Add a shell script vipe implementation. #142

	# This file was written by Damien Dart, <[email protected]>. This is
	# free and unencumbered software released into the public domain. For
	# more information, please refer to the accompanying "UNLICENCE" file.

	---
	name: 'Lint Project'

	on:
	push:
	branches:
	- 'master'

	jobs:
	lint-yaml:
	name: 'Lint project'
	runs-on: 'ubuntu-20.04'
	steps:
	- name: 'Check out repository'
	uses: 'actions/checkout@v3'

	- name: 'Set up Python environment'
	uses: 'actions/setup-python@v4'
	with:
	cache: 'pip'
	cache-dependency-path: '*/requirements.txt'
	python-version: '${{ matrix.python-version }}'

	# The version of ShellCheck installed via APT is a little
	# out-of-date and doesn't support the "shell" directive required
	# for checking ".zshrc" and ".zprofile".
	- name: 'Install ShellCheck'
	run: \|
	wget -qO- https://github.com/koalaman/shellcheck/releases/download/v0.9.0/shellcheck-v0.9.0.linux.x86_64.tar.xz \| tar -xJf -
	sudo cp shellcheck-v0.9.0/shellcheck /usr/local/bin

	- name: 'Install Task'
	run: 'curl -sL https://taskfile.dev/install.sh \| sh'

	- name: 'Install project dependencies and run all linting-related tasks'
	run: \|
	./bin/task start
	source .venv/bin/activate
	./bin/task ci
	strategy:
	fail-fast: true
	matrix:
	python-version:
	- '3.8'
	- '3.9'
	- '3.10'
	- '3.11'
	- '3.12'

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