Auto-format before checks by ShaharNaveh · Pull Request #6275 · RustPython/RustPython · GitHub

Summary by CodeRabbit

Chores
- Consolidated PR formatting into CI: new formatting gate runs on PRs, auto-formats code, comments when changes are made, and blocks downstream jobs until resolved.
- Removed the prior standalone PR auto-format workflow; formatting is now handled in the main pipeline.
- Job gating now respects cancellations and explicit skip labels for more predictable checks.
Style
- Minor non-functional code formatting adjustments with no behavior changes.

Walkthrough

Consolidates PR auto-formatting into an auto_format_pr job in .github/workflows/ci.yaml, removes the standalone .github/workflows/pr-auto-commit.yaml, and updates multiple CI jobs to depend on the new formatting gate while changing skip checks to be cancellation-aware plus skip:ci.

Changes

Cohort / File(s)	Summary
CI pipeline — integrated auto-format job .github/workflows/ci.yaml	Adds auto_format_pr job that checks out the PR branch, installs rustfmt, runs cargo fmt, commits/pushes formatting changes when detected, comments on the PR, and exits after pushing. Updates several jobs to needs: auto_format_pr and replaces simple skip checks with !cancelled() && !contains(labels, 'skip:ci').
Removed standalone workflow .github/workflows/pr-auto-commit.yaml	Deleted the prior PR auto-commit workflow that previously ran cargo fmt, committed/pushed changes, and commented on the PR.
Minor formatting change crates/vm/src/stdlib/ast/other.rs	Non-functional styling/formatting adjustments (line wraps/indentation) with no logic changes.

Sequence Diagram(s)

sequenceDiagram
    participant PR as Pull Request
    participant Auto as auto_format_pr (ci.yaml)
    participant CI as Dependent CI Jobs

    PR->>Auto: PR event triggers job
    activate Auto
    Auto->>Auto: checkout PR branch\ninstall rustfmt\nrun cargo fmt
    Note over Auto: Detect formatting diffs
    alt Formatting changes detected
        Auto->>PR: git commit & push formatted changes
        Auto->>PR: post PR comment instructing to pull latest changes
        Auto-x Auto: exit (fails to signal author to sync)
    else No formatting changes
        Auto-->>Auto: complete successfully
    end
    deactivate Auto

    Note right of CI: Jobs now have needs: auto_format_pr\nand condition: !cancelled() && !contains(labels,'skip:ci')
    Auto->>CI: unblocks dependent jobs or triggers re-run if branch changed
    activate CI
    CI->>CI: run tests/lint/etc.
    deactivate CI

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Verify auto_format_pr job steps: checkout, rustfmt install, cargo fmt, git config, commit/push, and PR-comment content.
Confirm each updated job (rust_tests, exotic_targets, snippets_cpython, lint, miri, wasm, wasm-wasi) includes needs: auto_format_pr and the new conditional !cancelled() && !contains(labels, 'skip:ci').
Check removal of .github/workflows/pr-auto-commit.yaml and ensure no remaining references.
Review crates/vm/src/stdlib/ast/other.rs for unintentional semantic changes (quick scan; formatting-only).

Possibly related PRs

Update CI auto-format #6233 — Related CI workflow changes around auto-formatting and rustfmt integration.
Revert "Update CI auto-format" #6236 — Overlapping changes to CI auto-format workflows and job gating.
removed old auto-format implimentaion from ci.yaml #6251 — Also touches introducing/removing auto-format workflows and gating behavior.

Suggested labels

skip:ci

Poem

🐇 I hopped through files with a whiskered grin,
Ran rustfmt softly to tidy within.
I pushed neat lines and left a small note,
Now CI waits kindly for authors to quote.
🥕✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Auto-format before checks' accurately captures the main change: moving auto-formatting to run before other CI checks to resolve the timeout issues.
Linked Issues check	✅ Passed	The PR successfully implements approach #2 from issue #6272: ensuring auto-format runs before CI jobs by adding it as a gating job that subsequent tests depend on.
Out of Scope Changes check	✅ Passed	Changes in ast/other.rs are minor formatting-only and directly result from the new cargo fmt job running in this PR; all changes align with resolving the CI auto-format timeout issue.

✨ Finishing touches

📝 Generate docstrings

🧪 Generate unit tests (beta)

Create PR with unit tests
Post copyable unit tests in a comment

📜 Recent review details

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 65549b2 and a577106.

📒 Files selected for processing (1)

crates/vm/src/stdlib/ast/other.rs (1 hunks)

✅ Files skipped from review due to trivial changes (1)

crates/vm/src/stdlib/ast/other.rs

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (11)

GitHub Check: Run snippets and cpython tests (windows-latest)
GitHub Check: Run snippets and cpython tests (ubuntu-latest)
GitHub Check: Check the WASM package and demo
GitHub Check: Run snippets and cpython tests (macos-latest)
GitHub Check: Run tests under miri
GitHub Check: Run snippets and cpython tests on wasm-wasi
GitHub Check: Run rust tests (windows-latest)
GitHub Check: Run rust tests (macos-latest)
GitHub Check: Run rust tests (ubuntu-latest)
GitHub Check: Ensure compilation on various targets
GitHub Check: auto_format

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Actionable comments posted: 2

🧹 Nitpick comments (1)

.github/workflows/ci.yaml (1)
381-384: Add consistent conditional guards to lint job.

