Commit a4a18f7b authored by Jörg Thalheim's avatar Jörg Thalheim
Browse files

nixos/systemd-boot: avoid expensive mypy builds on configuration changes 

* Mypy dependencies pull in quite a few packages, which makes it harder to create offline installers.
parent 71b4a603

nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix

+14 −12
Original line number Diff line number Diff line
@@ -7,8 +7,20 @@ let 


  efi = config.boot.loader.efi;



  # We check the source code in a derivation that does not depend on the

  # system configuration so that most users don't have to redo the check and require

  # the necessary dependencies.

  checkedSource = pkgs.runCommand "systemd-boot" { } ''

    install -m755 -D ${./systemd-boot-builder.py} $out

    ${lib.getExe pkgs.buildPackages.mypy} \

      --no-implicit-optional \

      --disallow-untyped-calls \

      --disallow-untyped-defs \

      $out

  '';



  systemdBootBuilder = pkgs.substituteAll rec {

    src = ./systemd-boot-builder.py;

    src = checkedSource;



    isExecutable = true;
@@ -66,19 +78,9 @@ let 
    '';

  };



  checkedSystemdBootBuilder = pkgs.runCommand "systemd-boot" { } ''

    mkdir -p $out/bin

    install -m755 ${systemdBootBuilder} $out/bin/systemd-boot-builder

    ${lib.getExe pkgs.buildPackages.mypy} \

      --no-implicit-optional \

      --disallow-untyped-calls \

      --disallow-untyped-defs \

      $out/bin/systemd-boot-builder

  '';



  finalSystemdBootBuilder = pkgs.writeScript "install-systemd-boot.sh" ''

    #!${pkgs.runtimeShell}

    ${checkedSystemdBootBuilder}/bin/systemd-boot-builder "$@"

    ${systemdBootBuilder} "$@"

    ${cfg.extraInstallCommands}

  '';

in {