Add git version info for parent commits (#597) #76

	name: TriBITS Lint

	on:
	pull_request:
	branches: [ master ]

	jobs:
	codespell-source:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Print GitHub Actions Environment Variables
	run: \|
	set \| grep "^GITHUB_"

	- name: Update OS
	run: \|
	sudo apt-get update -y
	- name: Install packages
	run: \|
	sudo apt-get install -y codespell

	- name: Run Codespell on source code
	run: \|
	codespell

	codespell-commit-messages:
	runs-on: ubuntu-latest

	if: github.event.pull_request != null

	steps:
	- name: PR commits + 1
	run: echo "PR_FETCH_DEPTH=$(( ${{ github.event.pull_request.commits }} + 1 ))" >> "${GITHUB_ENV}"

	- name: Checkout PR branch
	uses: actions/checkout@v3
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	fetch-depth: ${{ env.PR_FETCH_DEPTH }}

	- name: Fetch base ref
	run: \|
	git fetch origin ${{ github.event.pull_request.base.sha }}

	- name: Print GitHub Actions Environment Variables
	run: \|
	set \| grep "^GITHUB_"

	- name: Update OS
	run: \|
	sudo apt-get update -y
	- name: Install packages
	run: \|
	sudo apt-get install -y codespell

	- name: Run Codespell on commit messages
	run: \|
	result=0
	for commit in $(git rev-list HEAD ^${{ github.event.pull_request.base.sha }}); do
	echo "Running codespell on commit message of $commit..."
	git show --format=%B -s "$commit" \| codespell - \|\| result=1
	done
	exit $result

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