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

# Autogenerated by pycargoebuild 0.15.1

EAPI=8

CRATES="
"

declare -A GIT_CRATES=(
	[async-channel]='https://github.com/matrix-construct/async-channel;92e5e74063bf2a3b10414bcc8a0d68b235644280;async-channel-%commit%'
	[axum-server-dual-protocol]='https://github.com/matrix-construct/axum-server-dual-protocol;76c782fa6f129f83ffdca59e903093e798d4a82f;axum-server-dual-protocol-%commit%'
	[core_affinity]='https://github.com/matrix-construct/core_affinity_rs;ff148c2985cbaff3e6e953d45cda4d7696f38d75;core_affinity_rs-%commit%'
	[event-listener]='https://github.com/matrix-construct/event-listener;fe4aebeeaae435af60087ddd56b573a2e0be671d;event-listener-%commit%'
	[hyper-util]='https://github.com/matrix-construct/hyper-util;a3f59c4e51af19570a9f92839ecfe0ad6482e9e5;hyper-util-%commit%'
	[jevmalloc-sys]='https://github.com/matrix-construct/jevmalloc;93795449913f65ab533b7fa482333eef63fc3ae0;jevmalloc-%commit%/jevmalloc-sys'
	[jevmalloc]='https://github.com/matrix-construct/jevmalloc;93795449913f65ab533b7fa482333eef63fc3ae0;jevmalloc-%commit%/jevmalloc'
	[lber]='https://github.com/matrix-construct/ldap3;fdfbba2bf916b53e5f73cdb1a495ebb649978079;ldap3-%commit%/lber'
	[ldap3]='https://github.com/matrix-construct/ldap3;fdfbba2bf916b53e5f73cdb1a495ebb649978079;ldap3-%commit%'
	[resolv-conf]='https://github.com/matrix-construct/resolv-conf;200e958941d522a70c5877e3d846f55b5586c68d;resolv-conf-%commit%'
	[ruma-appservice-api]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-appservice-api'
	[ruma-client-api]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-client-api'
	[ruma-common]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-common'
	[ruma-events]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-events'
	[ruma-federation-api]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-federation-api'
	[ruma-identifiers-validation]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-identifiers-validation'
	[ruma-identity-service-api]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-identity-service-api'
	[ruma-macros]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-macros'
	[ruma-push-gateway-api]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-push-gateway-api'
	[ruma-signatures]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma-signatures'
	[ruma]='https://github.com/matrix-construct/ruma;0b7aad2371a7b51a8226d819b544c1ca9edeb696;ruma-%commit%/crates/ruma'
	[rust-librocksdb-sys]='https://github.com/matrix-construct/rust-rocksdb;c11395350bc1f2090a0152f2d15c8c5847821eba;rust-rocksdb-%commit%/librocksdb-sys'
	[rust-rocksdb]='https://github.com/matrix-construct/rust-rocksdb;c11395350bc1f2090a0152f2d15c8c5847821eba;rust-rocksdb-%commit%'
	[rustyline-async]='https://github.com/matrix-construct/rustyline-async;ba743cae940659e95d7b8604bbd6fdd755171c8c;rustyline-async-%commit%'
	[synapse-admin-api]='https://github.com/matrix-construct/synapse-admin-api;d8e73952506a09f280a7c253003fafc131206612;synapse-admin-api-%commit%'
)

LLVM_COMPAT=( 21 )
RUST_MIN_VER="1.94.0"

inherit cargo llvm-r2 linux-info

DESCRIPTION="High Performance Matrix Homeserver in Rust!"
HOMEPAGE="
	https://tuwunel.chat
	https://github.com/matrix-construct/tuwunel
"

ROCKSDB_GIT_COMMIT=9a3a213b55df0b11408102c899a940675c0d90e4
RUST_ROCKSB_GIT_COMMIT=c11395350bc1f2090a0152f2d15c8c5847821eba

SRC_URI="
	${CARGO_CRATE_URIS}
	https://github.com/matrix-construct/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
	https://github.com/gentoo-crate-dist/${PN}/releases/download/v${PV}/${P}-crates.tar.xz
	https://github.com/matrix-construct/rocksdb/archive/${ROCKSDB_GIT_COMMIT}.tar.gz
	-> rocksdb-${ROCKSDB_GIT_COMMIT}.tar.gz
"

# The repository's root directory is a "workspace root".
# It's easier and less error prone to work in src/main.
S="${WORKDIR}/${P}/src/main"

LICENSE="Apache-2.0"
# Dependent crate licenses
LICENSE+="
	Apache-2.0 BSD-2 BSD BlueOak-1.0.0 CDLA-Permissive-2.0 ISC MIT
	MPL-2.0 Unicode-3.0 Unlicense ZLIB
"
SLOT="0"
KEYWORDS="~amd64 ~arm64"
IUSE="jemalloc gzip zstd lz4 bzip2 systemd brotli ldap io-uring"

