meta: require either src, name or role for each dependency entry

f/ansible-meta.json

@@ -239,7 +239,23 @@
     },
     "DependencyModel": {
       "additionalProperties": false,
+      "anyOf": [
+        {
+          "required": ["role"]
+        },
+        {
+          "required": ["src"]
+        },
+        {
+          "required": ["name"]
+        }
+      ],
+      "markdownDescription": "See https://docs.ansible.com/ansible/latest/user_guide/playbooks_reuse_roles.html#role-dependencies and https://github.com/ansible/ansible/blob/devel/lib/ansible/playbook/role/metadata.py#L79",
       "properties": {
+        "name": {
+          "title": "Name",
+          "type": "string"
+        },
         "role": {
           "title": "Role",
           "type": "string"
@@ -269,8 +285,7 @@
           "type": "string"
         }
       },
-      "required": ["role"],
-      "title": "DependencyModel",
+      "title": "Dependency entry",
       "type": "object"
     },
     "DevuanPlatformModel": {

negative_test/roles/role_with_bad_deps_in_meta/meta/main.yml

@@ -0,0 +1,12 @@
+galaxy_info:
+  description: bar
+  min_ansible_version: "2.9"
+  company: foo
+  license: MIT
+  platforms:
+    - name: Alpine
+      versions:
+        - all
+
+dependencies:
+  - version: foo # invalid, should have at least name, role or src properties

test/roles/foo/meta/main.yml

@@ -1,3 +1,36 @@
+dependencies:
+  - name: ansible-role-foo
+    version: "1.0"
+  - name: ansible-role-bar
+    version: "1.0"
+  # from Bitbucket
+  - src: git+http://bitbucket.org/willthames/git-ansible-galaxy
+    version: v1.4
+
+  # from Bitbucket, alternative syntax and caveats
+  - src: http://bitbucket.org/willthames/hg-ansible-galaxy
+    scm: hg
+
+  # from galaxy
+  - src: community.molecule
+
+  # from GitHub
+  - src: https://github.com/bennojoy/nginx
+
+  # from GitHub, overriding the name and specifying a specific tag
+  - src: https://github.com/bennojoy/nginx
+    version: master
+    name: nginx_role
+
+  # from GitLab or other git-based scm
+  - src: [email protected]:my-group/my-repo.git
+    scm: git
+    version: "0.1" # quoted, so YAML doesn't parse this as a floating-point value
+
+  # from a web server, where the role is packaged in a tar.gz
+  - src: https://some.webserver.example.com/files/master.tar.gz
+    name: http-role
+
 galaxy_info:
   description: foo
   min_ansible_version: "2.9"