# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit check-reqs cmake edo flag-o-matic linux-info multiprocessing prefix verify-sig

# Patch version
PATCH_SET=( https://github.com/parona-source/mysql-server/releases/download/mysql-8.4.3-patches-01/mysql-8.4.3-patches-01.tar.xz )

DESCRIPTION="Fast, multi-threaded, multi-user SQL database server"
HOMEPAGE="https://www.mysql.com/"
SRC_URI="
	https://cdn.mysql.com/Downloads/MySQL-$(ver_cut 1-2)/mysql-${PV}.tar.gz
	verify-sig? ( https://cdn.mysql.com/Downloads/MySQL-$(ver_cut 1-2)/mysql-${PV}.tar.gz.asc )
	${PATCH_SET[@]}
"
# Shorten the path because the socket path length must be shorter than 107 chars
# and we will run a mysql server during test phase
S="${WORKDIR}/mysql"

VERIFY_SIG_OPENPGP_KEY_PATH="/usr/share/openpgp-keys/mysql.asc"

LICENSE="GPL-2"
# https://dev.mysql.com/blog-archive/introducing-mysql-innovation-and-long-term-support-lts-versions/
# LTS
SLOT="$(ver_cut 1-2)"
# 64-bit only since 8.2.0
# https://github.com/mysql/mysql-server/commit/07bf1bdb620daf62c02ead0d5439d65c7c34aa00
# -arm -hppa -mips -ppc -x86 -x86-linux
# -ppc for bug #761715
#KEYWORDS="~amd64 -arm ~arm64 -hppa ~ia64 -mips -ppc ~ppc64 ~riscv ~s390 ~sparc -x86 ~amd64-linux -x86-linux ~x64-macos ~x64-solaris"
IUSE="cjk cracklib debug jemalloc numa +perl profiling router selinux +server tcmalloc test test-install"
RESTRICT="!test? ( test )"

REQUIRED_USE="
	?? ( tcmalloc jemalloc )
	cjk? ( server )
	jemalloc? ( server )
	numa? ( server )
	profiling? ( server )
	router? ( server )
	tcmalloc? ( server )
	test? ( server )
"

# Be warned, *DEPEND are version-dependent
# These are used for both runtime and compiletime
COMMON_DEPEND="
	>=app-arch/lz4-1.9.4:=
	>=app-arch/zstd-1.2.0:=
	>=dev-libs/openssl-1.0.0:=
	sys-apps/tcp-wrappers:=
	sys-libs/ncurses:=
	>=sys-libs/zlib-1.2.13:=
	server? (
		dev-libs/icu:=
		dev-libs/libevent:=[ssl,threads(+)]
		net-libs/libtirpc:=
		cjk? ( app-text/mecab:= )
		jemalloc? ( dev-libs/jemalloc:= )
		kernel_linux? (
			dev-libs/libaio:=
			sys-process/procps:=
		)
		numa? ( sys-process/numactl )
		tcmalloc? ( dev-util/google-perftools:= )
	)
"
# https://bugs.gentoo.org/623962
# tests set TZ for tests leading to failures on musl if sys-libs/timezone-data isnt installed
DEPEND="
	${COMMON_DEPEND}
	app-alternatives/yacc
	server? ( net-libs/rpcsvc-proto )
	test? (
		acct-group/mysql acct-user/mysql
		app-arch/zip
		dev-perl/Expect
		dev-perl/JSON
		sys-libs/timezone-data
	)
"
RDEPEND="
	${COMMON_DEPEND}
	!dev-db/mariadb
	!dev-db/mariadb-galera
	!dev-db/percona-server
	!dev-db/mysql-cluster
	!dev-db/mysql:0
	!dev-db/mysql:5.7
	!dev-db/mysql:8.0
	selinux? ( sec-policy/selinux-mysql )
	!prefix? (
		acct-group/mysql acct-user/mysql
		dev-db/mysql-init-scripts
	)
	test-install? (
		app-arch/zip
		dev-perl/Expect
		dev-perl/JSON
		sys-libs/timezone-data
	)
"
# For other stuff to bring us in
# dev-perl/DBD-mysql is needed by some scripts installed by MySQL
PDEPEND="perl? ( >=dev-perl/DBD-mysql-2.9004 )"
BDEPEND="verify-sig? ( ~sec-keys/openpgp-keys-mysql-20231023 )"

PATCHES=(
	"${WORKDIR}"/mysql-patches
)

mysql_init_vars() {
	: ${MY_SHAREDSTATEDIR="${EPREFIX}/usr/share/mysql"}
	: ${MY_SYSCONFDIR="${EPREFIX}/etc/mysql"}
	: ${MY_LOCALSTATEDIR="${EPREFIX}/var/lib/mysql"}
	: ${MY_LOGDIR="${EPREFIX}/var/log/mysql"}
	MY_DATADIR="${MY_LOCALSTATEDIR}"

	export MY_SHAREDSTATEDIR MY_SYSCONFDIR
	export MY_LOCALSTATEDIR MY_LOGDIR
	export MY_DATADIR
}

pkg_pretend() {
	CHECKREQS_DISK_BUILD="3G"

	if has test ${FEATURES} ; then
		# <parona@protonmail.com> i've seen it take 17GB on musl with FEATURES="test" USE="perl server"
		CHECKREQS_DISK_BUILD="18G"

		# Bug #213475 - MySQL _will_ object strenuously if your machine is named
		# localhost. Also causes weird failures.
		[[ "${HOSTNAME}" == "localhost" ]] && die "Your machine must NOT be named localhost"

		if ! has userpriv ${FEATURES} ; then
			die "Testing with FEATURES=-userpriv is no longer supported by upstream. Tests MUST be run as non-root."
		fi

		local aio_max_nr=$(sysctl -n fs.aio-max-nr 2>/dev/null)
		if [[ -z "${aio_max_nr}" || ${aio_max_nr} -lt 250000 ]] ; then
			die "FEATURES=test requires fs.aio-max-nr=250000 at minimum!"
		fi
	fi

	if use kernel_linux && use numa ; then
		linux-info_get_any_version

		local CONFIG_CHECK="~NUMA"

		local WARNING_NUMA="This package expects NUMA support in kernel which this system does not have at the moment;"
		WARNING_NUMA+=" Either expect runtime errors, enable NUMA support in kernel or rebuild the package without NUMA support"

		check_extra_config
	fi
	check-reqs_pkg_pretend
}

src_unpack() {
	if use verify-sig; then
		verify-sig_verify_detached "${DISTDIR}/mysql-${PV}.tar.gz" "${DISTDIR}/mysql-${PV}.tar.gz.asc"
	fi

	unpack ${A}

	mv -f "${WORKDIR}/${P}" "${S}" || die
}

src_prepare() {
	# Avoid rpm call which would trigger sandbox, #692368
	sed -i \
		-e 's/MY_RPM rpm/MY_RPM rpmNONEXISTENT/' \
		CMakeLists.txt || die

