Build Cache Example on CircleCI

.circleci/config.yml

@@ -0,0 +1,80 @@
+# Use the latest 2.1 version of CircleCI pipeline process engine.
+# See: https://circleci.com/docs/configuration-reference
+version: 2.1
+
+# Orbs are reusable packages of CircleCI configuration that you may share across projects, enabling you to create encapsulated, parameterized commands, jobs, and executors that can be used across multiple projects.
+# See: https://circleci.com/docs/orb-intro/
+orbs:
+  # https://circleci.com/developer/orbs/orb/circleci/android
+  android: circleci/android@2.3.0
+
+# Define a job to be invoked later in a workflow.
+# See: https://circleci.com/docs/configuration-reference/#jobs
+jobs:
+  run-tests-with-bitrise-build-cache:
+    # Specify the execution environment. You can specify an image from Docker Hub or use one of our convenience images from CircleCI's Developer Hub.
+    # See: https://circleci.com/docs/configuration-reference/#executor-job
+    executor:
+      name: android/android-machine
+      tag: 2023.11.1
+    environment:
+      ENABLE_BITRISE_BUILD_CACHE: "true"
+
+    # Add steps to the job
+    # See: https://circleci.com/docs/configuration-reference/#steps
+    steps:
+      - android/change-java-version:
+          java-version: 17
+      - checkout
+      - run:
+          name: Checkout submodules as well
+          command: |
+            git "submodule" "update" "--init" "--recursive" "--jobs=10"
+      - run:
+          name: Add Build Cache dependency hashes
+          command: |
+            ./gradlew --write-verification-metadata sha256
+      - run:
+          name: Lint PlayProdDebug
+          no_output_timeout: 60m
+          command: ./gradlew :Signal-Android:lintPlayProdDebug
+      # - run:
+      #     name: Assemble playProdDebug
+      #     command: ./gradlew :Signal-Android:assemblePlayProdDebug
+
+  run-tests-without-build-cache:
+    # Specify the execution environment. You can specify an image from Docker Hub or use one of our convenience images from CircleCI's Developer Hub.
+    # See: https://circleci.com/docs/configuration-reference/#executor-job
+    executor:
+      name: android/android-machine
+      tag: 2023.11.1
+
+    # Add steps to the job
+    # See: https://circleci.com/docs/configuration-reference/#steps
+    steps:
+      - android/change-java-version:
+          java-version: 17
+      - checkout
+      - run:
+          name: Checkout submodules as well
+          command: |
+            git "submodule" "update" "--init" "--recursive" "--jobs=10"
+      - run:
+          name: Add Build Cache dependency hashes
+          command: |
+            ./gradlew --write-verification-metadata sha256
+      - run:
+          name: Lint PlayProdDebug
+          no_output_timeout: 60m
+          command: ./gradlew :Signal-Android:lintPlayProdDebug
+      # - run:
+      #     name: Assemble playProdDebug
+      #     command: ./gradlew :Signal-Android:assemblePlayProdDebug
+
+# Orchestrate jobs using workflows
+# See: https://circleci.com/docs/configuration-reference/#workflows
+workflows:
+  run-tests:
+    jobs:
+      - run-tests-with-bitrise-build-cache
+      - run-tests-without-build-cache

bitrise-build-cache.gradle

@@ -0,0 +1,34 @@
+buildscript {
+    repositories {
+        mavenCentral()
+        maven { url 'https://jitpack.io' }
+    }
+
+    dependencies {
+         classpath 'io.bitrise.gradle:remote-cache:1.+'
+    }
+}
+
+import io.bitrise.gradle.cache.BitriseBuildCache
+import io.bitrise.gradle.cache.BitriseBuildCacheServiceFactory
+
+println('[BITRISE BUILD CACHE] Gradle Configuration loaded')
+
+String bitriseBuildCacheWorkspaceID = System.getenv('BITRISE_BUILD_CACHE_WORKSPACE_ID')
+boolean isCI = System.getenv().containsKey("CI")
+println('[BITRISE BUILD CACHE] isCI: ' + isCI)
+buildCache {
+    local {
+        enabled = !isCI
+    }
+    registerBuildCacheService(BitriseBuildCache.class, BitriseBuildCacheServiceFactory.class)
+    remote(BitriseBuildCache.class) {
+        endpoint = System.getenv('BITRISE_BUILD_CACHE_ENDPOINT') ?: 'grpcs://pluggable.services.bitrise.io'
+        println('[BITRISE BUILD CACHE] endpoint: ' + endpoint)
+        authToken = bitriseBuildCacheWorkspaceID + ':' + System.getenv('BITRISE_BUILD_CACHE_AUTH_TOKEN')
+        enabled = true
+        push = isCI
+        debug = false
+        blobValidationLevel = 'warning'
+    }
+}

gradle.properties

@@ -1,8 +1,11 @@
-org.gradle.jvmargs=-Xmx6g -Xms256m -XX:MaxMetaspaceSize=1g
+org.gradle.jvmargs=-Xmx4g -Xms256m -XX:MaxMetaspaceSize=1g
 android.useAndroidX=true
 android.enableJetifier=true
 kapt.incremental.apt=false
 android.experimental.androidTest.numManagedDeviceShards=4
 android.defaults.buildfeatures.buildconfig=true
 android.nonTransitiveRClass=false
 android.nonFinalResIds=false
+
+org.gradle.caching=true
+#org.gradle.caching.debug=true

settings.gradle

@@ -95,3 +95,7 @@ project(':glide-webp-app').projectDir = file('glide-webp/app')
 rootProject.name='Signal'
 
 apply from: 'dependencies.gradle'
+
+if (file("bitrise-build-cache.gradle").exists() && System.getenv("ENABLE_BITRISE_BUILD_CACHE") == "true") {
+    apply(from: "bitrise-build-cache.gradle")
+}