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nixfiles/modules/nixfiles/default.nix

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Nix

{ config, pkgs, lib, ...}:
with lib;
let
nixfiles-generate-config = pkgs.writeScriptBin "nixfiles-generate-config" ''
#!${pkgs.bash}/bin/bash
set -euo pipefail
hostname=$(hostname --short)
root=""
ngcroot=""
while [[ $# -gt 0 ]]; do
case $1 in
--root)
root=$2
ngcroot="--root ''${root}"
shift
shift
;;
--hostname)
hostname=$2
shift
shift
;;
*)
echo "unknown option: $1"
exit 1
;;
esac
done
mkdir -p ''${root}/etc/nixos
if [[ ! -d "''${root}/etc/nixos/.git" ]]; then
${pkgs.git}/bin/git clone https://git.clerie.de/clerie/nixfiles.git ''${root}/etc/nixos
${pkgs.git}/bin/git -C ''${root}/etc/nixos remote set-url origin gitea@git.clerie.de:clerie/nixfiles.git
fi
mkdir -p ''${root}/etc/nixos/hosts/''${hostname}
nixos-generate-config ''${ngcroot} --dir ''${root}/etc/nixos/hosts/''${hostname}
# make sure host is added to flake.nix
if ! grep -q "''${hostname} = generateNixosSystem \"''${hostname}\";" ''${root}/etc/nixos/flake.nix; then
sed -i "s/\(\s*\)_iso = generateNixosSystem \"_iso\";/\1''${hostname} = generateNixosSystem \"''${hostname}\";\n&/g" ''${root}/etc/nixos/flake.nix
fi
sed -i "s/\%HOSTNAME\%/''${hostname}/g" ''${root}/etc/nixos/hosts/''${hostname}/configuration.nix
git -C ''${root}/etc/nixos add ''${root}/etc/nixos/hosts/''${hostname}
'';
in {
options.clerie.nixfiles.enable = mkEnableOption "clerie nixfiles tools";
config = mkIf config.clerie.nixfiles.enable {
system.nixos-generate-config.configuration = ''
{ config, pkgs, lib, ... }:
{
imports =
[
./hardware-configuration.nix
];
$bootLoaderConfig
networking.hostName = "%HOSTNAME%";
clerie.monitoring = {
# enable = true;
id = "%MONITORING_ID%";
pubkey = "%MONITORING_PUBKEY%";
};
system.stateVersion = "${config.system.nixos.release}";
}
'';
environment.systemPackages = [
nixfiles-generate-config
nixfiles-install
nixfiles-rebuild
];
};
}