	# Remove the centos and rhel selinux policies to support mysqld_safe under SELinux
	if [[ -d "${S}/support-files/SELinux" ]] ; then
		echo > "${S}/support-files/SELinux/CMakeLists.txt" || die
	fi

	# Remove man pages for client-lib tools we don't install
	rm \
		man/my_print_defaults.1 \
		man/perror.1 \
		|| die

	cmake_src_prepare
}

src_configure() {
	# Bug #114895, bug #110149
	filter-flags "-O" "-O[01]"

	if has sandbox ${FEATURES} ; then
		# bug #823656
		append-cppflags -DGTEST_NO_DEATH_TEST=1
	fi

	local mycmakeargs=(
		-Wno-dev # less irrelevant noise

		-DCOMPILATION_COMMENT="Gentoo Linux ${PF}"

		-DINSTALL_BINDIR=bin
		-DINSTALL_DOCDIR=share/doc/${PF}
		-DINSTALL_DOCREADMEDIR=share/doc/${PF}
		-DINSTALL_INCLUDEDIR=include/mysql
		-DINSTALL_INFODIR=share/info
		-DINSTALL_LIBDIR=$(get_libdir)
		-DINSTALL_MANDIR=share/man
		-DINSTALL_MYSQLDATADIR="${EPREFIX}/var/lib/mysql"
		-DINSTALL_MYSQLSHAREDIR=share/mysql
		-DINSTALL_PLUGINDIR=$(get_libdir)/mysql/plugin
		-DINSTALL_SBINDIR=sbin
		-DINSTALL_SUPPORTFILESDIR="${EPREFIX}/usr/share/mysql"
		-DMYSQL_DATADIR="${EPREFIX}/var/lib/mysql"
		-DMYSQL_UNIX_ADDR="${EPREFIX}/var/run/mysqld/mysqld.sock"
		-DROUTER_INSTALL_DOCDIR="share/doc/${PF}"
		-DROUTER_INSTALL_LOGROTATEDIR="${EPREFIX}/etc/logrotate.d"
		-DSYSCONFDIR="${EPREFIX}/etc/mysql"

		# Code now requires C++20 due to https://github.com/mysql/mysql-server/commit/de64173e41697df51d41728beb5e4e43e4d51850
		-DCMAKE_CXX_STANDARD=20

		-DCMAKE_POSITION_INDEPENDENT_CODE=ON
		-DMYSQL_MAINTAINER_MODE=OFF # Enables -Werror
		-DWITH_DEFAULT_COMPILER_OPTIONS=OFF # Don't mangle flags

		-DENABLED_LOCAL_INFILE=ON # Should LOAD DATA LOCAL be enabled by default?

		-DWITHOUT_CLIENTLIBS=YES

		-DWITH_ROUTER=$(usex router ON OFF)
		-DWITH_LIBWRAP=ON

		-DWITH_CURL=system
		-DWITH_EDITLINE=bundled # Using bundled editline to get CTRL+C working
		-DWITH_ICU=system
		-DWITH_LZ4=system
		# Our dev-libs/rapidjson doesn't carry necessary fixes for std::regex
		# see extra/RAPIDJSON-README
		-DWITH_RAPIDJSON=bundled
		-DWITH_SSL=system
		-DWITH_ZLIB=system
		-DWITH_ZSTD=system

		-DWITH_UNIT_TESTS=$(usex test ON OFF)
		-DINSTALL_MYSQLTESTDIR=$(usev test-install 'share/mysql/mysql-test')
	)

	if use debug; then
		CMAKE_BUILD_TYPE="Debug"
		# Debug build type used extensively to add preprocessor definitions
		mycmakeargs+=(
			-DWITH_DEBUG=ON
		)
	else
		# debug hack wrt #497532
		mycmakeargs+=(
			-DCMAKE_C_FLAGS_RELWITHDEBINFO="$(usev !debug '-DNDEBUG' )"
			-DCMAKE_CXX_FLAGS_RELWITHDEBINFO="$(usev !debug '-DNDEBUG' )"
			-DWITH_DEBUG=OFF
		)
	fi

	if is-flagq -fno-lto ; then
		einfo "LTO disabled via {C,CXX,F,FC}FLAGS"
		mycmakeargs+=( -DWITH_LTO=OFF )
	elif is-flagq -flto ; then
		einfo "LTO forced via {C,CXX,F,FC}FLAGS"
		mycmakeargs+=( -DWITH_LTO=ON )
	else
		# Disable automagic
		mycmakeargs+=( -DWITH_LTO=OFF )
	fi

	if [[ -n "${MYSQL_DEFAULT_CHARSET}" && -n "${MYSQL_DEFAULT_COLLATION}" ]] ; then
		ewarn "You are using a custom charset of ${MYSQL_DEFAULT_CHARSET}"
		ewarn "and a collation of ${MYSQL_DEFAULT_COLLATION}."
		ewarn "You MUST file bugs without these variables set."
		ewarn "Tests will probably fail!"

		mycmakeargs+=(
			-DDEFAULT_CHARSET=${MYSQL_DEFAULT_CHARSET}
			-DDEFAULT_COLLATION=${MYSQL_DEFAULT_COLLATION}
		)
	else
		mycmakeargs+=(
			-DDEFAULT_CHARSET=utf8mb4
			-DDEFAULT_COLLATION=utf8mb4_0900_ai_ci
		)
	fi

	if use server ; then
		mycmakeargs+=(
			-DENABLED_PROFILING=$(usex profiling)
			-DWITH_EXTRA_CHARSETS=all

			-DWITH_JEMALLOC=$(usex jemalloc)
			-DWITH_MECAB=$(usex cjk system OFF)
			-DWITH_NUMA=$(usex numa ON OFF)

			-DWITH_LIBEVENT=system
			-DWITH_PROTOBUF=bundled # Cannot handle protobuf >23 bug #912797

