[CH] A simple job scheduler for merge tree cache sync load #2145

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	name: license header check
	on:
	pull_request
	concurrency:
	group: ${{ github.repository }}-${{ github.head_ref \|\| github.sha }}-${{ github.workflow }}
	cancel-in-progress: true

	jobs:
	license-check:
	name: License Header Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Check License Header
	run: \|
	git fetch --recurse-submodules=no origin main ${{github.event.pull_request.base.sha}}
	pip install regex
	cd $GITHUB_WORKSPACE/
	./.github/workflows/util/check.sh ${{github.event.pull_request.base.sha}}

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