nixpkgs/pkgs/misc/emulators/retroarch/wrapper.nix

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{ stdenv, lib, makeWrapper, retroarch, cores }:
let
p = builtins.parseDrvName retroarch.name;
in
stdenv.mkDerivation {
name = "retroarch-" + p.version;
version = p.version;
buildInputs = [ makeWrapper ];
buildCommand = ''
mkdir -p $out/lib
$(for coreDir in $cores
do
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$(ln -s $coreDir/* $out/lib/.)
done)
ln -s -t $out ${retroarch}/share
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if [ -d ${retroarch}/Applications ]; then
ln -s -t $out ${retroarch}/Applications
fi
makeWrapper ${retroarch}/bin/retroarch $out/bin/retroarch \
--suffix-each LD_LIBRARY_PATH ':' "$cores" \
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--add-flags "-L $out/lib/" \
'';
cores = map (x: x + x.libretroCore) cores;
preferLocalBuild = true;
meta = with retroarch.meta; {
inherit license homepage platforms maintainers;
description = description
+ " (with cores: "
+ lib.concatStrings (lib.intersperse ", " (map (x: ""+x.name) cores))
+ ")";
};
}