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path: root/nixpkgs/pkgs/by-name/al/alsa-lib-with-plugins/package.nix
blob: 63ffa5550c44675ae3ba7c28c3a78fd09ab8bef6 (plain) (blame)
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{ lib
, pkgs
, alsa-lib
, plugins ? [ pkgs.alsa-plugins ]
, lndir
, symlinkJoin
, runCommand
}:
let
  merged = symlinkJoin { name = "alsa-plugins-merged"; paths = plugins; };
in
runCommand "${alsa-lib.pname}-${alsa-lib.version}" {
  meta = with lib; {
    description = "wrapper to ease access to ALSA plugins";
    mainProgram = "aserver";
    platforms = platforms.linux;
    maintainers = with maintainers; [ gm6k ];
  };
  outputs = alsa-lib.outputs;
} (
    (
      lib.concatMapStringsSep "\n" (
        output: ''
          mkdir ${builtins.placeholder output}
          ${lndir}/bin/lndir ${lib.attrByPath [output] null alsa-lib} \
            ${builtins.placeholder output}
        ''
      ) alsa-lib.outputs
    ) + ''
    cp -r ${merged}/lib/alsa-lib $out/lib
    (
      echo $out | wc -c
      echo ${alsa-lib} | wc -c
    ) | xargs echo | grep -q "^\(.*\) \1$" || (
      echo cannot binary patch
      exit 1
    )
    rm $out/lib/libasound.la
    rm $out/lib/libasound.so.?.?.?
    rm $dev/lib/pkgconfig/alsa.pc
    rm $dev/nix-support/propagated-build-inputs
    cp ${alsa-lib}/lib/libasound.la $out/lib
    cp ${alsa-lib}/lib/libasound.so.?.?.? $out/lib
    cp ${alsa-lib.dev}/lib/pkgconfig/alsa.pc $dev/lib/pkgconfig
    cp ${alsa-lib.dev}/nix-support/propagated-build-inputs $dev/nix-support
    sed -i \
        $out/lib/libasound.la \
        $out/lib/libasound.so.?.?.? \
        $dev/lib/pkgconfig/alsa.pc \
        $dev/nix-support/propagated-build-inputs \
      -e "s@${alsa-lib}@$out@g"
  ''
)