27 lines
852 B
Nix
27 lines
852 B
Nix
{ lib, fetchurl }:
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with builtins;
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{ project, id, filename, ... }@args:
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let
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# I think this is supposed to be some weak automation
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# protection. This split "id" is simply part of the download URL.
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#
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# Note that if it's zero-prefixed we need to remove the zeroes. It's
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# really an odd one...
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a = head (match "0*([[:digit:]]+)" (substring 0 4 (toString id)));
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b = head (match "0*([[:digit:]]+)" (substring 4 7 (toString id)));
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encoded-filename = replaceStrings [ " " ] [ "%20" ] filename;
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url = "https://media.forgecdn.net/files/${a}/${b}/${encoded-filename}";
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otherArgs = removeAttrs args [ "project" "project_id" "id" "filename" ];
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in fetchurl (otherArgs // {
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inherit url;
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# Rename files to avoid names incompatible with the nix store
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name = "${project}.jar";
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# Avoid accidental URL globbing
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curlOpts = "--globoff";
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})
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