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{ lib, runCommand, fetchDepotFile }:
name: caches: ps:
with lib;
let
emitStep = { FileName, Flags, Chunks, ... }@file:
if bitAnd Flags 64 != 0 || Chunks == [] then ''
mkdir -p $out/'${FileName}'
'' else let drv = fetchDepotFile file; in ''
mkdir -p $out/'${drv.passthru.dirname}'
ln -s '${drv}' $out/'${FileName}'
'';
emitManifest = cache: with cache.passthru; let
json = "${cache}/.DepotDownloader/${toString depot}_${manifest}.json";
mkStep = file: emitStep (file // { inherit cache; });
in concatMapStrings mkStep (importJSON json).Files;
in runCommand name {} ''
${concatMapStringsSep "\n" emitManifest caches}
${ps}
''
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