nixos/stage-1: set zstd as the default compressor when supported

Co-authored-by: Atemu <atemu.main@gmail.com>
2020-12-16 12:37:09 +09:00 · 2020-12-16 12:37:09 +09:00 · a6b5693a71
parent 9461f0a734
commit a6b5693a71
1 changed files with 6 additions and 1 deletions
--- a/nixos/modules/system/boot/stage-1.nix
+++ b/nixos/modules/system/boot/stage-1.nix
@ -513,7 +513,12 @@ in
    };

    boot.initrd.compressor = mkOption {
-      default = "gzip";
+      default = (
+        if lib.versionAtLeast config.boot.kernelPackages.kernel.version "5.9"
+        then "zstd"
+        else "gzip"
+      );
+      defaultText = "zstd if the kernel supports it (5.9+), gzip if not.";
      type = types.unspecified; # We don't have a function type...
      description = ''
        The compressor to use on the initrd image. May be any of: