sys-apps/gentoo-functions: Sync with Gentoo

It's from Gentoo commit 40744ded064a3a7d69422bc2842b627f8f76a85b.

sdk_container/src/third_party/portage-stable/sys-apps/gentoo-functions/Manifest

@@ -1 +1,2 @@
 DIST gentoo-functions-0.19.tar.bz2 12079 BLAKE2B be0a3a54d4dee1755866047b670a69cd6fec368239123c3f0c08180b79a33c20147bca0e35e568faef6877513551e731bdf0c181aeb0460f6574d2d708219373 SHA512 2674d3fe5724cc6d685ae58bf0ee33f4a1bdba2c5e5809cfb193fd0a710d4678c2d9392c2c62d2321cf455f524950266dc1629ab684fe46632d179e539d5a39e
+DIST gentoo-functions-1.0.tar.bz2 18066 BLAKE2B a843de65d5d8f93396713dd5c80377dad478482d5749736ec3a08e0d0cc40f1a2ce5c967282b8060452d73f6377590f06e5c2a12cdfc753e7f6a18754cde4997 SHA512 057a7159a613108710a40f2ca54403adf64ab9649732be49d3a72314e2ca3c65d7a9093168e26ec12814203e1fe14cc1fc5cf2cefa2f923ec8bb714972d20f55

sdk_container/src/third_party/portage-stable/sys-apps/gentoo-functions/gentoo-functions-1.0.ebuild

@@ -0,0 +1,36 @@
+# Copyright 2014-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+if [[ ${PV} == 9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/gentoo-functions.git"
+else
+	SRC_URI="https://gitweb.gentoo.org/proj/gentoo-functions.git/snapshot/${P}.tar.bz2"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+fi
+
+inherit meson
+
+DESCRIPTION="Base functions required by all Gentoo systems"
+HOMEPAGE="https://gitweb.gentoo.org/proj/gentoo-functions.git"
+
+LICENSE="GPL-2 public-domain"
+SLOT="0"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+# Specifically needs GNU find, as well.
+RDEPEND=">=sys-apps/findutils-4.9"
+
+src_configure() {
+	local emesonargs=(
+		# Deliberately avoid /usr as consumers assume we're at /lib/gentoo.
+		--prefix="${EPREFIX:-/}"
+		--mandir="${EPREFIX}/usr/share/man"
+		$(meson_use test tests)
+	)
+
+	meson_src_configure
+}