1 files changed, 48 insertions, 0 deletions
diff --git a/sphinx/builders/dummy.py b/sphinx/builders/dummy.py
new file mode 100644
index 0000000..f025311
--- /dev/null
+++ b/sphinx/builders/dummy.py
@@ -0,0 +1,48 @@
+"""Do syntax checks, but no writing."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any
+
+from sphinx.builders import Builder
+from sphinx.locale import __
+
+if TYPE_CHECKING:
+    from docutils.nodes import Node
+
+    from sphinx.application import Sphinx
+
+
+class DummyBuilder(Builder):
+    name = 'dummy'
+    epilog = __('The dummy builder generates no files.')
+
+    allow_parallel = True
+
+    def init(self) -> None:
+        pass
+
+    def get_outdated_docs(self) -> set[str]:
+        return self.env.found_docs
+
+    def get_target_uri(self, docname: str, typ: str | None = None) -> str:
+        return ''
+
+    def prepare_writing(self, docnames: set[str]) -> None:
+        pass
+
+    def write_doc(self, docname: str, doctree: Node) -> None:
+        pass
+
+    def finish(self) -> None:
+        pass
+
+
+def setup(app: Sphinx) -> dict[str, Any]:
+    app.add_builder(DummyBuilder)
+
+    return {
+        'version': 'builtin',
+        'parallel_read_safe': True,
+        'parallel_write_safe': True,
+    }