Rework buildSrc and update some dependencies (#1296)

build.gradle.kts

@@ -2,24 +2,7 @@
  * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
  * SPDX-License-Identifier: GPL-3.0-only
  */
-buildscript {
-    apply(from = "buildSrc/buildDependencies.gradle")
-    val build: Map<Any, Any> by extra
-    repositories {
-        google()
-        jcenter()
-        // For binary compatibility validator.
-        maven { url = uri("https://kotlin.bintray.com/kotlinx") }
-    }
-    dependencies {
-        classpath(build.getValue("androidGradlePlugin"))
-        classpath(build.getValue("binaryCompatibilityValidator"))
-        classpath(build.getValue("kotlinGradlePlugin"))
-    }
-}
-
 plugins {
-    id("com.github.ben-manes.versions") version "0.36.0"
     `binary-compatibility-validator`
     `aps-plugin`
 }

buildSrc/build.gradle.kts

@@ -1,6 +1,3 @@
-apply(from = "buildDependencies.gradle")
-val build: Map<Any, Any> by extra
-
 plugins {
     `kotlin-dsl`
 }
@@ -9,6 +6,8 @@ repositories {
     google()
     gradlePluginPortal()
     jcenter()
+    // For binary compatibility validator.
+    maven { url = uri("https://kotlin.bintray.com/kotlinx") }
 }
 
 kotlinDslPluginOptions {
@@ -33,9 +32,9 @@ gradlePlugin {
 }
 
 dependencies {
-    implementation(build.getValue("kotlinGradlePlugin"))
-    implementation(build.getValue("androidGradlePlugin"))
-    implementation(build.getValue("binaryCompatibilityValidator"))
-    implementation(build.getValue("downloadTaskPlugin"))
-    implementation(build.getValue("jsemver"))
+    implementation(Plugins.androidGradlePlugin)
+    implementation(Plugins.binaryCompatibilityValidator)
+    implementation(Plugins.downloadTaskPlugin)
+    implementation(Plugins.jsemver)
+    implementation(Plugins.kotlinGradlePlugin)
 }

buildSrc/buildDependencies.gradle

@@ -1,15 +0,0 @@
-rootProject.ext.versions = [
-        agp                            : '4.1.1',
-        kotlin                         : '1.4.21',
-        binary_compatibility_validator : '0.2.4',
-        download_plugin                : '4.1.1',
-        semver                         : '0.9.0',
-]
-
-rootProject.ext.build = [
-        androidGradlePlugin          : "com.android.tools.build:gradle:${versions.agp}",
-        kotlinGradlePlugin           : "org.jetbrains.kotlin:kotlin-gradle-plugin:${versions.kotlin}",
-        binaryCompatibilityValidator : "org.jetbrains.kotlinx:binary-compatibility-validator:${versions.binary_compatibility_validator}",
-        downloadTaskPlugin           : "de.undercouch:gradle-download-task:${versions.download_plugin}",
-        jsemver                      : "com.github.zafarkhaja:java-semver:${versions.semver}",
-]

buildSrc/buildSrc/build.gradle.kts

@@ -0,0 +1,21 @@
+plugins {
+  `kotlin-dsl`
+}
+
+repositories {
+  mavenCentral()
+  google()
+  gradlePluginPortal()
+}
+
+kotlinDslPluginOptions {
+  experimentalWarning.set(false)
+}
+
+// force compilation of Dependencies.kt so it can be referenced in buildSrc/build.gradle.kts
+sourceSets.main {
+  java {
+    setSrcDirs(setOf(projectDir.parentFile.resolve("src/main/java")))
+    include("Dependencies.kt")
+  }
+}

buildSrc/src/main/java/Dependencies.kt

@@ -3,7 +3,15 @@
  * SPDX-License-Identifier: GPL-3.0-only
  */
 
-private const val KOTLIN_VERSION = "1.4.21"
+private const val KOTLIN_VERSION = "1.4.30"
+
+object Plugins {
+    val androidGradlePlugin = "com.android.tools.build:gradle:4.1.1"
+    val binaryCompatibilityValidator = "org.jetbrains.kotlinx:binary-compatibility-validator:0.2.4"
+    val downloadTaskPlugin = "de.undercouch:gradle-download-task:4.1.1"
+    val jsemver = "com.github.zafarkhaja:java-semver:0.9.0"
+    val kotlinGradlePlugin = "org.jetbrains.kotlin:kotlin-gradle-plugin:$KOTLIN_VERSION"
+}
 
 object Dependencies {
     object Kotlin {
@@ -51,7 +59,7 @@ object Dependencies {
         const val eddsa = "net.i2p.crypto:eddsa:0.3.0"
         const val fastscroll = "me.zhanghai.android.fastscroll:library:1.1.5"
         const val jgit = "org.eclipse.jgit:org.eclipse.jgit:3.7.1.201504261725-r"
-        const val kotlin_result = "com.michael-bull.kotlin-result:kotlin-result:1.1.9"
+        const val kotlin_result = "com.michael-bull.kotlin-result:kotlin-result:1.1.10"
         const val leakcanary = "com.squareup.leakcanary:leakcanary-android:2.5"
         const val modern_android_prefs = "de.Maxr1998.android:modernpreferences:1.2.0-alpha1"
         const val plumber = "com.squareup.leakcanary:plumber-android:2.5"