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bcachefs-tools-1.38.6gentoo

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

EAPI=8

CRATES="
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"

LLVM_COMPAT=( {17..21} )
MODULES_INITRAMFS_IUSE=+initramfs
MODULES_KERNEL_MIN=6.16
MODULES_OPTIONAL_IUSE=+modules
PYTHON_COMPAT=( python3_{11..14} )
RUST_MIN_VER="1.85.0"
VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/kentoverstreet.asc

inherit cargo flag-o-matic linux-mod-r1 llvm-r2 python-any-r1
inherit shell-completion sysroot toolchain-funcs unpacker verify-sig

DESCRIPTION="Tools for bcachefs"
HOMEPAGE="https://bcachefs.org/"
if [[ ${PV} == "9999" ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://evilpiepirate.org/git/bcachefs-tools.git"
else
	SRC_URI="https://evilpiepirate.org/bcachefs-tools/bcachefs-tools-${PV}.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

LICENSE="GPL-2"
# Dependent crate licenses
LICENSE+=" Apache-2.0 BSD ISC MIT Unicode-DFS-2016"
SLOT="0"
IUSE="debug llvm-libunwind verify-sig"
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
	llvm-libunwind? ( llvm-runtimes/libunwind:= )
	!llvm-libunwind? ( sys-libs/libunwind:= )
	virtual/udev
	virtual/zlib:=
"

RDEPEND="${DEPEND}"

# Clang is required for bindgen
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-6.16.0 )
	verify-sig? ( >=sec-keys/openpgp-keys-kentoverstreet-20241012 )
"

QA_FLAGS_IGNORED="/sbin/bcachefs"

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

pkg_setup() {
	llvm-r2_pkg_setup
	python-any-r1_pkg_setup
	rust_pkg_setup
	if use modules; then
		# grep -r 'depends on\|select ' ${S}/libbcachefs/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
			RUST
			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}/src" cargo_live_src_unpack
	else
		# Upstream signs the uncompressed tarball
		if 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
		unpacker ${P}.tar.zst
		cargo_src_unpack
	fi

}

src_prepare() {
	default
	tc-export CC

	echo "${PV}" > .version || die
	sed \
		-e '/^CFLAGS/s:-O2::' \
		-e '/^CFLAGS/s:-g::' \
		-i Makefile || die

	if use llvm-libunwind; then
		sed -i s/libunwind// Makefile || die
	fi

	append-lfs-flags
}

src_configure() {
	cargo_src_configure

	MODULE_SRC="module/${PN%-*}-${PV}"
	use modules && emake DESTDIR="${WORKDIR}" DKMSDIR="/${MODULE_SRC}" install_dkms
}

src_compile() {
	export BUILD_VERBOSE=1
	export VERSION=${PV}

	local modlist=( "bcachefs=:../${MODULE_SRC}:../${MODULE_SRC}/src/fs/bcachefs" )
	local modargs=(
		KDIR=${KV_OUT_DIR}
	)

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

	# Recent versions mangle the 'bcachefs' symbolic link, work around it.
	[[ -e bcachefs ]] && die "bcachefs symlink is valid, please remove workaround"
	ln -rsf target/release/bcachefs bcachefs || die

	local shell
	for shell in bash fish zsh; do
		sysroot_try_run_prefixed ./bcachefs completions ${shell} > ${shell}.completion || die
	done
}

src_install() {
	into /
	dosbin 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
}