61 lines
1.5 KiB
Nix
61 lines
1.5 KiB
Nix
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{ lib
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, stdenv
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, makeWrapper
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, symlinkJoin
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, runCommand
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, retroarch
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, cores ? [ ]
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, settings ? { }
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}:
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let
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settings' = { libretro_directory = coresPath; } // settings;
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settingsPath = runCommand "declarative-retroarch.cfg"
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{
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value = lib.concatStringsSep "\n" (lib.mapAttrsToList (n: v: "${n} = \"${v}\"") settings);
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passAsFile = [ "value" ];
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}
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''
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cp "$valuePath" "$out"
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'';
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coresPath = let
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path = assert
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lib.assertMsg (builtins.length (map (c: c.libretroCore) cores) == 1)
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"Libretro cores are not under the same paths";
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(builtins.head cores).libretroCore;
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in
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symlinkJoin {
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name = "retroarch-cores";
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paths = cores;
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} + path;
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wrapperArgs = lib.strings.escapeShellArgs [ "--add-flags" "--config=${settingsPath}" ];
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in
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symlinkJoin {
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name = "retroarch-with-cores-${lib.getVersion retroarch}";
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paths = [ retroarch ];
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nativeBuildInputs = [ makeWrapper ];
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passthru = {
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inherit cores;
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unwrapped = retroarch;
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};
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postBuild = ''
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# wrap binary to load cores from the proper location(s)
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wrapProgram $out/bin/retroarch ${wrapperArgs}
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'';
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meta = with retroarch.meta; {
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inherit changelog description homepage license maintainers platforms;
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longDescription = ''
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RetroArch is the reference frontend for the libretro API.
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''
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+ lib.optionalString (cores != [ ]) ''
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The following cores are included: ${lib.concatStringsSep ", " (map (c: c.core) cores)}
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'';
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mainProgram = "retroarch";
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};
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}
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