dev-db/postgresql: Security Bump

Bump to 13.2, 12.6, 11.11, 10.16, 9.6.21, and 9.5.25. Addresses vulnerabilities:
CVE-2021-3393 and CVE-2021-20229.

Includes ICU68 fix, and extra workaround patch for 10.16 (thanks Marco
Sirabella).

Bug: https://bugs.gentoo.org/771942
Bug: https://bugs.gentoo.org/766225
Signed-off-by: Aaron W. Swenson <titanofold@gentoo.org>

8 files changed, 2813 insertions, 0 deletions

diff --git a/dev-db/postgresql/Manifest b/dev-db/postgresql/Manifest
index 48904b4d7427..dcd19a429348 100644
--- a/dev-db/postgresql/Manifest
+++ b/dev-db/postgresql/Manifest
@@ -1,6 +1,12 @@
 DIST postgresql-10.15.tar.bz2 19089779 BLAKE2B 3b1b30fca0253122aa20eb3fc0cac0b022379b0f0daded46d3295e76167c0063698226198bc905bed5b689a71f4dd2bab5795861207767c2091f037a2b0e9663 SHA512 88fe322a8691692f8c1b8ca7f7a5a035c399c1d2a0e6276b60863f2c0cb8e4857b041d7364641e0738438aee0836688e712b9c176ac454ee98386dfd18754636
+DIST postgresql-10.16.tar.bz2 19140221 BLAKE2B 37fccd3f5c72ac489cbc26225dcc6992fa7fd5884a0141ec093122f556d7959a053181e01c6892d2e322af54028bf40b2293d090afa6366739cdefd3f62abd73 SHA512 690649b4e2f4e0650e5b927048e06894e60c5cf1663bb63ab89143f49e5f753e590d3f011b44df3c402379953a9c23f4832f0cf97c984f03c37d14cb85c860aa
 DIST postgresql-11.10.tar.bz2 20003842 BLAKE2B 21446b5e9202c84dad4d6c768f16aab539e656d0a836121343ca4051269845a9ef06859ea37dab09030467336599eb1b72175115d61ca965ed74b7c2fed9ffbf SHA512 0cc0e9b0f76e00727dc699ea59a45d760d37d91ec736a62cbc9bda3e38eb1ef1565e4e399dd3ae96bad87f866e56e364f916de7740d8be6e1cfc2bf654dfbb68
+DIST postgresql-11.11.tar.bz2 20054359 BLAKE2B d15a75319c53fb38a63e4e331567e32014e30fd8696ce19e4c50a458e866827f934d1bc7d28a0c28fddbf1ff7e9f61e5b3016cef27ed988ca43aabb3278bb64d SHA512 8d38e6b7826e73191159f1ee69efde28adc061e0041eb136f55681503a189355b869b2ff312860325d454c1f95367d921fb61dd2de31f584261f165f229bcdb9
 DIST postgresql-12.5.tar.bz2 20729654 BLAKE2B 7f7458346a0823d155f5caea0061aa14048d6f3cac27b1ea23dba03b02a39f39314ad1d44e589520d5e287004ffd32e042fea99ebfeda24b2cc23867b402d336 SHA512 9895bcb1bb26206500666ab4441e663ef83702d428b85a6ff177a4eaf44b0ae06b35d5c4da2672ccb4ec18296649af95bf2f0aed526afaa6a216a8c2d2c5627e
+DIST postgresql-12.6.tar.bz2 20771172 BLAKE2B 7df8eb901255f56b4574cdd94a5e9d5a907d800edded805d4e8a9d1b85e5aac1c9b1963c9f8980ff5c95607e046e8e92f35a808f009cfdd36d54e1aca2e35db0 SHA512 5742c9d861c53bbdd032972e63b706d24ccb39492474c446cf4edac235d57357f036e48727027819004177003c4328123148e3d767d2b3d7866a52f333f8d68d
 DIST postgresql-13.1.tar.bz2 21034192 BLAKE2B 609ac10f87da800754223c7f7d6b02efa3ed1308a5d27cc793c937be983f4041576e20de3b2efe514e3f61dc863e6212ec01d73adb93f6bcc373a596b2946675 SHA512 b7bd378db1dcb74ebcd5fffba03b82d8117d182029e4caca48eef62d8bcdbeef2c2e10f18eef0cdafb9d7acf21aa164d040e56687709f97b08c51540a786eeca
+DIST postgresql-13.2.tar.bz2 21057276 BLAKE2B 982feffdd98d3f519ff1e790d35ac828710d3ca6cbf935a78bf04011dbc12b4523b451bc7f2421a788a709d1746b2cca9135842bfc1d5048ef5951ed48b20b6a SHA512 6d93cbae8de8637deeccd851fb676a12015e8e1efa6be2424f506f232db535c54b974b11f47ed4578575f90f6de1947b1647f399794b4ec242838efd4c5b2bce
