Auto-trigger release workflow on prepare-release PR merge#504
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The "Prepare release" workflow auto-merges its PR once CI passes; hooking the release workflow to that merge removes the manual step of dispatching it afterwards. Belt-and-suspenders `if:` filters reject fork PRs and non-Linguist authors, so only the auto-generated `prepare-release` PR can trigger a release. Manual `workflow_dispatch` is preserved for re-runs and dry-run testing. Pattern documented in heroku/languages-github-actions#358.
schneems
approved these changes
May 19, 2026
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The "Prepare release" workflow already auto-merges its PR once CI passes. Hooking the release workflow to that merge removes the manual step of dispatching it afterwards.
Belt-and-suspenders
if:filters reject fork PRs and non-Linguist authors, so only the auto-generatedprepare-releasePR can trigger a release. Manualworkflow_dispatchis preserved for re-runs and dry-run testing.Pattern documented in heroku/languages-github-actions#358; first applied (and validated end-to-end) in heroku/buildpacks-dotnet#425.