add-forge-now: Allow scheduling of cgit task type

Refs. swh/infra/sysadm-environment#4813

swh/scheduler/cli/add_forge_now.py

@@ -65,7 +65,7 @@ def register_lister_cli(
     # Map the associated task types for the lister
     task_type_names: Dict[str, str] = {
         listing_type: lister_task_type(lister_name, listing_type)
-        for listing_type in ["full", "incremental"]
+        for listing_type in ["full", "incremental", None]
     }
 
     task_types: Dict[str, Dict] = {}

swh/scheduler/cli/utils.py

-# Copyright (C) 2019-2022  The Software Heritage developers
+# Copyright (C) 2019 The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
@@ -332,5 +332,10 @@ def task_add(
     click.echo("\n".join(output))
 
 
-def lister_task_type(lister_name: str, lister_type: str) -> str:
-    return f"list-{lister_name}-{lister_type}"
+def lister_task_type(lister_name: str, lister_type: Optional[str] = None) -> str:
+    """Compute expected scheduler task type from the lister name and its optional
+    listing type (full, incremental).
+
+    """
+    prefix = f"list-{lister_name}"
+    return f"{prefix}-{lister_type}" if lister_type else prefix

swh/scheduler/tests/test_cli_utils.py

+# Copyright (C) 2023  The Software Heritage developers
+# See the AUTHORS file at the top-level directory of this distribution
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+import pytest
+
+from swh.scheduler.cli.utils import lister_task_type
+
+
+@pytest.mark.parametrize(
+    "lister_name, lister_type, expected_task_type",
+    [
+        ["cgit", None, "list-cgit"],
+        ["gitlab", "full", "list-gitlab-full"],
+        ["gitea", "incremental", "list-gitea-incremental"],
+    ],
+)
+def test_lister_task_type(lister_name, lister_type, expected_task_type):
+    assert lister_task_type(lister_name, lister_type) == expected_task_type