1dd3162d7c
What I want with this derivation is to allow the sheevaplug nixos to build a tarball with all the needed files to boot. Then, this can be unpacked into an SD card, or into a NFS/TFTP server, and then the user can boot the system with help of the uboot console. By now, I have only tried to build the tarball in a PC, in order to develop the nix expressions quicker. There is nothing written specialy for the Sheevaplug in all this, by now. svn path=/nixos/trunk/; revision=20035
38 lines
1.2 KiB
Nix
38 lines
1.2 KiB
Nix
{ stdenv, perl, xz, pathsFromGraph
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, # The file name of the resulting tarball
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fileName ? "nixos-built.tar.bz2"
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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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}:
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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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buildInputs = [perl xz];
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inherit fileName pathsFromGraph;
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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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objects = map (x: x.object) storeContents;
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symlinks = map (x: x.symlink) storeContents;
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# For obtaining the closure of `storeContents'.
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exportReferencesGraph =
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map (x: [("closure-" + baseNameOf x.object) x.object]) storeContents;
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}
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