sys-apps/guix: add guixbuild* users to kvm group

Commands like
    $ guix system vm vm.scm
assume qemu supports '-enable-kvm' flag. Let's add
guixbuild* users to kvm group by default.

Reported-by: Nathan Dehnel
Closes: https://bugs.gentoo.org/699642
Package-Manager: Portage-2.3.79, Repoman-2.3.18
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

diff --git a/sys-apps/guix/guix-1.0.1-r1.ebuild b/sys-apps/guix/guix-1.0.1-r1.ebuild
new file mode 100644 (file)
index 0000000..0ab6186
--- /dev/null
+++ b/sys-apps/guix/guix-1.0.1-r1.ebuild
@@ -0,0 +1,166 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools linux-info readme.gentoo-r1 systemd user
+
+DESCRIPTION="GNU package manager (nix sibling)"
+HOMEPAGE="https://www.gnu.org/software/guix/"
+
+# taken from gnu/local.mk and gnu/packages/bootstrap.scm
+BOOT_GUILE=(
+       "aarch64-linux  20170217 guile-2.0.14.tar.xz"
+       "armhf-linux    20150101 guile-2.0.11.tar.xz"
+       "i686-linux     20131110 guile-2.0.9.tar.xz"
+       "mips64el-linux 20131110 guile-2.0.9.tar.xz"
+       "x86_64-linux   20131110 guile-2.0.9.tar.xz"
+)
+
+binary_src_uris() {
+       local system_date_guilep uri
+       for system_date_guilep in "${BOOT_GUILE[@]}"; do
+               # $1              $2       $3
+               # "armhf-linux    20150101 guile-2.0.11.tar.xz"
+               set -- ${system_date_guilep}
+               uri="mirror://gnu-alpha/${PN}/bootstrap/$1/$2/$3"
+               # ${uri} -> guix-bootstrap-armhf-linux-20150101-guile-2.0.11.tar.xz.bootstrap
+               echo "${uri} -> guix-bootstrap-$1-$2-$3.bootstrap"
+       done
+}
+
+# copy bootstrap binaries from DISTDIR to ${S}
+copy_boot_guile_binaries() {
+       local system_date_guilep
+       for system_date_guilep in "${BOOT_GUILE[@]}"; do
+               # $1              $2       $3
+               # "armhf-linux    20150101 guile-2.0.11.tar.xz"
+               set -- ${system_date_guilep}
+               cp "${DISTDIR}"/guix-bootstrap-$1-$2-$3.bootstrap gnu/packages/bootstrap/$1/$3 || die
+       done
+}
+
+SRC_URI="mirror://gnu/${PN}/${P}.tar.gz
+       $(binary_src_uris)"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+RESTRICT=test # complains about size of config.log and refuses to start tests
+
+RDEPEND="
+       dev-libs/libgcrypt:0=
+       >=dev-scheme/guile-2.2:=[regex,networking,threads]
+       dev-scheme/bytestructures
+       dev-scheme/guile-gcrypt
+       >=dev-scheme/guile-git-0.2.0
+       dev-scheme/guile-json
+       dev-scheme/guile-sqlite3
+       net-libs/gnutls[guile]
+       sys-libs/zlib
+       app-arch/bzip2
+       dev-db/sqlite
+"
+
+DEPEND="${RDEPEND}
+"
+
+PATCHES=("${FILESDIR}"/${PN}-0.16.0-default-daemon.patch)
+
+QA_PREBUILT="usr/share/guile/site/*/gnu/packages/bootstrap/*"
+
+DISABLE_AUTOFORMATTING=yes
+DOC_CONTENTS="Quick start user guide on Gentoo:
+
+[as root] allow binary substitution to be downloaded (optional)
+       # guix archive --authorize < /usr/share/guix/ci.guix.info.pub
+[as root] enable guix-daemon service:
+       [systemd] # systemctl enable guix-daemon
+       [openrc]  # rc-update add guix-daemon
+[as a user] ln -sf /var/guix/profiles/per-user/\$USER/guix-profile \$HOME/.guix-profile
+[as a user] install guix packages:
+       \$ guix package -i hello
+[as a user] configure environment:
+       Somewhere in .bash_profile you might want to set
+       export GUIX_LOCPATH=\$HOME/.guix-profile/lib/locale
+
+Next steps:
+       guix package manager user manual: https://www.gnu.org/software/guix/manual/guix.html
+"
+
+pkg_pretend() {
+       # USER_NS is used to run builders in a default setting in linux
+       # and for 'guix environment --container'.
+       local CONFIG_CHECK="~USER_NS"
+       check_extra_config
+}
+
+pkg_setup() {
+       enewgroup guixbuild
+       for i in {1..10}; do
+               # we list 'guixbuild' twice to
+               # both assign a primary group for user
+               # and add a user to /etc/group
+               # 'kvm' is used to make 'guix system vm <system.scm>'
+               # work by default: bug #699642
+               enewuser guixbuilder${i} -1 -1 /var/empty guixbuild,guixbuild,kvm
+       done
+}
+
+src_prepare() {
+       copy_boot_guile_binaries
+
+       default
+       # build system is very eager to run automake itself: bug #625166
+       eautoreconf
+
+       # guile is trying to avoid recompilation by checking if file
+       #     /usr/lib64/guile/2.2/site-ccache/guix/modules.go
+       # is newer than
+       #     guix/modules.scm
+       # In case it is instead of using 'guix/modules.scm' guile
+       # loads system one (from potentially older version of guix).
+       # To work it around we bump last modification timestamp of
+       # '*.scm' files.
+       # http://debbugs.gnu.org/cgi/bugreport.cgi?bug=38112
+       find "${S}" -name "*.scm" -exec touch {} + || die
+
+       # Gentoo stores systemd unit files in lib, never in lib64: bug #689772
+       sed -i nix/local.mk \
+               -e 's|systemdservicedir = $(libdir)/systemd/system|systemdservicedir = '"$(systemd_get_systemunitdir)"'|' || die
+}
+
+src_configure() {
+       # to be compatible with guix from /gnu/store
+       econf \
+               --localstatedir="${EPREFIX}"/var
+}
+
+src_compile() {
+       # guile occasionally fails with 'bad address'
+       emake -j1
+}
+
+src_install() {
+       # TODO: emacs highlighter
+       default
+
+       readme.gentoo_create_doc
+
+       keepdir                /etc/guix
+       # TODO: will need a tweak for prefix
+       keepdir                /gnu/store
+       fowners root:guixbuild /gnu/store
+       fperms 1775            /gnu/store
+
+       keepdir                /var/guix/profiles/per-user
+       fperms 1777            /var/guix/profiles/per-user
+
+       newinitd "${FILESDIR}"/guix-daemon.initd guix-daemon
+}
+
+pkg_postinst() {
+       readme.gentoo_print_elog
+}