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Merge pull request #230680 from alyssais/netboot-squashfs

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nixos/netboot: add squashfsCompression option
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Atemu 2023-05-09 18:13:27 +02:00 committed by GitHub
commit 9c946bce87
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2 changed files with 16 additions and 0 deletions
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1
nixos/modules/installer/cd-dvd/iso-image.nix
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@ -483,6 +483,7 @@ in
Compression settings to use for the squashfs nix store.
'';
example = "zstd -Xcompression-level 6";
type = types.str;
};
isoImage.edition = mkOption {

15
nixos/modules/installer/netboot/netboot.nix
View File

@ -8,6 +8,20 @@ with lib;
{
options = {
netboot.squashfsCompression = mkOption {
default = with pkgs.stdenv.hostPlatform; "xz -Xdict-size 100% "
+ lib.optionalString isx86 "-Xbcj x86"
# Untested but should also reduce size for these platforms
+ lib.optionalString isAarch "-Xbcj arm"
+ lib.optionalString (isPower && is32bit && isBigEndian) "-Xbcj powerpc"
+ lib.optionalString (isSparc) "-Xbcj sparc";
description = lib.mdDoc ''
Compression settings to use for the squashfs nix store.
'';
example = "zstd -Xcompression-level 6";
type = types.str;
};
netboot.storeContents = mkOption {
example = literalExpression "[ pkgs.stdenv ]";
description = lib.mdDoc ''
@ -77,6 +91,7 @@ with lib;
# Create the squashfs image that contains the Nix store.
system.build.squashfsStore = pkgs.callPackage ../../../lib/make-squashfs.nix {
storeContents = config.netboot.storeContents;
comp = config.netboot.squashfsCompression;
};