Hunter Bown
c188cade88
`--force-with-lease` without an explicit value uses `refs/remotes/<remote>/main` as the lease ref. The CNB push remote is added fresh inside each workflow run (`git remote add cnb …`) without a prior fetch, so that lease ref never exists in the runner's local clone. The lease check then misfires with `! [rejected] HEAD -> main (stale info)` even when CNB is correctly behind GitHub. Plain `--force` is the right primitive here: the CNB mirror is one-way by design, so there's no contributor work on the CNB side to protect against. The lease safety would only matter in a multi-writer scenario, which we explicitly don't run. Confirmed via failing run 25714171752 (2026-05-12T04:53:13Z) where all three retry attempts failed with the same stale-info error even though CNB was simply behind GitHub by two scrub commits.
111 lines
4.5 KiB
YAML
111 lines
4.5 KiB
YAML
name: Sync to CNB
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# Mirror commits and release tags to cnb.cool/deepseek-tui.com/DeepSeek-TUI
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# so users behind GitHub-blocking networks can fetch the source and tagged
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# releases from the Tencent-hosted mirror.
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#
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# Triggers:
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# * push to main → mirrors that commit to CNB main
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# * tag matching v* → mirrors that tag to CNB
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# * workflow_dispatch → manual fallback if either of the above fails
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#
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# Why the rewrite (v0.8.31):
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# The previous implementation used the opaque tencentcom/git-sync Docker
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# action, which discovered every local ref via fetch-depth: 0 and tried
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# to push them all — including dependabot/* branches that GitHub had
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# locally. Those follow-on pushes ran without the configured credential
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# helper in scope and failed with
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# `fatal: could not read Username for 'https://cnb.cool'`
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# No concurrency block meant the main-push and tag-push workflow runs
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# that auto-tag.yml fires within seconds of each other raced. About
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# half of recent runs failed for those two reasons combined.
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on:
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push:
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branches: [main]
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tags: ['v*']
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workflow_dispatch: {}
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# Serialize runs so the back-to-back main-push + tag-push from auto-tag.yml
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# don't race each other rebasing onto CNB. cancel-in-progress: false so
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# every commit actually arrives — we'd rather queue than drop.
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concurrency:
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group: cnb-sync
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cancel-in-progress: false
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permissions:
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contents: read
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jobs:
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sync:
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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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with:
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fetch-depth: 0
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- name: Push triggering ref to CNB
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env:
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CNB_TOKEN: ${{ secrets.CNB_GIT_TOKEN }}
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shell: bash
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run: |
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set -euo pipefail
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if [ -z "${CNB_TOKEN:-}" ]; then
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echo "::error::CNB_GIT_TOKEN secret is not set; cannot push to CNB." >&2
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exit 1
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fi
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# URL-encode any '%' in the token so basic-auth doesn't break on
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# special characters. CNB tokens are typically alphanumeric so
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# this is belt-and-suspenders.
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ENCODED_TOKEN="$(printf '%s' "${CNB_TOKEN}" | python3 -c 'import sys, urllib.parse; print(urllib.parse.quote(sys.stdin.read(), safe=""))')"
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REMOTE_URL="https://cnb:${ENCODED_TOKEN}@cnb.cool/deepseek-tui.com/DeepSeek-TUI.git"
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# Use a masked alias so the token never appears in log lines.
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git remote add cnb "${REMOTE_URL}"
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# Push with retry on transient failures (CNB rate-limits, DNS
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# blips, etc.). Args after `kind` are forwarded to `git push`
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# so callers can pass `--force-with-lease`, multiple refspecs,
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# etc. without quoting them into one string.
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push_with_retry() {
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local kind="$1"
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shift
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local attempt
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for attempt in 1 2 3; do
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echo "Attempt ${attempt}: pushing ${kind} to CNB"
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if git push cnb "$@" 2>&1; then
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echo "Successfully pushed ${kind} to CNB"
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return 0
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fi
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if [ "${attempt}" -lt 3 ]; then
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sleep $((attempt * 5))
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fi
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done
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echo "::error::Failed to push ${kind} to CNB after 3 attempts" >&2
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return 1
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}
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if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
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TAG="${GITHUB_REF#refs/tags/}"
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push_with_retry "tag ${TAG}" "refs/tags/${TAG}:refs/tags/${TAG}"
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elif [[ "${GITHUB_REF}" == refs/heads/main ]]; then
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# Plain --force. The CNB mirror is one-way by design —
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# nothing else pushes to it, so there's no contributor work
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# to protect against. `--force-with-lease` would be safer
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# in a multi-writer scenario, but in our setup the lease
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# check requires `refs/remotes/cnb/main` to exist in the
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# runner's local clone, which it never does (we add `cnb`
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# as a fresh remote in this step and don't fetch first).
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# That made the lease check spuriously fail with
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# `! [rejected] HEAD -> main (stale info)` even when CNB
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# was actually behind GitHub.
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push_with_retry "main" HEAD:refs/heads/main --force
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else
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# workflow_dispatch from a non-main branch — push that branch
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# too, but never force. Useful for testing the mirror against
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# a feature branch before merging.
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BRANCH="${GITHUB_REF#refs/heads/}"
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push_with_retry "branch ${BRANCH}" "HEAD:refs/heads/${BRANCH}"
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fi
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