Add hint about config validation for invalid config error

packit_service/config.py

@@ -6,9 +6,9 @@
 from pathlib import Path
 from typing import List, NamedTuple, Optional, Set, Union
 
-from ogr.abstract import GitProject, Issue
 from yaml import safe_load
 
+from ogr.abstract import GitProject, Issue
 from packit.config import (
     Config,
     PackageConfig,
@@ -30,6 +30,8 @@
     SANDCASTLE_PVC,
     SANDCASTLE_WORK_DIR,
     TESTING_FARM_API_URL,
+    DOCS_VALIDATE_CONFIG,
+    DOCS_VALIDATE_HOOKS,
 )
 
 logger = logging.getLogger(__name__)
@@ -349,7 +351,9 @@ def get_package_config_from_repo(
                 "For more info, please check out "
                 f"[the documentation]({DOCS_HOW_TO_CONFIGURE_URL}) "
                 "or [contact the Packit team]"
-                f"({CONTACTS_URL})."
+                f"({CONTACTS_URL}). You can also use "
+                f"our CLI command [`validate-config`]({DOCS_VALIDATE_CONFIG}) or our "
+                f"[pre-commit hooks]({DOCS_VALIDATE_HOOKS}) for validation of the configuration."
             )
 
             if pr_id:

packit_service/constants.py

@@ -14,6 +14,8 @@
 DOCS_APPROVAL_URL = f"{DOCS_URL}/guide/#2-approval"
 DOCS_VM_IMAGE_BUILD = f"{DOCS_URL}/cli/build/in-image-builder/"
 DOCS_TESTING_FARM = f"{DOCS_URL}/configuration/upstream/tests"
+DOCS_VALIDATE_CONFIG = f"{DOCS_URL}/cli/validate-config"
+DOCS_VALIDATE_HOOKS = "https://packit.dev/posts/pre-commit-hooks#validate-config"
 
 KOJI_PRODUCTION_BUILDS_ISSUE = "https://pagure.io/releng/issue/9801"
 

tests/integration/test_pr_comment.py

@@ -35,6 +35,8 @@
     TASK_ACCEPTED,
     DEFAULT_RETRY_LIMIT,
     CHANGED_LOADING_BEHAVIOUR_IN_DISTGIT_MESSAGE,
+    DOCS_VALIDATE_HOOKS,
+    DOCS_VALIDATE_CONFIG,
 )
 from packit_service.models import (
     CoprBuildTargetModel,
@@ -1714,7 +1716,9 @@ def test_trigger_packit_command_without_config(
         "For more info, please check out "
         f"[the documentation]({DOCS_HOW_TO_CONFIGURE_URL}) "
         "or [contact the Packit team]"
-        f"({CONTACTS_URL})."
+        f"({CONTACTS_URL}). You can also use "
+        f"our CLI command [`validate-config`]({DOCS_VALIDATE_CONFIG}) or our "
+        f"[pre-commit hooks]({DOCS_VALIDATE_HOOKS}) for validation of the configuration."
     )
     flexmock(pr).should_receive("comment").with_args(err_msg)