mirror of
https://github.com/ryan4yin/nix-config.git
synced 2026-11-13 12:13:46 +01:00
Ryan Yin
94312fc2e5
Gitee's SSH gateway intermittently accepts the connection and key, then never answers the initial git-receive-pack and drops the session ~100s later with "the remote end hung up upon initial contact". The same failure mode shows up sporadically since 2026-10-02 and spiked on 2026-10-07 (9 of 14 runs failed). Bound each push attempt with `timeout`, retry up to six times with exponential backoff, and add ssh connect/keepalive timeouts. Serialize runs (a push to main and a tag on the same commit used to race for Gitee's per-repo push lock), cap the job at 30 minutes, and allow manual workflow_dispatch reruns.
76 lines
2.9 KiB
YAML
76 lines
2.9 KiB
YAML
name: Mirror this repo to Gitee
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on:
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push:
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branches:
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- main
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tags:
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- "*"
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workflow_dispatch:
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permissions:
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contents: read
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# A push to main and a tag on the same commit each trigger a run. Queue them so
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# two runs never race for Gitee's per-repo push lock.
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concurrency:
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group: mirror-to-gitee
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cancel-in-progress: false
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jobs:
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mirror:
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runs-on: ubuntu-latest
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timeout-minutes: 30
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steps:
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- uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5
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with:
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fetch-depth: 0
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- name: Pin the Gitee host key
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run: |
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mkdir -p ~/.ssh
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cat > ~/.ssh/known_hosts <<'HOSTS'
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gitee.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEKxHSJ7084RmkJ4YdEi5tngynE8aZe2uEoVVsB/OvYN
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gitee.com ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDMzG3r+88lWSDK9fyjcZmYsWGDBDmGoAasKMAmjoFloGt9HRQX2Qp4f9FY2XK/hsHYinvoh5Xytl9iaUNUWMfYR8q6VEMtOO87DgoAFcfKZHt0/nbAg9RoNTKYt6v8tPwYpr7N0JP/01nE4LFsNDnstr6H0bXSAzbKWCETLZfdPV4l2uSpRn3bU0ugoZ0aSKz5Dc/IloBfGCTvkSsxUydMRd/Chpjt6VxncDbp+Fa6pzsseK8OQzrg6Fgc5783EN3EQqZ2skqyCwExtx95BJlfx1B3luZnWfpkwNDnrZRT/Qx0OrWqyf0q6f9uQr+UG1S8qDcUn3e/9onq3rwBri8/
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HOSTS
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chmod 600 ~/.ssh/known_hosts
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- name: Mirror repo to Gitee
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id: mirror-to-gitee
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shell: bash
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env:
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INPUT_SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY_GITEE_MIRROR }}
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INPUT_TARGET_REPO_URL: git@gitee.com:ryan_yin/nix-config.git
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run: |
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set -eu
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echo "$INPUT_SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
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chmod 600 ~/.ssh/id_rsa
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export GIT_SSH_COMMAND="ssh -i ~/.ssh/id_rsa -o IdentitiesOnly=yes -o StrictHostKeyChecking=yes -o UserKnownHostsFile=$HOME/.ssh/known_hosts -o ConnectTimeout=20 -o ServerAliveInterval=20 -o ServerAliveCountMax=3"
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git remote add mirror "$INPUT_TARGET_REPO_URL"
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# Gitee's SSH gateway intermittently accepts the connection and key,
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# then never answers the initial git-receive-pack and drops the
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# session about 100s later ("the remote end hung up upon initial
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# contact"). Bound each attempt so a stuck session cannot hang the
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# job, and retry with backoff.
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attempts=6
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for attempt in $(seq 1 "$attempts"); do
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echo "::group::Mirror attempt $attempt/$attempts"
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if timeout --kill-after=15s 120s \
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git push --tags --force --prune mirror "refs/remotes/origin/*:refs/heads/*"; then
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echo "::endgroup::"
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echo "Mirrored to Gitee on attempt $attempt"
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exit 0
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fi
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echo "::endgroup::"
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if [ "$attempt" -lt "$attempts" ]; then
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delay=$((15 * 2 ** (attempt - 1)))
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echo "Attempt $attempt failed; retrying in ${delay}s"
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sleep "$delay"
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fi
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done
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echo "::error::failed to mirror to Gitee after $attempts attempts" >&2
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exit 1
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