 DIST postgresql-9.5.24.tar.bz2 17881872 BLAKE2B b86019c4616142a0f5a8db3d00422e16181650d1e1ba755bf6453b76e50b3feff75d7319839ee6f28949d743e46bbdaea32fa3d51f39dd4b4439c88943665d6d SHA512 6e649cd31f2761e2d070d8028b59a690ad76ff3d83a3aa982c4b222c8ea2927fda5e8f473330526673e27ad4b3cc99e8c66810e097c3dfc6517571405c6aede3
+DIST postgresql-9.5.25.tar.bz2 17923796 BLAKE2B 432e035e78dacddddfd46fd4d04775b61e2e4db9e61945fa5f7e1c3c5ea3516a5e327489b4e57313b0d6ba4f2e20f52a164f96db01aa22b755ff625039f262eb SHA512 621b36d767d2c7eb2e942cb7b26ca7491450fcfd9606114849f7336b4d8a0bc0196badb44da4918e748145d21b6f72ccf1255a1309dff2427da8b39b63fca427
 DIST postgresql-9.6.20.tar.bz2 18944478 BLAKE2B 46c7b27ca60f967f71984d6b747c3054ae6ef4acdcbcd14cfbe3c1ede32a9303b99911e521ed0aa2ba6f899c0d8b9ec03e4e6804379ea6e2371a696f32a6f867 SHA512 6d247e5640a515fa6e6a4c68a992c83aeb19e35924b8e3d21191b3289200766588d1426c5863a13bfc4a11944da3202df9efebc94460d16454c29e5a79384c75
+DIST postgresql-9.6.21.tar.bz2 18990266 BLAKE2B 42a2feaf15b8fd4cfcc028a744a696314f0ce7b22ec6c18c43152d7e4b8149a9d5acd6cf22c1d13643709dd2b3f1de571e2925c7fc501dc361248c99c88e3f42 SHA512 6fba42171cbe4ec24ed250c32cc8f35be70ddfbc6d1ef0df733bbd094b29174ef198db351f6679a26170effe1fed44269dbe9dbdd619bb18be87f5b539f74475
diff --git a/dev-db/postgresql/files/postgresql-10.0-icu68-2.patch b/dev-db/postgresql/files/postgresql-10.0-icu68-2.patch
new file mode 100644
index 000000000000..871516f9bf3d
--- /dev/null
+++ b/dev-db/postgresql/files/postgresql-10.0-icu68-2.patch
@@ -0,0 +1,11 @@
+tardiff /usr/portage/distfiles/postgresql-10.15.tar.bz2 -upN
+--- postgresql-10.15/src/include/utils/pg_locale.h
++++ postgresql-10.15/src/include/utils/pg_locale.h	2021-02-09 12:03:19.403549986 -0800
+@@ -17,6 +17,7 @@
+ #endif
+ #ifdef USE_ICU
+ #include <unicode/ucol.h>
++#undef bool
+ #endif
+ 
+ #include "utils/guc.h"
diff --git a/dev-db/postgresql/postgresql-10.16.ebuild b/dev-db/postgresql/postgresql-10.16.ebuild
new file mode 100644
index 000000000000..7e7550f62a05
--- /dev/null
+++ b/dev-db/postgresql/postgresql-10.16.ebuild
@@ -0,0 +1,461 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+
+inherit flag-o-matic linux-info multilib pam prefix python-single-r1 systemd
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~ppc-macos ~x86-solaris"
+
+SLOT=$(ver_cut 1)
+
+MY_PV=${PV/_/}
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+SRC_URI="https://ftp.postgresql.org/pub/source/v${MY_PV}/postgresql-${MY_PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="https://www.postgresql.org/"
+
+IUSE="debug doc icu kerberos kernel_linux ldap libressl nls pam perl
+	  python +readline selinux +server systemd ssl static-libs tcl
+	  threads uuid xml zlib"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+acct-group/postgres
+acct-user/postgres
+sys-apps/less
+virtual/libintl
+icu? ( dev-libs/icu:= )
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+pam? ( sys-libs/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+server? ( systemd? ( sys-apps/systemd ) )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+# uuid flags -- depend on sys-apps/util-linux for Linux libcs, or if no
+# supported libc in use depend on dev-libs/ossp-uuid. For BSD systems,
+# the libc includes UUID functions.
