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Summary
Root-cause fix for
retarget-main-to-staging.ymlon Gitea. Same root-cause class as #65 / PR #66 (auto-sync) and #73 / PR #78 (auto-promote).Root cause (full Phase 1 in #74): the workflow used
gh api -X PATCH /pulls/{N},gh pr close, andgh pr commentagainst Gitea.gh pr *calls route through GraphQL (/api/graphql) which Gitea does not expose — every call returnsHTTP 405 Method Not Allowed. Thegh apiPATCH happens to use a REST path Gitea also has, butgh's host-resolution layer is unreliable against Gitea.Fix: replace all
ghcalls with directcurlGitea REST calls:PATCH /api/v1/repos/{owner}/{repo}/pulls/{index}body{"base": "staging"}— retargetPOST /api/v1/repos/{owner}/{repo}/issues/{index}/comments— post explainer (PRs are issues in Gitea)PATCH /api/v1/repos/{owner}/{repo}/pulls/{index}body{"state": "closed"}— close-as-redundant for the #1884 dup caseIdentity (anti-bot-ring)
Switch from
secrets.GITHUB_TOKEN(per-job ephemeral, narrow scope on Gitea Actions) tosecrets.AUTO_SYNC_TOKEN(devops-engineer persona). Same persona used by auto-sync (PR #66) and auto-promote (PR #78). Perfeedback_per_agent_gitea_identity_default.PR-edit and PR-comment operations do NOT require branch-protection bypass — they're metadata operations, not push operations. Token scope
push: true(which is repo-write in Gitea) is sufficient and bounded.Curl-status-capture pattern
Per
feedback_curl_status_capture_pollution: http_code is captured via-w "%{http_code}"to its own scalar, body goes to a tempfile, andset +e/-ebrackets ensure curl's non-zero-on-4xx doesn't pollute the script's exit chain. Pattern verified against the 422 duplicate-base case.Backwards compat
name:unchanged → required-check name parity preserved.pull_request_targetopened/reopened onbranches: [main].[bot]suffix,app/molecule-ai,molecule-ai[bot]) plus a new entry:devops-engineer(the persona used by auto-promote PR #78). The auto-promote PRs have head=staging so the head-ref guard skips them anyway, but adding the author entry is belt-and-suspenders.External pattern reference
GitLab's equivalent for retargeting MR base is
PUT /projects/:id/merge_requests/:iidwithtarget_branch. Gitea'sPATCH /pulls/{N}withbaseis the structurally identical operation. Both are simple REST PATCH; neither needs GraphQL.The dup-base auto-close pattern mirrors GitHub's
octocat/auto-merge-botand Drone's PR-mode auto-close — common shape for "if you can't retarget, prefer close-as-redundant over noisy red CI".Test plan
python3 -c "import yaml; yaml.safe_load(...)").swagger.v1.json).push: true).mainfrom a fork branch, observe:Hostile self-review (3 weakest spots)
grep -E "(pull request already exists for base branch 'staging'|already exists.*base.*staging)". If Gitea rewords its 422 message in a future release, this detection silently fails and we fail-loud (which is acceptable, but still — string-match vs. structured error is brittle). Mitigation: the regex covers two phrasings to be forward-compat. Long-term: file an upstream Gitea request for a structured error code.if [ "${STATUS}" != "201" ]warning-not-error path: retarget succeeds even if comment fails. Plus the.bodyfield is plain text in Gitea, not interpreted.pull_request_target, the retarget fails red and the bot's PR sits onmainuntil manually retriggered. The trigger event isn't re-fireable easily (no "rerun this workflow with same context" surface in Gitea Actions UI). Mitigation: med-priority, low-frequency workflow. Operator can manually retarget via Gitea UI as a fallback. Documented as failure mode B.Refs
feedback_per_agent_gitea_identity_default,feedback_fix_root_not_symptom,feedback_gitea_actions_migration_audit_pattern,feedback_curl_status_capture_pollutionRoot cause: same as #65/#73 — gh CLI calls Gitea GraphQL (/api/graphql) which returns HTTP 405. Specifically: - gh api -X PATCH /pulls/{N} sometimes works but is flaky on Gitea (depends on gh's host-resolution layer) - gh pr close / gh pr comment route through GraphQL → 405 Fix: replace all gh calls with direct curl REST calls to Gitea: - PATCH /api/v1/repos/{owner}/{repo}/pulls/{index} body {"base": "staging"} — retarget the PR base - POST /api/v1/repos/{owner}/{repo}/issues/{index}/comments — post the explainer comment (PRs are issues in Gitea, comments share the issue endpoint) - PATCH /api/v1/repos/{owner}/{repo}/pulls/{index} body {"state": "closed"} — close redundant PR for #1884 case Identity: switch from secrets.GITHUB_TOKEN (per-job ephemeral, narrow scope on Gitea) to secrets.AUTO_SYNC_TOKEN (devops-engineer persona). Same persona used by auto-sync (#66) and auto-promote (#78). Per feedback_per_agent_gitea_identity_default. PR-edit and comment do not need branch-protection bypass. Curl-status-capture pattern hardened per feedback_curl_status_capture_pollution: http_code via -w to its own scalar, body to a tempfile, set +e/-e bracket so curl's non-zero-on-4xx doesn't pollute the script's exit chain. Header comment block fully rewritten with 4 failure-mode runbooks (A: 422 dup-base, B: token rotated, C: PR deleted, D: filter mis-fire) per PR #66/#78's pattern. Refs: #65, #74, #196, PR #66 + #78 (canonical reference) Closes #74 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>Retarget-main-to-staging.yml rewrite. Manual-trigger only (operator on stack-PR rebases), not on critical CI path. Replaces gh api PATCH (Gitea 405) with direct REST PR-edit endpoint. 22/22 green. Hostile self-review noted 422 string-match brittleness (acceptable, documented). Ready.
Retarget-main-to-staging Gitea REST rewrite. Manual-trigger workflow only, not on critical CI path. Post-rebase clean (only Harness Replays informational red remains). Ready.