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Fix infinite loop on corrupted fine-grained cache #5739

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Merged
merged 2 commits into from
Oct 5, 2018
Merged

Fix infinite loop on corrupted fine-grained cache #5739

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aeeef1d
Fix infinite loop on corrupted fine-grained cache
msullivan Oct 4, 2018
180e516
Add a test
msullivan Oct 5, 2018
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2 changes: 2 additions & 0 deletions mypy/build.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2145,6 +2145,8 @@ def dispatch(sources: List[BuildSource], manager: BuildManager) -> Graph:
if proto_deps is not None:
TypeState.proto_deps = proto_deps
elif manager.stats.get('fresh_metas', 0) > 0:
# Clear the stats so we don't infinite loop because of positive fresh_metas
manager.stats.clear()
# There were some cache files read, but no protocol dependencies loaded.
manager.log("Error reading protocol dependencies cache -- aborting cache load")
manager.cache_enabled = False
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