67 lines
2 KiB
Bash
67 lines
2 KiB
Bash
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# Copyright 1999-2018 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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inherit linux-info
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DESCRIPTION="Best-Effort Extent-Same, a btrfs dedup agent"
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HOMEPAGE="https://github.com/Zygo/bees"
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if [[ ${PV} == "9999" ]] ; then
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EGIT_REPO_URI="https://github.com/Zygo/bees.git"
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inherit git-r3
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else
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SRC_URI="https://github.com/Zygo/bees/archive/v${PV}.tar.gz -> ${P}.tar.gz"
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KEYWORDS="~amd64"
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fi
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LICENSE="GPL-3"
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SLOT="0"
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IUSE="tools"
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DEPEND="
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>=sys-apps/util-linux-2.30.2
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>=sys-fs/btrfs-progs-4.1
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"
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RDEPEND="${DEPEND}"
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CONFIG_CHECK="~BTRFS_FS"
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ERROR_BTRFS_FS="CONFIG_BTRFS_FS: bees does currently only work with btrfs"
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pkg_pretend() {
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if [[ ${MERGE_TYPE} != buildonly ]]; then
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if kernel_is -lt 4 4 3; then
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ewarn "Kernel versions below 4.4.3 lack critical features needed for bees to"
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ewarn "properly operate, so it won't work. It's recommended to run at least"
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ewarn "kernel version 4.11 for best performance and reliability."
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ewarn
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elif kernel_is -lt 4 11; then
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ewarn "With kernel versions below 4.11, bees may severely degrade system performance"
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ewarn "and responsiveness. Especially, the kernel may deadlock while bees is"
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ewarn "running, it's recommended to run at least kernel 4.11."
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ewarn
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elif kernel_is -lt 4 14 29; then
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ewarn "With kernel versions below 4.14.29, bees may generate a lot of bogus WARN_ON()"
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ewarn "messages in the kernel log. These messages can be ignored and this is fixed"
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ewarn "with more recent kernels:"
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ewarn "# WARNING: CPU: 3 PID: 18172 at fs/btrfs/backref.c:1391 find_parent_nodes+0xc41/0x14e0"
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ewarn
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fi
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elog "Bees recommends to run the latest current kernel for performance and"
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elog "reliability reasons, see README.md."
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fi
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}
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src_configure() {
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cat >localconf <<-EOF || die
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LIBEXEC_PREFIX=/usr/libexec
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PREFIX=/usr
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LIBDIR=$(get_libdir)
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DEFAULT_MAKE_TARGET=all
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EOF
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if use tools; then
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echo OPTIONAL_INSTALL_TARGETS=install_tools >>localconf || die
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fi
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}
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