pyrox.dev
lol
make-squashfs: add support for pseudoFiles, custom name, and disabling strip
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-3
+10
-3
nixos/lib/make-squashfs.nix
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-3
nixos/lib/make-squashfs.nix
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{ lib, stdenv, squashfsTools, closureInfo
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, fileName ? "squashfs"
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, # The root directory of the squashfs filesystem is filled with the
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# closures of the Nix store paths listed here.
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storeContents ? []
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# Pseudo files to be added to squashfs image
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, pseudoFiles ? []
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, noStrip ? false
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, # Compression parameters.
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# For zstd compression you can use "zstd -Xcompression-level 6".
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comp ? "xz -Xdict-size 100%"
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}:
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let
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pseudoFilesArgs = lib.concatMapStrings (f: ''-p "${f}" '') pseudoFiles;
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in
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stdenv.mkDerivation {
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-
name = "squashfs.img";
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name = "${fileName}.img";
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__structuredAttrs = true;
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nativeBuildInputs = [ squashfsTools ];
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'' + ''
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# Generate the squashfs image.
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mksquashfs nix-path-registration $(cat $closureInfo/store-paths) $out \
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-no-hardlinks -keep-as-directory -all-root -b 1048576 -comp ${comp} \
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mksquashfs nix-path-registration $(cat $closureInfo/store-paths) $out ${pseudoFilesArgs} \
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-no-hardlinks ${lib.optionalString noStrip "-no-strip"} -keep-as-directory -all-root -b 1048576 -comp ${comp} \
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-processors $NIX_BUILD_CORES
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'';
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}