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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit toolchain-funcs

DESCRIPTION="A featureful union filesystem"
HOMEPAGE="https://github.com/trapexit/mergerfs"

SRC_URI="https://github.com/trapexit/mergerfs/archive/${PV}.tar.gz -> ${P}.tar.gz"
KEYWORDS="~amd64 ~x86"

# Vendorized libfuse that's bundled is under LGPL-2.1.
LICENSE="ISC LGPL-2.1"
SLOT="0"
IUSE="+xattr"

DEPEND="
	xattr? ( sys-apps/attr )
"

RDEPEND="${DEPEND}"

BDEPEND="sys-devel/gettext"

src_prepare() {
	default

	# Hand made build system at it's finest.
	echo -e "#!/bin/sh\ntrue" >tools/update-version || die
	echo "#pragma once" >src/version.hpp || die
	echo "static const char MERGERFS_VERSION[] = \"${PV}\";" >>src/version.hpp || die

	if ! use xattr; then
		sed 's%USE_XATTR = 1%USE_XATTR = 0%g' -i Makefile || die
	fi
}

src_compile() {
	# https://bugs.gentoo.org/725978
	tc-export AR CC CXX

	default
}

src_install() {
	dobin build/mergerfs
	dosym mergerfs /usr/bin/mount.mergerfs
	dodoc README.md
	doman man/mergerfs.1
}