			# Storage engines
			-DWITH_ARCHIVE_STORAGE_ENGINE=ON
			-DWITH_BLACKHOLE_STORAGE_ENGINE=ON
			-DWITH_CSV_STORAGE_ENGINE=ON
			-DWITH_EXAMPLE_STORAGE_ENGINE=OFF
			-DWITH_FEDERATED_STORAGE_ENGINE=ON
			-DWITH_HEAP_STORAGE_ENGINE=ON
			-DWITH_INNOBASE_STORAGE_ENGINE=ON
			-DWITH_MYISAMMRG_STORAGE_ENGINE=ON
			-DWITH_MYISAM_STORAGE_ENGINE=ON
		)
	else
		mycmakeargs+=(
			-DWITHOUT_SERVER=ON
			-DWITH_SYSTEMD=OFF
		)
	fi

	cmake_src_configure
}

# Official test instructions:
# ulimit -n 16500 && USE='perl server' FEATURES='test userpriv' \
# ebuild mysql-X.X.XX.ebuild digest clean test install
src_test() {
	_disable_test() {
		local rawtestname bug reason
		rawtestname="${1}" ; shift
		bug="${1}" ; shift
		reason="${@}"

		ewarn "test '${rawtestname}' disabled: '${reason}' (BUG#${bug})"
		echo "${rawtestname} : BUG#${bug} ${reason}" >> "${T}/disabled.def"
	}

	local TESTDIR="${BUILD_DIR}/mysql-test"
	local retstatus_tests

	einfo "Official test instructions:"
	einfo "ulimit -n 16500 && USE='perl server' FEATURES='test userpriv' ebuild ..."

	# Try to increase file limits to increase test coverage
	local ulimit_n
	for ulimit_n in {16500,4162,3000}; do
		ulimit -n ${ulimit_n} 1>/dev/null 2>&1 && break
	done

	case ${ulimit_n} in
		16500)
			# Upper limit comes from parts.partition_* tests
			einfo "Will run test suite with open file limit set to 16500 (best test coverage)."
			;;
		4162)
			# Medium limit comes from
			# '[Warning] Buffered warning: Could not increase number of max_open_files to more than 3000 (request: 4162)'
			einfo "Will run test suite with open file limit set to 4162 (medium test coverage)."
			;;
		3000)
			einfo "Will run test suite with open file limit set to 3000 (minimum test coverage)."
			;;
		*)
			ewarn "For minimum test coverage, please raise open file limit to 3000 (ulimit -n 3000) before calling the package manager."
			;;
	esac

	# Documentation for mysql-test-run (MTR_* variables and so on)
	# https://dev.mysql.com/doc/dev/mysql-server/8.4.0/PAGE_MYSQL_CLIENT_TEST.html

	# Ensure that parallel runs don't die
	local -x MTR_BUILD_THREAD="$((${RANDOM} % 100))"

	local -x MTR_PARALLEL=${MTR_PARALLEL:-$(makeopts_jobs)}
	einfo "MTR_PARALLEL is set to '${MTR_PARALLEL}'"

	# Disable unit tests, run them separately with eclass defaults
	local -x MTR_UNIT_TESTS=0

	# Increase test suite timeout
	# bug #923649
	# https://github.com/gentoo/gentoo/pull/35002#issuecomment-1926101030
	local -x MTR_SUITE_TIMEOUT=$(( 60 * 40 )) # minutes

	# Include config for tests, this is for scenarios where mysql wasn't installed previously or if the
	# configuration was from an older version.
	sed \
		-e "s/@GENTOO_PORTAGE_EPREFIX@/${EPREFIX}/" \
		-e "s/@DATADIR@/${MY_DATADIR}/" \
		"${FILESDIR}"/my.cnf-8.4.distro-server > "${T}"/my.cnf || die
	local -X PATH_CONFIG_FILE="${T}/my.cnf"

	# Create directories because mysqladmin might run out of order
	mkdir -p "${T}"/var-tests{,/log} || die

	# Run mysql tests
	pushd "${TESTDIR}" &>/dev/null || die

	touch "${T}/disabled.def" || die

	local -a disabled_tests=(
		"auth_sec.atomic_rename_user;103512;Depends on user running test"
		"auth_sec.keyring_file_data_qa;0;Won't work with user privileges"
		"auth_sec.openssl_without_fips;94718;Known test failure"

		"gis.geometry_class_attri_prop;5452;Known rounding error with latest AMD processors (PS)"
		"gis.geometry_property_function_issimple;5452;Known rounding error with latest AMD processors (PS)"
		"gis.gis_bugs_crashes;5452;Known rounding error with latest AMD processors (PS)"
		"gis.spatial_analysis_functions_buffer;5452;Known rounding error with latest AMD processors (PS)"
		"gis.spatial_analysis_functions_centroid;5452;Known rounding error with latest AMD processors (PS)"
		"gis.spatial_analysis_functions_distance;5452;Known rounding error with latest AMD processors (PS)"
		"gis.spatial_op_testingfunc_mix;5452;Known rounding error with latest AMD processors (PS)"
		"gis.spatial_operators_intersection;5452;Known rounding error with latest AMD processors (PS)"
		"gis.spatial_utility_function_distance_sphere;5452;Known rounding error with latest AMD processors (PS)"
		"gis.spatial_utility_function_simplify;5452;Known rounding error with latest AMD processors (PS)"
		"gis.st_symdifference;5452;Known rounding error with latest AMD processors (PS)"

		"innodb.alter_kill;0;Known test failure -- no upstream bug yet"

		"main.derived_limit;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.explain_tree;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.gis-precise;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.mysql_load_data_local_dir;0;Known test failure -- no upstream bug yet"
		"main.select_icp_mrr;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_bugs;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_dupsweed;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_dupsweed_bka;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_dupsweed_bka_nobnl;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_firstmatch;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_firstmatch_bka;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_firstmatch_bka_nobnl;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_mat_bka_nobnl;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.subquery_sj_all_bka_nobnl;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.window_std_var;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.window_std_var_optimized;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"main.with_recursive;0;Known rounding error with latest AMD processors -- no upstream bug yet"
		"perfschema.statement_digest_query_sample;0;Test will fail on slow hardware"

		"rpl.rpl_innodb_info_tbl_slave_tmp_tbl_mismatch;0;Unstable test"
		"rpl_gtid.rpl_multi_source_mtr_includes;97844;Unstable test"
		"main.partition_datatype;0;Unstable test"
		"rpl.rpl_replication_observers_example_plugin_ongoing_transaction;0;Unstable test"

		"sys_vars.myisam_data_pointer_size_func;87935;Test will fail on slow hardware"

		"x.connection;0;Known failure - no upstream bug yet"
		"main.slow_log;0;Known failure - no upstream bug yet"

		# mysql-test/suite/innodb/t/sdi.test
		"innodb.sdi;0;Skip this test when MySQL has been built with other storage engines than InnoDB"

		"rpl.rpl_json;0;Known failure - no upstream bug yet"
	)

	local -a CMAKE_SKIP_TESTS=(
		# timing test, can be unreliable
		"routertest_harness_net_ts_timer"