+UTIL_LINUX_LIBC=( elibc_{glibc,uclibc,musl} )
+BSD_LIBC=( elibc_{Free,Net,Open}BSD )
+
+nest_usedep() {
+	local front back
+	while [[ ${#} -gt 1 ]]; do
+		front+="${1}? ( "
+		back+=" )"
+		shift
+	done
+	echo "${front}${1}${back}"
+}
+
+IUSE+=" ${UTIL_LINUX_LIBC[@]} ${BSD_LIBC[@]}"
+CDEPEND+="
+uuid? (
+	${UTIL_LINUX_LIBC[@]/%/? ( sys-apps/util-linux )}
+	$(nest_usedep ${UTIL_LINUX_LIBC[@]/#/!} ${BSD_LIBC[@]/#/!} dev-libs/ossp-uuid)
+)"
+
+DEPEND="${CDEPEND}
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Work around PPC{,64} compilation bug where bool is already defined
+	sed '/#ifndef __cplusplus/a #undef bool' -i src/include/c.h || die
+
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || eapply "${FILESDIR}/${PN}-10.2-no-server.patch"
+
+	if use pam ; then
+		sed -e "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	# https://bugs.gentoo.org/753257
+	# https://bugs.gentoo.org/766225
+	eapply "${FILESDIR}"/postgresql-10.0-icu68.patch \
+		   "${FILESDIR}"/postgresql-10.0-icu68-2.patch
+
+	eapply_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX}"
+
+	local i uuid_config=""
+	if use uuid; then
+		for i in ${UTIL_LINUX_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=e2fs"
+		done
+		for i in ${BSD_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=bsd"
+		done
+		[[ -z $uuid_config ]] && uuid_config="--with-uuid=ossp"
+	fi
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !alpha spinlocks) \
+		$(use_enable debug) \
+		$(use_enable threads thread-safety) \
+		$(use_with icu) \
+		$(use_with kerberos gssapi) \
+		$(use_with ldap) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(usex server "$(use_with systemd)" '--without-systemd') \
+		$(use_with tcl) \
+		${uuid_config} \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		$(use_enable nls)
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY doc/{TODO,bug.template}
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		serverman=(
+			initdb
+			pg_{archivecleanup,controldata,ctl,resetwal,rewind,standby}
+			pg_{test_{fsync,timing},upgrade,waldump}
+			post{gres,master}
+		)
+		for m in ${serverman[@]} ; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	# Don't delete libpg{port,common}.a (Bug #571046). They're always
+	# needed by extensions utilizing PGXS.
+	use static-libs || \
+		find "${ED}" -name '*.a' ! -name libpgport.a ! -name libpgcommon.a \
+			 -delete
+
+	# Make slot specific links to programs
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		if use systemd; then
+			sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+				"${FILESDIR}/${PN}.service-9.6-r1" | \
+				systemd_newunit - ${PN}-${SLOT}.service
+			newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+			systemd_newtmpfilesd "${FILESDIR}"/${PN}.tmpfiles ${PN}-${SLOT}.conf
+		fi
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 1775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_postinst() {
+	use server && use systemd && systemd_tmpfiles_create ${PN}-${SLOT}.conf
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "https://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+
+		if [[ -n ${REPLACING_VERSIONS} ]] ; then
+			ewarn "If your system is using 'pg_stat_statements' and you are running a"
+			ewarn "version of PostgreSQL ${SLOT}, we advise that you execute"
+			ewarn "the following command after upgrading:"
+			ewarn
+			ewarn "ALTER EXTENSION pg_stat_statements UPDATE;"
+		fi
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "${DATA_DIR}"
+		chown -Rf postgres:postgres "${DATA_DIR}"
+		chmod 0700 "${DATA_DIR}"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	if ! use systemd; then
+		einfo "The PostgreSQL server, by default, will log events to:"
+		einfo "    ${DATA_DIR%/}/postmaster.log"
+		einfo
+	fi
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	elif use systemd; then
+		einfo "You should use the 'postgresql-${SLOT}.service' unit to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	else
+		einfo "You should use the '${EROOT}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-11.11.ebuild b/dev-db/postgresql/postgresql-11.11.ebuild
new file mode 100644
index 000000000000..0af9a4b8753f
--- /dev/null
+++ b/dev-db/postgresql/postgresql-11.11.ebuild
@@ -0,0 +1,458 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+
+inherit flag-o-matic linux-info multilib pam prefix python-single-r1 systemd
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+
+SLOT=$(ver_cut 1)
+
+MY_PV=${PV/_/}
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+SRC_URI="https://ftp.postgresql.org/pub/source/v${MY_PV}/postgresql-${MY_PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="https://www.postgresql.org/"
+
+IUSE="debug doc icu kerberos kernel_linux ldap libressl llvm nls pam
+	  perl python +readline selinux +server systemd ssl static-libs tcl
+	  threads uuid xml zlib"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+acct-group/postgres
+acct-user/postgres
+sys-apps/less
+virtual/libintl
+icu? ( dev-libs/icu:= )
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+llvm? (
+	sys-devel/llvm:=
+	sys-devel/clang:=
+)
+pam? ( sys-libs/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+server? ( systemd? ( sys-apps/systemd ) )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+# uuid flags -- depend on sys-apps/util-linux for Linux libcs, or if no
+# supported libc in use depend on dev-libs/ossp-uuid. For BSD systems,
+# the libc includes UUID functions.
