slickstack/.github/workflows/mirror-gitlab.yml at d09a1f500ab85eb9a1ff4bdd55a19f15b018cb9d · littlebizzy/slickstack · GitHub

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name: Mirror to GitLab

on:
  push:
    branches:
      - master
  workflow_dispatch:  # allow manual runs

concurrency:
  group: mirror-gitlab-master
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  mirror:
    if: github.ref == 'refs/heads/master'  # prevent other branches from mirroring
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0  # full history instead of a shallow clone
          persist-credentials: false

      - name: Setup SSH
        env:
          # private key from GitHub Actions secrets
          GITLAB_SSH_KEY: ${{ secrets.GITLAB_SSH_KEY }}
        run: |
          # require the private key
          if [[ -z "${GITLAB_SSH_KEY}" ]]; then
              echo "Missing GITLAB_SSH_KEY repository secret."
              exit 1
          fi

          # create the SSH directory
          mkdir -p "${HOME}/.ssh"
          chmod 700 "${HOME}/.ssh"

          # write and normalize the private key
          printf '%s\n' "${GITLAB_SSH_KEY}" | tr -d '\r' > "${HOME}/.ssh/gitlab"
          chmod 600 "${HOME}/.ssh/gitlab"

          # add GitLab to known hosts
          ssh-keyscan -H gitlab.com >> "${HOME}/.ssh/known_hosts"

      - name: Configure Git Remote
        run: |
          # add the GitLab mirror remote
          git remote add gitlab git@gitlab.com:littlebizzy/slickstack.git

      - name: Push to GitLab
        env:
          GIT_SSH_COMMAND: ssh -i "${HOME}/.ssh/gitlab" -o IdentitiesOnly=yes -o BatchMode=yes -o StrictHostKeyChecking=yes
        run: |
          # mirror GitHub master to GitLab
          git push gitlab +HEAD:refs/heads/master