build #696

	name: build
	# When the 'permissions' key is specified, unspecified permission scopes (e.g.,
	# actions, checks, etc.) are set to no access (none).
	permissions:
	contents: read
	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]
	schedule:
	# Run daily (* is a special character in YAML, so quote the string)
	- cron: '0 0 * * *'
	workflow_dispatch:
	inputs:
	# When git-ref is empty, HEAD will be checked out.
	git-ref:
	description: Optional git ref (branch, tag, or full SHA)
	required: false

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	# When the ref is empty, HEAD will be checked out.
	ref: ${{ github.event.inputs.git-ref }}

	- name: Dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install lua-check neovim
	# Manually installing Vim is necessary until the repo version includes
	# support for vim9script.
	git clone https://github.com/vim/vim.git
	cd vim
	./configure
	make -j $(nproc)
	sudo make install

	- name: Check Help Tags
	run: \|
	# Check if the help tags file should be updated
	vim -c 'helptags doc/' -c quit
	test -z "$(git status --porcelain doc/)"

	- name: Luacheck
	run: luacheck .

	- name: Tests
	run: \|
	mkdir -p ~/.local/share/nvim/site/pack/plugins/start/
	ln -s "$PWD" ~/.local/share/nvim/site/pack/plugins/start/
	mkdir -p ~/.vim/pack/plugins/start/
	ln -s "$PWD" ~/.vim/pack/plugins/start/
	tests/run.py

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