forked from heavy-duty/rig
feat: merging a release-labeled PR is the release (#47)
The rig twin of heavy-duty/box#96, from the release-ceremony retro: the tag was a separate, manual, silent-when-forgotten step, and a forgotten tag produces no red X — the worst failure shape. The ship decision already lives in the release PR; merging it is "ship". After that, tagging is transcription, and transcription belongs to machines. release.yml now also fires on pull_request closed into main, gated on merged AND the `release` label. The job asserts in order, each fail-loud and creating nothing: VERSION at the merge commit is non--dev; VERSION changed in THIS PR (base vs merge — the interlock that fails a mislabeled ordinary PR); the changelog section for that version extracts non-empty via the existing changelog_section from release-lib.sh; and no tag or release exists yet. Then, in the same job, it API-creates the tag at the merge commit and publishes the release with the extracted notes. Same-job is load-bearing: a GITHUB_TOKEN-created tag does not fire the tag-push trigger, so the publish must live next to the tag and the fallback job cannot double-publish; the nothing-exists assert covers a manual race. The tag-push path survives verbatim as the documented manual fallback and backfill, and CONTRIBUTING's Releasing section now reads merge-is-ship with the manual tag as fallback. test/release.sh pins the merge path in the house grep-pin style: the merged+labeled gate, the four asserts, the same-job tag+publish (awk from release-on-merge: to EOF), the asserts-precede-the-tag ordering, and the surviving tag-push trigger. Fixes #47 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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4 changed files with 191 additions and 18 deletions
123
.github/workflows/release.yml
vendored
123
.github/workflows/release.yml
vendored
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@ -1,25 +1,39 @@
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name: release
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# The tag half of the release flow (#32; box#83's design, near-verbatim).
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# A release is a PR, then a tag: the `release: X.Y.Z` PR bumps VERSION and
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# stamps CHANGELOG.md's Unreleased section with version + date; after the
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# merge, the merge commit is tagged bare `X.Y.Z` (no `v` prefix — box's tag
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# scheme) and the tag is pushed. This workflow turns that tag into the
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# GitHub release, with the changelog section as the body — the curated
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# prose, never the auto-generated PR list.
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# Two ways in, one release out (#47; box#96's design — the merge path — on
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# top of #32/box#83's tag flow, kept verbatim as the fallback):
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#
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# No assets on purpose: for a pure-bash tree, GitHub's source tarball for
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# the tag IS the package (install.sh downloads archive/refs/tags/<tag>).
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# - MERGE (the paved road): a release is a PR — `release: X.Y.Z`, carrying
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# the `release` label, bumping VERSION and stamping CHANGELOG.md's
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# Unreleased section — and MERGING it is the ship decision. The
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# release-on-merge job asserts its way to certainty, then tags the merge
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# commit and publishes, same job. No separate, silent-when-forgotten
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# tagging step: a forgotten tag produces no red X, a failed run on main
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# does — of two unreliabilities, pick the loud one.
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# - TAG PUSH (the manual fallback and backfill): tag the merge commit bare
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# `X.Y.Z` (no `v` prefix — box's tag scheme) and push; the release job
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# below turns it into the GitHub release.
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#
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# Either way the body is the changelog section — the curated prose, never
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# the auto-generated PR list — and no assets are uploaded on purpose: for a
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# pure-bash tree, GitHub's source tarball for the tag IS the package
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# (install.sh downloads archive/refs/tags/<tag>).
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on:
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push:
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# Every tag, not a shape filter: a tag that mismatches VERSION must fail
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# LOUDLY below, not be silently skipped by a pattern that didn't match.
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tags: ['**']
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pull_request:
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types: [closed]
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branches: [main]
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permissions:
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contents: write
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jobs:
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release:
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# The tag-push path, gated to push events so a closed PR never lands
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# here — the merge path is release-on-merge below.
