Merge `tidy3d` and `docs` no history #1

	name: sync-to-readthedocs-repo
	on:
	push:
	branches:
	- main
	- latest
	- repo_merge_no_history
	pull_request:
	branches:
	- develop
	- 'pre/*'
	- poetry_upgrade
	workflow_dispatch:
	inputs:
	env:
	description: environment
	default: dev
	required: true
	jobs:
	set_env:
	outputs:
	env: ${{ steps.setenv.outputs.env }}
	dest-branch: ${{ steps.dest-branch.outputs.branch }}
	runs-on: ubuntu-latest
	steps:
	- id: setenv
	run: \|
	if test -n "${{ github.event.inputs.env }}"
	then
	echo "::set-output name=env::${{ github.event.inputs.env }}"
	echo "ENV=${{ github.event.inputs.env }}" >> $GITHUB_ENV
	elif test "${{ github.event_name }}" = 'push' -a "${{ github.ref }}" = 'refs/heads/latest'
	then
	echo "::set-output name=env::dev"
	echo "ENV=dev" >> $GITHUB_ENV
	elif test "${{ github.event_name }}" = 'push' -a "${{ github.ref }}" = 'refs/heads/main'
	then
	echo "::set-output name=env::prod"
	echo "ENV=prod" >> $GITHUB_ENV
	else
	echo "::set-output name=env::dev"
	echo "ENV=dev" >> $GITHUB_ENV
	fi
	- id: dest-branch
	run: \|
	case ${{ env.ENV }} in
	dev)
	echo "::set-output name=branch::develop"
	;;
	prod)
	echo "::set-output name=branch::main"
	;;
	esac
	build-and-deploy:
	needs: set_env
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: .
	token: ${{ secrets.GH_RTD_PAT }}
	repository-name: flexcompute-readthedocs/tidy3d-docs-demo
	target-folder: .
	branch: ${{ needs.set_env.outputs.dest-branch }}

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