Merge pull request #108932 from Atemu/iso-image-compress-filter

iso-image: enable XZ compress filter
2021-01-15 11:32:21 -05:00
parent 1497071f23 2fcab516c4
commit bb96017198
1 changed files with 6 additions and 1 deletions
--- a/nixos/modules/installer/cd-dvd/iso-image.nix
+++ b/nixos/modules/installer/cd-dvd/iso-image.nix
@@ -425,7 +425,12 @@ in
    };

    isoImage.squashfsCompression = mkOption {
-      default = "xz -Xdict-size 100%";
+      default = with pkgs.stdenv.targetPlatform; "xz -Xdict-size 100% "
+                + lib.optionalString (isx86_32 || isx86_64) "-Xbcj x86"
+                # Untested but should also reduce size for these platforms
+                + lib.optionalString (isAarch32 || isAarch64) "-Xbcj arm"
+                + lib.optionalString (isPowerPC) "-Xbcj powerpc"
+                + lib.optionalString (isSparc) "-Xbcj sparc";
      description = ''
        Compression settings to use for the squashfs nix store.
      '';