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if: github.event_name == 'push'
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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@ -46,3 +60,94 @@ jobs:
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fi
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gh release create "$GITHUB_REF_NAME" --verify-tag \
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--title "$GITHUB_REF_NAME" --notes "$notes"
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# The merge path (#47; box#96): the `release` label is the intent, the
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# VERSION transition is the interlock. Four asserts in order, each
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# fail-loud and creating NOTHING, then tag + publish in this same job.
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# Same-job is load-bearing: the tag is created with GITHUB_TOKEN via the
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# API, and GITHUB_TOKEN-created refs do not fire `on: push: tags`
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# workflows — so the publish MUST live here (nothing else would run), and
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# the fallback job above CANNOT double-publish off our tag. A manually
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# pushed tag racing this run is caught by the nothing-exists assert.
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# NOTE: test/release.sh pins this block by awk-ing from
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# 'release-on-merge:' to EOF — keep it the last job.
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release-on-merge:
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if: >-
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github.event_name == 'pull_request' &&
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github.event.pull_request.merged == true &&
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contains(github.event.pull_request.labels.*.name, 'release')
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runs-on: ubuntu-latest
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env:
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MERGE_SHA: ${{ github.event.pull_request.merge_commit_sha }}
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BASE_SHA: ${{ github.event.pull_request.base.sha }}
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steps:
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- uses: actions/checkout@v4
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with:
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# The merge commit is what ships — not the PR merge ref, which
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# stops meaning anything once the PR closes. Full history so the
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# base-side VERSION is readable for the interlock below.
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ref: ${{ github.event.pull_request.merge_commit_sha }}
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fetch-depth: 0
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# Assert 1 — the merged tree says it is a release. A `-dev` VERSION
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# here means the label lied (or the ceremony PR forgot the bump).
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- name: assert the merged tree is a release (non-dev VERSION)
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run: |
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ver="$(cat VERSION)"
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case "$ver" in
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*-dev)
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echo "VERSION '$ver' is still -dev — a release PR ships a bare X.Y.Z; refusing to release a dev tree" >&2
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exit 1 ;;
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esac
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# Assert 2 — THIS PR is the one that changed VERSION (base vs merge).
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# The `-dev` transition as a safety interlock: an ordinary PR someone
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# mislabels `release` fails here loudly instead of shipping main
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# under a version some earlier PR minted.
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- name: assert VERSION changed in this PR (the mislabel interlock)
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run: |
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ver="$(cat VERSION)"
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base_ver="$(git show "$BASE_SHA:VERSION")"
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if [ "$base_ver" = "$ver" ]; then
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echo "VERSION did not change in this PR ('$ver' before and after) — a 'release'-labeled PR must be the ceremony PR that bumps it; refusing to release" >&2
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exit 1
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fi
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# Assert 3 — the changelog names exactly this version, and the one
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# extractor (shared with the tag job and test/release.sh) gets a
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# non-empty body out of it. The notes are kept for the publish.
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- name: assert the changelog section for this version extracts
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run: |
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. .github/scripts/release-lib.sh
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ver="$(cat VERSION)"
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changelog_section CHANGELOG.md "$ver" > "$RUNNER_TEMP/notes.md"
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if [ ! -s "$RUNNER_TEMP/notes.md" ]; then
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echo "CHANGELOG.md has no '## $ver' section at the merge commit — the ceremony PR must stamp it; refusing to publish an empty release" >&2
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exit 1
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fi
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cat "$RUNNER_TEMP/notes.md"
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# Assert 4 — nothing exists yet, tag or release: a re-run of this job
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# (or a manual tag that beat it) must refuse, not clobber.
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- name: assert no tag and no release exist yet (idempotent re-runs)
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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ver="$(cat VERSION)"
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if git ls-remote --exit-code origin "refs/tags/$ver" >/dev/null 2>&1; then
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echo "tag '$ver' already exists — this release already happened (or is mid-flight on the manual path); refusing to re-release" >&2
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exit 1
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fi
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if gh release view "$ver" -R "$GITHUB_REPOSITORY" >/dev/null 2>&1; then
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echo "release '$ver' already exists — refusing to re-release" >&2
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exit 1
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fi
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# Act — tag the merge commit via the API, then publish with the notes
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# assert 3 extracted. (GITHUB_TOKEN-created tag: no recursive
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# workflow runs — see the job comment.)
