sync_upstream #12646

	name: sync_upstream
	on:
	schedule:
	# actually, ~5 minutes is the highest
	# effective frequency you will get
	- cron: '43 12,19 * * 1-5'
	workflow_dispatch: # on button click
	jobs:
	merge:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	token: ${{secrets.VUL_DRILLER_TOKEN}}
	- name: config
	run: \|
	git config --global user.name 'certcc-ghbot'
	git config --global user.email '[email protected]'
	- name: pull
	run: \|
	# "git checkout master" is unnecessary, already here by default
	git pull --unshallow # this option is very important, you would get
	# complains about unrelated histories without it.
	# (but actions/checkout@v2 can also be instructed
	# to fetch all git depth right from the start)
	- name: fetch upstream
	run: \|
	git remote add upstream ${{ vars.UPSTREAM_URL }}
	git fetch upstream
	- name: delete date tags
	run: git tag -d $(git tag -l "20*")
	- name: merge and push
	run: \|
	git checkout main
	git merge --no-edit upstream/main
	git push origin main

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