1 files changed, 68 insertions, 0 deletions
diff --git a/trivionomicon/doctrine/lib/mk-module.nix b/trivionomicon/doctrine/lib/mk-module.nix
new file mode 100644
index 0000000..7a1de39
--- /dev/null
+++ b/trivionomicon/doctrine/lib/mk-module.nix
@@ -0,0 +1,68 @@
+{
+  # The first few arguments are implicitly passed by the 'close' helper
+  lib,
+  pkgs,
+  doctrine,
+  name,
+  config,
+  hm ? null,
+  sys ? null,
+  options ? null,
+  requires ? [],
+  prefix ? doctrine.prefix,
+  namespace ? doctrine.namespace,
+  passthru ? {},
+}: let
+  patchArgs = args: args // passthru // {inherit cfg name doctrine;};
+
+  optionsSet = args: import options (patchArgs args);
+  configSet = args: import configFiles.${namespace} (patchArgs args);
+
+  configFiles = lib.filterAttrs (k: v: v != null) {
+    inherit sys hm;
+  };
+
+  cfg = config.${prefix}.${name};
+  hasConfig = configFiles ? ${namespace};
+in {
+  imports = [
+    (args @ {
+      config,
+      modulesPath ? null,
+      lib,
+      pkgs,
+      ...
+    }:
+      lib.optionalAttrs hasConfig {
+        config = lib.mkIf cfg.enable (lib.mkMerge [
+          (configSet args)
+          {
+            assertions =
+              map (dependency: {
+                assertion = cfg.enable -> config.${prefix}.${dependency}.enable;
+                message = "${prefix}.${name}.enable requires ${prefix}.${dependency}.enable";
+              })
+              requires;
+          }
+        ]);
+      })
+
+    (args @ {
+      config,
+      modulesPath ? null,
+      lib,
+      pkgs,
+      ...
+    }: let
+      hasOptions = options != null && optionsForArgs ? ${namespace};
+      optionsForArgs = optionsSet args;
+    in
+      lib.optionalAttrs (hasOptions || hasConfig) {
+        options.${prefix}.${name} =
+          lib.optionalAttrs hasOptions optionsForArgs.${namespace}
+          // {
+            enable = lib.mkEnableOption name;
+          };
+      })
+  ];
+}