add more doc (#3) #41

	---
	name: CI

	on:
	pull_request:
	push:

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Run ShellCheck
	uses: ludeeus/action-shellcheck@master

	unit-tests:
	runs-on: ubuntu-latest
	env:
	SOPS_VERSION: 3.7.3
	VALS_VERSION: 0.25.0
	YQ_VERSION: 4.34.2
	BATSLIB_TEMP_PRESERVE: "0"
	BATSLIB_TEMP_PRESERVE_ON_FAILURE: "0"

	steps:
	- uses: actions/checkout@v3

	- name: Setup Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 2.7

	- name: Install Ruby dependencies
	run: bundle install

	- name: Install dependencies
	run: \|
	mkdir -p "$HOME/.local"
	npm install --prefix "$HOME/.local" bats bats-support bats-assert
	curl -fsSL https://github.com/mozilla/sops/releases/download/v${{ env.SOPS_VERSION }}/sops-v${SOPS_VERSION}.linux -o /usr/local/bin/sops
	chmod +x /usr/local/bin/sops
	curl -fsSL https://github.com/helmfile/vals/releases/download/v${{ env.VALS_VERSION }}/vals_${VALS_VERSION}_linux_amd64.tar.gz \| tar xzf - -C /usr/local/bin/ vals
	chmod +x /usr/local/bin/vals
	curl -fsSL https://github.com/mikefarah/yq/releases/download/v${{ env.YQ_VERSION }}/yq_linux_amd64 -o /usr/local/bin/yq
	chmod +x /usr/local/bin/yq
	echo "$HOME/.local/node_modules/bats/bin" >> "$GITHUB_PATH"
	echo "BATS_LIB_PATH=$HOME/.local/node_modules" >> "$GITHUB_ENV"
	echo "SOPS_AGE_KEY_FILE=$PWD/tests/age/key.txt" >> "$GITHUB_ENV"

	- name: run test
	run: bashcov -- bats -r --timing --tap --report-formatter junit tests

	- uses: codecov/codecov-action@v3
	with:
	directory: coverage
	files: coverage.xml
	verbose: true

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