Add GitHub Actions workflow to post PR build artifact links#2638
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sensei-hacker merged 1 commit intoMay 25, 2026
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Add a save-pr-number job to ci.yml that uploads the PR number as an artifact on pull_request events. This allows a downstream workflow_run job to identify which PR triggered the build. Add pr-test-builds.yml that triggers via workflow_run (not pull_request) so it has write permissions even for fork PRs. After CI succeeds, it downloads the pr-number artifact, then posts or updates a comment on the PR with a link to the GitHub Actions run where build artifacts for all platforms can be downloaded. Platforms covered: Windows x64/x32, macOS arm64/x64, Linux x64/aarch64.
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Summary
save-pr-numberjob toci.ymlthat saves the PR number as an artifact onpull_requestevents (skipped onworkflow_callrelease builds)pr-test-builds.ymlthat triggers viaworkflow_runafter "Build Configurator" succeeds, then posts or updates a PR comment with a link to the build artifactsWhy workflow_run instead of pull_request
Using
pull_requestfrom a fork runs with restricted permissions — the job cannot write PR comments. Theworkflow_runtrigger runs in the context of the base repo with fullGITHUB_TOKENpermissions, so it works for fork PRs without any PAT token.Changes
.github/workflows/ci.yml— newsave-pr-numberjob uploads PR number artifact (PR events only).github/workflows/pr-test-builds.yml— new workflow: downloads pr-number → validates → posts/updates PR comment with artifacts URLComment format
The comment uses
<!-- pr-test-build-configurator -->as a marker so subsequent pushes update the same comment rather than creating duplicates.Platforms listed: Windows x64/x32, macOS arm64/x64, Linux x64/aarch64.
A GitHub login is required to download artifacts (acceptable — testers already have GitHub accounts to post test comments).
Testing
The
workflow_runtrigger cannot be tested via draft PR alone — it activates once CI completes on a real PR. The logic is adapted directly from the firmware repo'spr-test-builds.ymlwhich is already proven in production.