# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( pypy3 python3_{8..10} )
PYTHON_REQ_USE='bzip2(+),threads(+)'
TMPFILES_OPTIONAL=1

inherit distutils-r1 git-r3 linux-info multilib tmpfiles prefix

DESCRIPTION="The package management and distribution system for Gentoo"
EGIT_REPO_URI="https://github.com/TommyD/portage.git"
EGIT_BRANCH="multilib"
EGIT_COMMIT="a5893dcca4aae2fdcccbcb6578bf48c203f5e1d9"
HOMEPAGE="https://wiki.gentoo.org/wiki/Project:Portage"

LICENSE="GPL-2"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
SLOT="0"
IUSE="apidoc build doc gentoo-dev +ipc +native-extensions +rsync-verify selinux test xattr"
RESTRICT="!test? ( test )"

BDEPEND="
	app-arch/xz-utils
	test? ( dev-vcs/git )"
DEPEND="!build? ( $(python_gen_impl_dep 'ssl(+)') )
	>=app-arch/tar-1.27
	dev-lang/python-exec:2
	>=sys-apps/sed-4.0.5 sys-devel/patch
	doc? ( app-text/xmlto ~app-text/docbook-xml-dtd-4.4 )
	>=sys-apps/abi-wrapper-1.0-r6
	apidoc? (
		dev-python/sphinx[${PYTHON_USEDEP}]
		dev-python/sphinx-epytext[${PYTHON_USEDEP}]
	)"
# Require sandbox-2.2 for bug #288863.
# For whirlpool hash, require python[ssl] (bug #425046).
# For compgen, require bash[readline] (bug #445576).
# app-portage/gemato goes without PYTHON_USEDEP since we're calling
# the executable.
RDEPEND="
	acct-user/portage
	app-arch/zstd
	>=app-arch/tar-1.27
	dev-lang/python-exec:2
	>=sys-apps/findutils-4.4
	!build? (
		>=sys-apps/sed-4.0.5
		>=app-shells/bash-5.0:0[readline]
		>=app-admin/eselect-1.2
		rsync-verify? (
			>=app-portage/gemato-14.5[${PYTHON_USEDEP}]
			>=sec-keys/openpgp-keys-gentoo-release-20180706
			>=app-crypt/gnupg-2.2.4-r2[ssl(-)]
		)
	)
	elibc_glibc? ( >=sys-apps/sandbox-2.2 )
	elibc_musl? ( >=sys-apps/sandbox-2.2 )
	kernel_linux? ( sys-apps/util-linux )
	>=app-misc/pax-utils-0.1.17
	selinux? ( >=sys-libs/libselinux-2.0.94[python,${PYTHON_USEDEP}] )
	xattr? ( kernel_linux? (
		>=sys-apps/install-xattr-0.3
	) )
	!<app-admin/logrotate-3.8.0
	>=sys-apps/abi-wrapper-1.0-r6
	!<app-portage/gentoolkit-0.4.6
	!<app-portage/repoman-2.3.10
	!~app-portage/repoman-3.0.0"
PDEPEND="
	!build? (
		>=net-misc/rsync-2.6.4
		>=sys-apps/file-5.41
		>=sys-apps/coreutils-6.4
	)"
# coreutils-6.4 rdep is for date format in emerge-webrsync #164532
# NOTE: FEATURES=installsources requires debugedit and rsync

pkg_pretend() {
	local CONFIG_CHECK="~IPC_NS ~PID_NS ~NET_NS ~UTS_NS"

	check_extra_config
}

python_prepare_all() {
	local PATCHES=(
		"${FILESDIR}/3.0.30-revert-default-enable-soname-dependencies.patch"
	)

	distutils-r1_python_prepare_all

	sed -e "s:^VERSION = \"HEAD\"$:VERSION = \"${PV}\":" -i lib/portage/__init__.py || die

	if use gentoo-dev; then
		einfo "Disabling --dynamic-deps by default for gentoo-dev..."
		sed -e 's:\("--dynamic-deps", \)\("y"\):\1"n":' \
			-i lib/_emerge/create_depgraph_params.py || \
			die "failed to patch create_depgraph_params.py"

