Merge pull request #29 from jonschoning/actions

setup actions

.github/workflows/tests.yml

@@ -0,0 +1,36 @@
+name: Tests
+
+on:
+    pull_request:
+    push:
+        branches:
+        - master
+    workflow_dispatch:
+
+jobs:
+  build:
+    name: CI
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: 
+        - ubuntu-latest
+        #-macos-latest
+        #-windows-latest
+        resolver:
+        #- nightly
+        - lts-18.7
+
+    steps:
+      - name: Clone project
+        uses: actions/checkout@v2
+
+      - name: Build and run tests
+        shell: bash
+        run: |
+            set -ex
+            mkdir -p ../_newstack
+            stack upgrade --force-download --local-bin-path ../_newstack
+            ../_newstack/stack --version
+            ../_newstack/stack test --fast --no-terminal --resolver=${{ matrix.resolver }}