build: switch to Spotless for formatting

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

7 files changed, 67 insertions, 40 deletions

diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 407e79f0..3651ac9f 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -3,10 +3,7 @@
  * SPDX-License-Identifier: GPL-3.0-only
  */
 
-plugins {
-  `kotlin-dsl`
-  id("com.ncorti.ktfmt.gradle") version "0.5.0"
-}
+plugins { `kotlin-dsl` }
 
 repositories {
   google()
@@ -26,11 +23,6 @@ repositories {
   }
 }
 
-ktfmt {
-  googleStyle()
-  maxWidth.set(120)
-}
-
 gradlePlugin {
   plugins {
     register("aps") {
@@ -50,13 +42,14 @@ gradlePlugin {
 
 dependencies {
   implementation("com.android.tools.build:gradle:4.2.0")
-  implementation("org.jetbrains.kotlinx:binary-compatibility-validator:0.5.0")
-  implementation("org.jetbrains.dokka:dokka-gradle-plugin:1.4.32")
-  implementation("de.undercouch:gradle-download-task:4.1.1")
+  implementation("com.diffplug.spotless:spotless-plugin-gradle:5.12.4")
   implementation("com.google.dagger:hilt-android-gradle-plugin:2.35.1")
-  implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.0")
-  implementation("com.ncorti.ktfmt.gradle:plugin:0.5.0")
+  implementation("com.squareup.okhttp3:okhttp:4.9.0")
   implementation("com.vanniktech:gradle-maven-publish-plugin:0.15.1")
   implementation("com.squareup.okhttp3:okhttp:4.9.0")
   implementation("com.vdurmont:semver4j:3.1.0")
+  implementation("de.undercouch:gradle-download-task:4.1.1")
+  implementation("org.jetbrains.dokka:dokka-gradle-plugin:1.4.32")
+  implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.0")
+  implementation("org.jetbrains.kotlinx:binary-compatibility-validator:0.5.0")
 }
diff --git a/buildSrc/src/main/java/BaseProjectConfig.kt b/buildSrc/src/main/java/BaseProjectConfig.kt
index 65426bf0..a6fb45f0 100644
--- a/buildSrc/src/main/java/BaseProjectConfig.kt
+++ b/buildSrc/src/main/java/BaseProjectConfig.kt
@@ -7,7 +7,6 @@ import com.android.build.gradle.TestedExtension
 import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
-import org.gradle.api.tasks.Delete
 import org.gradle.api.tasks.testing.Test
 import org.gradle.api.tasks.testing.logging.TestLogEvent
 import org.gradle.api.tasks.wrapper.Wrapper
@@ -21,8 +20,6 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
  * `buildscript` block in the top-level build.gradle.kts file.
  */
 internal fun Project.configureForRootProject() {
-  // register task for cleaning the build directory in the root project
-  tasks.register("clean", Delete::class.java) { delete(rootProject.buildDir) }
   tasks.withType<Wrapper> {
     gradleVersion = "7.0"
     distributionType = Wrapper.DistributionType.ALL
@@ -78,7 +75,8 @@ fun Project.isSnapshot(): Boolean {
 /** Apply configurations for app module */
 @Suppress("UnstableApiUsage")
 internal fun BaseAppModuleExtension.configureAndroidApplicationOptions(project: Project) {
-  val minifySwitch = project.providers.environmentVariable("DISABLE_MINIFY").forUseAtConfigurationTime()
+  val minifySwitch =
+    project.providers.environmentVariable("DISABLE_MINIFY").forUseAtConfigurationTime()
 
   adbOptions.installOptions("--user 0")
 
diff --git a/buildSrc/src/main/java/CrowdinDownloadPlugin.kt b/buildSrc/src/main/java/CrowdinDownloadPlugin.kt
index 05fbabb8..4be93885 100644
--- a/buildSrc/src/main/java/CrowdinDownloadPlugin.kt
+++ b/buildSrc/src/main/java/CrowdinDownloadPlugin.kt
@@ -18,7 +18,8 @@ import org.w3c.dom.Document
 
 private const val EXCEPTION_MESSAGE =
   """Applying `crowdin-plugin` requires a projectName to be configured via the "crowdin" extension."""
-private const val CROWDIN_BUILD_API_URL = "https://api.crowdin.com/api/project/%s/export?login=%s&account-key=%s"
+private const val CROWDIN_BUILD_API_URL =
+  "https://api.crowdin.com/api/project/%s/export?login=%s&account-key=%s"
 
