app-crypt/archlinux-keyring: Bump to 20210616 and EAPI="8"

Upstream also changed their HOMEPAGE and their SRC_URI - gnupg
signatures are still valid ;-)

Package-Manager: Portage-3.0.20, Repoman-3.0.3
Signed-off-by: Nils Freydank <holgersson@posteo.de>

app-crypt/archlinux-keyring/Manifest

@@ -1 +1,2 @@
 DIST archlinux-keyring-20210110.tar.gz 992575 BLAKE2B 3c59c34dd10426ba39d15ec1920e25b830351ec910d26081a7af2500e12891c0ceb40372d6b327d8d848677364afe16f26e3cbf8bc002bdd7db123fc0a2b0106 SHA512 c9ea4ab07457dd90e098fb84822e34a09cd60cf68cc41089a8fd1ecff2c2b832ef63e0707d9ddbb49e934264931bbe438a7348de6769af33a5309af5b9b76ba3
+DIST archlinux-keyring-20210616.tar.gz 1004639 BLAKE2B 7211b56b9ea714ae5ad56e5eaa1804abfc94edd629fbb9e74ac885547b9de3fc975d792576a15f583c266b318b617733d97be7a4b0ea4e844651547115e08225 SHA512 0f314136232183cc00cda53f9987148b8d40643bfd686643bd2085a20c405754ebc4f2912866b576937e8759358df4f571885137aa9548bbbdb82adb70eb6268

app-crypt/archlinux-keyring/archlinux-keyring-20210616.ebuild

@@ -0,0 +1,34 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="GnuPG keyring of Archlinux developer keys"
+HOMEPAGE="https://gitlab.archlinux.org/archlinux/archlinux-keyring"
+SRC_URI="https://sources.archlinux.org/other/${PN}/${P}.tar.gz"
+LICENSE="GPL-2" # "GPL" for the Arch linux package
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+src_prepare() {
+	# bluntly remove the makefile.
+	rm -f Makefile || die "Couldn't remove Makefile"
+
+	default
+}
+
+src_install() {
+	# Take the directory of sys-apps/pacman to have a sane default of
+	# upstream respectivly Archlinux.
+	insinto /usr/share/pacman/keyrings/
+	doins archlinux{.gpg,-trusted,-revoked}
+}
+
+pkg_postinst() {
+	einfo ""
+	einfo "This package only installs the keyring files while sys-apps/pacman"
+	einfo "initializes these keyrings to actually use it. This is a different"
+	einfo "behaviour from Archlinux, but is necessary to avoid circular deps."
+	einfo ""
+}