Add check to see if task exists on project before adding dependency

Author: joshafeinberg

affectedmoduledetector/src/main/kotlin/com/dropbox/affectedmoduledetector/AffectedModuleDetectorPlugin.kt

@@ -171,11 +171,12 @@ class AffectedModuleDetectorPlugin : Plugin<Project> {
 
         project.pluginManager.withPlugin(pluginId) {
             getAffectedPath(testType, project)?.let { path ->
-                if (AffectedModuleDetector.isProjectProvided(project) && !isExcludedModule(config, path)) {
+                val pathOrNull = project.tasks.findByPath(path)
+                if (AffectedModuleDetector.isProjectProvided(project) && !isExcludedModule(config, path) && pathOrNull != null) {
                     task.dependsOn(path)
                 }
 
-                project.tasks.findByPath(path)?.onlyIf { task ->
+                pathOrNull?.onlyIf { task ->
                     when {
                         !AffectedModuleDetector.isProjectEnabled(task.project) -> true
                         else -> AffectedModuleDetector.isProjectAffected(task.project)

sample/build.gradle

@@ -19,10 +19,6 @@ buildscript {
     }
 }
 
-plugins {
-    id("io.gitlab.arturbosch.detekt") version "1.20.0"
-}
-
 apply plugin: "org.jlleitschuh.gradle.ktlint"
 apply plugin: "com.dropbox.affectedmoduledetector"
 
@@ -47,8 +43,6 @@ affectedModuleDetector {
 }
 
 allprojects {
-    apply plugin: Dependencies.Libs.DETEKT_PLUGIN
-
     repositories {
         google()
         mavenCentral()

sample/sample-core/build.gradle

@@ -3,6 +3,7 @@ import com.dropbox.sample.Dependencies
 plugins {
     id 'com.android.library'
     id 'kotlin-android'
+    id("io.gitlab.arturbosch.detekt") version "1.20.0"
 }
 
 affectedTestConfiguration {