Fix role name handling in prerun.py

playbooks/eco.yml

@@ -8,6 +8,11 @@
       - name: ansible-role-mysql
         url: https://github.com/geerlingguy/ansible-role-mysql.git
         contact: geerlingguy
+      - name: geerlingguy.mysql
+        url: https://github.com/geerlingguy/ansible-role-mysql.git
+        contact: geerlingguy
+        # duplicates first one but covers for the case where clone is made in a
+        # folder that uses namespace.rolename pattern (installed galaxy role)
       - name: zuul-jobs
         url: https://opendev.org/zuul/zuul-jobs
         contact: ssbarnea

src/ansiblelint/prerun.py

@@ -169,7 +169,7 @@ def _install_galaxy_role() -> None:
     role_namespace = yaml['galaxy_info'].get('namespace', None)
     if not role_namespace:
         role_namespace = yaml['galaxy_info'].get('author', None)
-    if not role_name:
+    if not role_name or os.path.exists(".git") or os.path.exists(".hg"):
         role_name = pathlib.Path(".").absolute().name
         role_name = re.sub(r'^{0}'.format(re.escape('ansible-role-')), '', role_name)
 
@@ -202,7 +202,7 @@ def _install_galaxy_role() -> None:
         fqrn = role_name
     p = pathlib.Path(f"{options.project_dir}/.cache/roles")
     p.mkdir(parents=True, exist_ok=True)
-    link_path = p / f"{role_namespace}.{role_name}"
+    link_path = p / fqrn
     # despite documentation stating that is_file() reports true for symlinks,
     # it appears that is_dir() reports true instead, so we rely on exits().
     if not link_path.exists():