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The lint job runs Ruff and clang-format from Python wheels and does not use rustfmt. Remove the unnecessary Rust bootstrap and moving stable download dependency. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Intentionally retain single quotes so RUFF-FORMAT fails for automation validation. Remove this fixture after the experiment. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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| """Temporary lint CI negative control; remove after automation validation.""" | |||
Base automatically changed from
eserscor-dev/erscor/2026/10/26-remove-unused-rust
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October 26, 2026 18:53
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Description
TEMPORARY NEGATIVE CONTROL / DO NOT MERGE. This draft PR intentionally fails
RUFF-FORMATto validate the Python format GitHub Actions failure path and subsequent SARIF production/upload. It is stacked on #33613, not intended formainor production.The only change is
tools/ci_build/lint_failure_validation.py: valid Python with a deliberately single-quoted dictionary on line 3. The fixture is explicitly temporary and must remain unformatted during this experiment. No lint rules or workflow execution are changed. Parent #33613 remains untouched.Local validation on Windows with repository-pinned lintrunner 0.13.1, lintrunner-adapters 0.14.1, and ruff 0.12.12:
python -m pip install --quiet -r requirements-lintrunner.txtin an isolated virtual environment: passed.lintrunner init: passed.$artifactsset to this session's external artifact directory,lintrunner --force-color --tee-json="$artifacts\lint-negative-control.json" -v tools\ci_build\lint_failure_validation.py: expected failure, exit 1, exactly oneRUFF-FORMAT/formatdiagnostic on the fixture; noRUFFcheck findings.python -m lintrunner_adapters to-sarif "$artifacts\lint-negative-control.json" "$artifacts\lint-negative-control.sarif": passed, exit 0.git diff --cached --check: passed before commit.Generated lint JSON, SARIF, and schema files are outside the repository and are not committed. A full-repository local lint run was not performed; this PR exercises the existing automatic
--all-filesCI run. Expected CI outcomes:Run lintrunner on all filesfails on this fixture, whileProduce SARIFandUpload SARIF filesucceed. No manual dispatch or redundant rerun is requested.Motivation and Context
User-approved negative-control experiment for #33613, which removes unused Rust setup from the Python format workflow. Verify that removing Rust setup preserves both real lint failures and SARIF reporting, rather than producing a provisioning failure. This draft PR is only a validation vehicle; do not merge it or fix the intentional formatting violation as part of this experiment.