+UTIL_LINUX_LIBC=( elibc_{glibc,uclibc,musl} )
+BSD_LIBC=( elibc_{Free,Net,Open}BSD )
+
+nest_usedep() {
+	local front back
+	while [[ ${#} -gt 1 ]]; do
+		front+="${1}? ( "
+		back+=" )"
+		shift
+	done
+	echo "${front}${1}${back}"
+}
+
+IUSE+=" ${UTIL_LINUX_LIBC[@]} ${BSD_LIBC[@]}"
+CDEPEND+="
+uuid? (
+	${UTIL_LINUX_LIBC[@]/%/? ( sys-apps/util-linux )}
+	$(nest_usedep ${UTIL_LINUX_LIBC[@]/#/!} ${BSD_LIBC[@]/#/!} dev-libs/ossp-uuid)
+)"
+
+DEPEND="${CDEPEND}
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || eapply "${FILESDIR}/${PN}-11_beta1-no-server.patch"
+
+	if use pam ; then
+		sed "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	eapply_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX}"
+
+	local i uuid_config=""
+	if use uuid; then
+		for i in ${UTIL_LINUX_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=e2fs"
+		done
+		for i in ${BSD_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=bsd"
+		done
+		[[ -z $uuid_config ]] && uuid_config="--with-uuid=ossp"
+	fi
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !alpha spinlocks) \
+		$(use_enable debug) \
+		$(use_enable threads thread-safety) \
+		$(use_with icu) \
+		$(use_with kerberos gssapi) \
+		$(use_with ldap) \
+		$(use_with llvm) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(usex server "$(use_with systemd)" '--without-systemd') \
+		$(use_with tcl) \
+		${uuid_config} \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		$(use_enable nls)
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY doc/{TODO,bug.template}
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		serverman=(
+			initdb
+			pg_{archivecleanup,controldata,ctl,resetwal,rewind,standby}
+			pg_{test_{fsync,timing},upgrade,waldump}
+			post{gres,master}
+		)
+		for m in ${serverman[@]} ; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	# Don't delete libpg{port,common}.a (Bug #571046). They're always
+	# needed by extensions utilizing PGXS.
+	use static-libs || \
+		find "${ED}" -name '*.a' ! -name libpgport.a ! -name libpgcommon.a \
+			 -delete
+
+	# Make slot specific links to programs
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		if use systemd; then
+			sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+				"${FILESDIR}/${PN}.service-9.6-r1" | \
+				systemd_newunit - ${PN}-${SLOT}.service
+			newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+			systemd_newtmpfilesd "${FILESDIR}"/${PN}.tmpfiles ${PN}-${SLOT}.conf
+		fi
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 1775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_postinst() {
+	use server && use systemd && systemd_tmpfiles_create ${PN}-${SLOT}.conf
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "https://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+
+		if [[ -n ${REPLACING_VERSIONS} ]] ; then
+			ewarn "If your system is using 'pg_stat_statements' and you are running a"
+			ewarn "version of PostgreSQL ${SLOT}, we advise that you execute"
+			ewarn "the following command after upgrading:"
+			ewarn
+			ewarn "ALTER EXTENSION pg_stat_statements UPDATE;"
+		fi
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "$(dirname ${DATA_DIR%/})" || die "Couldn't parent dirs"
+		mkdir -m 0700 "${DATA_DIR%/}" || die "Couldn't make DATA_DIR"
+		chown -h postgres:postgres "${DATA_DIR%/}" || die "Couldn't chown"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	if ! use systemd; then
+		einfo "The PostgreSQL server, by default, will log events to:"
+		einfo "    ${DATA_DIR%/}/postmaster.log"
+		einfo
+	fi
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	elif use systemd; then
+		einfo "You should use the 'postgresql-${SLOT}.service' unit to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	else
+		einfo "You should use the '${EROOT}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-12.6.ebuild b/dev-db/postgresql/postgresql-12.6.ebuild
new file mode 100644
index 000000000000..76bfc2f0826b
--- /dev/null
+++ b/dev-db/postgresql/postgresql-12.6.ebuild
@@ -0,0 +1,458 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+
+inherit flag-o-matic linux-info multilib pam prefix python-single-r1 systemd
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+
+SLOT=$(ver_cut 1)
+
+MY_PV=${PV/_/}
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+SRC_URI="https://ftp.postgresql.org/pub/source/v${MY_PV}/postgresql-${MY_PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="https://www.postgresql.org/"
+
+IUSE="debug doc icu kerberos kernel_linux ldap libressl llvm nls pam
+	  perl python +readline selinux +server systemd ssl static-libs tcl
+	  threads uuid xml zlib"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+acct-group/postgres
+acct-user/postgres
+sys-apps/less
+virtual/libintl
+icu? ( dev-libs/icu:= )
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+llvm? (
+	sys-devel/llvm:=
+	sys-devel/clang:=
+)
+pam? ( sys-libs/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+server? ( systemd? ( sys-apps/systemd ) )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+# uuid flags -- depend on sys-apps/util-linux for Linux libcs, or if no
+# supported libc in use depend on dev-libs/ossp-uuid. For BSD systems,
+# the libc includes UUID functions.
