deadbeef-with-plugins: use symlinkJoin

pkgs/applications/audio/deadbeef/wrapper.nix

···
-{ stdenv, buildEnv, deadbeef, makeWrapper, plugins }:
+{ stdenv, symlinkJoin, deadbeef, makeWrapper, plugins }:
 
-let
-drv = buildEnv {
-  name = "deadbeef-with-plugins-" + (builtins.parseDrvName deadbeef.name).version;
+symlinkJoin {
+  name = "deadbeef-with-plugins-${deadbeef.version}";
 
   paths = [ deadbeef ] ++ plugins;
 
+  buildInputs = [ makeWrapper ];
+
   postBuild = ''
-    # TODO: This could be avoided if buildEnv could be forced to create all directories
-    if [ -L $out/bin ]; then
-      rm $out/bin
-      mkdir $out/bin
-      for i in ${deadbeef}/bin/*; do
-        ln -s $i $out/bin
-      done
-    fi
     wrapProgram $out/bin/deadbeef \
       --set DEADBEEF_PLUGIN_DIR "$out/lib/deadbeef"
   '';
-  };
-in stdenv.lib.overrideDerivation drv (x : { buildInputs = x.buildInputs ++ [ makeWrapper ]; })
+}