		# Could not get local host address: Name or service not known(errno: -2)
		# Socket file path can be at most 107 characters (was 110)
		"routertest_component_bootstrap"
		"routertest_component_bootstrap_account"
		"routertest_component_bootstrap_clusterset"
		"routertest_component_config_overwrites"
		"routertest_component_rest_api_enable"
		"routertest_component_router_stacktrace"
		"routertest_component_routing"
		"routertest_component_sd_notify"
		"routertest_component_state_file"
		"routertest_integration_routing_direct"
		"routertest_integration_routing_reuse"
		"routertest_integration_routing_router_require"
		"routertest_integration_routing_sharing"
		"routertest_integration_routing_sharing_constrained_pools"
		"routertest_integration_routing_sharing_restart"

		# TODO: ???
		"pfs_host-oom"
		"pfs_user-oom"
		"pfs"
	)

	if use debug; then
		disabled_tests+=(
			"innodb.dblwr_unencrypt;0;Known test failure -- no upstream bug yet"
			# Test case timeout after 900 seconds
			"innodb.log_writer_extra_margin;0;Known test failure -- no upstream bug yet"
		)
		CMAKE_SKIP_TESTS+=(
			# binary_log::transaction::compression::Payload_event_buffer_istream::~Payload_event_buffer_istream(): Assertion `!m_outstanding_error' failed.
			"payload_event_buffer_istream"
		)
	fi

	local test_infos_str test_infos_arr
	for test_infos_str in "${disabled_tests[@]}" ; do
		IFS=';' read -r -a test_infos_arr <<< "${test_infos_str}"

		if [[ ${#test_infos_arr[@]} != 3 ]] ; then
			die "Invalid test data set, not matching format: ${test_infos_str}"
		fi

		_disable_test "${test_infos_arr[0]}" "${test_infos_arr[1]}" "${test_infos_arr[2]}"
	done
	unset test_infos_str test_infos_arr

	# run mysql-test tests
	# Enable force restart to ensure success when tests don't cleanup sufficiently.
	# Anything touching gtid_executed is negatively affected if you have unlucky ordering
	nonfatal edo perl mysql-test-run.pl \
		--force --force-restart \
		--vardir="${T}/var-tests" --tmpdir="${T}/tmp-tests" \
		--skip-test=tokudb --skip-test-list="${T}/disabled.def" \
		--retry-failure=0 --max-test-fail=0
	retstatus_tests=$?

	popd &>/dev/null || die

	# Cleanup is important for these testcases.
	pkill -9 -f "${S}/ndb" 2>/dev/null
	pkill -9 -f "${S}/sql" 2>/dev/null

	local failures=""
	[[ ${retstatus_tests} -eq 0 ]] || failures="${failures} tests"

	cmake_src_test

	[[ -z "${failures}" ]] || die "Test failures: ${failures}"
	einfo "Tests successfully completed"
}

src_install() {
	cmake_src_install

	# Make sure the vars are correctly initialized
	mysql_init_vars

	# Convenience links
	einfo "Making Convenience links for mysqlcheck multi-call binary"
	dosym "mysqlcheck" "/usr/bin/mysqlanalyze"
	dosym "mysqlcheck" "/usr/bin/mysqlrepair"
	dosym "mysqlcheck" "/usr/bin/mysqloptimize"

	# INSTALL_LAYOUT=STANDALONE causes cmake to create a /usr/data dir
	if [[ -d "${ED}/usr/data" ]] ; then
		rm -rf "${ED}/usr/data" || die
	fi

	# Unless they explicitly specific USE=test, then do not install the
	# testsuite. It DOES have a use to be installed, esp. when you want to do a
	# validation of your database configuration after tuning it.
	if ! use test ; then
		rm -rf "${ED}/${MY_SHAREDSTATEDIR#${EPREFIX}}/mysql-test"
	fi

	# Configuration stuff
	einfo "Building default configuration ..."
	insinto "${MY_SYSCONFDIR#${EPREFIX}}"
	[[ -f "${S}/scripts/mysqlaccess.conf" ]] && doins "${S}"/scripts/mysqlaccess.conf
	cp "${FILESDIR}/my.cnf-5.7" "${TMPDIR}/my.cnf" || die
	eprefixify "${TMPDIR}/my.cnf"
	doins "${TMPDIR}/my.cnf"
	insinto "${MY_SYSCONFDIR#${EPREFIX}}/mysql.d"
	cp "${FILESDIR}/my.cnf-8.4.distro-client" "${TMPDIR}/50-distro-client.cnf" || die
	eprefixify "${TMPDIR}/50-distro-client.cnf"
	doins "${TMPDIR}/50-distro-client.cnf"

	mycnf_src="my.cnf-8.4.distro-server"
	sed -e "s!@DATADIR@!${MY_DATADIR}!g" \
		"${FILESDIR}/${mycnf_src}" \
		> "${TMPDIR}/my.cnf.ok" || die

	if use prefix ; then
		sed -i -r -e '/^user[[:space:]]*=[[:space:]]*mysql$/d' \
			"${TMPDIR}/my.cnf.ok" || die
	fi

	eprefixify "${TMPDIR}/my.cnf.ok"

	newins "${TMPDIR}/my.cnf.ok" 50-distro-server.cnf

	# Remove mytop if perl is not selected
	if [[ -e "${ED}/usr/bin/mytop" ]] && ! use perl; then
		rm -f "${ED}/usr/bin/mytop" || die
	fi

	if use router ; then
		rm -rf \
			"${ED}/usr/LICENSE.router" \
			"${ED}/usr/README.router" \
			"${ED}/usr/run" \
			"${ED}/usr/var" \
			|| die
	fi

	# Kill old libmysqclient_r symlinks if they exist. Time to fix what depends on them.
	#find "${D}" -name 'libmysqlclient_r.*' -type l -delete || die
}

pkg_postinst() {
	# Make sure the vars are correctly initialized
	mysql_init_vars

	# Create log directory securely if it does not exist
	# NOTE: $MY_LOGDIR contains $EPREFIX by default
	[[ -d "${MY_LOGDIR}" ]] || install -d -m0750 -o mysql -g mysql "${MY_LOGDIR}"