+UTIL_LINUX_LIBC=( elibc_{glibc,uclibc,musl} )
+BSD_LIBC=( elibc_{Free,Net,Open}BSD )
+
+nest_usedep() {
+	local front back
+	while [[ ${#} -gt 1 ]]; do
+		front+="${1}? ( "
+		back+=" )"
+		shift
+	done
+	echo "${front}${1}${back}"
+}
+
+IUSE+=" ${UTIL_LINUX_LIBC[@]} ${BSD_LIBC[@]}"
+CDEPEND+="
+uuid? (
+	${UTIL_LINUX_LIBC[@]/%/? ( sys-apps/util-linux )}
+	$(nest_usedep ${UTIL_LINUX_LIBC[@]/#/!} ${BSD_LIBC[@]/#/!} dev-libs/ossp-uuid)
+)"
+
+DEPEND="${CDEPEND}
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || eapply "${FILESDIR}/${PN}-12.1-no-server.patch"
+
+	if use pam ; then
+		sed "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	eapply_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX}"
+
+	local i uuid_config=""
+	if use uuid; then
+		for i in ${UTIL_LINUX_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=e2fs"
+		done
+		for i in ${BSD_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=bsd"
+		done
+		[[ -z $uuid_config ]] && uuid_config="--with-uuid=ossp"
+	fi
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !alpha spinlocks) \
+		$(use_enable debug) \
+		$(use_enable threads thread-safety) \
+		$(use_with icu) \
+		$(use_with kerberos gssapi) \
+		$(use_with ldap) \
+		$(use_with llvm) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(usex server "$(use_with systemd)" '--without-systemd') \
+		$(use_with tcl) \
+		${uuid_config} \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		$(use_enable nls)
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		serverman=(
+			initdb
+			pg_{archivecleanup,controldata,ctl,resetwal,rewind,standby}
+			pg_{test_{fsync,timing},upgrade,waldump}
+			post{gres,master}
+		)
+		for m in ${serverman[@]} ; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	# Don't delete libpg{port,common}.a (Bug #571046). They're always
+	# needed by extensions utilizing PGXS.
+	use static-libs || \
+		find "${ED}" -name '*.a' ! -name libpgport.a ! -name libpgcommon.a \
+			 -delete
+
+	# Make slot specific links to programs
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		if use systemd; then
+			sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+				"${FILESDIR}/${PN}.service-9.6-r1" | \
+				systemd_newunit - ${PN}-${SLOT}.service
+			newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+			systemd_newtmpfilesd "${FILESDIR}"/${PN}.tmpfiles ${PN}-${SLOT}.conf
+		fi
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 1775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_postinst() {
+	use server && use systemd && systemd_tmpfiles_create ${PN}-${SLOT}.conf
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "https://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+
+		if [[ -n ${REPLACING_VERSIONS} ]] ; then
+			ewarn "If your system is using 'pg_stat_statements' and you are running a"
+			ewarn "version of PostgreSQL ${SLOT}, we advise that you execute"
+			ewarn "the following command after upgrading:"
+			ewarn
+			ewarn "ALTER EXTENSION pg_stat_statements UPDATE;"
+		fi
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "$(dirname ${DATA_DIR%/})" || die "Couldn't parent dirs"
+		mkdir -m 0700 "${DATA_DIR%/}" || die "Couldn't make DATA_DIR"
+		chown -h postgres:postgres "${DATA_DIR%/}" || die "Couldn't chown"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	if ! use systemd; then
+		einfo "The PostgreSQL server, by default, will log events to:"
+		einfo "    ${DATA_DIR%/}/postmaster.log"
+		einfo
+	fi
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	elif use systemd; then
+		einfo "You should use the 'postgresql-${SLOT}.service' unit to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	else
+		einfo "You should use the '${EROOT}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-13.2.ebuild b/dev-db/postgresql/postgresql-13.2.ebuild
new file mode 100644
index 000000000000..38df82bef24a
--- /dev/null
+++ b/dev-db/postgresql/postgresql-13.2.ebuild
@@ -0,0 +1,462 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+
+inherit flag-o-matic linux-info multilib pam prefix python-single-r1 systemd
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+
+SLOT=$(ver_cut 1)
+
+MY_PV=${PV/_/}
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+SRC_URI="https://ftp.postgresql.org/pub/source/v${MY_PV}/postgresql-${MY_PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="https://www.postgresql.org/"
+
+IUSE="debug doc icu kerberos kernel_linux ldap libressl llvm nls pam
+	  perl python +readline selinux +server systemd ssl static-libs tcl
+	  threads uuid xml zlib"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+acct-group/postgres
+acct-user/postgres
+sys-apps/less
+virtual/libintl
+icu? ( dev-libs/icu:= )
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+llvm? (
+	sys-devel/llvm:=
+	sys-devel/clang:=
+)
+pam? ( sys-libs/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+server? ( systemd? ( sys-apps/systemd ) )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+# uuid flags -- depend on sys-apps/util-linux for Linux libcs, or if no
+# supported libc in use depend on dev-libs/ossp-uuid. For BSD systems,
+# the libc includes UUID functions.
