48 lines
1.3 KiB
Nix
48 lines
1.3 KiB
Nix
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{
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callPackage,
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fetchtorrent,
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lib,
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stdenv,
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...
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}:
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let
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inherit (lib.attrsets) mapAttrs mapAttrsRecursiveCond;
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# Converts the inputs from the file into a fetchurl command
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zim =
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type: val:
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fetchtorrent {
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inherit (val) hash;
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url = "https://download.kiwix.org/zim/${type}/${val.name}.torrent";
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curlOptsList = [ "-L" ];
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};
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# Uses the function above to convert the JSON into a structure of fetchurl derivations
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zims = mapAttrs (_: types: (mapAttrs (type: hash: zim type hash) types)) (
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builtins.fromJSON (builtins.readFile ./zim/blobs.json)
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);
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# Turns the fetchurl derivations into a list of strings, copying the results into a final output
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copies = builtins.concatStringsSep "\n" (
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lib.attrsets.collect builtins.isString (
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mapAttrsRecursiveCond (as: !(lib.attrsets.isDerivation as)) # don't recurse derivations
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(_: v: "cp ${v} $out/") # copy derivation to destination
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zims
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)
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);
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in
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stdenv.mkDerivation {
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name = "zims";
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version = "2024-10";
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passthru = {
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inherit zims;
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updater = (callPackage ./zim/updater.nix { });
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};
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phases = [ "installPhase" ];
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# Collect all the zim files into a single folder derivation
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installPhase = ''
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mkdir -p $out
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echo "${copies}" > $out/derp.txt
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'';
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}
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