Add first implementation for list and get variables #21

	name: Fix License Headers

	on:
	pull_request_target:

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

	jobs:
	header-license-fix:
	runs-on: ubuntu-latest

	permissions:
	contents: write
	pull-requests: write

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}

	- name: Checkout the branch from the PR that triggered the job
	run: gh pr checkout ${{ github.event.pull_request.number }}
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Fix License Header
	# pin to include https://github.com/apache/skywalking-eyes/pull/168
	uses: apache/skywalking-eyes/header@3ea9df11bb3a5a85665377d1fd10c02edecf2c40
	with:
	mode: fix

	- name: List files changed
	id: files-changed
	shell: bash -l {0}
	run: \|
	set -ex
	export CHANGES=$(git status --porcelain \| tee /tmp/modified.log \| wc -l)
	cat /tmp/modified.log

	echo "N_CHANGES=${CHANGES}" >> $GITHUB_OUTPUT

	git diff

	- name: Commit any changes
	if: steps.files-changed.outputs.N_CHANGES != '0'
	shell: bash -l {0}
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"

	git pull --no-tags

	git add *
	git commit -m "Automatic application of license header"

	git config push.default upstream
	git push
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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