	# Note about configuration change
	einfo
	elog "This version of ${PN} reorganizes the configuration from a single my.cnf"
	elog "to several files in /etc/mysql/mysql.d."
	elog "Please backup any changes you made to /etc/mysql/my.cnf"
	elog "and add them as a new file under /etc/mysql/mysql.d with a .cnf extension."
	elog "You may have as many files as needed and they are read alphabetically."
	elog "Be sure the options have the appropriate section headers, i.e. [mysqld]."
	einfo

	if [[ -z "${REPLACING_VERSIONS}" ]] ; then
		einfo
		elog "You might want to run:"
		elog "  \"emerge --config =${CATEGORY}/${PF}\""
		elog "if this is a new install."
		einfo
	else
		einfo
		elog "Upgrade process for ${PN}-8.x has changed. Please read"
		elog "https://dev.mysql.com/doc/refman/8.4/en/upgrade-binary-package.html"
		einfo
	fi
}

pkg_config() {
	_getoptval() {
		local section="$1"
		local flag="--${2}="
		local extra_options="${3}"
		local cmd=(
			"${my_print_defaults_binary}"
			"${extra_options}"
			"${section}"
		)
		local results=( $(eval "${cmd[@]}" 2>/dev/null | sed -n "/^${flag}/s,${flag},,gp") )

		if [[ ${#results[@]} -gt 0 ]] ; then
			# When option is set multiple times only return last value
			echo "${results[-1]}"
		fi
	}

	_mktemp_dry() {
		# emktemp has no --dry-run option
		local template="${1}"

		if [[ -z "${template}" ]] ; then
			if [[ -z "${T}" ]] ; then
				template="/tmp/XXXXXXX"
			else
				template="${T}/XXXXXXX"
			fi
		fi

		local template_wo_X=${template//X/}
		local n_X
		let n_X=${#template}-${#template_wo_X}
		if [[ ${n_X} -lt 3 ]] ; then
			echo "${FUNCNAME[0]}: too few X's in template ‘${template}’" >&2
			return
		fi

		local attempts=0
		local character tmpfile
		while [[ true ]] ; do
			let attempts=attempts+1

			new_file=
			while read -n1 character ; do
				if [[ "${character}" == "X" ]] ; then
					tmpfile+="${RANDOM:0:1}"
				else
					tmpfile+="${character}"
				fi
			done < <(echo -n "${template}")

			if [[ ! -f "${tmpfile}" ]]
			then
				echo "${tmpfile}"
				return
			fi

			if [[ ${attempts} -ge 100 ]] ; then
				echo "${FUNCNAME[0]}: Cannot create temporary file after 100 attempts." >&2
				return
			fi
		done
	}

	local mysqld_binary="${EROOT}/usr/sbin/mysqld"
	if [[ ! -x "${mysqld_binary}" ]] ; then
		die "'${mysqld_binary}' not found! Please re-install ${CATEGORY}/${PN}!"
	fi

	local mysql_binary="${EROOT}/usr/bin/mysql"
	if [[ ! -x "${mysql_binary}" ]] ; then
		die "'${mysql_binary}' not found! Please re-install ${CATEGORY}/${PN}!"
	fi

	local my_print_defaults_binary="${EROOT}/usr/bin/my_print_defaults"
	if [[ ! -x "${my_print_defaults_binary}" ]] ; then
		die "'${my_print_defaults_binary}' not found! Please re-install dev-db/mysql-connector-c!"
	fi

	if [[ -z "${MYSQL_USER}" ]] ; then
		MYSQL_USER=mysql
		if use prefix ; then
			MYSQL_USER=$(id -u -n 2>/dev/null)
			if [[ -z "${MYSQL_USER}" ]] ; then
				die "Failed to determine current username!"
			fi
		fi
	fi

	if [[ -z "${MYSQL_GROUP}" ]] ; then
		MYSQL_GROUP=mysql
		if use prefix ; then
			MYSQL_GROUP=$(id -g -n 2>/dev/null)
			if [[ -z "${MYSQL_GROUP}" ]] ; then
				die "Failed to determine current user groupname!"
			fi
		fi
	fi

	# my_print_defaults needs to read stuff in $HOME/.my.cnf
	local -x HOME="${EROOT}/root"

	# Make sure the vars are correctly initialized
	mysql_init_vars

	# Read currently set data directory
	MY_DATADIR="$(_getoptval mysqld datadir "--defaults-file='${MY_SYSCONFDIR}/my.cnf'")"

	# Bug #213475 - MySQL _will_ object strenously if your machine is named
	# localhost. Also causes weird failures.
	[[ "${HOSTNAME}" == "localhost" ]] && die "Your machine must NOT be named localhost"

	if [[ -z "${MY_DATADIR}" ]] ; then
		die "Sorry, unable to find MY_DATADIR!"
	elif [[ -d "${MY_DATADIR}/mysql" ]] ; then
		ewarn "Looks like your data directory '${MY_DATADIR}' is already initialized!"
		ewarn "Please rename or delete its content if you wish to initialize a new data directory."
		die "${PN} data directory at '${MY_DATADIR}' looks already initialized!"
	fi

	MYSQL_TMPDIR="$(_getoptval mysqld tmpdir "--defaults-file='${MY_SYSCONFDIR}/my.cnf'")"
	MYSQL_TMPDIR=${MYSQL_TMPDIR%/}
	# These are dir+prefix
	MYSQL_LOG_BIN="$(_getoptval mysqld log-bin "--defaults-file='${MY_SYSCONFDIR}/my.cnf'")"
	MYSQL_LOG_BIN=${MYSQL_LOG_BIN%/*}
	MYSQL_RELAY_LOG="$(_getoptval mysqld relay-log "--defaults-file='${MY_SYSCONFDIR}/my.cnf'")"
	MYSQL_RELAY_LOG=${MYSQL_RELAY_LOG%/*}

	# Create missing directories.
	# Always check if mysql user can write to directory even if we just
	# created directory because a parent directory might be not
	# accessible for that user.
	PID_DIR="${EROOT}/run/mysqld"
	if [[ ! -d "${PID_DIR}" ]] ; then
		einfo "Creating ${PN} PID directory '${PID_DIR}' ..."
		install -d -m 755 -o ${MYSQL_USER} -g ${MYSQL_GROUP} "${PID_DIR}" \
			|| die "Failed to create PID directory '${PID_DIR}'!"
	fi

	local _pid_dir_testfile="$(_mktemp_dry "${PID_DIR}/.pkg_config-access-test.XXXXXXXXX")"
	[[ -z "${_pid_dir_testfile}" ]] \
		&& die "_mktemp_dry() for '${PID_DIR}/.pkg_config-access-test.XXXXXXXXX' failed!"

