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make-squashfs: add support for pseudoFiles, custom name, and disabling strip

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Adam Stephens 2023-10-12 10:51:41 -04:00
parent d4e6bfe297
commit a91bd0b468
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1 changed files with 10 additions and 3 deletions
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13
nixos/lib/make-squashfs.nix
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@ -1,15 +1,22 @@
{ lib, stdenv, squashfsTools, closureInfo { lib, stdenv, squashfsTools, closureInfo
, fileName ? "squashfs"
, # The root directory of the squashfs filesystem is filled with the , # The root directory of the squashfs filesystem is filled with the
# closures of the Nix store paths listed here. # closures of the Nix store paths listed here.
storeContents ? [] storeContents ? []
# Pseudo files to be added to squashfs image
, pseudoFiles ? []
, noStrip ? false
, # Compression parameters. , # Compression parameters.
# For zstd compression you can use "zstd -Xcompression-level 6". # For zstd compression you can use "zstd -Xcompression-level 6".
comp ? "xz -Xdict-size 100%" comp ? "xz -Xdict-size 100%"
}: }:
let
pseudoFilesArgs = lib.concatMapStrings (f: ''-p "${f}" '') pseudoFiles;
in
stdenv.mkDerivation { stdenv.mkDerivation {
name = "squashfs.img"; name = "${fileName}.img";
__structuredAttrs = true; __structuredAttrs = true;
nativeBuildInputs = [ squashfsTools ]; nativeBuildInputs = [ squashfsTools ];
@ -31,8 +38,8 @@ stdenv.mkDerivation {
'' + '' '' + ''
# Generate the squashfs image. # Generate the squashfs image.
mksquashfs nix-path-registration $(cat $closureInfo/store-paths) $out \ mksquashfs nix-path-registration $(cat $closureInfo/store-paths) $out ${pseudoFilesArgs} \
-no-hardlinks -keep-as-directory -all-root -b 1048576 -comp ${comp} \ -no-hardlinks ${lib.optionalString noStrip "-no-strip"} -keep-as-directory -all-root -b 1048576 -comp ${comp} \
-processors $NIX_BUILD_CORES -processors $NIX_BUILD_CORES
''; '';
} }