Merge pull request #20 from eed3si9n/wip/github_actions

Migrate to GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: CI
+on:
+  pull_request:
+  push:
+  schedule:
+  # 2am EST every Saturday
+  - cron: '0 7 * * 6'
+jobs:
+  build_scala2_12:
+    runs-on: ubuntu-latest
+    env:
+      JAVA_OPTS: -Xms2048M -Xmx2048M -Xss6M -XX:ReservedCodeCacheSize=256M -Dfile.encoding=UTF-8
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Scala
+      uses: olafurpg/setup-scala@v13
+      with:
+        java-version: "adopt@1.8"
+    - name: Coursier cache
+      uses: coursier/cache-action@v6
+    - name: Build and test
+      run: |
+        sbt -v clean test
+        rm -rf "$HOME/.ivy2/local" || true
+        find $HOME/Library/Caches/Coursier/v1        -name "ivydata-*.properties" -delete || true
+        find $HOME/.ivy2/cache                       -name "ivydata-*.properties" -delete || true
+        find $HOME/.cache/coursier/v1                -name "ivydata-*.properties" -delete || true
+        find $HOME/.sbt                              -name "ivydata-*.properties" -delete || true
+      shell: bash