	if use prefix ; then
		touch "${_pid_dir_testfile}" &>/dev/null
	else
		su -s /bin/sh -c "touch ${_pid_dir_testfile}" ${MYSQL_USER} &>/dev/null
	fi

	if [[ $? -ne 0 ]] ; then
		die "${MYSQL_USER} user cannot write into PID dir '${PID_DIR}'!"
	else
		rm "${_pid_dir_testfile}" || die
		unset _pid_dir_testfile
	fi

	if [[ ! -d "${MY_DATADIR}" ]] ; then
		einfo "Creating ${PN} data directory '${MY_DATADIR}' ..."
		install -d -m 770 -o ${MYSQL_USER} -g ${MYSQL_GROUP} "${MY_DATADIR}" \
			|| die "Failed to create ${PN} data directory '${MY_DATADIR}'!"
	fi

	local _my_datadir_testfile="$(_mktemp_dry "${MY_DATADIR}/.pkg_config-access-test.XXXXXXXXX")"
	[[ -z "${_my_datadir_testfile}" ]] \
		&& die "_mktemp_dry() for '${MY_DATADIR}/.pkg_config-access-test.XXXXXXXXX' failed!"

	if use prefix ; then
		touch "${_my_datadir_testfile}" &>/dev/null
	else
		su -s /bin/sh -c "touch ${_my_datadir_testfile}" ${MYSQL_USER} &>/dev/null
	fi

	if [[ $? -ne 0 ]] ; then
		die "${MYSQL_USER} user cannot write into data directory '${MY_DATADIR}'!"
	else
		rm "${_my_datadir_testfile}" || die
		unset _my_datadir_testfile
	fi

	if [[ -n "${MYSQL_TMPDIR}" && ! -d "${MYSQL_TMPDIR}" ]] ; then
		einfo "Creating ${PN} tmpdir '${MYSQL_TMPDIR}' ..."
		install -d -m 770 -o ${MYSQL_USER} -g ${MYSQL_GROUP} "${MYSQL_TMPDIR}" \
			|| die "Failed to create ${PN} tmpdir '${MYSQL_TMPDIR}'!"
	fi

	if [[ -z "${MYSQL_TMPDIR}" ]] ; then
		MYSQL_TMPDIR="$(_mktemp_dry "${EROOT}/tmp/mysqld-tmp.XXXXXXXXX")"
		[[ -z "${MYSQL_TMPDIR}" ]] \
			&& die "_mktemp_dry() for '${MYSQL_TMPDIR}' failed!"

		mkdir "${MYSQL_TMPDIR}" || die
		chown ${MYSQL_USER} "${MYSQL_TMPDIR}" || die
	fi

	# Now we need to test MYSQL_TMPDIR...
	local _my_tmpdir_testfile="$(_mktemp_dry "${MYSQL_TMPDIR}/.pkg_config-access-test.XXXXXXXXX")"
	[[ -z "${_my_tmpdir_testfile}" ]] \
		&& die "_mktemp_dry() for '${MYSQL_TMPDIR}/.pkg_config-access-test.XXXXXXXXX' failed!"

	if use prefix ; then
		touch "${_my_tmpdir_testfile}" &>/dev/null
	else
		su -s /bin/sh -c "touch ${_my_tmpdir_testfile}" ${MYSQL_USER} &>/dev/null
	fi

	if [[ $? -ne 0 ]] ; then
		die "${MYSQL_USER} user cannot write into tmpdir '${MYSQL_TMPDIR}'!"
	else
		rm "${_my_tmpdir_testfile}" || die
		unset _my_tmpdir_testfile
	fi

	if [[ -n "${MYSQL_LOG_BIN}" && ! -d "${MYSQL_LOG_BIN}" ]] ; then
		einfo "Creating ${PN} log-bin directory '${MYSQL_LOG_BIN}' ..."
		install -d -m 770 -o ${MYSQL_USER} -g ${MYSQL_GROUP} "${MYSQL_LOG_BIN}" \
			|| die "Failed to create ${PN} log-bin directory '${MYSQL_LOG_BIN}'"
	fi

	if [[ -n "${MYSQL_LOG_BIN}" ]] ; then
		local _my_logbin_testfile="$(_mktemp_dry "${MYSQL_LOG_BIN}/.pkg_config-access-test.XXXXXXXXX")"
		[[ -z "${_my_logbin_testfile}" ]] \
			&& die "_mktemp_dry() for '${MYSQL_LOG_BIN}/.pkg_config-access-test.XXXXXXXXX' failed!"

		if use prefix ; then
			touch "${_my_logbin_testfile}" &>/dev/null
		else
			su -s /bin/sh -c "touch ${_my_logbin_testfile}" ${MYSQL_USER} &>/dev/null
		fi

		if [[ $? -ne 0 ]] ; then
			die "${MYSQL_USER} user cannot write into log-bin directory '${MYSQL_LOG_BIN}'!"
		else
			rm "${_my_logbin_testfile}" || die
			unset _my_logbin_testfile
		fi
	fi

	if [[ -n "${MYSQL_RELAY_LOG}" && ! -d "${MYSQL_RELAY_LOG}" ]] ; then
		einfo "Creating ${PN} relay-log directory '${MYSQL_RELAY_LOG}' ..."
		install -d -m 770 -o ${MYSQL_USER} -g ${MYSQL_GROUP} "${MYSQL_RELAY_LOG}" \
			|| die "Failed to create ${PN} relay-log directory '${MYSQL_RELAY_LOG}'!"
	fi

	if [[ -n "${MYSQL_RELAY_LOG}" ]] ; then
		local _my_relaylog_testfile="$(_mktemp_dry "${MYSQL_RELAY_LOG}/.pkg_config-access-test.XXXXXXXXX")"
		[[ -z "${_my_relaylog_testfile}" ]] \
			&& die "_mktemp_dry() for '${MYSQL_RELAY_LOG}/.pkg_config-access-test.XXXXXXXXX' failed!"

		if use prefix ; then
			touch "${_my_relaylog_testfile}" &>/dev/null
		else
			su -s /bin/sh -c "touch ${_my_relaylog_testfile}" ${MYSQL_USER} &>/dev/null
		fi

		if [[ $? -ne 0 ]] ; then
			die "${MYSQL_USER} user cannot write into relay-log directory '${MYSQL_RELAY_LOG}'!"
		else
			rm "${_my_relaylog_testfile}" || die
			unset _my_relaylog_testfile
		fi
	fi

	local mysql_install_log="$(_mktemp_dry "${MYSQL_TMPDIR}/install_db.XXXXXXXXX.log")"
	if [[ -z "${mysql_install_log}" ]] ; then
		die "_mktemp_dry() for '${MYSQL_TMPDIR}/install_db.XXXXXXXXX.log' failed!"
	else
		# make sure file is writable for MYSQL_USER...
		touch "${mysql_install_log}" || die
		chown ${MYSQL_USER} "${mysql_install_log}" || die
	fi

