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nixos-config/overlays/update-system.nix
2023-05-22 03:06:49 +02:00

108 lines
3.6 KiB
Nix

final: _:
let
inherit (final) pkgs lib;
homeDir = "/home/maralorn";
modeFile = "${homeDir}/.mode";
modeDir = "${homeDir}/.volatile/modes";
configPath = "${homeDir}/git/config";
configGit = "${lib.getExe pkgs.git} -C ${configPath}";
get_mode = ''
mode <- decodeUtf8 @Text <$> (cat "${modeFile}" |> captureTrim)
'';
get_hostname = ''
hostname <- BSC.strip <$> readFileBS "/etc/hostname"
'';
get_builders = ''
builders <- builders_configurator |> captureTrim
'';
mode-scripts = {
maintenance = pkgs.writeShellScriptBin "maintenance" ''
set -e
${configGit} pull --ff-only
echo "Running update-modes "
${lib.getExe pkgs.updateModes}
echo "Updating system "
${lib.getExe pkgs.updateSystem}
echo "Maintenance finished."
'';
activateMode = pkgs.writeHaskellScript { name = "activate-mode"; } ''
wallpaperCmd = "random-wallpaper"
main = do
${get_mode}
say [i|Switching to mode #{mode}...|]
exe ([i|${modeDir}/#{mode}/activate|] :: String)
whenM (elem wallpaperCmd <$> pathBins) $ exe wallpaperCmd
'';
selectMode = pkgs.writeHaskellScript {
name = "select-mode";
bins = [ pkgs.activateMode pkgs.psmisc ];
imports = [ "System.Directory qualified as Directory" ];
} ''
main = do
[mode] <- getArgs
writeFile "${modeFile}" mode
activate_mode
ignoreFailure $ killall ["GeckoMain", "firefox", ".firefox-wrapped",".electron-wrapped","signal-desktop"]
'';
updateModes = pkgs.writeHaskellScript {
name = "update-modes";
bins = [
pkgs.activateMode
pkgs.git
pkgs.nix-output-monitor
pkgs.builders-configurator
];
} ''
main = do
${get_hostname}
${get_builders}
say [i|Building modes for #{hostname} |]
nom ["build", "--builders", [i|@#{builders}|], [i|${configPath}\#homeModes.#{hostname}|], "-o", "${modeDir}"]
activate_mode
'';
quickUpdateMode = pkgs.writeHaskellScript {
name = "quick-update-mode";
bins = [
pkgs.updateModes
pkgs.git
pkgs.home-manager
pkgs.nix-output-monitor
pkgs.builders-configurator
];
} ''
main = do
${get_hostname}
${get_mode}
${get_builders}
say [i|Quick switching to mode #{mode} ...|]
path <- decodeUtf8 @Text <$> (nom ["build", "--builders", [i|@#{builders}|], "--print-out-paths", "--no-link", [i|${configPath}\#homeConfigurations.#{hostname}-#{mode}.activationPackage|]] |> captureTrim)
exe ([i|#{path}/activate|] :: String)
update_modes
'';
updateSystem = pkgs.writeShellScriptBin "update-system" ''
set -e
remote_host=$1
host=''${remote_host:-$(hostname)}
echo "Building configuration for $host "
output=$(nom build --builders @$(builders-configurator) $HOME/git/config#nixosConfigurations.$host.config.system.build.toplevel --no-link --print-out-paths)
if [[ -z "$remote_host" ]]; then
on_target() {
/run/wrappers/bin/sudo -A $@
}
else
on_target() {
${pkgs.lib.getExe pkgs.openssh} root@$host $@
}
echo "Uploading derivation to $host "
${final.lib.getExe pkgs.nix} copy --derivation $output --to ssh://$host
echo "Uploading configuration to $host "
${final.lib.getExe pkgs.nix} copy $output --to ssh://$host
fi
on_target ${pkgs.nix}/bin/nix-env -p /nix/var/nix/profiles/system --set $output
on_target $output/bin/switch-to-configuration switch
'';
};
in mode-scripts // { inherit mode-scripts; }