ci: bump actions/checkout from 4 to 6 #7

	name: Documentation

	on:
	push:
	branches: ["main"]
	paths:
	- 'examples/*/.tf'
	- 'docs/**'
	- '.github/workflows/docs.yml'
	pull_request:
	branches: ["main"]
	paths:
	- 'examples/*/.tf'
	- 'docs/**'
	- '.github/workflows/docs.yml'

	permissions:
	contents: write
	pull-requests: write

	jobs:
	terraform-docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v6
	with:
	ref: ${{ github.event.pull_request.head.ref }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}

	- name: Generate docs for examples
	uses: terraform-docs/gh-actions@v1
	with:
	working-dir: examples/basic,examples/flash-firmware,examples/full-provisioning,examples/talos-cluster,examples/k3s-cluster
	output-file: README.md
	output-method: inject
	git-push: false # Don't auto-push; branch protection requires signed commits via PRs

	- name: Check for uncommitted changes
	run: \|
	if [[ -n $(git status --porcelain) ]]; then
	echo "::error::terraform-docs would update documentation. Run 'terraform-docs .' in each example directory and commit the changes."
	git diff
	exit 1
	fi

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