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Devin FoleyandPaperclip
40701adecf
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - A master push publishes a canary from its exact source commit. > - The publisher now checks out that commit by SHA. Git leaves HEAD detached. > - The release script requires the local branch name to be master. > - This pull request verifies the trusted push and source before attaching local master at the same commit. > - The canary can pass the existing branch guard without following a newer master tip. ## Linked Issues or Issue Description Related: #15712 pinned the publisher checkout and bound the smoke lockfile to its source. I searched open PRs and issues for canary, detached HEAD, and checkout fixes. No overlapping fix was found. #15768 addresses a later tarball visibility error and does not change this branch guard. **What happened?** The canary publisher checks out the exact push SHA. The checkout is detached. `release.sh canary --skip-verify` then fails because the local branch is not master. Publication does not start. The [failed master run](https://github.com/paperclipai/paperclip/actions/runs/38008956836) shows this failure. **Expected behavior** The trusted master publisher must keep the exact verified push commit and pass the existing local master guard. It must not follow a newer branch tip. **Steps to reproduce** 1. Check out a master push commit by its full SHA. 2. Confirm that HEAD is detached. 3. Run the real `require_on_master_branch` helper from `scripts/release-lib.sh`. 4. Observe the detached-HEAD rejection. The tests reproduce this without calling a publisher. **Paperclip version or commit** `baa94bbea58919bcc6cf247a708f04e6e1002679`. **Deployment mode** The GitHub Actions master canary publishing lane. ## What Changed - Add one step immediately after the pinned publisher checkout. - Require the canonical repository, a push event, and the master ref before changing any Git ref. - Validate the full source SHA and require the checked-out HEAD to match it. - Attach local master to that exact SHA and recheck HEAD. Do not fetch or select a floating branch. - Preserve release scripts, local branch guards, package authentication, other publishing lanes, and source-named lockfile artifacts. - Add disposable real-Git tests for a pinned source behind local and remote master, rejected trust and SHA inputs, unchanged refs on rejection, and the original branch guard. Document the branch handoff. ## Verification - `node --test scripts/__tests__/release-verify-workflow.test.mjs scripts/cloud-source-verification.test.mjs scripts/standard-image-contract.test.mjs scripts/release-lib.test.mjs` passed all 82 tests on Node 25.6.1. Twelve new cases include eleven real-Git fixtures and one workflow invariant check. The tests run the actual workflow shell and the unchanged release guard. - `actionlint -shellcheck= .github/workflows/release.yml` passed. ShellCheck passed for the new shell. Full local actionlint reports four pre-existing advisories in other steps; their text matches the base exactly. This change adds no advisory. - Workspace `pnpm -r typecheck` and `pnpm build` passed on Node 25.6.1. The local tests cover the changed release flow; the full application test suite runs in hosted CI. - [Hosted full CI](https://github.com/paperclipai/paperclip/actions/runs/38011530698) passed all 47 jobs at commit `ffff774a2629663fa71e2fad5143da0696afc5e6`. This includes policy, typecheck, release registry, build, runner tests, application tests, browser tests, and the canary dry run. Hosted policy ran all 12 new guard tests and passed all 67 source-policy tests. - Greptile scored the same commit 5/5 with no actionable issues. There are zero review threads. Separate source review approved all three changed files and 32 dependencies. It passed 82 tests and caught four broken variants. - The supply chain scanner returned neutral with zero annotations. It cannot verify this inline workflow change and reports limited coverage for existing action references. Manual review confirmed that all action references and pins are unchanged. The security, Socket, and Snyk checks passed. - No live canary install, registry publication, Docker image operation, workflow rerun, or deployment was performed. Tests use disposable Git repositories and local fixtures. ## Risks Low risk. The new step changes only local Git state in the trusted canary publisher. A wrong event or source fails before ref changes. The original release and authentication guards remain in place. The exact checkout and artifact source stay unchanged. Revert the new step to restore the previous behavior. No runtime or database change is required. ## Model Used OpenAI GPT-6 through Codex. Used repository inspection, code execution, Git and Bash fixtures, and independent agent review. The runtime does not expose a more specific model snapshot or context-window size. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge Co-authored-by: Paperclip <noreply@paperclip.ing>