Add module

conmorfeusz.nix

@@ -1,38 +1,35 @@
 {
   self,
+  pkgs,
   stdenv,
   lib,
   writers,
+  writeScriptBin,
   nodejs,
   fetchurl,
-  model ? "",
+  model ? null,
   serverUrl ? "",
   local ? true,
   ...
-}: let
-  sgjpModel = fetchurl {
-    url = "https://zil.ipipan.waw.pl/Concraft?action=AttachFile&do=get&target=concraft-pl-model-SGJP-20220221.gz";
-    hash = "sha256-VcvdSkJwUhAgHroA0d/bH3QDjjO/2x8HqSuUvRgIN/4=";
-  };
+}:
+writeScriptBin "conmorfeusz" ''
+  #!/${nodejs}/bin/node
+  // Passed from Nix derivation config
+  const MORFEUSZ_ANALYSER_BIN="${self.packages.${stdenv.hostPlatform.system}.morfeusz}/bin/morfeusz_analyzer";
+  const MORFEUSZ_GENERATOR_BIN="${self.packages.${stdenv.hostPlatform.system}.morfeusz}/bin/morfeusz_generator";
+  const CONCRAFT_BIN="${self.packages.${stdenv.hostPlatform.system}.concraft-pl}/bin/concraft-pl";
+  const CONCRAFT_MODEL="${
+    if model != null
+    then model
+    else pkgs.callPackage ./concraft-sgjp-model.nix {}
+  }";
+  const CONCRAFT_SERVER_URL="${serverUrl}";
+  const CONCRAFT_MODE="${
+    if local
+    then "local"
+    else "remote"
+  }";
+  // =================================
 
-  targetModel =
-    if model == ""
-    then sgjpModel
-    else model;
-in
-  writers.makeScriptWriter {interpreter = "${nodejs}/bin/node";} "conmorfeusz" ''
-    // Passed from Nix derivation config
-    const MORFEUSZ_ANALYSER_BIN="${self.packages.${stdenv.hostPlatform.system}.morfeusz}/bin/morfeusz_analyzer";
-    const MORFEUSZ_GENERATOR_BIN="${self.packages.${stdenv.hostPlatform.system}.morfeusz}/bin/morfeusz_generator";
-    const CONCRAFT_BIN="${self.packages.${stdenv.hostPlatform.system}.concraft-pl}/bin/concraft-pl";
-    const CONCRAFT_MODEL="${targetModel}";
-    const CONCRAFT_SERVER_URL="${serverUrl}";
-    const CONCRAFT_MODE="${
-      if local
-      then "local"
-      else "remote"
-    }";
-    // =================================
-
-    ${builtins.readFile ./index.js}
-  ''
+  ${builtins.readFile ./index.js}
+''