ci: Use pkgdown branch (#473) #8

	# Push back changes to main actions-subtree repository
	on:
	push:
	branches:
	- main
	- master
	paths:
	- '.github/workflows/*'

	name: Push back to actions-subtree

	jobs:
	create_key:
	runs-on: ubuntu-18.04

	name: Push on change

	steps:
	- name: Check out our repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Configure Git identity
	run: \|
	git log HEAD^.. --pretty=format:"git config --global user.name '%an' && git config --global user.email '%ae'" \| tee /dev/stderr \| sh

	- name: Install SSH key
	uses: shimataro/ssh-key-action@v2
	with:
	key: ${{ secrets.ACTIONS_SUBTREE_KEY_DEPLOY }}
	known_hosts: 'github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ=='
	name: id_rsa # optional

	- name: Clone actions-subtree
	run: \|
	git clone git@github.com:${{ secrets.ACTIONS_SUBTREE_REMOTE_REPO }} actions-subtree

	- name: Extract subtree
	run: \|
	git subtree split --prefix=.github/workflows -b actions-subtree

	- name: Merge subtree manually
	run: \|
	set -x
	cd actions-subtree
	git remote add target ..
	git fetch target
	git checkout ${{ github.repository }}
	git merge --squash --ff target/actions-subtree
	git commit --no-edit
	git push

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