 class CrowdinDownloadPlugin : Plugin<Project> {
 
@@ -69,7 +70,10 @@ class CrowdinDownloadPlugin : Plugin<Project> {
           doLast {
             val sourceSets = arrayOf("main", "nonFree")
             for (sourceSet in sourceSets) {
-              val stringFiles = File("${projectDir}/src/$sourceSet").walkTopDown().filter { it.name == "strings.xml" }
+              val stringFiles =
+                File("${projectDir}/src/$sourceSet").walkTopDown().filter {
+                  it.name == "strings.xml"
+                }
               val sourceFile =
                 stringFiles.firstOrNull { it.path.endsWith("values/strings.xml") }
                   ?: throw GradleException("No root strings.xml found in '$sourceSet' sourceSet")
diff --git a/buildSrc/src/main/java/Ktfmt.kt b/buildSrc/src/main/java/Ktfmt.kt
deleted file mode 100644
index 49a90a06..00000000
--- a/buildSrc/src/main/java/Ktfmt.kt
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-import com.ncorti.ktfmt.gradle.KtfmtExtension
-
-fun KtfmtExtension.configureKtfmt() {
-  googleStyle()
-  maxWidth.set(120)
-}
diff --git a/buildSrc/src/main/java/PasswordStorePlugin.kt b/buildSrc/src/main/java/PasswordStorePlugin.kt
index f4923e04..aa2f152f 100644
--- a/buildSrc/src/main/java/PasswordStorePlugin.kt
+++ b/buildSrc/src/main/java/PasswordStorePlugin.kt
@@ -7,8 +7,8 @@ import com.android.build.gradle.TestedExtension
 import com.android.build.gradle.internal.dsl.BaseAppModuleExtension
 import com.android.build.gradle.internal.plugins.AppPlugin
 import com.android.build.gradle.internal.plugins.LibraryPlugin
-import com.ncorti.ktfmt.gradle.KtfmtExtension
-import com.ncorti.ktfmt.gradle.KtfmtPlugin
+import com.diffplug.gradle.spotless.SpotlessExtension
+import com.diffplug.gradle.spotless.SpotlessPlugin
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.plugins.JavaLibraryPlugin
@@ -45,12 +45,15 @@ class PasswordStorePlugin : Plugin<Project> {
           project.configureExplicitApi()
         }
         is AppPlugin -> {
-          project.extensions.getByType<BaseAppModuleExtension>().configureAndroidApplicationOptions(project)
+          project
+            .extensions
+            .getByType<BaseAppModuleExtension>()
+            .configureAndroidApplicationOptions(project)
           project.extensions.getByType<BaseAppModuleExtension>().configureBuildSigning(project)
           project.extensions.getByType<TestedExtension>().configureCommonAndroidOptions()
         }
-        is KtfmtPlugin -> {
-          project.extensions.getByType<KtfmtExtension>().configureKtfmt()
+        is SpotlessPlugin -> {
+          project.extensions.getByType<SpotlessExtension>().configureSpotless()
         }
         is SigningPlugin -> {
           project.extensions.getByType<SigningExtension>().configureBuildSigning()
diff --git a/buildSrc/src/main/java/Spotless.kt b/buildSrc/src/main/java/Spotless.kt
new file mode 100644
index 00000000..1422e12b
--- /dev/null
+++ b/buildSrc/src/main/java/Spotless.kt
@@ -0,0 +1,20 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+import com.diffplug.gradle.spotless.SpotlessExtension
+
+internal fun SpotlessExtension.configureSpotless() {
+  ratchetFrom = "origin/develop"
+  kotlin {
+    ktfmt().googleStyle()
+    target("src/**/*.kt", "**/*.kts")
+  }
+  format("xml") {
+    target("**/*.xml")
+    trimTrailingWhitespace()
+    indentWithSpaces()
+    endWithNewline()
+  }
+}
diff --git a/buildSrc/src/main/java/VersioningPlugin.kt b/buildSrc/src/main/java/VersioningPlugin.kt
index 30ca5895..1ebbd9b8 100644
--- a/buildSrc/src/main/java/VersioningPlugin.kt
+++ b/buildSrc/src/main/java/VersioningPlugin.kt
@@ -69,16 +69,36 @@ class VersioningPlugin : Plugin<Project> {
           doLast { version.withClearedSuffix().writeForAndroid(propFile.asFile.outputStream()) }
         }
         tasks.register("bumpMajor") {
-          doLast { version.withIncMajor().withClearedSuffix().writeForAndroid(propFile.asFile.outputStream()) }
+          doLast {
+            version
+              .withIncMajor()
+              .withClearedSuffix()
+              .writeForAndroid(propFile.asFile.outputStream())
+          }
         }
         tasks.register("bumpMinor") {
-          doLast { version.withIncMinor().withClearedSuffix().writeForAndroid(propFile.asFile.outputStream()) }
+          doLast {
+            version
+              .withIncMinor()
+              .withClearedSuffix()
+              .writeForAndroid(propFile.asFile.outputStream())
+          }
         }
         tasks.register("bumpPatch") {
-          doLast { version.withIncPatch().withClearedSuffix().writeForAndroid(propFile.asFile.outputStream()) }
+          doLast {
+            version
+              .withIncPatch()
+              .withClearedSuffix()
+              .writeForAndroid(propFile.asFile.outputStream())
+          }
         }
         tasks.register("bumpSnapshot") {
-          doLast { version.withIncMinor().withSuffix("SNAPSHOT").writeForAndroid(propFile.asFile.outputStream()) }
+          doLast {
+            version
+              .withIncMinor()
+              .withSuffix("SNAPSHOT")
+              .writeForAndroid(propFile.asFile.outputStream())
+          }
         }
       }
     }