The tools used to create iso9660 images and tarballs are independent of the platform of the closure contained within.
		
			
				
	
	
		
			57 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ stdenv, closureInfo, pixz
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, # The file name of the resulting tarball
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  fileName ? "nixos-system-${stdenv.hostPlatform.system}"
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, # The files and directories to be placed in the tarball.
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  # This is a list of attribute sets {source, target} where `source'
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  # is the file system object (regular file or directory) to be
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  # grafted in the file system at path `target'.
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  contents
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, # In addition to `contents', the closure of the store paths listed
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  # in `packages' are also placed in the Nix store of the tarball.  This is
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  # a list of attribute sets {object, symlink} where `object' if a
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  # store path whose closure will be copied, and `symlink' is a
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  # symlink to `object' that will be added to the tarball.
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  storeContents ? []
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  # Extra commands to be executed before archiving files
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, extraCommands ? ""
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  # Extra tar arguments
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, extraArgs ? ""
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  # Command used for compression
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, compressCommand ? "pixz"
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  # Extension for the compressed tarball
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, compressionExtension ? ".xz"
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  # extra inputs, like the compressor to use
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, extraInputs ? [ pixz ]
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}:
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let
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  symlinks = map (x: x.symlink) storeContents;
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  objects = map (x: x.object) storeContents;
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in
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stdenv.mkDerivation {
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  name = "tarball";
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  builder = ./make-system-tarball.sh;
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  nativeBuildInputs = extraInputs;
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  inherit fileName extraArgs extraCommands compressCommand;
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  # !!! should use XML.
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  sources = map (x: x.source) contents;
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  targets = map (x: x.target) contents;
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  # !!! should use XML.
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  inherit symlinks objects;
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  closureInfo = closureInfo {
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    rootPaths = objects;
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  };
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  extension = compressionExtension;
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}
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