	local mysqld_logfile="$(_mktemp_dry "${MYSQL_TMPDIR}/install_mysqld.XXXXXXXXX.log")"
	if [[ -z "${mysqld_logfile}" ]] ; then
		die "_mktemp_dry() for '${MYSQL_TMPDIR}/install_mysqld.XXXXXXXXX.log' failed!"
	else
		# make sure file is writable for MYSQL_USER...
		touch "${mysqld_logfile}" || die
		chown ${MYSQL_USER} "${mysqld_logfile}" || die
	fi

	echo ""
	einfo "Detected settings:"
	einfo "=================="
	einfo "MySQL User:\t\t\t\t${MYSQL_USER}"
	einfo "MySQL Group:\t\t\t\t${MYSQL_GROUP}"
	einfo "MySQL DATA directory:\t\t${MY_DATADIR}"
	einfo "MySQL TMP directory:\t\t\t${MYSQL_TMPDIR}"

	if [[ -n "${MYSQL_LOG_BIN}" ]] ; then
		einfo "MySQL Binary Log File location:\t${MYSQL_LOG_BIN}"
	fi

	if [[ -n "${MYSQL_RELAY_LOG}" ]] ; then
		einfo "MySQL Relay Log File location:\t${MYSQL_RELAY_LOG}"
	fi

	einfo "PID DIR:\t\t\t\t${PID_DIR}"
	einfo "Install db log:\t\t\t${mysql_install_log}"
	einfo "Install server log:\t\t\t${mysqld_logfile}"

	local -a config_files

	local config_file="${EROOT}/etc/mysql/mysql.d/50-distro-client.cnf"
	if [[ -f "${config_file}" ]] ; then
		config_files+=( "${config_file}" )
	else
		ewarn "Client configuration '${config_file}' not found; Skipping configuration of default authentication plugin for client ..."
	fi

	config_file="${EROOT}/etc/mysql/mysql.d/50-distro-server.cnf"
	if [[ -f "${config_file}" ]] ; then
		config_files+=( "${config_file}" )
	else
		ewarn "Server configuration '${config_file}' not found; Skipping configuration of default authentication plugin for mysqld ..."
	fi

	if [[ ${#config_files[@]} -gt 0 ]] ; then
		if [[ -z "${MYSQL_DEFAULT_AUTHENTICATION_PLUGIN}" ]] ; then
			local user_answer

			echo
			einfo "Please select default authentication plugin (enter number or plugin name):"
			einfo "1) caching_sha2_password [MySQL 8.0 default]"
			einfo "2) mysql_native_password [MySQL 5.7 default]"
			einfo
			einfo "For details see:"
			einfo "https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html#upgrade-caching-sha2-password"
			read -p "    >" user_answer
			echo

			case "${user_answer}" in
				1|caching_sha2_password)
					MYSQL_DEFAULT_AUTHENTICATION_PLUGIN=caching_sha2_password
					;;
				2|mysql_native_password)
					MYSQL_DEFAULT_AUTHENTICATION_PLUGIN=mysql_native_password
					;;
				'')
					die "No authentication plugin selected!"
					;;
				*)
					die "Authentication plugin '${user_answer}' is unknown/unsupported!"
					;;
			esac

			echo "Selected authentication plugin: ${MYSQL_DEFAULT_AUTHENTICATION_PLUGIN}" >> "${mysql_install_log}"

			unset user_answer
		fi

		local cfg_option cfg_option_tabs cfg_section
		for config_file in "${config_files[@]}" ; do
			cfg_option="default-authentication-plugin"
			cfg_section="mysqld"
			cfg_option_tabs="\t\t"
			if [[ "${config_file}" == *client.cnf ]] ; then
				cfg_option="default-auth"
				cfg_section="client"
				cfg_option_tabs="\t\t\t\t"
			fi

			if grep -qE "^(loose-)?${cfg_option}\b.*=" "${config_file}" 2>/dev/null ; then
				einfo "Ensuring that ${cfg_option} is set to '${MYSQL_DEFAULT_AUTHENTICATION_PLUGIN}' in '${config_file}' ..."
				sed -i \
					-e "s/^\(loose-\)\?${cfg_option}\b.*=.*/loose-${cfg_option}${cfg_option_tabs}= ${MYSQL_DEFAULT_AUTHENTICATION_PLUGIN}/" \
					"${config_file}" || die "Failed to change ${cfg_option} in '${config_file}'!"
			else
				einfo "Setting ${cfg_option} to '${MYSQL_DEFAULT_AUTHENTICATION_PLUGIN}' in '${config_file}' ..."
				sed -i \
					-e "/^\[${cfg_section}\]$/a loose-${cfg_option}${cfg_option_tabs}= ${MYSQL_DEFAULT_AUTHENTICATION_PLUGIN}" \
					"${config_file}" || die "Failed to add ${cfg_option} to '${config_file}'!"
			fi
		done
		unset cfg_option cfg_option_tabs cfg_section
	fi
	unset config_files config_file

	echo

	if [[ -z "${MYSQL_ROOT_PASSWORD}" ]] ; then
		local tmp_mysqld_password_source=

		for tmp_mysqld_password_source in mysql client ; do
			einfo "Trying to get password for mysql 'root' user from '${tmp_mysqld_password_source}' section ..."
			MYSQL_ROOT_PASSWORD="$(_getoptval "${tmp_mysqld_password_source}" password)"
			if [[ -n "${MYSQL_ROOT_PASSWORD}" ]] ; then
				if [[ ${MYSQL_ROOT_PASSWORD} == *$'\n'* ]] ; then
					ewarn "Ignoring password from '${tmp_mysqld_password_source}' section due to newline character (do you have multiple password options set?)!"
					MYSQL_ROOT_PASSWORD=
					continue
				fi

				einfo "Found password in '${tmp_mysqld_password_source}' section!"
				break
			fi
		done

		# Sometimes --show is required to display passwords in some implementations of my_print_defaults
		if [[ "${MYSQL_ROOT_PASSWORD}" == '*****' ]] ; then
			MYSQL_ROOT_PASSWORD="$(_getoptval "${tmp_mysqld_password_source}" password --show)"
		fi

		unset tmp_mysqld_password_source
	fi

	if [[ -z "${MYSQL_ROOT_PASSWORD}" ]] ; then
		local pwd1="a"
		local pwd2="b"

		echo
		einfo "No password for mysql 'root' user was specified via environment"
		einfo "variable MYSQL_ROOT_PASSWORD and no password was found in config"
		einfo "file like '${HOME}/.my.cnf'."
		einfo "To continue please provide a password for the mysql 'root' user"
		einfo "now on console:"
		ewarn "NOTE: Please avoid [\"'\\_%] characters in the password!"
		read -rsp "    >" pwd1 ; echo

		einfo "Retype the password"
		read -rsp "    >" pwd2 ; echo

		if [[ "x$pwd1" != "x$pwd2" ]] ; then
			die "Passwords are not the same!"
		fi

		MYSQL_ROOT_PASSWORD="${pwd1}"
		unset pwd1 pwd2

		echo
	fi

	local -a mysqld_options

	# Fix bug 446200. Don't reference host my.cnf, needs to come first,
	# see http://bugs.mysql.com/bug.php?id=31312
	use prefix && mysqld_options+=( "--defaults-file='${MY_SYSCONFDIR}/my.cnf'" )

