chore: format check/apply for ci & build (#65)

Author: alissa-tung

.github/workflows/main.yml

@@ -23,18 +23,14 @@ jobs:
       - name: Validate Gradle wrapper
         uses: gradle/wrapper-validation-action@e6e38bacfdf1a337459f332974bb2327a31aaf4b
 
-      - name: check Java code format
-        uses: axel-op/googlejavaformat-action@v3
-        with:
-          version: "1.10.0"
-          skipCommit: true
-          args: "--set-exit-if-changed"
-
-      - name: check Kotlin code format
-        run: ./gradlew ktlintCheck
+      - name: check Java & Kotlin code format
+        run: |
+          ./gradlew spotlessJavaCheck
+          ./gradlew spotlessKotlinCheck
+          ./gradlew spotlessKotlinGradleCheck
 
       - name: Prepare test env
-        run:  script/prepare-test-env-latest.sh
+        run: script/prepare-test-env-latest.sh
 
       - name: Build and test with Gradle
         run: ./gradlew build

client/build.gradle.kts

@@ -12,7 +12,7 @@ plugins {
     id("signing")
 
     kotlin("jvm") version "1.6.10"
-    id("org.jlleitschuh.gradle.ktlint") version "10.2.1"
+    id("com.diffplug.spotless") version "6.2.0"
 }
 
 group = "io.hstream"
@@ -30,8 +30,6 @@ java {
     }
 }
 
-// val ktlint by configurations.creating
-
 dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.7.1")
 
@@ -85,9 +83,6 @@ protobuf {
                 id("grpc")
                 id("grpckt")
             }
-            // it.builtins {
-            //     id("kotlin")
-            // }
         }
     }
 }
@@ -173,3 +168,18 @@ tasks.withType<Javadoc> {
     )
     exclude("io/hstream/impl/**", "io/hstream/util/**")
 }
+
+spotless {
+    java {
+        googleJavaFormat()
+    }
+
+    kotlin {
+        ktlint()
+    }
+
+    kotlinGradle {
+        target("*.gradle.kts")
+        ktlint()
+    }
+}