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Hash project-local include dirs into the pch checksum and share the registration gate

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This commit is contained in:
J. Nick Koston
2026-08-25 15:04:55 -05:00
parent 6ab93051b7
commit fae9eb0dd2
5 changed files with 53 additions and 4 deletions
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tests/unit_tests/test_platformio_pch_script.py
+16
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@@ -165,3 +165,19 @@ def test_copy_pch_script(tmp_path: Path) -> None:
CORE.build_path = tmp_path
toolchain.copy_pch_script()
assert (tmp_path / "pch.py").read_text() == _SCRIPT.read_text()
def test_pch_script_hashes_project_local_include_dirs(tmp_path: Path) -> None:
"""Generated headers in project-local -I dirs (e.g. rp2's lwip_override)
must invalidate the checksum when they change."""
proj = tmp_path / "dev"
override = proj / "lwip_override"
override.mkdir(parents=True)
(override / "lwipopts.h").write_text("#define TCP_MSS 1460\n")
flags = ["-DX=1", "-I", str(override)]
_run_script(tmp_path, flags=flags)
first = (proj / "esphome_pch.h.gch.sum").read_text()
(override / "lwipopts.h").write_text("#define TCP_MSS 536\n")
(tmp_path / "fake-gxx.argv").unlink(missing_ok=True)
_run_script(tmp_path, flags=flags)
assert (proj / "esphome_pch.h.gch.sum").read_text() != first