Minor CLI fixes (#3008)

1. Updated no repo initialized warning message
2. Added logging when config validation errors

Author: peterschmidt85

src/dstack/_internal/cli/services/configurators/run.py

@@ -85,12 +85,9 @@ def apply_configuration(
             repo_config = config_manager.get_repo_config(repo_path)
             if repo_config is None:
                 warn(
-                    "The repo is not initialized. Starting from 0.19.25, repos are optional\n"
-                    "There are three options:\n"
-                    "  - Run `dstack init` to initialize the current directory as a repo\n"
-                    "  - Specify `--repo`\n"
-                    "  - Specify `--no-repo` to not use any repo and supress this warning"
-                    " (this will be the default in the future versions)"
+                    "Repo is not initialized. "
+                    "Use [code]--repo <dir>[/code] or [code]--no-repo[/code] to initialize it.\n"
+                    "Starting from 0.19.25, repos will be configured via YAML and this message won't appear."
                 )
                 if not command_args.yes and not confirm_ask("Continue without the repo?"):
                     console.print("\nExiting...")

src/dstack/_internal/core/services/configs/__init__.py

@@ -38,7 +38,10 @@ def load(self):
             with open(self.config_filepath, "r") as f:
                 config = yaml.safe_load(f)
             self.config = GlobalConfig.parse_obj(config)
-        except (FileNotFoundError, ValidationError):
+        except FileNotFoundError:
+            self.config = GlobalConfig()
+        except ValidationError:
+            logger.error(f"Error in `{self.config_filepath}`", exc_info=True)
             self.config = GlobalConfig()
 
     def get_project_config(self, name: Optional[str] = None) -> Optional[ProjectConfig]: