Apocrypha

bcachefs-tools-1.38.5xarblu-overlay

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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# shellcheck shell=bash
# shellcheck disable=SC2034

EAPI=8

CRATES="
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"

LLVM_COMPAT=( {19..22} )
MODULES_INITRAMFS_IUSE=+initramfs
MODULES_KERNEL_MIN=6.16
PYTHON_COMPAT=( python3_{12..14} )
RUST_MIN_VER="1.85.0"
RUST_NEEDS_LLVM=1
VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/kentoverstreet.asc

# for _pre* snapshots
# git -c safe.directory=$PWD -c core.abbrev=12 describe
# ("v${PV}" if unset)
#BCH_VERSION=
# matching commit for S
#COMMIT=

inherit cargo flag-o-matic linux-mod-r1 llvm-r1 multiprocessing python-any-r1
inherit shell-completion toolchain-funcs unpacker verify-sig udev systemd

DESCRIPTION="Tools for bcachefs"
HOMEPAGE="https://bcachefs.org/"
if [[ ${PV} == "9999" ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://evilpiepirate.org/git/bcachefs-tools.git"
else
	if [[ ${PV} == *_pre* ]]; then
		# fetch via BCH_VERSION as a rough QA check (should always match COMMIT)
		SRC_URI="
			https://github.com/koverstreet/bcachefs-tools/archive/${BCH_VERSION}.tar.gz
				-> ${PN}-${BCH_VERSION}.tar.gz
			${CARGO_CRATE_URIS}
		"
		S="${WORKDIR}/${PN}-${COMMIT}"
	else
		SRC_URI="
			https://evilpiepirate.org/bcachefs-tools/${P}.tar.zst
			${CARGO_CRATE_URIS}
		"
		SRC_URI+=" verify-sig? ( https://evilpiepirate.org/bcachefs-tools/bcachefs-tools-${PV}.tar.sign )"
		S="${WORKDIR}/${P}"
		KEYWORDS="~amd64 ~arm64"
	fi
fi

LICENSE="GPL-2"
# Dependent crate licenses
LICENSE+=" Apache-2.0 BSD-2 BSD ISC MIT Unicode-DFS-2016"
SLOT="0"
IUSE="debug llvm-libunwind +modules verify-sig"

# manual testing for now:
# fallocate -l 10G /tmp/bcfs.img
# loopdev=$(losetup --find --show /tmp/bcfs.img)
# bcachefs format $loopdev
# mkdir -p /tmp/bcfs-mount
# mount -t bcachefs $loopdev /tmp/bcfs-mount
# touch /tmp/bcfs-mount/foo
RESTRICT="test"

DEPEND="
	app-arch/lz4:=
	app-arch/zstd:=
	dev-libs/libaio
	dev-libs/libsodium:=
	dev-libs/userspace-rcu:=
	sys-apps/keyutils:=
	sys-apps/util-linux
	virtual/zlib:=
	virtual/udev
	llvm-libunwind? ( llvm-runtimes/libunwind )
	!llvm-libunwind? ( sys-libs/libunwind )
"

# bcachefs-kmod in ::guru provided USE=modules for previous tools versions.
RDEPEND="
	${DEPEND}
	modules? ( !sys-fs/bcachefs-kmod )
"

# Clang is required for bindgen
# shellcheck disable=SC2016 # don't want expansion
BDEPEND="
	${PYTHON_DEPS}
	$(python_gen_any_dep '
		dev-python/docutils[${PYTHON_USEDEP}]
	')
	$(unpacker_src_uri_depends)
	$(llvm_gen_dep '
		llvm-core/clang:${LLVM_SLOT}
	')
	elibc_musl? ( >=sys-libs/musl-1.2.5 )
	virtual/pkgconfig
	modules? ( >=sys-kernel/linux-headers-${MODULES_KERNEL_MIN}.0 )
	verify-sig? ( >=sec-keys/openpgp-keys-kentoverstreet-20241012 )
	${RUST_DEPEND}
"