The lint job has needs: auto_format_pr but lacks the if: ${{ !cancelled() && !contains(...) }} conditional that other downstream jobs (rust_tests, exotic_targets, snippets_cpython, miri, wasm, wasm-wasi) include. This inconsistency could cause the lint job to run in scenarios where other jobs are skipped due to label-based filtering.

Apply this diff to add the conditional:
  lint:
    name: Check Rust code with clippy
+   if: ${{ !cancelled() && !contains(github.event.pull_request.labels.*.name, 'skip:ci') }}
    needs:
      - auto_format_pr
    runs-on: ubuntu-latest

📜 Review details

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 041dd30 and df498ad.

📒 Files selected for processing (2)

.github/workflows/ci.yaml (7 hunks)
.github/workflows/pr-auto-commit.yaml (0 hunks)

💤 Files with no reviewable changes (1)

.github/workflows/pr-auto-commit.yaml

🧰 Additional context used 🧠 Learnings (2) 📓 Common learnings

Learnt from: ShaharNaveh
Repo: RustPython/RustPython PR: 5932
File: .github/workflows/comment-commands.yml:18-24
Timestamp: 2025-07-10T10:08:43.330Z
Learning: In GitHub Actions workflows for the RustPython project, the maintainer ShaharNaveh prefers to keep workflows simple and doesn't mind if steps fail when the desired state is already achieved (e.g., user already assigned to an issue). Avoid suggesting complex error handling for edge cases they don't consider problematic.

📚 Learning: 2025-07-10T10:08:43.330Z

Learnt from: ShaharNaveh
Repo: RustPython/RustPython PR: 5932
File: .github/workflows/comment-commands.yml:18-24
Timestamp: 2025-07-10T10:08:43.330Z
Learning: In GitHub Actions workflows for the RustPython project, the maintainer ShaharNaveh prefers to keep workflows simple and doesn't mind if steps fail when the desired state is already achieved (e.g., user already assigned to an issue). Avoid suggesting complex error handling for edge cases they don't consider problematic.

Applied to files:

.github/workflows/ci.yaml

🪛 actionlint (1.7.8) .github/workflows/ci.yaml

148-148: property "git_commit" is not defined in object type {git-commit: {conclusion: string; outcome: string; outputs: {string => string}}}

(expression)

167-167: "github.event.pull_request.head.ref" is potentially untrusted. avoid using it directly in inline scripts. instead, pass it through an environment variable. see https://docs.github.com/en/actions/reference/security/secure-use#good-practices-for-mitigating-script-injection-attacks for more details

(expression)

174-174: property "git_commit" is not defined in object type {git-commit: {conclusion: string; outcome: string; outputs: {string => string}}}

(expression)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (12)

GitHub Check: Run snippets and cpython tests on wasm-wasi
GitHub Check: Check the WASM package and demo
GitHub Check: Run snippets and cpython tests (ubuntu-latest)
GitHub Check: Run tests under miri
GitHub Check: Run snippets and cpython tests (macos-latest)
GitHub Check: Run snippets and cpython tests (windows-latest)
GitHub Check: Check Rust code with clippy
GitHub Check: Run rust tests (windows-latest)
GitHub Check: Run rust tests (ubuntu-latest)
GitHub Check: Run rust tests (macos-latest)
GitHub Check: Ensure compilation on various targets
GitHub Check: auto_format

@ShaharNaveh could you test this workflow with a mal-formatted commit?

…checks

The main issue I encounter ATM is the fact that github actions prevents you from doing recursive calls to the workflow. I can't get the checks to trigger after the auto-format commit

#6295 replaced it. Thank you for the work!

Add auto-format before checks

df498ad

coderabbitai Bot reviewed Nov 15, 2025

View reviewed changes

Comment thread .github/workflows/ci.yaml Outdated

Comment thread .github/workflows/ci.yaml Outdated

ShaharNaveh added 2 commits November 15, 2025 14:02

Fix

65549b2

Trigger CI

7b52ebc

ShaharNaveh and others added 2 commits November 15, 2025 15:10

Merge remote-tracking branch 'upstream/main' into auto-format-before-…

49c41c9

…checks

malformat

a577106

youknowone closed this Dec 4, 2025

Auto-format before checks by ShaharNaveh · Pull Request #6275 · RustPython/RustPython · GitHub

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Auto-format before checks - #6275

Auto-format before checks#6275
ShaharNaveh wants to merge 5 commits into
RustPython:mainfrom
ShaharNaveh:auto-format-before-checks

ShaharNaveh commented Nov 15, 2025 •
edited by coderabbitai Bot
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youknowone commented Nov 15, 2025

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Auto-format before checks by ShaharNaveh · Pull Request #6275 · RustPython/RustPython · GitHub

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Auto-format before checks - #6275

Auto-format before checks#6275ShaharNaveh wants to merge 5 commits intoRustPython:mainRustPython/RustPython:mainfrom ShaharNaveh:auto-format-before-checksShaharNaveh/RustPython:auto-format-before-checksCopy head branch name to clipboard

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Summary by CodeRabbit

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Walkthrough

Changes

Sequence Diagram(s)

Estimated code review effort

Possibly related PRs

Suggested labels

Poem

Pre-merge checks and finishing touches

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youknowone commented Nov 15, 2025

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ShaharNaveh commented Nov 16, 2025

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youknowone commented Dec 4, 2025

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Auto-format before checks#6275
ShaharNaveh wants to merge 5 commits into
RustPython:mainfrom
ShaharNaveh:auto-format-before-checks

ShaharNaveh commented Nov 15, 2025 •
edited by coderabbitai Bot
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