pyrox.dev
1{ stdenv, closureInfo, pixz
2
3, # The file name of the resulting tarball
4 fileName ? "nixos-system-${stdenv.hostPlatform.system}"
5
6, # The files and directories to be placed in the tarball.
7 # This is a list of attribute sets {source, target} where `source'
8 # is the file system object (regular file or directory) to be
9 # grafted in the file system at path `target'.
10 contents
11
12, # In addition to `contents', the closure of the store paths listed
13 # in `packages' are also placed in the Nix store of the tarball. This is
14 # a list of attribute sets {object, symlink} where `object' if a
15 # store path whose closure will be copied, and `symlink' is a
16 # symlink to `object' that will be added to the tarball.
17 storeContents ? []
18
19 # Extra commands to be executed before archiving files
20, extraCommands ? ""
21
22 # Extra tar arguments
23, extraArgs ? ""
24 # Command used for compression
25, compressCommand ? "pixz"
26 # Extension for the compressed tarball
27, compressionExtension ? ".xz"
28 # extra inputs, like the compressor to use
29, extraInputs ? [ pixz ]
30}:
31
32let
33 symlinks = map (x: x.symlink) storeContents;
34 objects = map (x: x.object) storeContents;
35in
36
37stdenv.mkDerivation {
38 name = "tarball";
39 builder = ./make-system-tarball.sh;
40 nativeBuildInputs = extraInputs;
41
42 inherit fileName extraArgs extraCommands compressCommand;
43
44 # !!! should use XML.
45 sources = map (x: x.source) contents;
46 targets = map (x: x.target) contents;
47
48 # !!! should use XML.
49 inherit symlinks objects;
50
51 closureInfo = closureInfo {
52 rootPaths = objects;
53 };
54
55 extension = compressionExtension;
56}