Naive fix for 4752

core/dbt/config/project.py

@@ -570,7 +570,7 @@ class Project:
             with_packages=True
         )
 
-    def to_project_config(self, with_packages=False):
+    def to_project_config(self, with_packages=False, path_info_only=True):
         """Return a dict representation of the config that could be written to
         disk with `yaml.safe_dump` to get this configuration.
 
@@ -595,16 +595,16 @@ class Project:
                 "snapshot-paths": self.snapshot_paths,
                 "clean-targets": self.clean_targets,
                 "log-path": self.log_path,
-                "quoting": self.quoting,
-                "models": self.models,
-                "on-run-start": self.on_run_start,
-                "on-run-end": self.on_run_end,
-                "dispatch": self.dispatch,
-                "seeds": self.seeds,
-                "snapshots": self.snapshots,
-                "sources": self.sources,
-                "tests": self.tests,
-                "vars": self.vars.to_dict(),
+                "quoting": {} if path_info_only else self.quoting,
+                "models": {} if path_info_only else self.models,
+                "on-run-start": [] if path_info_only else self.on_run_start,
+                "on-run-end": [] if path_info_only else self.on_run_end,
+                "dispatch": [] if path_info_only else self.dispatch,
+                "seeds": {} if path_info_only else self.seeds,
+                "snapshots": {} if path_info_only else self.snapshots,
+                "sources": {} if path_info_only else self.sources,
+                "tests": {} if path_info_only else self.tests,
+                "vars": {} if path_info_only else self.vars.to_dict(),
                 "require-dbt-version": [v.to_version_string() for v in self.dbt_version],
                 "config-version": self.config_version,
             }

core/dbt/config/runtime.py

@@ -161,7 +161,7 @@ class RuntimeConfig(Project, Profile, AdapterRequiredConfig):
 
         :returns dict: The serialized configuration.
         """
-        result = self.to_project_config(with_packages=True)
+        result = self.to_project_config(with_packages=True, path_info_only=False)
         result.update(self.to_profile_info(serialize_credentials=True))
         result["cli_vars"] = deepcopy(self.cli_vars)
         return result
@@ -494,6 +494,20 @@ class UnsetProfileConfig(RuntimeConfig):
             cli_vars=cli_vars,
             dependencies=dependencies,
         )
+        
+    def serialize(self) -> Dict[str, Any]:
+        """Serialize the full configuration to a single dictionary. For any
+        instance that has passed validate() (which happens in __init__), it
+        matches the Configuration contract.
+
+        Note that args are not serialized.
+
+        :returns dict: The serialized configuration.
+        """
+        result = self.to_project_config(with_packages=True, path_info_only=True)
+        result.update(self.to_profile_info(serialize_credentials=True))
+        result["cli_vars"] = deepcopy(self.cli_vars)
+        return result
 
     @classmethod
     def _get_rendered_profile(