Be able to pass config args to default.nix

Author: thomasjm

templates/default.nix

@@ -1,27 +1,30 @@
-{ pkgs ? import <nixpkgs> {} }:
+{ pkgs ? import <nixpkgs> {}
 
-with pkgs;
+# The base Julia version
+, baseJulia ? pkgs.julia-stable-bin
 
+# Extra libraries for Julia's LD_LIBRARY_PATH.
+# Recent Julia packages that use Artifacts.toml to specify their dependencies
+# shouldn't need this.
+# But if a package implicitly depends on some library being present at runtime, you can
+# add it here.
+, extraLibs ? []
 
-let
-  # The base Julia version
-  baseJulia = julia-lts-bin;
+, python ? pkgs.python3
+}:
 
-  # Extra libraries for Julia's LD_LIBRARY_PATH.
-  # Recent Julia packages that use Artifacts.toml to specify their dependencies
-  # shouldn't need this.
-  # But if a package implicitly depends on some library being present at runtime, you can
-  # add it here.
-  extraLibs = [];
+with pkgs;
 
+
+let
   # Wrapped Julia with libraries and environment variables.
   # Note: setting The PYTHON environment variable is recommended to prevent packages
   # from trying to obtain their own with Conda.
   julia = runCommand "julia-wrapped" { buildInputs = [makeWrapper]; } ''
     mkdir -p $out/bin
     makeWrapper ${baseJulia}/bin/julia $out/bin/julia \
                 --suffix LD_LIBRARY_PATH : "${lib.makeLibraryPath extraLibs}" \
-                --set PYTHON ${python3}/bin/python
+                --set PYTHON ${python}/bin/python
   '';
 
 in