meta: allow empty files

f/ansible-meta.json

@@ -1,7 +1,40 @@
 {
   "$id": "https://raw.githubusercontent.com/ansible/schemas/main/f/ansible-meta.json",
   "$schema": "http://json-schema.org/draft-07/schema",
-  "additionalProperties": false,
+  "anyOf": [
+    {
+      "type": "null"
+    },
+    {
+      "additionalProperties": false,
+      "properties": {
+        "allow_duplicates": {
+          "title": "Allow Duplicates",
+          "type": "boolean"
+        },
+        "collections": {
+          "items": {
+            "markdownDescription": "See [Using collections in roles](https://docs.ansible.com/ansible/latest/user_guide/collections_using.html#using-collections-in-roles) and [collection naming conventions](https://docs.ansible.com/ansible/latest/dev_guide/developing_modules_in_groups.html#naming-conventions)",
+            "pattern": "^[a-z_]+\\.[a-z_]+$",
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "dependencies": {
+          "items": {
+            "$ref": "#/definitions/DependencyModel"
+          },
+          "title": "Dependencies",
+          "type": "array"
+        },
+        "galaxy_info": {
+          "$ref": "#/definitions/GalaxyInfoModel"
+        }
+      },
+      "required": ["galaxy_info"],
+      "type": "object"
+    }
+  ],
   "definitions": {
     "AIXPlatformModel": {
       "properties": {
@@ -1183,31 +1216,5 @@
     }
   },
   "examples": ["meta/main.yml"],
-  "properties": {
-    "allow_duplicates": {
-      "title": "Allow Duplicates",
-      "type": "boolean"
-    },
-    "collections": {
-      "items": {
-        "markdownDescription": "See [Using collections in roles](https://docs.ansible.com/ansible/latest/user_guide/collections_using.html#using-collections-in-roles) and [collection naming conventions](https://docs.ansible.com/ansible/latest/dev_guide/developing_modules_in_groups.html#naming-conventions)",
-        "pattern": "^[a-z_]+\\.[a-z_]+$",
-        "type": "string"
-      },
-      "type": "array"
-    },
-    "dependencies": {
-      "items": {
-        "$ref": "#/definitions/DependencyModel"
-      },
-      "title": "Dependencies",
-      "type": "array"
-    },
-    "galaxy_info": {
-      "$ref": "#/definitions/GalaxyInfoModel"
-    }
-  },
-  "required": ["galaxy_info"],
-  "title": "Ansible Meta Schema",
-  "type": "object"
+  "title": "Ansible Meta Schema"
 }

test/roles/empty-meta/meta/main.yml

@@ -0,0 +1 @@
+# this should be considered valid