QA_FLAGS_IGNORED="sbin/bcachefs"

python_check_deps() {
	python_has_version "dev-python/docutils[${PYTHON_USEDEP}]"
}

pkg_setup() {
	# early llvm_prepend_path
	# to keep C and Rust synced
	if [[ ${MERGE_TYPE} != binary ]]; then
		llvm_prepend_path "${LLVM_SLOT}"
	fi

	llvm-r1_pkg_setup
	python-any-r1_pkg_setup
	rust_pkg_setup
	if use modules; then
		# grep -r 'depends on\|select ' ${S}/fs/Kconfig | grep -v '^#'
		local CONFIG_CHECK="
			!BCACHEFS_FS
			BLOCK
			EXPORTFS
			CRC32
			CRC64
			FS_POSIX_ACL
			LZ4_COMPRESS
			LZ4_DECOMPRESS
			LZ4HC_COMPRESS
			ZLIB_DEFLATE
			ZLIB_INFLATE
			ZSTD_COMPRESS
			ZSTD_DECOMPRESS
			CRYPTO_LIB_SHA256
			CRYPTO_LIB_CHACHA
			CRYPTO_LIB_POLY1305
			KEYS
			RAID6_PQ
			XOR_BLOCKS
			XXHASH
			SYMBOLIC_ERRNAME
		"
		use debug && CONFIG_CHECK+="
			DEBUG_INFO
			FRAME_POINTER
			!DEBUG_INFO_REDUCED
		"
		linux-mod-r1_pkg_setup
	fi
}

src_unpack() {
	if [[ ${PV} == "9999" ]]; then
		git-r3_src_unpack
		S="${S}/rust-src" cargo_live_src_unpack
	else
		# Upstream signs the uncompressed tarball
		# Snapshots come from GitHub and thus aren't signed
		if [[ ${PV} != *_pre* ]] && use verify-sig; then
			einfo "Unpacking ${P}.tar.zst ..."
			verify-sig_verify_detached - "${DISTDIR}/${P}.tar.sign" \
				< <(zstd -fdc "${DISTDIR}/${P}.tar.zst" | tee >(tar -xf -))
			assert "Unpack failed"
		fi

		if [[ ${PV} == *_pre* ]]; then
			unpacker "${PN}-${BCH_VERSION}.tar.gz"
		else
			unpacker "${P}.tar.zst"
		fi
		cargo_src_unpack
	fi
}

src_prepare() {
	default
	tc-export CC

	sed \
		-e '/^CFLAGS/s:-O2::' \
		-e '/^CFLAGS/s:-g::' \
		-i Makefile || die
	append-lfs-flags

	# llvm-runtimes/libunwind doesn't provide pkgconfig files
	# so we need to handle it ourself...
	if use llvm-libunwind; then
		sed -E \
			-e '/^PKGCONFIG_LIBS/s/(".*) libunwind(.*")/\1\2/' \
			-i Makefile || die
		export EXTRA_LDLIBS="-lunwind"
	fi

	# generate version.h
	echo "${BCH_VERSION:-"v${PV}"}" > .version || die
	emake generate_version
}

src_configure() {
	cargo_src_configure
	use modules && emake DESTDIR="${WORKDIR}" DKMSDIR="/module" install_dkms
}

src_compile() {
	export BUILD_VERBOSE=1
	local modlist=( "bcachefs=:../module:../module/src/fs/bcachefs" )
	local modargs=( KDIR="${KV_OUT_DIR}" )

	# Makefile calls `cargo` directly, so make sure we set our rustflags (etc)
	cargo_env emake "-j$(get_makeopts_jobs)" bcachefs || die
	use modules && linux-mod-r1_src_compile

	(
		# shellcheck disable=SC2155
		export PATH="$(cargo_target_dir):${PATH}"

		for shell in bash fish zsh; do
			bcachefs completions "${shell}" > "${shell}.completion" || die
		done
	)

	local [email protected]
	sed -e 's|@sbindir@|/sbin|g' "${unit}".in > "${unit}" || die
}

src_install() {
	into /
	dosbin "$(cargo_target_dir)/bcachefs"

	dosym bcachefs /sbin/fsck.bcachefs
	dosym bcachefs /sbin/mkfs.bcachefs
	dosym bcachefs /sbin/mount.bcachefs

	# Uses a crate-based implementation of FUSE, no dependency on sys-fs/fuse and unconditionally included.
	dosym bcachefs /sbin/fsck.fuse.bcachefs
	dosym bcachefs /sbin/mkfs.fuse.bcachefs
	dosym bcachefs /sbin/mount.fuse.bcachefs

	newbashcomp bash.completion bcachefs
	newfishcomp fish.completion bcachefs.fish
	newzshcomp zsh.completion _bcachefs

	doman bcachefs.8

	use modules && linux-mod-r1_src_install

	udev_dorules udev/64-bcachefs.rules
	systemd_dounit [email protected]
}

pkg_postinst() {
	udev_reload
}

pkg_postrm() {
	udev_reload
}