Build installer #13

	name: Build documentation
	"on":
	push:

	jobs:
	build-readme:
	runs-on: ubuntu-latest
	name: Build README.md
	permissions: write-all
	steps:
	- name: Install jinja-cli
	run: \|
	python3 -m pip install jinja-cli
	- name: Check out code for the container build
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Check if README.md has changed
	id: readme-changed
	run: \|
	if git --no-pager diff --name-only --quiet --diff-filter=AM ${{ github.event.before }} ${{ github.event.after }} -- hyakvnc .build/README.j2.md .github/workflows/mkreadme.yml; then
	gh run cancel ${{ github.run_id }}
	gh run watch ${{ github.run_id }}
	fi
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	- name: Generate configuration descriptions
	run: \|
	pushd .build/
	sed -E '/^HYAKVNC_.#\s%%/!d; s/=.(#\s%%)/:/g; s/(^.)/- \1/g' ../hyakvnc > config.inc.md
	popd
	- name: Generate usage descriptions
	run: \|
	pushd .build/
	for x in create status show stop config install; do ../hyakvnc help "$x" \| sed -E '1 s/(.*)/\n### \1\n/; 2 s/^$/```text/' \| pr -e4 -t && echo '```'; done > usage.inc.md
	popd
	- name: Create and push README.md
	run: \|
	pushd .build/
	jinja -D github_repository "${{ github.repository }}" -D github_ref_name "${{ github.ref_name }}" README.j2.md \| sed 's/^.<!-- markdownlint-disable-file -->.$//g' > ../README.md
	popd
	git config --local user.email "${{ github.event.sender.id }}+${{ github.event.sender.login }}@users.noreply.github.com"
	git config --local user.name ${{ github.event.sender.login }}
	git add README.md
	git commit -am "Update README.md"
	git push

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