sync-to-readthedocs-repo.yaml

name: "sync-to-readthedocs-repo"

on:
  workflow_dispatch:
  push:
    branches:
      - main
      - latest
      - develop
      - 'pre/*'
      - 'demo/test/*'
    tags:
      - 'v*'
      - 'demo/*'

jobs:
  extract_branch_or_tag:
    outputs:
      ref_name: ${{ steps.extract.outputs.ref_name }}
    runs-on: ubuntu-latest
    steps:
      - id: extract
        name: Extract branch or tag name
        shell: bash
        run: |
          REF_NAME="${GITHUB_REF#refs/*/}"
          echo "::set-output name=ref_name::$REF_NAME"
          echo "Extracted ref: $REF_NAME"

  build-and-deploy:
    permissions:
      contents: write
    needs: extract_branch_or_tag
    runs-on: ubuntu-latest
    steps:
      # Conditional Checkout for Branch
      - name: Checkout Branch if branch-triggered-sync
        if: contains(github.ref, 'refs/heads/')
        uses: actions/checkout@v3
        with:
          submodules: true
          token: ${{ secrets.GH_PAT }}
          ref: ${{ needs.extract_branch_or_tag.outputs.ref_name }}

      # Conditional Checkout for Tag
      - name: Checkout Tag if tag-triggered-sync
        if: contains(github.ref, 'refs/tags/')
        uses: actions/checkout@v3
        with:
          submodules: true
          token: ${{ secrets.GH_PAT }}
          fetch-depth: 0
          ref: ${{ needs.extract_branch_or_tag.outputs.ref_name }}
          fetch-tags: true

      - name: Push corresponding reference to mirror repo
        run: |
          git fetch --unshallow origin ${{ needs.extract_branch_or_tag.outputs.ref_name }}
          git pull origin ${{ needs.extract_branch_or_tag.outputs.ref_name }}
          git remote add mirror https://github.com/flexcompute-readthedocs/tidy3d-docs.git
          git push mirror ${{ needs.extract_branch_or_tag.outputs.ref_name }} --force # overwrites always
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}