Use Initialization Scripts for spotless

.editorconfig

@@ -0,0 +1,6 @@
+# https://editorconfig.org/
+# This configuration is used by ktlint when spotless invokes it
+
+[*.{kt,kts}]
+ij_kotlin_allow_trailing_comma=true
+ij_kotlin_allow_trailing_comma_on_call_site=true

.github/workflows/build.yaml

@@ -13,10 +13,11 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    timeout-minutes: 40
+    timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
+        uses: actions/checkout@v3
 
       - name: Copy CI gradle.properties
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
@@ -27,5 +28,17 @@ jobs:
           distribution: temurin
           java-version: 17
 
-      - name: Build, lint and spotless
-        run: ./gradlew spotlessCheck dependencyGuard lintDebug assemble --scan
+      - name: Check dependencyGuard
+        run: ./gradlew dependencyGuard
+
+      - name: Check spotless
+        run: ./gradlew spotlessCheck --init-script gradle/init.gradle.kts --stacktrace
+
+      - name: Check lint
+        run: ./gradlew lintDebug --stacktrace
+
+      - name: Build all build type and flavor permutations
+        run: ./gradlew assemble --stacktrace
+
+      - name: Run local tests
+        run: ./gradlew testDebug --stacktrace

build.gradle

@@ -5,7 +5,6 @@ plugins {
     alias(libs.plugins.kotlin.jvm) apply false
     alias(libs.plugins.kotlin.serialization) apply false
     alias(libs.plugins.dagger.hilt) apply false
-    alias(libs.plugins.spotless) apply false
     alias(libs.plugins.ksp) apply false
     alias(libs.plugins.dependencyGuard) apply false
     alias(libs.plugins.firebase.crashlytics) apply false
@@ -14,20 +13,6 @@ plugins {
 
 apply from: "$rootDir/gradle/version.gradle"
 
-subprojects {
-    apply plugin: 'com.diffplug.spotless'
-    spotless {
-        kotlin {
-            target '**/*.kt'
-            targetExclude("$buildDir/**/*.kt")
-            targetExclude('bin/**/*.kt')
-
-            ktlint("0.41.0")
-            licenseHeaderFile rootProject.file('spotless/copyright.kt')
-        }
-    }
-}
-
 Object propOrDef(String propertyName, Object defaultValue) {
     def properties = new Properties()
     def keyFile = rootProject.file("signing/key.properties")

gradle/init.gradle.kts

@@ -0,0 +1,28 @@
+val ktlintVersion = "0.49.0"
+
+initscript {
+    val spotlessVersion = "6.22.0"
+
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath("com.diffplug.spotless:spotless-plugin-gradle:$spotlessVersion")
+    }
+}
+
+allprojects {
+    if (this == rootProject) {
+        return@allprojects
+    }
+    apply<com.diffplug.gradle.spotless.SpotlessPlugin>()
+    extensions.configure<com.diffplug.gradle.spotless.SpotlessExtension> {
+        kotlin {
+            target("**/*.kt")
+            targetExclude("**/build/**/*.kt")
+            ktlint(ktlintVersion).userData(mapOf("android" to "true"))
+            licenseHeaderFile(rootProject.file("spotless/copyright.kt"))
+        }
+    }
+}

gradle/libs.versions.toml

@@ -163,7 +163,6 @@ dagger-hilt = { id = "com.google.dagger.hilt.android", version.ref = "dagger" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
-spotless = { id = "com.diffplug.spotless", version = "6.11.0" }
 dependencyGuard = { id = "com.dropbox.dependency-guard", version.ref = "dependencyGuard" }
 firebase-crashlytics = { id = "com.google.firebase.crashlytics", version = "2.9.2" }
 firebase-perf = { id = "com.google.firebase.firebase-perf", version = "1.4.2" }