overlay: add readarr

overlays/default.nix

@@ -1,3 +1,5 @@
 self: super:
 
-{ }
+{
+  readarr = super.callPackage ./readarr { };
+}

overlays/readarr.nix

@@ -0,0 +1,53 @@
+{ lib, stdenv, fetchurl, mono, libmediainfo, sqlite, curl, makeWrapper, nixosTests }:
+
+let
+  os = if stdenv.isDarwin then "osx" else "linux";
+  arch = {
+    x86_64-linux = "x64";
+    aarch64-linux = "arm64";
+    x86_64-darwin = "x64";
+    aarch64-darwin = "arm64";
+  }."${stdenv.hostPlatform.system}" or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
+
+  hash = {
+    x64-linux_hash = "";
+    arm64-linux_hash = "";
+    x64-osx_hash = "";
+    arm64-osx_hash = "";
+  }."${arch}-${os}_hash";
+
+in stdenv.mkDerivation rec {
+  pname = "readarr";
+  version = "0.1.0.1248";
+
+  src = fetchurl {
+    url = "https://github.com/Readarr/Readarr/releases/download/v${version}/Readarr.develop.${version}.${os}-core-${arch}.tar.gz";
+    sha256 = hash;
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/{bin,share/${pname}-${version}}
+    cp -r * $out/share/${pname}-${version}/.
+    makeWrapper "${dotnetCorePackages.runtime_3_1}/bin/dotnet" $out/bin/Readarr \
+      --add-flags "$out/share/${pname}-${version}/Readarr.dll" \
+      --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [
+        curl sqlite libmediainfo mono openssl icu ]}
+    runHook postInstall
+  '';
+
+  passthru = {
+    updateScript = "./update.sh";
+    tests.smoke-test = nixosTests.readarr;
+  };
+
+  meta = {
+    description = "Ebook collection manager for Usenet and BitTorrent users";
+    homepage = "https://readarr.com/";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ tboerger ];
+    platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+  };
+}