name: Mirror to Bitbucket

on:
  push:
    branches:
      - main
  workflow_dispatch:

concurrency:
  group: mirror-to-bitbucket
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  mirror:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout GitHub repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Configure Git identity
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"

      - name: Adapt repository for Bitbucket mirror
        run: |
          set -euo pipefail

          # Replace main README only in the temporary GitHub Actions checkout.
          curl -fsSL \
            "https://raw.githubusercontent.com/igareck/GoldCaviar/main/Files/README-BITBUCKET.md" \
            -o README.md

          test -s README.md

          # Remove README variants that render poorly in Bitbucket.
          git rm -f README-EN-US.md README-FA-IR.md README-ZH-CN.md 2>/dev/null || true

          git add README.md

          if ! git diff --cached --quiet; then
            git commit -m "Adapt README files for Bitbucket mirror"
          else
            echo "No Bitbucket README adaptation changes"
          fi

      - name: Push main branch to Bitbucket
        env:
          BITBUCKET_TOKEN: ${{ secrets.BITBUCKET_MIRROR_TOKEN }}
        run: |
          set -euo pipefail

          git remote remove bitbucket 2>/dev/null || true
          git remote add bitbucket "https://x-token-auth:${BITBUCKET_TOKEN}@bitbucket.org/igareck/vpn-configs-for-russia.git"

          git push bitbucket HEAD:main --force