+UTIL_LINUX_LIBC=( elibc_{glibc,uclibc,musl} )
+BSD_LIBC=( elibc_{Free,Net,Open}BSD )
+
+nest_usedep() {
+	local front back
+	while [[ ${#} -gt 1 ]]; do
+		front+="${1}? ( "
+		back+=" )"
+		shift
+	done
+	echo "${front}${1}${back}"
+}
+
+IUSE+=" ${UTIL_LINUX_LIBC[@]} ${BSD_LIBC[@]}"
+CDEPEND+="
+uuid? (
+	${UTIL_LINUX_LIBC[@]/%/? ( sys-apps/util-linux )}
+	$(nest_usedep ${UTIL_LINUX_LIBC[@]/#/!} ${BSD_LIBC[@]/#/!} dev-libs/ossp-uuid)
+)"
+
+DEPEND="${CDEPEND}
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || eapply "${FILESDIR}/${PN}-13_beta1-no-server.patch"
+
+	if use pam ; then
+		sed "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	eapply_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX}"
+
+	local i uuid_config=""
+	if use uuid; then
+		for i in ${UTIL_LINUX_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=e2fs"
+		done
+		for i in ${BSD_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=bsd"
+		done
+		[[ -z $uuid_config ]] && uuid_config="--with-uuid=ossp"
+	fi
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !alpha spinlocks) \
+		$(use_enable debug) \
+		$(use_enable threads thread-safety) \
+		$(use_with icu) \
+		$(use_with kerberos gssapi) \
+		$(use_with ldap) \
+		$(use_with llvm) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(usex server "$(use_with systemd)" '--without-systemd') \
+		$(use_with tcl) \
+		${uuid_config} \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		$(use_enable nls)
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		serverman=(
+			initdb
+			pg_{archivecleanup,controldata,ctl,resetwal,rewind,standby}
+			pg_{test_{fsync,timing},upgrade,waldump}
+			post{gres,master}
+		)
+		for m in ${serverman[@]} ; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	# Don't delete libpg{port,common}.a (Bug #571046). They're always
+	# needed by extensions utilizing PGXS.
+	use static-libs || \
+		find "${ED}" -name '*.a' ! -name libpgport.a ! -name libpgcommon.a \
+			 -delete
+
+	# Make slot specific links to programs
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		if use systemd; then
+			sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+				"${FILESDIR}/${PN}.service-9.6-r1" | \
+				systemd_newunit - ${PN}-${SLOT}.service
+			newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+			systemd_newtmpfilesd "${FILESDIR}"/${PN}.tmpfiles ${PN}-${SLOT}.conf
+		fi
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 1775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_postinst() {
+	use server && use systemd && systemd_tmpfiles_create ${PN}-${SLOT}.conf
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "https://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+
+		if [[ -n ${REPLACING_VERSIONS} ]] ; then
+			ewarn "If your system is using 'pg_stat_statements' and you are running a"
+			ewarn "version of PostgreSQL ${SLOT}, we advise that you execute"
+			ewarn "the following command after upgrading:"
+			ewarn
+			ewarn "ALTER EXTENSION pg_stat_statements UPDATE;"
+		fi
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "$(dirname ${DATA_DIR%/})" || die "Couldn't parent dirs"
+		mkdir -m 0700 "${DATA_DIR%/}" || die "Couldn't make DATA_DIR"
+		chown -h postgres:postgres "${DATA_DIR%/}" || die "Couldn't chown"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	if ! use systemd; then
+		einfo "The PostgreSQL server, by default, will log events to:"
+		einfo "    ${DATA_DIR%/}/postmaster.log"
+		einfo
+	fi
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	elif use systemd; then
+		einfo "You should use the 'postgresql-${SLOT}.service' unit to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	else
+		einfo "You should use the '${EROOT}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		# Some ICU tests fail if LC_CTYPE and LC_COLLATE aren't the same. We set
+		# LC_CTYPE to be equal to LC_COLLATE since LC_COLLATE is set by Portage.
+		local old_ctype=${LC_CTYPE}
+		export LC_CTYPE=${LC_COLLATE}
+		emake check
+		export LC_CTYPE=${old_ctype}
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.5.25.ebuild b/dev-db/postgresql/postgresql-9.5.25.ebuild
new file mode 100644
index 000000000000..02a1536dce0b
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.5.25.ebuild
@@ -0,0 +1,476 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+
+inherit flag-o-matic linux-info multilib pam prefix python-single-r1 systemd
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~ppc-macos ~x86-solaris"
+
+SLOT=$(ver_cut 1-2)
+
+SRC_URI="https://ftp.postgresql.org/pub/source/v${PV}/postgresql-${PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="https://www.postgresql.org/"
+
+IUSE="debug doc kerberos kernel_linux ldap libressl nls pam perl
+	  -pg-legacytimestamp python +readline selinux +server systemd ssl
+	  static-libs tcl threads uuid xml zlib"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+acct-group/postgres
+acct-user/postgres
+sys-apps/less
+virtual/libintl
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+pam? ( sys-libs/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+# uuid flags -- depend on sys-apps/util-linux for Linux libcs, or if no
+# supported libc in use depend on dev-libs/ossp-uuid. For BSD systems,
+# the libc includes UUID functions.