	# Figure out which options we need to disable to do the setup
	local helpfile="${TMPDIR}/mysqld-help"
	"${EROOT}/usr/sbin/mysqld" --verbose --help >"${helpfile}" 2>/dev/null

	local opt optexp optfull
	for opt in host-cache name-resolve networking slave-start \
		federated ssl log-bin relay-log slow-query-log external-locking \
		log-slave-updates \
	; do
		optexp="--(skip-)?${opt}" optfull="--loose-skip-${opt}"
		grep -E -sq -- "${optexp}" "${helpfile}" && mysqld_options+=( "${optfull}" )
	done

	# Prepare timezones, see
	# https://dev.mysql.com/doc/mysql/en/time-zone-support.html
	local tz_sql="$(_mktemp_dry "${MYSQL_TMPDIR}/tz.XXXXXXXXX.sql")"
	[[ -z "${tz_sql}" ]] \
		&& die "_mktemp_dry() for '${MYSQL_TMPDIR}/tz.XXXXXXXXX.sql' failed!"

	echo "USE mysql;" >"${tz_sql}"
	"${EROOT}/usr/bin/mysql_tzinfo_to_sql" "${EROOT}/usr/share/zoneinfo" >> "${tz_sql}" 2>/dev/null
	if [[ $? -ne 0 ]] ; then
		die "mysql_tzinfo_to_sql failed!"
	fi

	# --initialize-insecure will not set root password
	# --initialize would set a random one in the log which we don't need as we set it ourselves
	local cmd=(
		"${mysqld_binary}"
		"${mysqld_options[@]}"
		"--initialize-insecure"
		"--init-file='${tz_sql}'"
		"--basedir='${EROOT}/usr'"
		"--datadir='${MY_DATADIR}'"
		"--tmpdir='${MYSQL_TMPDIR}'"
		"--log-error='${mysql_install_log}'"
		"--user=${MYSQL_USER}"
	)

	einfo "Initializing ${PN} data directory: ${cmd[@]}"
	eval "${cmd[@]}" >>"${mysql_install_log}" 2>&1

	if [[ $? -ne 0 || ! -f "${MY_DATADIR}/mysql.ibd" ]] ; then
		grep -B5 -A999 -iE "(Aborting|ERROR|errno)" "${mysql_install_log}" 1>&2
		die "Failed to initialize ${PN} data directory. Please review '${mysql_install_log}'!"
	fi

	rm "${tz_sql}" || die

	local x=${RANDOM}
	local socket="${EROOT}${PID_DIR}/mysqld${x}.sock"
	local pidfile="${EROOT}${PID_DIR}/mysqld${x}.pid"
	unset x

	cmd=(
		"${mysqld_binary}"
		"${mysqld_options[@]}"
		"--basedir='${EROOT}/usr'"
		"--datadir='${MY_DATADIR}'"
		"--tmpdir='${MYSQL_TMPDIR}'"
		--max_allowed_packet=8M
		--net_buffer_length=16K
		"--socket='${socket}'"
		"--pid-file='${pidfile}'"
		"--log-error='${mysqld_logfile}'"
		"--user=${MYSQL_USER}"
	)

	einfo "Starting mysqld to finalize initialization: ${cmd[@]}"
	eval "${cmd[@]}" >>"${mysqld_logfile}" 2>&1 &

	echo -n "Waiting for mysqld to accept connections "
	local maxtry=15
	while [[ ! -S "${socket}" && "${maxtry}" -gt 1 ]] ; do
		maxtry=$((${maxtry}-1))
		echo -n "."
		sleep 1
	done

	if [[ -S "${socket}" ]] ; then
		# Even with a socket we don't know if mysqld will abort
		# start due to an error so just wait a little bit more...
		maxtry=5
		while [[ -S "${socket}" && "${maxtry}" -gt 1 ]] ; do
			maxtry=$((${maxtry}-1))
			echo -n "."
			sleep 1
		done
	fi

	echo

	if [[ ! -S "${socket}" ]] ; then
		grep -B5 -A999 -iE "(Aborting|ERROR|errno)" "${mysqld_logfile}" 1>&2
		die "mysqld was unable to start from initialized data directory. Please review '${mysqld_logfile}'!"
	fi

	local mysql_logfile="${TMPDIR}/set_root_pw.log"
	touch "${mysql_logfile}" || die

	ebegin "Setting root password"
	# Do this from memory, as we don't want clear text passwords in temp files
	local sql="ALTER USER 'root'@'localhost' IDENTIFIED BY '${MYSQL_ROOT_PASSWORD}'"
	cmd=(
		"${mysql_binary}"
		--no-defaults
		"--socket='${socket}'"
		-hlocalhost
		"-e \"${sql}\""
	)
	eval "${cmd[@]}" >"${mysql_logfile}" 2>&1
	local rc=$?
	eend ${rc}

	if [[ ${rc} -ne 0 ]] ; then
		# Poor man's solution which tries to avoid having password
		# in log.  NOTE: sed can fail if user didn't follow advice
		# and included character which will require escaping...
		sed -i -e "s/${MYSQL_ROOT_PASSWORD}/*****/" "${mysql_logfile}" 2>/dev/null

		grep -B5 -A999 -iE "(Aborting|ERROR|errno)" "${mysql_logfile}"
		die "Failed to set ${PN} root password. Please review '${mysql_logfile}'!"
	fi

	# Stop the server
	if [[ -f "${pidfile}" ]] && pgrep -F "${pidfile}" &>/dev/null ; then
		echo -n "Stopping the server "
		pkill -F "${pidfile}" &>/dev/null

		maxtry=10
		while [[ -f "${pidfile}" ]] && pgrep -F "${pidfile}" &>/dev/null ; do
			maxtry=$((${maxtry}-1))
			echo -n "."
			sleep 1
		done

		echo

		if [[ -f "${pidfile}" ]] && pgrep -F "${pidfile}" &>/dev/null ; then
			# We somehow failed to stop server.
			# However, not a fatal error. Just warn the user.
			ewarn "WARNING: mysqld[$(cat "${pidfile}")] is still running!"
		fi
	fi

	einfo "${PN} data directory at '${MY_DATADIR}' successfully initialized!"
}