Update viable/strict #18492

	name: Update viable/strict

	on:
	schedule:
	- cron: 17,47 * * * *
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}
	cancel-in-progress: false

	jobs:
	do_update_viablestrict:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout repo
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	token: ${{ secrets.MERGEBOT_TOKEN }}

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	architecture: x64
	cache: pip
	cache-dependency-path: \|
	**/.circleci/docker/requirements-ci.txt
	**/.github/requirements-gha-cache.txt

	- name: Install Python Packages
	run: \|
	pip3 install rockset==0.8.10
	pip3 install boto3==1.19.12
	pip3 install six==1.16.0

	- name: Get latest viable commit
	env:
	ROCKSET_API_KEY: ${{ secrets.ROCKSET_API_KEY }}
	run: \|
	output=$(python3 .github/scripts/fetch_latest_green_commit.py)
	echo "::set-output name=latest_viable_sha::$output"
	id: get-latest-commit

	- name: Push SHA to viable/strict branch
	if: steps.get-latest-commit.outputs.latest_viable_sha != 'None'
	env:
	GITHUB_TOKEN: ${{ secrets.MERGEBOT_TOKEN }}
	run: \|
	git config --global user.email "pytorchmergebot@users.noreply.github.com"
	git config --global user.name "PyTorch MergeBot"
	echo "Set the latest sha variable to be ${{ steps.get-latest-commit.outputs.latest_viable_sha }}"
	# Pushing an older green commit here will fail because it's non-fast-forward, which is ok
	# to ignore because we already have the later green commit in visable/strict
	git push origin "${{ steps.get-latest-commit.outputs.latest_viable_sha }}":viable/strict \|\| true

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