Setup CI

Author: adamw

.github/release-drafter.yml

@@ -0,0 +1,4 @@
+template: |
+  ## What’s Changed
+
+  $CHANGES

.github/workflows/ci.yml

@@ -0,0 +1,95 @@
+name: CI
+on:
+  pull_request:
+    branches: ['**']
+  push:
+    branches: ['**']
+    tags: [v*]
+jobs:
+  ci:
+    # run on external PRs, but not on internal PRs since those will be run by push to branch
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+    runs-on: ubuntu-20.04
+    env:
+      JAVA_OPTS: -Xmx4G
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Set up JDK 11
+      uses: actions/setup-java@v1
+      with:
+        java-version: 11
+    - name: Cache sbt
+      uses: actions/cache@v2
+      with:
+        path: |
+          ~/.sbt
+          ~/.ivy2/cache
+          ~/.coursier
+        key: sbt-cache-${{ runner.os }}-${{ hashFiles('project/build.properties') }}
+    - name: Compile
+      run: sbt -v compile
+    - name: Test
+      run: sbt -v test
+    - name: Cleanup
+      run: |
+        rm -rf "$HOME/.ivy2/local" || true
+        find $HOME/.ivy2/cache                       -name "ivydata-*.properties" -delete || true
+        find $HOME/.ivy2/cache                       -name "*-LM-SNAPSHOT*"       -delete || true
+        find $HOME/.cache/coursier/v1                -name "ivydata-*.properties" -delete || true
+        find $HOME/.sbt                              -name "*.lock"               -delete || true
+
+  publish:
+    name: Publish release
+    needs: [ci]
+    if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v'))
+    runs-on: ubuntu-20.04
+    env:
+      JAVA_OPTS: -Xmx4G
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Cache sbt
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.sbt
+            ~/.ivy2/cache
+            ~/.coursier
+          key: sbt-cache-${{ runner.os }}-${{ hashFiles('project/build.properties') }}
+      - name: Compile
+        run: sbt compile
+      - name: Publish artifacts
+        run: sbt ci-release
+        env:
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+      - name: Extract version from commit message
+        run: |
+          version=${GITHUB_REF/refs\/tags\/v/}
+          echo "VERSION=$version" >> $GITHUB_ENV
+        env:
+          COMMIT_MSG: ${{ github.event.head_commit.message }}
+      - name: Publish release notes
+        uses: release-drafter/release-drafter@v5
+        with:
+          config-name: release-drafter.yml
+          publish: true
+          name: "v${{ env.VERSION }}"
+          tag: "v${{ env.VERSION }}"
+          version: "v${{ env.VERSION }}"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Cleanup
+        run: |
+          rm -rf "$HOME/.ivy2/local" || true
+          find $HOME/.ivy2/cache                       -name "ivydata-*.properties" -delete || true
+          find $HOME/.ivy2/cache                       -name "*-LM-SNAPSHOT*"       -delete || true
+          find $HOME/.cache/coursier/v1                -name "ivydata-*.properties" -delete || true
+          find $HOME/.sbt                              -name "*.lock"               -delete || true