Use single quote instead of multi quote #85

	---
	name: MIL discord-bot CI

	# yamllint disable-line rule:truthy
	on:
	[push, workflow_dispatch]

	env:
	# Cache version to control pre-commit caches
	CACHE_VERSION: 0
	# 3.10 is recent enough
	DEFAULT_PYTHON: 3.10.11
	# Location of the pre-commit cache. This is set by pre-commit, not us!
	PRE_COMMIT_CACHE: ~/.cache/pre-commit

	# Cancels previous runs targeting the same hash
	concurrency:
	group: >
	${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/[email protected]

	- name: Setup Python
	uses: actions/[email protected]
	with:
	python-version: ${{ env.DEFAULT_PYTHON}}
	cache: "pip"

	- name: Generate pre-commit cache key
	id: pre-commit_cache_key
	run: >
	echo "::set-output
	name=key::${{ env.CACHE_VERSION }}-${{ env.DEFAULT_PYTHON }}-${{
	hashFiles('.pre-commit-config.yaml') }}"

	- name: Install pre-commit
	run: \|
	pip install --upgrade pip
	pip install "$(cat requirements.txt \| grep pre-commit)"

	- name: Restore base pre-commit environment
	id: cache-pre-commmit
	uses: actions/[email protected]
	with:
	path: ${{ env.PRE_COMMIT_CACHE }}
	key: >
	${{ runner.os
	}}-pre-commit-${{
	steps.pre-commit_cache_key.outputs.key }}

	- name: Install pre-commit dependencies if no cache
	if: steps.cache-pre-commit.outputs.cache-hit != 'true'
	run: \|
	pre-commit install-hooks

	- name: Run hooks
	run: >
	SKIP=no-commit-to-branch
	pre-commit run --all-files --show-diff-on-failure

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