		einfo "Enabling additional FEATURES for gentoo-dev..."
		echo 'FEATURES="${FEATURES} ipc-sandbox network-sandbox strict-keepdir"' \
			>> cnf/make.globals || die
	fi

	if use native-extensions; then
		printf "[build_ext]\nportage_ext_modules=true\n" >> \
			setup.cfg || die
	fi

	if ! use ipc ; then
		einfo "Disabling ipc..."
		sed -e "s:_enable_ipc_daemon = True:_enable_ipc_daemon = False:" \
			-i lib/_emerge/AbstractEbuildProcess.py || \
			die "failed to patch AbstractEbuildProcess.py"
	fi

	if use xattr && use kernel_linux ; then
		einfo "Adding FEATURES=xattr to make.globals ..."
		echo -e '\nFEATURES="${FEATURES} xattr"' >> cnf/make.globals \
			|| die "failed to append to make.globals"
	fi

	if use build || ! use rsync-verify; then
		sed -e '/^sync-rsync-verify-metamanifest/s|yes|no|' \
			-e '/^sync-webrsync-verify-signature/s|yes|no|' \
			-i cnf/repos.conf || die "sed failed"
	fi

	if [[ -n ${EPREFIX} ]] ; then
		einfo "Setting portage.const.EPREFIX ..."
		hprefixify -e "s|^(EPREFIX[[:space:]]*=[[:space:]]*\").*|\1${EPREFIX}\"|" \
			-w "/_BINARY/" lib/portage/const.py

		einfo "Prefixing shebangs ..."
		> "${T}/shebangs" || die
		while read -r -d $'\0' ; do
			local shebang=$(head -n1 "$REPLY")
			if [[ ${shebang} == "#!"* && ! ${shebang} == "#!${EPREFIX}/"* ]] ; then
				echo "${REPLY}" >> "${T}/shebangs" || die
			fi
		done < <(find . -type f -executable ! -name etc-update -print0)

		if [[ -s ${T}/shebangs ]]; then
			xargs sed -i -e "1s:^#!:#!${EPREFIX}:" < "${T}/shebangs" || die "sed failed"
		fi

		einfo "Adjusting make.globals, repos.conf and etc-update ..."
		hprefixify cnf/{make.globals,repos.conf} bin/etc-update

		if use prefix-guest ; then
			sed -e "s|^\(main-repo = \).*|\\1gentoo_prefix|" \
				-e "s|^\\[gentoo\\]|[gentoo_prefix]|" \
				-e "s|^\(sync-uri = \).*|\\1rsync://rsync.prefix.bitzolder.nl/gentoo-portage-prefix|" \
				-i cnf/repos.conf || die "sed failed"
		fi

		einfo "Adding FEATURES=force-prefix to make.globals ..."
		echo -e '\nFEATURES="${FEATURES} force-prefix"' >> cnf/make.globals \
			|| die "failed to append to make.globals"
	fi

	cd "${S}/cnf" || die
	if [ -f "make.conf.example.${ARCH}".diff ]; then
		patch make.conf.example "make.conf.example.${ARCH}".diff || \
			die "Failed to patch make.conf.example"
	else
		eerror ""
		eerror "Portage does not have an arch-specific configuration for this arch."
		eerror "Please notify the arch maintainer about this issue. Using generic."
		eerror ""
	fi
}

python_compile_all() {
	local targets=()
	use doc && targets+=( docbook )
	use apidoc && targets+=( apidoc )

	if [[ ${targets[@]} ]]; then
		esetup.py "${targets[@]}"
	fi
}

python_test() {
	esetup.py test
}

python_install() {
	# Install sbin scripts to bindir for python-exec linking
	# they will be relocated in pkg_preinst()
	distutils-r1_python_install \
		--system-prefix="${EPREFIX}/usr" \
		--bindir="$(python_get_scriptdir)" \
		--docdir="${EPREFIX}/usr/share/doc/${PF}" \
		--htmldir="${EPREFIX}/usr/share/doc/${PF}/html" \
		--portage-bindir="${EPREFIX}/usr/lib/portage/${EPYTHON}" \
		--sbindir="$(python_get_scriptdir)" \
		--sysconfdir="${EPREFIX}/etc" \
		"${@}"
}

python_install_all() {
	distutils-r1_python_install_all

	local targets=()
	use doc && targets+=(
		install_docbook
		--htmldir="${EPREFIX}/usr/share/doc/${PF}/html"
	)
	use apidoc && targets+=(
		install_apidoc
		--htmldir="${EPREFIX}/usr/share/doc/${PF}/html"
	)