+UTIL_LINUX_LIBC=( elibc_{glibc,uclibc,musl} )
+BSD_LIBC=( elibc_{Free,Net,Open}BSD )
+
+nest_usedep() {
+	local front back
+	while [[ ${#} -gt 1 ]]; do
+		front+="${1}? ( "
+		back+=" )"
+		shift
+	done
+	echo "${front}${1}${back}"
+}
+
+IUSE+=" ${UTIL_LINUX_LIBC[@]} ${BSD_LIBC[@]}"
+CDEPEND+="
+uuid? (
+	${UTIL_LINUX_LIBC[@]/%/? ( sys-apps/util-linux )}
+	$(nest_usedep ${UTIL_LINUX_LIBC[@]/#/!} ${BSD_LIBC[@]/#/!} dev-libs/ossp-uuid)
+)"
+
+DEPEND="${CDEPEND}
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Work around PPC{,64} compilation bug where bool is already defined
+	sed '/#ifndef __cplusplus/a #undef bool' -i src/include/c.h || die
+
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || eapply "${FILESDIR}/${PN}-9.5.5-no-server.patch"
+
+	if use pam ; then
+		sed -e "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	eapply_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX}"
+
+	local i uuid_config=""
+	if use uuid; then
+		for i in ${UTIL_LINUX_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=e2fs"
+		done
+		for i in ${BSD_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=bsd"
+		done
+		[[ -z $uuid_config ]] && uuid_config="--with-uuid=ossp"
+	fi
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !alpha spinlocks) \
+		$(use_enable !pg-legacytimestamp integer-datetimes) \
+		$(use_enable debug) \
+		$(use_enable threads thread-safety) \
+		$(use_with kerberos gssapi) \
+		$(use_with ldap) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(use_with tcl) \
+		${uuid_config} \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		$(use_enable nls)
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY doc/{TODO,bug.template}
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		for m in {initdb,pg_{controldata,ctl,resetxlog},post{gres,master}}; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT/.}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	# Don't delete libpg{port,common}.a (Bug #571046). They're always
+	# needed by extensions utilizing PGXS.
+	use static-libs || \
+		find "${ED}" -name '*.a' ! -name libpgport.a ! -name libpgcommon.a \
+			 -delete
+
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		# Temporarily tack on tmp to workaround a file collision
+		# issue. This is only necessary for 9.7 and earlier. 10 never
+		# had this issue.
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}tmp"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		if use systemd; then
+			sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+				"${FILESDIR}/${PN}.service-9.2" | \
+				systemd_newunit - ${PN}-${SLOT}.service
+			systemd_newtmpfilesd "${FILESDIR}"/${PN}.tmpfiles ${PN}-${SLOT}.conf
+		fi
+
+		newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 1775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_preinst() {
+	# Find all of the slot-specific symlinks, if any, in /usr/bin (e.g.,
+	# /usr/bin/psql96). They may have been created by the
+	# postgresql.eselect module, but they're handled within this ebuild
+	# now. It's alright if we momentarily delete /usr/bin/psql as it
+	# will be recreated by the eselect module in pkg_ppostinst(). This
+	# is only necessary for 9.7 and earlier. 10 and later were never
+	# handled in this manner.
+	local canonicalise
+	if type -p realpath > /dev/null; then
+		canonicalise=realpath
+	elif type -p readlink > /dev/null; then
+		canonicalise='readlink -f'
+	else
+		# can't die, subshell
+		die "No readlink nor realpath found, cannot canonicalise"
+	fi
+
+	local l
+	# First remove any symlinks in /usr/bin that may have been created
+	# by the old eselect
+	for l in $(find "${ROOT}/usr/bin" -mindepth 1 -maxdepth 1 -type l) ; do
+		if [[ $(${canonicalise} "${l}") == *postgresql-${SLOT}* ]] ; then
+			rm "${l}" || ewarn "Couldn't remove ${l}"
+		fi
+	done
+
+	# Then move the symlinks created by the ebuild to their proper place.
+	for l in "${ED}"/usr/bin/*tmp ; do
+		mv "${l}" "${l%tmp}" \
+			|| ewarn "Couldn't rename $(basename ${l}) to $(basename ${l%tmp})"
+	done
+}
+
+pkg_postinst() {
+	use server && use systemd && systemd_tmpfiles_create ${PN}-${SLOT}.conf
+	postgresql-config update
+
+	if use alpha && use server ; then
+		ewarn "PostgreSQL 9.5+ no longer has native spinlock support on Alpha platforms."
+		ewarn "As a result, performance will be extremely degraded."
+	fi
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "https://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "${DATA_DIR}"
+		chown -Rf postgres:postgres "${DATA_DIR}"
+		chmod 0700 "${DATA_DIR}"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	einfo "The PostgreSQL server, by default, will log events to:"
+	einfo "    ${DATA_DIR%/}/postmaster.log"
+	einfo
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	else
+		einfo "You should use the '${EROOT}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.6.21.ebuild b/dev-db/postgresql/postgresql-9.6.21.ebuild
new file mode 100644
index 000000000000..a1836bd66c71
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.6.21.ebuild
@@ -0,0 +1,481 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7,8,9} )
+
+inherit flag-o-matic linux-info multilib pam prefix python-single-r1 systemd
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+
+SLOT=$(ver_cut 1-2)
+
+MY_PV=${PV/_/}
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+SRC_URI="https://ftp.postgresql.org/pub/source/v${MY_PV}/postgresql-${MY_PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="https://www.postgresql.org/"
+
+IUSE="debug doc kerberos kernel_linux ldap libressl nls pam perl
+	  -pg-legacytimestamp python +readline selinux +server systemd ssl
+	  static-libs tcl threads uuid xml zlib"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+acct-group/postgres
+acct-user/postgres
+sys-apps/less
+virtual/libintl
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+pam? ( sys-libs/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+server? ( systemd? ( sys-apps/systemd ) )
+tcl? ( >=dev-lang/tcl-8:0= )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+# uuid flags -- depend on sys-apps/util-linux for Linux libcs, or if no
+# supported libc in use depend on dev-libs/ossp-uuid. For BSD systems,
+# the libc includes UUID functions.
