diff options
Diffstat (limited to 'nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix')
| -rw-r--r-- | nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix b/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix index cce7cc235ec..405fbfa10db 100644 --- a/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix +++ b/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix @@ -413,10 +413,18 @@ in default = false; description = '' Whether the ISO image should be compressed using - <command>bzip2</command>. + <command>zstd</command>. ''; }; + isoImage.squashfsCompression = mkOption { + default = "xz -Xdict-size 100%"; + description = '' + Compression settings to use for the squashfs nix store. + ''; + example = "zstd -Xcompression-level 6"; + }; + isoImage.edition = mkOption { default = ""; description = '' @@ -614,6 +622,7 @@ in # Create the squashfs image that contains the Nix store. system.build.squashfsStore = pkgs.callPackage ../../../lib/make-squashfs.nix { storeContents = config.isoImage.storeContents; + comp = config.isoImage.squashfsCompression; }; # Individual files to be included on the CD, outside of the Nix |