Enable gradle build cache and other performance tweaks

Following: https://docs.gradle.org/current/userguide/performance.html

Only took 6 years to read the docs? 🙈

Author: will-molloy

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: ./.github/actions/setup-java-gradle
 
       - name: Build and test
-        run: ./gradlew build
+        run: ./gradlew build --no-daemon
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
@@ -40,7 +40,7 @@ jobs:
       - uses: ./.github/actions/setup-java-gradle
 
       - name: Integration test
-        run: ./gradlew integrationTest
+        run: ./gradlew integrationTest --no-daemon
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5

build.gradle.kts

@@ -79,7 +79,7 @@ allprojects {
   }
 
   tasks.withType<Test> {
-    maxParallelForks = Runtime.getRuntime().availableProcessors()
+    maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
     useJUnitPlatform()
     testLogging {
       events = setOf(TestLogEvent.FAILED, TestLogEvent.SKIPPED)
@@ -101,6 +101,8 @@ allprojects {
         }),
       )
     }
+    reports.html.required = false
+    reports.junitXml.required = false
     finalizedBy(tasks.withType<JacocoReport>())
   }
 

gradle.properties

@@ -1,3 +1,7 @@
 # https://github.com/google/google-java-format/releases/tag/v1.10.0
-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
+org.gradle.jvmargs=-Xmx2048M --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
+
+# https://docs.gradle.org/current/userguide/performance.html
+org.gradle.parallel=true
+org.gradle.caching=true
 org.gradle.configuration-cache=true