+UTIL_LINUX_LIBC=( elibc_{glibc,uclibc,musl} )
+BSD_LIBC=( elibc_{Free,Net,Open}BSD )
+
+nest_usedep() {
+	local front back
+	while [[ ${#} -gt 1 ]]; do
+		front+="${1}? ( "
+		back+=" )"
+		shift
+	done
+	echo "${front}${1}${back}"
+}
+
+IUSE+=" ${UTIL_LINUX_LIBC[@]} ${BSD_LIBC[@]}"
+CDEPEND+="
+uuid? (
+	${UTIL_LINUX_LIBC[@]/%/? ( sys-apps/util-linux )}
+	$(nest_usedep ${UTIL_LINUX_LIBC[@]/#/!} ${BSD_LIBC[@]/#/!} dev-libs/ossp-uuid)
+)"
+
+DEPEND="${CDEPEND}
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Work around PPC{,64} compilation bug where bool is already defined
+	sed '/#ifndef __cplusplus/a #undef bool' -i src/include/c.h || die
+
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || eapply "${FILESDIR}/${PN}-${SLOT}.3-no-server.patch"
+
+	if use pam ; then
+		sed -e "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	eapply_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX}"
+
+	local i uuid_config=""
+	if use uuid; then
+		for i in ${UTIL_LINUX_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=e2fs"
+		done
+		for i in ${BSD_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=bsd"
+		done
+		[[ -z $uuid_config ]] && uuid_config="--with-uuid=ossp"
+	fi
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !alpha spinlocks) \
+		$(use_enable !pg-legacytimestamp integer-datetimes) \
+		$(use_enable debug) \
+		$(use_enable threads thread-safety) \
+		$(use_with kerberos gssapi) \
+		$(use_with ldap) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(usex server "$(use_with systemd)" '--without-systemd') \
+		$(use_with tcl) \
+		${uuid_config} \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		$(use_enable nls)
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY doc/{TODO,bug.template}
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		for m in {initdb,pg_{controldata,ctl,resetxlog},post{gres,master}}; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT/.}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	# Don't delete libpg{port,common}.a (Bug #571046). They're always
+	# needed by extensions utilizing PGXS.
+	use static-libs || \
+		find "${ED}" -name '*.a' ! -name libpgport.a ! -name libpgcommon.a \
+			 -delete
+
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		# Temporarily tack on tmp to workaround a file collision
+		# issue. This is only necessary for 9.7 and earlier. 10 never
+		# had this issue.
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}tmp"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		if use systemd; then
+			sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+				"${FILESDIR}/${PN}.service-9.6-r1" | \
+				systemd_newunit - ${PN}-${SLOT}.service
+			systemd_newtmpfilesd "${FILESDIR}"/${PN}.tmpfiles ${PN}-${SLOT}.conf
+		fi
+
+		newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 1775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_preinst() {
+	# Find all of the slot-specific symlinks, if any, in /usr/bin (e.g.,
+	# /usr/bin/psql96). They may have been created by the
+	# postgresql.eselect module, but they're handled within this ebuild
+	# now. It's alright if we momentarily delete /usr/bin/psql as it
+	# will be recreated by the eselect module in pkg_ppostinst(). This
+	# is only necessary for 9.7 and earlier. 10 and later were never
+	# handled in this manner.
+	local canonicalise
+	if type -p realpath > /dev/null; then
+		canonicalise=realpath
+	elif type -p readlink > /dev/null; then
+		canonicalise='readlink -f'
+	else
+		# can't die, subshell
+		die "No readlink nor realpath found, cannot canonicalise"
+	fi
+
+	local l
+	# First remove any symlinks in /usr/bin that may have been created
+	# by the old eselect
+	for l in $(find "${ROOT}/usr/bin" -mindepth 1 -maxdepth 1 -type l) ; do
+		if [[ $(${canonicalise} "${l}") == *postgresql-${SLOT}* ]] ; then
+			rm "${l}" || ewarn "Couldn't remove ${l}"
+		fi
+	done
+
+	# Then move the symlinks created by the ebuild to their proper place.
+	for l in "${ED}"/usr/bin/*tmp ; do
+		mv "${l}" "${l%tmp}" \
+			|| ewarn "Couldn't rename $(basename ${l}) to $(basename ${l%tmp})"
+	done
+}
+
+pkg_postinst() {
+	use server && use systemd && systemd_tmpfiles_create ${PN}-${SLOT}.conf
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "https://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    https://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "${DATA_DIR}"
+		chown -Rf postgres:postgres "${DATA_DIR}"
+		chmod 0700 "${DATA_DIR}"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	if ! use systemd; then
+		einfo "The PostgreSQL server, by default, will log events to:"
+		einfo "    ${DATA_DIR%/}/postmaster.log"
+		einfo
+	fi
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	elif use systemd; then
+		einfo "You should use the 'postgresql-${SLOT}.service' unit to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	else
+		einfo "You should use the '${EROOT}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}