fix(Makefile): defensively validate scoop output path #876

	name: Run tests

	on: pull_request_target

	jobs:
	tests:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	ref: ${{ github.head_ref }}
	# only install required dependencies, make build uses bundled libraries, etc.
	# from here: https://github.com/neovim/neovim/blob/3a5dddf24f9d4d8959194b0cd3c6a7dd0cbd73ae/.github/scripts/install_deps_ubuntu.sh
	# gperf is needed for neovim 0.7, the bundled version does not seem to build.
	- run: \|
	sudo add-apt-repository ppa:neovim-ppa/stable
	sudo apt-get update
	sudo apt-get install -y \
	autoconf \
	automake \
	build-essential \
	cmake \
	cpanminus \
	curl \
	gettext \
	libtool-bin \
	locales-all \
	ninja-build \
	pkg-config \
	unzip \
	gperf

	# install luajit+headers for jsregexp
	sudo apt-get install -y libluajit-5.1-dev luajit

	# libuv is installed by default, but the version is too old; remove it.
	sudo apt-get remove libuv1-dev

	# explicitly set LUAJIT-variable since nvim is not available when the
	# makefile's variables are evaluated, but that's not a problem since we
	# actually know that we'll build with luajit, and not lua, and can just
	# set it manually.
	- run: make test LUAJIT=LuaJIT

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