Fix: head -1 is interfering with the if-then clause #693

	on:
	push:
	branches:
	- "**"

	name: 'Trigger: Push action'

	jobs:
	shellcheck:
	name: Shellcheck
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Run ShellCheck
	uses: ludeeus/action-shellcheck@master
	with:
	severity: error
	scandir: './'

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