Issue #14599: Create performance regression test CI #10239

	name: "shellcheck"

	on:
	push:
	branches:
	- master
	pull_request:
	branches: '*'

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	# this execution should stay on GitHub actions due to time/ memory limits in other CI
	shellcheck:
	if: github.repository == 'checkstyle/checkstyle'
	runs-on: ubuntu-latest
	steps:
	- name: Install dependencies
	run: sudo apt install shellcheck

	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Execute shellcheck
	run: shellcheck ./.ci/*.sh

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