feat: remember last install strategy and cleanup if needed #270

	name: Tests

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	specs:
	name: Specs
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Install Crystal
	uses: crystal-lang/install-crystal@v1
	- name: Install dependencies
	run: shards install
	- name: Run tests
	run: crystal spec
	- name: Run tests (multithreaded)
	run: crystal spec -Dpreview_mt
	launch:
	name: Build and check if the binary is working
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Install Crystal
	uses: crystal-lang/install-crystal@v1
	- name: Install dependencies
	run: shards install
	- name: Build
	run: shards build
	- name: Print version
	run: ./bin/zap --version

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