ci: gate Java CI and docs builds on relevant file changes - #196
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Adds a dorny/paths-filter change-detection job to each workflow so the Gradle matrix skips docs-only PRs and MkDocs skips build-only PRs, while gated jobs still resolve (as skipped) so ruleset-required checks never hang.
📝 WalkthroughWalkthroughThe Java CI and documentation workflows now detect relevant file changes before running their build jobs. Documentation checks still run for every pull request and push to ChangesWorkflow change filtering
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~10 minutes Change: Feature Merge Risk: 🟠 High · up to Non-Java pull requests can remain blocked because the required Java 21 and Java 25 checks never appear. Move the condition below matrix creation before merging. 🚥 Pre-merge checks | ✅ 4✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In @.github/workflows/build.yml:
- Line 51: Update the build workflow condition associated with the build job so
the Java matrix entries Build (Java 21) and Build (Java 25) are always created
even when needs.changes.outputs.java is false. Move the Java-change condition
from jobs.build.if to the build steps, or introduce per-version wrapper jobs
that preserve both required check names while skipping only the expensive work.
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Summary
build.yml): every PR to main triggers unfiltered, so required checks are always created. Pushes to main are path-filtered to the same Java/build-relevant set used by change detection, so unrelated pushes no longer start the workflow. Achangesjob detects Java/build-relevant files and gates theBuild (Java 21/25)matrix; matrix semantics are unchanged (21 = toolchain baseline, tests on both legs, Sonar on 21 only).docs-pages.yml): every PR to main triggers unfiltered; pushes to main are path-filtered to docs-relevant files. MkDocs runs only when docs-relevant files changed; manualworkflow_dispatchalways builds since there is no PR diff. Explicit job names: Documentation build and Documentation deploy (deploy stays push-to-main only; no deploy from PRs).if: always(), no build work, minimaltest-based logic) own the required-check contract:dorny/paths-filter@ceb8a2b8(v4.0.3, SHA-pinned), no other third-party actions added.Required-check contract
Configure exactly these as required in the repository ruleset: Java CI required, Documentation required. The matrix legs (
Build (Java 21/25)),Documentation build,Documentation deploy, andDetect changesremain visible but are not required checks.