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- name: tag the merge commit and publish the release
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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ver="$(cat VERSION)"
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gh api -X POST "repos/$GITHUB_REPOSITORY/git/refs" \
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-f ref="refs/tags/$ver" -f sha="$MERGE_SHA"
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gh release create "$ver" --verify-tag \
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--title "$ver" --notes-file "$RUNNER_TEMP/notes.md" \
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-R "$GITHUB_REPOSITORY"
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14
CHANGELOG.md
14
CHANGELOG.md
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@ -36,6 +36,20 @@ on the way to cutting its first release, and this file starts there.
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### Added
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- **Merging a release-labeled PR IS the release** (#47) — the rig twin of
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heavy-duty/box#96, born of the ceremony retro: the tag was a separate,
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manual, silent-when-forgotten step, and a forgotten tag produces no red
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X. `release.yml` now also fires when a PR into main closes, gated on
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merged AND the `release` label, and asserts in order — fail-loud,
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creating nothing: `VERSION` at the merge commit is non-`-dev`; `VERSION`
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*changed in this PR* (the interlock that fails a mislabeled ordinary PR);
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the changelog section for that version extracts non-empty via the same
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`changelog_section`; no tag or release exists yet. Then, in the same job,
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it API-creates the tag at the merge commit and publishes the release with
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the extracted notes. A `GITHUB_TOKEN`-created tag never fires the
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tag-push trigger, so the paths cannot double-publish — and that tag-push
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path survives intact as the documented manual fallback and backfill.
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- **Tagged releases, and an installer that installs them** (#32) — the rig
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half of the flow designed in heavy-duty/box#83, near-verbatim. A release
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is a PR, then a tag: the `release: X.Y.Z` PR bumps `VERSION` and stamps
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@ -46,20 +46,31 @@ labels tell you where everything is without opening anything.
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## Releasing
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A release is a PR, then a tag (#32; box#83's design):
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A release is a PR, and merging it is the release (#47; box#96's design, on
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top of #32/box#83's tag flow):
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1. A small PR — `release: X.Y.Z` — bumps `VERSION` from `X.Y.Z-dev` and
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stamps `CHANGELOG.md`'s Unreleased section as `## X.Y.Z — YYYY-MM-DD`.
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CI green on it, same loop as any PR.
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2. Merge, tag the merge commit bare `X.Y.Z` (no `v` prefix — box's tag
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scheme), push the tag. `release.yml` asserts tag == `VERSION` (a
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mismatch fails loudly and creates nothing) and creates the GitHub
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release with that version's changelog section as the body. No assets —
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the source tarball for the tag is the package `install.sh` downloads.
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1. A small PR — `release: X.Y.Z`, carrying the `release` label — bumps
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`VERSION` from `X.Y.Z-dev` and stamps `CHANGELOG.md`'s Unreleased
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section as `## X.Y.Z — YYYY-MM-DD`. CI green on it, same loop as any PR.
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2. Merge it — that IS the ship decision. `release.yml`'s
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`release-on-merge` job asserts, in order, fail-loud, creating nothing:
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the merged tree's `VERSION` is non-`-dev`; this PR is the one that
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changed it (a mislabeled ordinary PR fails here); the changelog section
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for that version extracts non-empty; no tag or release exists yet.
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Then, same job, it tags the merge commit bare `X.Y.Z` (no `v` prefix —
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box's tag scheme) and publishes the GitHub release with that section as
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the body. No assets — the source tarball for the tag is the package
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`install.sh` downloads.
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3. A follow-up (or the next feature PR) bumps main's `VERSION` to
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`X.Y.(Z+1)-dev`, so a dev install never impersonates the release in the
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`versions/<v>` layout.
