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nixos/iso-image: make squashfs compression easily configurable

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This commit is contained in:
Dominik Xaver Hörl 2020-08-04 15:22:40 +02:00
parent 00501bd134
commit 7f5000c784
1 changed files with 9 additions and 0 deletions
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9
nixos/modules/installer/cd-dvd/iso-image.nix
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@ -417,6 +417,14 @@ in
'';
};
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