chore(build): moved checkstyle options into BugsnagBuildPlugin

Author: lemnik

buildSrc/src/main/kotlin/com/bugsnag/android/BugsnagBuildPlugin.kt

@@ -67,9 +67,9 @@ class BugsnagBuildPlugin : Plugin<Project> {
 
         if (bugsnag.compilesCode) {
             project.configureKotlinOptions()
+            project.configureCheckstyle()
 
             project.apply(from = project.file("../gradle/detekt.gradle"))
-            project.apply(from = project.file("../gradle/checkstyle.gradle"))
         }
     }
 
@@ -215,6 +215,7 @@ class BugsnagBuildPlugin : Plugin<Project> {
         plugins.apply("com.github.hierynomus.license")
 
         if (bugsnag.compilesCode) {
+            plugins.apply("checkstyle")
             plugins.apply("kotlin-android")
             plugins.apply("io.gitlab.arturbosch.detekt")
             plugins.apply("org.jlleitschuh.gradle.ktlint")

buildSrc/src/main/kotlin/com/bugsnag/android/Checkstyle.kt

@@ -0,0 +1,23 @@
+package com.bugsnag.android
+
+import org.gradle.api.Project
+import org.gradle.api.plugins.quality.Checkstyle
+import org.gradle.api.plugins.quality.CheckstyleExtension
+import org.gradle.kotlin.dsl.get
+
+fun Project.configureCheckstyle() {
+    extensions.getByType(CheckstyleExtension::class.java).apply {
+        toolVersion = "8.18"
+    }
+
+    val checkstyle = tasks.register("checkstyle", Checkstyle::class.java) {
+        configFile = rootProject.file("config/checkstyle/checkstyle.xml")
+        source = fileTree("src/") {
+            include("**/*.java")
+            exclude("**/external/**/*.java")
+        }
+        classpath = files()
+    }
+
+    tasks["check"].dependsOn(checkstyle)
+}

features/fixtures/mazerunner/app/build.gradle

@@ -94,4 +94,4 @@ dependencies {
 
 apply from: "../bugsnag-dependency.gradle"
 apply from: "../../../../gradle/detekt.gradle"
-apply from: "../../../../gradle/checkstyle.gradle"
+apply from: "../gradle/checkstyle.gradle"

features/fixtures/mazerunner/cxx-scenarios-bugsnag/build.gradle

@@ -46,4 +46,4 @@ dependencies {
 }
 
 apply from: "../../../../gradle/detekt.gradle"
-apply from: "../../../../gradle/checkstyle.gradle"
+apply from: "../gradle/checkstyle.gradle"

features/fixtures/mazerunner/cxx-scenarios/build.gradle

@@ -43,4 +43,4 @@ dependencies {
 
 apply from: "../bugsnag-dependency.gradle"
 apply from: "../../../../gradle/detekt.gradle"
-apply from: "../../../../gradle/checkstyle.gradle"
+apply from: "../gradle/checkstyle.gradle"

gradle/checkstyle.gradle features/fixtures/mazerunner/gradle/checkstyle.gradle

@@ -48,4 +48,4 @@ private boolean useLegacyOkHttp() {
 
 apply from: "../bugsnag-dependency.gradle"
 apply from: "../../../../gradle/detekt.gradle"
-apply from: "../../../../gradle/checkstyle.gradle"
+apply from: "../gradle/checkstyle.gradle"