Sandbox::https://github.com/pnpm/action-setup/pull/255

haines · 2026-05-11T09:24:09Z

Fixes #253

Summary by CodeRabbit

Refactor
- Improved the action's internal lifecycle management with better separation of main and post step execution flows, enhancing state management for more reliable pnpm setup and caching operations.

coderabbitai · 2026-05-11T09:24:22Z

📝 Walkthrough

Walkthrough

The action entrypoint is refactored to use GitHub Action state (saveState/getState) to persist inputs between the main and post-cleanup steps, fixing issues when the action runs via a composite action. The dispatcher routes based on stored state instead of function arguments, runMain() derives and saves inputs, and runPost() reconstructs them for cleanup.

Changes

State-based input persistence for GitHub Action post step

Layer / File(s)	Summary
Main dispatcher routing `src/index.ts`	`main()` now invokes `runPost()` or `runMain()` without arguments, using `getState('is_post')` to determine which path to execute.
Main step with input persistence `src/index.ts`	`runMain()` takes no parameters; it creates `inputs` via `getInputs()`, persists them to action state with `saveState('inputs', JSON.stringify(inputs))`, sets `is_post` to `'true'`, then runs the install sequence and cache restore.
Post step with input reconstruction `src/index.ts`	New `runPost()` function reconstructs `inputs` from persisted action state via `JSON.parse(getState('inputs'))`, then executes `pruneStore(inputs)` and `saveCache(inputs)` for cleanup.

🎯 2 (Simple) | ⏱️ ~8 minutes

🐰 A rabbit hops through the state, storing inputs for later fate,
No more mixed-up args in the post-action stage,
With saveState and getState upon the page,
Composite actions now work great! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ 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%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title clearly and concisely describes the main change: restoring inputs from state in the post step, which directly addresses the core fix for issue `#253`.
Linked Issues check	✅ Passed	The PR implementation directly addresses the root causes identified in issue `#253`: inputs are now persisted via saveState() in main and restored from STATE in post, fixing the composite-action input-loss issue.
Out of Scope Changes check	✅ Passed	All changes in src/index.ts are scoped to refactoring the control flow to persist and restore inputs via GitHub Action state, which is directly required by issue `#253`.

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coderabbitai

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/index.ts`:
- Line 34: The code unconditionally calls JSON.parse(getState('inputs')) when
assigning const inputs in src/index.ts, which can throw if getState('inputs') is
missing/empty/corrupted; wrap the retrieval and parse in a safe guard: read
const raw = getState('inputs'), check raw is truthy before parsing, and/or parse
inside a try/catch that falls back to a safe default (e.g., undefined or an
empty Inputs-like object) and logs the parse error, so the post-cleanup path
(and the rest of the process) cannot be interrupted by JSON.parse; update the
assignment of inputs accordingly to use the guarded value.

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ℹ️ Review info

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Review profile: CHILL

Plan: Pro Plus

Run ID: 86c3a3df-8941-4d0f-80fb-43dd0041dfb5

📥 Commits

Reviewing files that changed from the base of the PR and between 1155470 and 496058d.

⛔ Files ignored due to path filters (1)

dist/index.js is excluded by !**/dist/**

📒 Files selected for processing (1)

src/index.ts

📜 Review details

🔇 Additional comments (2)

src/index.ts (2)

11-15: Good post/main dispatch split.

Using getState('is_post') to route between phases is clear and matches the intended GitHub Action lifecycle fix.

18-21: Good: inputs are persisted before main work starts.

Saving inputs up front reduces drift risk between main and post, especially for composite-action invocations.

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 5.0.0 to 6.1.0. ## Release notes Sourced from pnpm/action-setup's releases. ### v6.1.0 ### What's Changed - feat: support pnpm v12 by `@zkochan` in pnpm/action-setup#288 Full Changelog: pnpm/action-setup@v6.0.10...v6.1.0 ### v6.0.10 ### What's Changed - docs(README): point users to the successor pnpm/setup action by `@BlackHole1` in pnpm/action-setup#282 - refactor: introduce restore keys for cache by `@SukkaW` in pnpm/action-setup#280 - ci: use pnpm 11 for `pr-check` by `@jamietanna` in pnpm/action-setup#284 - fix: update pnpm to v11.19.0 by `@jamietanna` in pnpm/action-setup#283 - docs: update README to include devEngines.packageManager by `@nemchik` in pnpm/action-setup#273 ### New Contributors - `@jamietanna` made their first contribution in pnpm/action-setup#284 - `@nemchik` made their first contribution in pnpm/action-setup#273 Full Changelog: pnpm/action-setup@v6...v6.0.10 ### v6.0.9 ### What's Changed - fix: update pnpm to v11.7.0 by `@zkochan` in pnpm/action-setup#267 Full Changelog: pnpm/action-setup@v6...v6.0.9 ### v6.0.8 ### What's Changed - docs(README): fix `cache_dependency_path` type by `@haines` in pnpm/action-setup#257 - fix: drop patchPnpmEnv so standalone+self-update works on Windows by `@zkochan` in pnpm/action-setup#258 - fix: update pnpm to 11.1.1 by `@mungodewar` in pnpm/action-setup#248 ### New Contributors - `@mungodewar` made their first contribution in pnpm/action-setup#248 Full Changelog: pnpm/action-setup@v6.0.7...v6.0.8 ### v6.0.7 ### What's Changed - fix: honor devEngines.packageManager.onFail=error (#252) by `@zkochan` in pnpm/action-setup#254 - fix: restore inputs from state in post by `@haines` in pnpm/action-setup#255 - fix: self-update bootstrap to packageManager-pinned version (#233) by `@zkochan` in pnpm/action-setup#256 ### New Contributors - `@haines` made their first contribution in pnpm/action-setup#255 Full Changelog: pnpm/action-setup@v6.0.6...v6.0.7 ... (truncated) ## Commits - `ea17c68` feat: support pnpm v12 (#288) - `0977fd9` docs: Update README to include devEngines.packageManager (#273) - `48261ac` fix: update pnpm to v11.19.0 (#283) - `75677f7` ci: use pnpm 11 for `pr-check` (#284) - `769ae71` refactor: introduce restore keys for cache (#280) - `6fed91f` docs(README): point users to the successor pnpm/setup action (#282) - `0ebf471` fix: update pnpm to v11.7.0 (#267) - `0e279bb` fix: update pnpm to 11.1.1 (#248) - `3e83581` fix: drop patchPnpmEnv so standalone+self-update works on Windows (#258) - `551b42e` docs(README): fix `cache_dependency_path` type (#257) - Additional commits viewable in compare view

fix: restore inputs from state in post

496058d

coderabbitai Bot requested changes May 11, 2026

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Comment thread src/index.ts Resolved

coderabbitai Bot approved these changes May 11, 2026

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zkochan approved these changes May 11, 2026

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zkochan merged commit 7a5507b into pnpm:master May 11, 2026
17 checks passed

haines deleted the fix-inputs branch May 11, 2026 10:50

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fix: restore inputs from state in post - #255

fix: restore inputs from state in post#255
zkochan merged 1 commit into
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haines:fix-inputs

haines commented May 11, 2026 •

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haines commented May 11, 2026 •

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