nightly #1078

	# Nightly jobs run by a bot collaborator.
	name: Nightly jobs
	on:
	repository_dispatch:
	types: [nightly]

	jobs:
	snapshot-source:
	name: Update source snapshot
	if : ${{ github.actor == 'tfdocsbot' }}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	- name: Install tensorflow-docs
	run: python3 -m pip install -U git+https://github.com/tensorflow/docs
	- name: Create en-snapshot and update
	run: \|
	source ./tools/ci/utils.sh
	# Set commit author.
	git config --global user.name "$GITHUB_ACTOR"
	git config --global user.email "[email protected]"
	# Sync latest docs for all projects. Format and commit to new branch, if changes.
	# Commit only contains changes to /site/en-snapshot/.
	if ! ./tools/snapshot-source.sh -c; then
	echo "[${GITHUB_WORKFLOW}] Unable to create snapshot commit, aborting." >&2
	exit 1
	fi
	readarray -t changed_files < <(get_changed_files)
	if [[ ${#changed_files[@]} == 0 ]]; then
	echo "[${GITHUB_WORKFLOW}] No files updated in snapshot, exiting."
	exit 0
	fi
	# Sync can take a while. Make sure everything is still up-to-date.
	if ! git pull --rebase origin master; then
	echo "[${GITHUB_WORKFLOW}] Unable to rebase master after snapshot." >&2
	exit 1
	fi
	# Push current branch to master.
	snapshot_branch=$(git branch --show-current)
	echo "[${GITHUB_WORKFLOW}] Push changes to repo ..."
	git push origin "$snapshot_branch:master"

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