# bzip2 looks difficult to un-bundle:
#   https://wiki.gentoo.org/wiki/Project:Rust/sys_crates#bzip2-sys
# lz4 cannot be un-bundled:
#   https://wiki.gentoo.org/wiki/Writing_Rust_ebuilds#Unbundling_C_libraries
COMMON_DEPEND="
	jemalloc? ( dev-libs/jemalloc:= )
	app-arch/snappy:=
	zstd? (
		app-arch/zstd:=
	)
"
RDEPEND="
	${COMMON_DEPEND}
	acct-user/tuwunel
	app-misc/ca-certificates
"
# clang needed for bindgen
DEPEND="
	${COMMON_DEPEND}
	$(llvm_gen_dep '
		llvm-core/clang:${LLVM_SLOT}
		llvm-core/llvm:${LLVM_SLOT}
	')
"

# Required for pkg-config crate:
#   https://wiki.gentoo.org/wiki/Writing_Rust_ebuilds#pkg-config_crate
BDEPEND="virtual/pkgconfig"

# rust does not use *FLAGS from make.conf, silence portage warning
# update with proper path to binaries this crate installs, omit leading /
QA_FLAGS_IGNORED="usr/bin/${PN}"

DOCS=( ../../{README,RELEASE,CONTRIBUTING,CODE_OF_CONDUCT}.md )

pkg_setup() {
	CONFIG_CHECK=""

	# IO-Uring requires kernel support.
	if use io-uring; then
		CONFIG_CHECK+=" ~IO_URING"
		ERROR_IO_URING="${P} requires io-uring in-kernel support."
	fi

	if [[ -n ${CONFIG_CHECK} ]]; then
		linux-info_pkg_setup
	fi

	llvm-r2_pkg_setup
	rust_pkg_setup
}

src_prepare() {
	local patched_crates=(
		async-channel
		rustyline-async
		resolv-conf
		hyper-util
		core_affinity
		event-listener
	)

	for patched_crate in ${patched_crates[@]}; do
		local commit_hash=$(
			echo ${GIT_CRATES[${patched_crate}]} \
				| cut --delimiter=';' --fields=2
		)
		local directory_prefix=$(
			echo ${GIT_CRATES[${patched_crate}]} \
				| cut --delimiter=';' --fields=3 \
				| cut --delimiter='%' --fields=1
		)

		echo "" >> "${ECARGO_HOME}/config.toml" || die
		echo "[patch.crates-io.${patched_crate}]" >> "${ECARGO_HOME}/config.toml" || die
		echo "path = \"${WORKDIR}/${directory_prefix}${commit_hash}\"" >> "${ECARGO_HOME}/config.toml" || die
	done

	local rocksdb_path="${WORKDIR}"/rust-rocksdb-${RUST_ROCKSB_GIT_COMMIT}/librocksdb-sys/rocksdb

	rmdir "${rocksdb_path}" || die
	mv "${WORKDIR}"/rocksdb-${ROCKSDB_GIT_COMMIT} "${rocksdb_path}" || die

	eapply_user
}

src_configure() {
	# Required for pkg-config crate:
	#   https://wiki.gentoo.org/wiki/Writing_Rust_ebuilds#pkg-config_crate
	export PKG_CONFIG_ALLOW_CROSS=1
	# Required to un-bundle jemalloc:
	#   https://wiki.gentoo.org/wiki/Writing_Rust_ebuilds#Common_-sys_crates
	export JEMALLOC_OVERRIDE="${ESYSROOT}/usr/$(get_libdir)/libjemalloc.so"

	if use zstd; then
		# Required to un-bundle zstd:
		#   https://wiki.gentoo.org/wiki/Project:Rust/sys_crates#zstd-sys
		export ZSTD_SYS_USE_PKG_CONFIG=1
	fi

	# The project maintains their own fork of rocksdb. Because of that,
	# unbundling it is not an option at this point.

	local myfeatures=(
		element_hacks
		media_thumbnail
		release_max_log_level
		url_preview

		$(usev io-uring io_uring)
		$(usev systemd)
		$(usev jemalloc)
		$(usev ldap)
		$(usev jemalloc jemalloc_conf)
		$(usev zstd zstd_compression)
		$(usev lz4 lz4_compression)
		$(usev gzip gzip_compression)
		$(usev bzip2 bzip2_compression)
		$(usev brotli brotli_compression)
	)

	rust_pkg_setup
	cargo_src_configure --no-default-features --offline
}

src_install() {
	cargo_src_install

	keepdir /var/lib/tuwunel
	fowners tuwunel:tuwunel /var/lib/tuwunel
	fperms 750 /var/lib/tuwunel

	keepdir /var/log/tuwunel
	fowners tuwunel:tuwunel /var/log/tuwunel
	fperms 750 /var/log/tuwunel

	insinto /etc/tuwunel
	newins "${WORKDIR}"/"${P}"/tuwunel-example.toml tuwunel.toml

	insinto /etc/logrotate.d
	newins "${FILESDIR}"/tuwunel.logrotate-r1 tuwunel

	newinitd "${FILESDIR}"/tuwunel.init-r1 tuwunel
	newconfd "${FILESDIR}"/tuwunel.conf-r1 tuwunel

	# TODO: Add systemd service.
}

src_test() {
	mkdir -p "${T}/var/lib/tuwunel" || die

	TUWUNEL_DATABASE_PATH="${T}/var/lib/tuwunel" cargo_src_test

}