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# ATTN: this is a WIP service, use at your own risk!
{ config, lib, pkgs, ... }:
# https://www.gnu.org/software/guix/manual/en/html_node/Binary-Installation.html
let
guixBinaryTar = pkgs.fetchurl {
url = "https://alpha.gnu.org/gnu/guix/guix-binary-0.16.0.x86_64-linux.tar.xz";
sha256 = "049l0zim30cd0gyly2h3jaw4cshdk78h7xdb9ac173h72i13afbj";
};
#*/
guixInstallScriptIdempotent = pkgs.writeScript "guix-install.sh" ''
#!/bin/sh
set -euo pipefail
# extract guix
if ! test -e /gnu; then
echo "INFO: installing guix"
tmp=$(mktemp -d)
pushd $tmp >/dev/null
export PATH=${pkgs.xz}/bin:$PATH
${pkgs.gnutar}/bin/tar xf ${guixBinaryTar}
mkdir -p /var
cp -r ./var/guix /var
cp -r ./gnu /
popd >/dev/null
# XXX
# change the mtime of all compiled guile files,
# because tar in this script somehow changes the mtime
# of extracted files to the current time, and nobody knows
# why. If the sources are newer than the .go files, guile
# will try to recompile everything.
find /gnu/store/ -ipath "*guile*ccache*/*.go" | xargs touch -m
fi
# install root user profile
if ! test -e /root/.config/guix/current; then
mkdir -p /root/.config/guix
ln -s /var/guix/profiles/per-user/root/current-guix \
/root/.config/guix/current
fi
echo INFO: finished installing guix!
'';
guixBuildGroup = "guixbuilders";
guixBuildUser = id: {
name = "guix-build-user-${toString id}";
createHome = false;
description = "Guix build user ${toString id}";
extraGroups = [ guixBuildGroup ];
isSystemUser = true;
};
guixBuildUsers = numberOfUsers:
builtins.listToAttrs
(map (user: {
name = user.name;
value = user;
}) (builtins.genList guixBuildUser numberOfUsers));
in
{
options = {
vuizvui.services.guix.enable =
lib.mkEnableOption "the guix daemon and init /gnu/store";
};
config = lib.mkIf config.vuizvui.services.guix.enable {
users.users = guixBuildUsers 10;
users.groups = { "${guixBuildGroup}" = {}; };
systemd.services.guix-install = {
serviceConfig = {
ExecStart = guixInstallScriptIdempotent;
Type = "oneshot";
};
};
systemd.services.guix-daemon = {
serviceConfig = {
ExecStart = "/var/guix/profiles/per-user/root/current-guix/bin/guix-daemon --build-users-group=${guixBuildGroup}";
Environment = "GUIX_LOCPATH=/var/guix/profiles/per-user/root/guix-profix/lib/locale";
RemainAfterExit = true;
StandardOutput = "syslog";
StandardError = "syslog";
TasksMax = 8192;
};
wantedBy = [ "multi-user.target" ];
after = [ "guix-install.service" ];
wants = [ "guix-install.service" ];
};
environment.shellInit = ''
export GUIX_PROFILE="$HOME/.config/guix/current"
source $GUIX_PROFILE/etc/profile
export GUIX_LOCPATH="${pkgs.glibcLocales}/lib/locale"
export INFOPATH="$GUIX_PROFILE/share/info:$INFOPATH"
guix archive --authorize < \
/root/.config/guix/current/share/guix/ci.guix.info.pub
'';
};
}
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