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docs(infra): add note about check_diff.py running on seemingly unrelated PRs (#33323)

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Mason Daugherty
2025-10-06 17:56:57 -04:00
committed by GitHub
parent c55c9785be
commit 690b620b7f
1 changed files with 9 additions and 1 deletions
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10
.github/scripts/check_diff.py vendored
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@@ -257,7 +257,15 @@ if __name__ == "__main__":
".github/scripts/check_diff.py",
)
):
# add all LANGCHAIN_DIRS for infra changes
# Infrastructure changes (workflows, actions, CI scripts) trigger tests on
# all core packages as a safety measure. This ensures that changes to CI/CD
# infrastructure don't inadvertently break package testing, even if the change
# appears unrelated (e.g., documentation build workflows). This is intentionally
# conservative to catch unexpected side effects from workflow modifications.
#
# Example: A PR modifying .github/workflows/api_doc_build.yml will trigger
# lint/test jobs for libs/core, libs/text-splitters, libs/langchain, and
# libs/langchain_v1, even though the workflow may only affect documentation.
dirs_to_run["extended-test"].update(LANGCHAIN_DIRS)
if file.startswith("libs/core"):