEMD_SYSTEM_UNIT_DIR="$(systemd_get_systemunitdir)"
+		DEFAULT_MAKE_TARGET=all
+	EOF
+	if [[ ${PV} != "9999" ]] ; then
+		echo BEES_VERSION=v${MY_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
+}