59 lines
1.7 KiB
Nix
59 lines
1.7 KiB
Nix
{
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callPackage,
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fetchtorrent,
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lib,
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stdenvNoCC,
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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 fetchtorrent command
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zim =
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type: val:
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stdenvNoCC.mkDerivation (finalAttrs: {
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inherit (val) name;
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src = (
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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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backend = "transmission";
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postUnpack = "mkdir -p $downloadedDirectory/tmp; mv $downloadedDirectory/*.zim $downloadedDirectory/tmp";
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}
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);
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phases = [ "installPhase" ];
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installPhase = ''
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set -x
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ls -lR ${finalAttrs.src}
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ln -s ${finalAttrs.src}/${finalAttrs.name} $out
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'';
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});
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rawZims = builtins.fromJSON (builtins.readFile ./zim/blobs.json);
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# Uses the function above to convert the JSON into a structure of fetchtorrent derivations
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zims = mapAttrs (_: types: (mapAttrs (type: info: zim type info) types)) (rawZims);
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# Turns the fetchtorrent 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: "ln -s ${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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stdenvNoCC.mkDerivation {
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name = "zims";
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version = "2025-10";
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passthru = {
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inherit zims rawZims;
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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 $out
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${copies}
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'';
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}
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