alda: init at 1.4.2

pkgs/development/interpreters/alda/default.nix

@@ -0,0 +1,27 @@
+{ stdenv, fetchurl, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "alda";
+  version = "1.4.2";
+
+  src = fetchurl {
+    url = "https://github.com/alda-lang/alda/releases/download/${version}/alda";
+    sha256 = "1d0412jw37gh1y7i8cmaml8r4sn516i6pxmm8m16yprqmz6glx28";
+  };
+
+  dontUnpack = true;
+
+  installPhase = ''
+    install -Dm755 $src $out/bin/alda
+    sed -i -e '1 s!java!${jre}/bin/java!' $out/bin/alda
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A music programming language for musicians.";
+    homepage = "https://alda.io";
+    license = licenses.epl10;
+    maintainers = [ maintainers.ericdallo ];
+    platforms = jre.meta.platforms;
+  };
+
+}

pkgs/top-level/all-packages.nix

@@ -132,6 +132,8 @@ in
 
   addOpenGLRunpath = callPackage ../build-support/add-opengl-runpath { };
 
+  alda = callPackage ../development/interpreters/alda { };
+
   ankisyncd = callPackage ../servers/ankisyncd { };
 
   avro-tools = callPackage ../development/tools/avro-tools { };