🔧 Improve sync action between frontend and docs repos #506

	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 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 }}

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