GHA: update actions #2

	name: 'Sanity Checks'

	on:
	push:
	branches:
	- 'main'
	pull_request:
	branches:
	- 'main'

	jobs:
	# markdownlint: https://github.com/markdownlint/markdownlint
	mdl:
	name: 'markdownlint'
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: 'Checkout repository'
	uses: actions/checkout@v4.1.1
	- name: "Install Ruby"
	# v1.172.0
	uses: ruby/setup-ruby@d4526a55538b775af234ba4af27118ed6f8f6677
	with:
	ruby-version: '3.3'
	bundler-cache: true
	- name: 'Install mdl'
	run: gem install mdl
	- name: 'Run mdl'
	run: \|
	set -euxo pipefail
	cd ${{ github.workspace }}/
	mdl --version
	for f in $(find . $ -path ./.git -o -path ./bin -o -path ./.github $ -prune -o -type f -name "*.md" -print); do
	mdl "$f"
	done

	shellcheck:
	name: "shellcheck"
	strategy:
	fail-fast: false
	# Run on Linux
	matrix:
	os: [ubuntu-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4.1.1
	- name: Install shellcheck on Ubuntu
	run: \|
	sudo apt update
	sudo apt install shellcheck -y

	- name: Run shellcheck
	run: \|
	set -euxo pipefail
	cd ${{ github.workspace }}/
	shellcheck --version
	for f in $(find . $ -path ./.git -o -path ./bin $ -prune -o -type f -print); do
	if file "$f" \| grep "shell script" &>/dev/null; then
	shellcheck -x "$f"
	fi
	done

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