name: sync

on:
  schedule:
    - cron: '*/5 * * * *'
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  sync:
    if: github.server_url != 'https://github.com'
    runs-on: ubuntu-latest
    steps:
    - name: init
      run: |
        git config --global user.email "vtolstov <vtolstov@users.noreply.github.com>"
        git config --global user.name "github-actions[bot]"
        echo "machine git.unistack.org login vtolstov password ${{ secrets.TOKEN_GITEA }}" >> /root/.netrc
        echo "machine github.com login vtolstov password ${{ secrets.TOKEN_GITHUB }}" >> /root/.netrc

    - name: check master
      id: check_master
      run: |
        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
        echo "src_hash=$src_hash"
        echo "dst_hash=$dst_hash"
        if [ "$src_hash" != "$dst_hash" ]; then
          echo "sync_needed=true" >> $GITHUB_OUTPUT
        else
          echo "sync_needed=false" >> $GITHUB_OUTPUT
        fi

    - name: sync master
      if: steps.check_master.outputs.sync_needed == 'true'
      run: |
        git clone --filter=blob:none --filter=tree:0 --branch master --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
        cd repo
        git remote add --no-tags --fetch --track master upstream https://github.com/${GITHUB_REPOSITORY}
        git pull --rebase upstream master
        git push upstream master --progress
        git push origin master --progress
        cd ../
        rm -rf repo

    - name: check v3
      id: check_v3
      run: |
        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
        echo "src_hash=$src_hash"
        echo "dst_hash=$dst_hash"
        if [ "$src_hash" != "$dst_hash" ]; then
          echo "sync_needed=true" >> $GITHUB_OUTPUT
        else
          echo "sync_needed=false" >> $GITHUB_OUTPUT
        fi

    - name: sync v3
      if: steps.check_v3.outputs.sync_needed == 'true'
      run: |
        git clone --filter=blob:none --filter=tree:0 --branch v3 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
        cd repo
        git remote add --no-tags --fetch --track v3 upstream https://github.com/${GITHUB_REPOSITORY}
        git pull --rebase upstream v3
        git push upstream v3 --progress
        git push origin v3 --progress
        cd ../
        rm -rf repo

    - name: check v4
      id: check_v4
      run: |
        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
        echo "src_hash=$src_hash"
        echo "dst_hash=$dst_hash"
        if [ "$src_hash" != "$dst_hash" ]; then
          echo "sync_needed=true" >> $GITHUB_OUTPUT
        else
          echo "sync_needed=false" >> $GITHUB_OUTPUT
        fi

    - name: sync v4
      if: steps.check_v4.outputs.sync_needed == 'true'
      run: |
        git clone --filter=blob:none --filter=tree:0 --branch v4 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
        cd repo
        git remote add --no-tags --fetch --track v4 upstream https://github.com/${GITHUB_REPOSITORY}
        git pull --rebase upstream v4
        git push upstream v4 --progress
        git push origin v4 --progress
        cd ../
        rm -rf repo