Do not remove 'frozen' plugins on PlugClean #86

	---
	name: Test vim-plug

	on:
	push:
	branches: [master, devel]
	pull_request:
	branches: [master]
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	vim:
	- vim
	# FIXME: (core dumped) https://github.com/junegunn/vim-plug/runs/4422576984?check_suite_focus=true#step:3:238
	# - neovim-stable
	# - neovim-unstable
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Install packages and test
	env:
	ENV: ${{ matrix.vim }}
	run: \|
	export DEPS=~/deps
	export PATH=~/deps/bin:$PATH

	git config --global user.email "[email protected]"
	git config --global user.name "Your Name"

	case "$ENV" in
	vim)
	sudo apt-get install vim
	;;
	neovim-*)
	sudo add-apt-repository ppa:neovim-ppa/${ENV/neovim-/}
	sudo apt-get update
	sudo apt-get install neovim

	mkdir -p $DEPS/bin
	echo 'nvim "$@"' > $DEPS/bin/vim
	chmod +x $DEPS/bin/vim
	export VADER_OUTPUT_FILE=/dev/stderr
	;;
	esac

	test/run !

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