IQ.Pilot Release Commit @ 0b96bd5

iqpilot/system/manager/build.py

@@ -81,6 +81,19 @@ def stale_registry_artifacts(basedir: str = BASEDIR) -> list[str]:
   return stale
 
 
+def purge_stale_registry_header(basedir: str = BASEDIR) -> bool:
+  from iqpilot.cereal.services import registry_tag
+  header = os.path.join(basedir, REGISTRY_ARTIFACTS[0])
+  if not os.path.isfile(header):
+    return False
+  with open(header, "rb") as f:
+    stamped = registry_tag().encode() in f.read()
+  if stamped:
+    return False
+  purge_registry_artifacts([], basedir)
+  return True
+
+
 def purge_registry_artifacts(stale: list[str], basedir: str = BASEDIR) -> None:
   for rel in set(stale) | set(REGISTRY_ARTIFACTS[:3]):
     path = os.path.join(basedir, rel)
@@ -101,6 +114,9 @@ def build(spinner, dirty: bool = False, minimal: bool = False, show_error_window
 
   # building with all cores can result in using too
   # much memory, so retry with less parallelism
+  if purge_stale_registry_header():
+    cloudlog.error("generated service registry header was stale, regenerating")
+
   compile_output: list[bytes] = []
   for n in get_job_sequence():
     compile_output.clear()

iqpilot/system/manager/test/test_services_registry.py

@@ -43,3 +43,23 @@ def test_purge_removes_the_stale_binary_and_the_messaging_table(tmp_path):
   assert "iqpilot/cereal/messaging/socketmaster.o" not in remaining
   assert "iqpilot/cereal/libsocketmaster.a" not in remaining
   assert "iqpilot/system/loggerd/loggerd" in remaining
+
+
+def test_generated_header_declares_the_stamp_for_the_compile_fallback():
+  assert "#define SERVICES_REGISTRY_STAMPED 1" in build_header()
+
+
+def test_pre_build_purge_drops_an_unstamped_or_old_header(tmp_path):
+  from iqpilot.system.manager.build import purge_stale_registry_header
+  _write(tmp_path, "iqpilot/cereal/services.h", b"static std::map<std::string, service> services = {};\n")
+  _write(tmp_path, "iqpilot/cereal/messaging/socketmaster.o", b"o")
+  _write(tmp_path, "iqpilot/cereal/libsocketmaster.a", b"a")
+  assert purge_stale_registry_header(str(tmp_path))
+  assert not (tmp_path / "iqpilot/cereal/services.h").exists()
+  assert not (tmp_path / "iqpilot/cereal/messaging/socketmaster.o").exists()
+  assert not (tmp_path / "iqpilot/cereal/libsocketmaster.a").exists()
+
+  _write(tmp_path, "iqpilot/cereal/services.h", build_header().encode())
+  assert not purge_stale_registry_header(str(tmp_path))
+  assert (tmp_path / "iqpilot/cereal/services.h").exists()
+  assert not purge_stale_registry_header(str(tmp_path / "nowhere"))