Compat fix workspace grep globs

agent_builder/builder.py

@@ -368,7 +368,7 @@ def _build_project_backend(ctx: BuilderContext, *, settings: Settings) -> Any |
         except Exception:  # noqa: BLE001
             return _with_builder_skills(StateBackend())
         return _with_builder_skills(
-            WorkspaceBackend(ctx.workspace),
+            _workspace_backend_with_grep_compat(WorkspaceBackend, ctx.workspace),
             artifacts_root=f"/{prefix}/{_BUILDER_ARTIFACT_DIR}",
         )
     try:
@@ -404,11 +404,41 @@ def _build_project_backend(ctx: BuilderContext, *, settings: Settings) -> Any |
         )
     )
     return _with_builder_skills(
-        WorkspaceBackend(workspace),
+        _workspace_backend_with_grep_compat(WorkspaceBackend, workspace),
         artifacts_root=f"/{prefix}/{_BUILDER_ARTIFACT_DIR}",
     )
 
 
+def _workspace_backend_with_grep_compat(workspace_backend_cls: Any, workspace: Any) -> Any:
+    """Patch older a2a-pack WorkspaceBackend grep glob behavior.
+
+    Older ``WorkspaceBackend.grep`` only matched ``glob`` against the full
+    workspace key. DeepAgents commonly calls ``grep(path="/agents/name",
+    glob="agent.py")``, which should match ``agents/name/agent.py``.
+    """
+
+    class BuilderWorkspaceBackend(workspace_backend_cls):  # type: ignore[misc, valid-type]
+        def grep(
+            self,
+            pattern: str,
+            path: str | None = None,
+            glob: str | None = None,
+        ) -> Any:
+            result = super().grep(pattern, path=path, glob=glob)
+            if not glob or not path or getattr(result, "matches", None):
+                return result
+            norm = getattr(self, "_norm", None)
+            base = norm(path) if callable(norm) else path.strip("/")
+            if not base:
+                return result
+            scoped_glob = f"{base.rstrip('/')}/{glob.lstrip('/')}"
+            if scoped_glob == glob:
+                return result
+            return super().grep(pattern, path=path, glob=scoped_glob)
+
+    return BuilderWorkspaceBackend(workspace)
+
+
 def _with_builder_skills(default_backend: Any, *, artifacts_root: str = "/") -> Any:
     skill_store = InMemoryStore()
     for path, content in _builder_skill_files().items():