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Manual fallback (and backfill): if the merge-path run fails, fix what it
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named, then tag the merge commit `X.Y.Z` by hand and push the tag — the
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original tag-push job still turns any correct tag into the release, and
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the merge path's nothing-exists-yet assert keeps the two from
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double-publishing.
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## Labels — who sets what
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The full taxonomy lives in [LABELS.md](LABELS.md). What matters day to day is
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@ -130,6 +130,49 @@ create_at="$(grep -n "gh release create" "$RY" | head -n1 | cut -d: -f1)"
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check "release.yml: the assert precedes the create" \
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0 "" test "${assert_at:-999999}" -lt "${create_at:-0}"
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# --- release.yml, the merge path: the pins (#47; box#96's design) ------------
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# Merging the release-labeled ceremony PR IS the release. Same grep-pin
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# treatment for the merge path's load-bearing pieces: the gate, the four
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# fail-loud asserts, the same-job tag+publish, and the surviving tag-push
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# fallback.
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check "release.yml: fires when a PR into main closes (merge = ship)" 0 "" \
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grep -qF "pull_request:" "$RY"
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check "release.yml: only a MERGED PR releases (closed-unmerged never fires)" 0 "" \
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grep -qF "github.event.pull_request.merged == true" "$RY"
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check "release.yml: only the 'release' label carries the intent" 0 "" \
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grep -qF "contains(github.event.pull_request.labels.*.name, 'release')" "$RY"
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check "release.yml: assert 1 — a still-dev VERSION refuses" 0 "" \
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grep -qF "refusing to release a dev tree" "$RY"
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check "release.yml: assert 2 — an unchanged VERSION refuses (the mislabel interlock)" 0 "" \
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grep -qF "VERSION did not change in this PR" "$RY"
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check "release.yml: assert 3 — an empty section refuses to publish" 0 "" \
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grep -qF "refusing to publish an empty release" "$RY"
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check "release.yml: assert 4 — an existing tag or release refuses (idempotent)" 0 "" \
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grep -qF "refusing to re-release" "$RY"
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# Same-job matters: a GITHUB_TOKEN-created tag fires no tag-push workflow,
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# so the publish must live NEXT TO the tag creation. The workflow keeps
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# release-on-merge as its last job (pinned by comment there) so the awk
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# range runs to EOF; both acts must land inside it.
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MJOB="$(awk '/^ release-on-merge:/,0' "$RY")"
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mjob_has() { printf '%s' "$MJOB" | grep -qF -e "$1"; }
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check "release.yml: the merge job API-creates the tag itself" 0 "" \
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mjob_has "git/refs"
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check "release.yml: ...at the MERGE commit" 0 "" mjob_has "merge_commit_sha"
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check "release.yml: ...and publishes in the SAME job" 0 "" \
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mjob_has "gh release create"
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# Ordering, the marker-then-box idiom again: the last assert's refusal must
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# precede the tag creation (asserts first, acts last; defaults fail closed).
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massert_at="$(grep -n "refusing to re-release" "$RY" | head -n1 | cut -d: -f1)"
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mtag_at="$(grep -n "git/refs" "$RY" | head -n1 | cut -d: -f1)"
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check "release.yml: the merge-path asserts precede the tag" \
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0 "" test "${massert_at:-999999}" -lt "${mtag_at:-0}"
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# ...and the manual path SURVIVES: tag-push trigger plus a push-gated job,
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# the documented fallback and backfill.
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check "release.yml: the tag-push trigger survives (manual fallback intact)" 0 "" \
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grep -qF "tags: ['**']" "$RY"
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check "release.yml: the fallback job is gated to push events" 0 "" \
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grep -qF "github.event_name == 'push'" "$RY"
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# --- the installer's ref logic, extracted ------------------------------------
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# install.sh must stay a single curl|bash file, so its channel functions live
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# inline; extract them here and drive them for real (the valid_version awk
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Reference in a new issue