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{
stdenv,
closureInfo,
pixz,
# The file name of the resulting tarball
fileName ? "nixos-system-${stdenv.hostPlatform.system}",
# The files and directories to be placed in the tarball.
# This is a list of attribute sets {source, target} where `source'
# is the file system object (regular file or directory) to be
# grafted in the file system at path `target'.
contents,
# In addition to `contents', the closure of the store paths listed
# in `packages' are also placed in the Nix store of the tarball. This is
# a list of attribute sets {object, symlink} where `object' if a
# store path whose closure will be copied, and `symlink' is a
# symlink to `object' that will be added to the tarball.
storeContents ? [ ],
# Extra commands to be executed before archiving files
extraCommands ? "",
# Extra tar arguments
extraArgs ? "",
# Command used for compression
compressCommand ? "pixz -t",
# Extension for the compressed tarball
compressionExtension ? ".xz",
# extra inputs, like the compressor to use
extraInputs ? [ pixz ],
}:
let
symlinks = map (x: x.symlink) storeContents;
objects = map (x: x.object) storeContents;
in
stdenv.mkDerivation {
name = "tarball";
__structuredAttrs = true;
# the tarball will be self-contained so we can drop references
# to the closure that was used to build it
unsafeDiscardReferences.out = true;
buildCommandPath = ./make-system-tarball.sh;
nativeBuildInputs = extraInputs;
inherit
fileName
extraArgs
extraCommands
compressCommand
;
sources = map (x: x.source) contents;
targets = map (x: x.target) contents;
inherit symlinks objects;
closureInfo = closureInfo {
rootPaths = objects;
};
extension = compressionExtension;
}
|
