Add github check action, update forbidden-apis.

.github/workflows/on-commit.yml

@@ -0,0 +1,58 @@
+name: On Commit Checks
+
+on: 
+  pull_request:
+    branches:
+      - master
+
+  push:
+    branches:
+      - master
+
+jobs:
+  tests:
+    name: gradle check (JDK ${{ matrix.java }} on ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      # Check on latest ubuntu with the lowest supported JDK. Everything else
+      # is handled by subsequent nightly tests.
+      matrix:
+        os: [ ubuntu-latest ]
+        java: [ '11', '17' ]
+
+    steps:
+      - name: Correct git autocrlf
+        run: git config --global core.autocrlf false
+
+      - name: Git checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'adopt-hotspot'
+          java-version: ${{ matrix.java }}
+          java-package: jdk
+
+      - name: Cache/Restore Gradle files
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/jdks
+          key: ${{ runner.os }}-gradle-caches-${{ hashFiles('versions.lock', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-caches-
+
+      - name: Tests (./gradlew ... check)
+        run: ./gradlew --max-workers 4 check
+
+      - name: Store failed test outputs
+        if: failure()
+        uses: actions/upload-artifact@v2
+        with:
+          name: failed-test-outputs
+          path: '**/OUTPUT-*.txt'

build.gradle

@@ -6,7 +6,7 @@ plugins {
 
   id "com.github.ben-manes.versions" version "0.28.0"
 
-  id 'de.thetaphi.forbiddenapis' version '3.0.1' apply false
+  id 'de.thetaphi.forbiddenapis' version '3.2' apply false
 
   id "me.champeau.gradle.jmh" version "0.5.0" apply false
 }

gradle.properties

@@ -6,3 +6,12 @@ org.gradle.workers.max=4
 
 systemProp.org.gradle.internal.http.connectionTimeout=300000
 systemProp.org.gradle.internal.http.socketTimeout=300000
+
+# Set up jvm arguments for gradle.
+# Open up internal compiler modules for spotless/ google java format.
+org.gradle.jvmargs= \
+ --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED \
+ --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED