Fail CI when Gradle matrix generation fails

[kiview]

The dynamic Gradle matrix steps pipe Gradle output through jq. GitHub Actions runs these scripts with bash -e but without pipefail, so jq can return success after Gradle fails and leave the downstream matrix jobs skipped.

Enable pipefail for both filtered matrix-generation pipelines so Gradle failures fail the producer job. Successful empty matrices remain valid and continue to produce no matrix entries.

Summary by CodeRabbit

• Bug Fixes
  • Improved build verification so failures in Gradle task discovery are correctly reported in continuous integration checks.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 01c4c45f-62cf-43bf-be37-9f949eb3fc81

📥 Commits

Reviewing files that changed from the base of the PR and between 2f4475a and 9ad3b23.

📒 Files selected for processing (1)

• .github/workflows/ci.yml

Included review availability: Your plan provides up to 8 included reviews per hour; 7 remain after this review.

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📝 Walkthrough

Walkthrough

The CI workflow enables pipefail in regular and documentation-example Gradle task-discovery scripts. Piped command failures now propagate to the workflow.

Changes

CI failure propagation

Layer / File(s)	Summary
Task-discovery pipeline handling .github/workflows/ci.yml	The regular and documentation-example job-discovery scripts enable pipefail before running piped Gradle task-generation commands.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 9ad3b

This localized workflow change makes Gradle matrix-generation failures fail CI as intended, with no actionable merge-blocking risk remaining after normal checks and review.

Suggested reviewers: eddumelendez, pioorg

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: propagating Gradle matrix-generation failures to CI.
Description check	✅ Passed	The description explains the affected pipelines, the failure behavior, the pipefail fix, and the handling of valid empty matrices. It satisfies the repository template's requirement for a brief chan…
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Description check

Explanation

The description explains the affected pipelines, the failure behavior, the pipefail fix, and the handling of valid empty matrices. It satisfies the repository template's requirement for a brief change description and context.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

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