	# install docs
	if [[ ${targets[@]} ]]; then
		esetup.py "${targets[@]}"
	fi

	dotmpfiles "${FILESDIR}"/portage-ccache.conf

	# Due to distutils/python-exec limitations
	# these must be installed to /usr/bin.
	local sbin_relocations='archive-conf dispatch-conf emaint env-update etc-update fixpackages regenworld'
	einfo "Moving admin scripts to the correct directory"
	dodir /usr/sbin
	for target in ${sbin_relocations}; do
		einfo "Moving /usr/bin/${target} to /usr/sbin/${target}"
		mv "${ED}/usr/bin/${target}" "${ED}/usr/sbin/${target}" || die "sbin scripts move failed!"
	done
}

pkg_preinst() {
	if ! use build; then
		python_setup
		local sitedir=$(python_get_sitedir)
		[[ -d ${D}${sitedir} ]] || die "${D}${sitedir}: No such directory"
		env -u DISTDIR \
			-u PORTAGE_OVERRIDE_EPREFIX \
			-u PORTAGE_REPOSITORIES \
			-u PORTDIR \
			-u PORTDIR_OVERLAY \
			PYTHONPATH="${D}${sitedir}${PYTHONPATH:+:${PYTHONPATH}}" \
			"${PYTHON}" -m portage._compat_upgrade.default_locations || die

		env -u BINPKG_COMPRESS -u PORTAGE_REPOSITORIES \
			PYTHONPATH="${D}${sitedir}${PYTHONPATH:+:${PYTHONPATH}}" \
			"${PYTHON}" -m portage._compat_upgrade.binpkg_compression || die

		env -u FEATURES -u PORTAGE_REPOSITORIES \
			PYTHONPATH="${D}${sitedir}${PYTHONPATH:+:${PYTHONPATH}}" \
			"${PYTHON}" -m portage._compat_upgrade.binpkg_multi_instance || die
	fi

	# elog dir must exist to avoid logrotate error for bug #415911.
	# This code runs in preinst in order to bypass the mapping of
	# portage:portage to root:root which happens after src_install.
	keepdir /var/log/portage/elog
	# This is allowed to fail if the user/group are invalid for prefix users.
	if chown portage:portage "${ED}"/var/log/portage{,/elog} 2>/dev/null ; then
		chmod g+s,ug+rwx "${ED}"/var/log/portage{,/elog}
	fi

	if has_version "<${CATEGORY}/${PN}-2.3.77"; then
		elog "The emerge --autounmask option is now disabled by default, except for"
		elog "portions of behavior which are controlled by the --autounmask-use and"
		elog "--autounmask-license options. For backward compatibility, previous"
		elog "behavior of --autounmask=y and --autounmask=n is entirely preserved."
		elog "Users can get the old behavior simply by adding --autounmask to the"
		elog "make.conf EMERGE_DEFAULT_OPTS variable. For the rationale for this"
		elog "change, see https://bugs.gentoo.org/658648."
	fi
}

pkg_postinst() {
	einfo
	elog "For setup instructions after switching to portage-multilib"
	elog "read doc/portage-multilib-instructions inside the multilib overlay"
	einfo
	elog "The bin/ dir of the overlay has some scripts to switch from lib32"
	elog "to MULTILIB_ABI or to add the default MULTILIB_ABI flags"

	einfo ""
	einfo "This release of portage NO LONGER contains the repoman code base."
	einfo "Repoman has its own ebuild and release package."
	einfo "For repoman functionality please emerge app-portage/repoman"
	einfo "Please report any bugs you may encounter."
	einfo ""
}