Polish Gradle expression references

Expand all expression `$` references to the full `${...}` form.

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/ApplicationPluginActionIntegrationTests.gradle

@@ -9,7 +9,7 @@ if (project.hasProperty('applyApplicationPlugin')) {
 
 task('taskExists') {
 	doFirst {
-		println "$taskName exists = ${tasks.findByName(taskName) != null}"
+		println "${taskName} exists = ${tasks.findByName(taskName) != null}"
 	}
 }
 
@@ -17,14 +17,14 @@ task('distributionExists') {
 	doFirst {
 		boolean found = project.hasProperty('distributions') &&
 				distributions.findByName(distributionName) != null
-		println "$distributionName exists = $found"
+		println "${distributionName} exists = ${found}"
 	}
 }
 
 task('javaCompileEncoding') {
 	doFirst {
 		tasks.withType(JavaCompile) {
-			println "$name = ${options.encoding}"
+			println "${name} = ${options.encoding}"
 		}
 	}
 }
@@ -32,7 +32,7 @@ task('javaCompileEncoding') {
 task('startScriptsDefaultJvmOpts') {
 	doFirst {
 		tasks.withType(org.springframework.boot.gradle.tasks.application.CreateBootStartScripts) {
-			println "$name defaultJvmOpts = $defaultJvmOpts"
+			println "${name} defaultJvmOpts = ${defaultJvmOpts}"
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/JavaPluginActionIntegrationTests-additionalMetadataLocationsConfiguredWhenProcessorIsPresent.gradle

@@ -14,6 +14,6 @@ dependencies {
 
 compileJava {
 	doLast {
-		println "$name compiler args: ${options.compilerArgs}"
+		println "${name} compiler args: ${options.compilerArgs}"
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/JavaPluginActionIntegrationTests-additionalMetadataLocationsNotConfiguredWhenProcessorIsAbsent.gradle

@@ -5,6 +5,6 @@ plugins {
 
 compileJava {
 	doLast {
-		println "$name compiler args: ${options.compilerArgs}"
+		println "${name} compiler args: ${options.compilerArgs}"
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/JavaPluginActionIntegrationTests-javaCompileTasksCanOverrideDefaultParametersCompilerFlag.gradle

@@ -11,7 +11,7 @@ tasks.withType(JavaCompile) {
 task('javaCompileTasksCompilerArgs') {
 	doFirst {
 		tasks.withType(JavaCompile) {
-			println "$name compiler args: ${options.compilerArgs}"
+			println "${name} compiler args: ${options.compilerArgs}"
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/JavaPluginActionIntegrationTests-javaCompileTasksUseParametersAndAdditionalCompilerFlags.gradle

@@ -10,7 +10,7 @@ tasks.withType(JavaCompile) {
 task('javaCompileTasksCompilerArgs') {
 	doFirst {
 		tasks.withType(JavaCompile) {
-			println "$name compiler args: ${options.compilerArgs}"
+			println "${name} compiler args: ${options.compilerArgs}"
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/JavaPluginActionIntegrationTests-javaCompileTasksUseParametersCompilerFlagByDefault.gradle

@@ -6,7 +6,7 @@ plugins {
 task('javaCompileTasksCompilerArgs') {
 	doFirst {
 		tasks.withType(JavaCompile) {
-			println "$name compiler args: ${options.compilerArgs}"
+			println "${name} compiler args: ${options.compilerArgs}"
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/JavaPluginActionIntegrationTests.gradle

@@ -8,14 +8,14 @@ if (project.hasProperty('applyJavaPlugin')) {
 
 task('taskExists') {
 	doFirst {
-		println "$taskName exists = ${tasks.findByName(taskName) != null}"
+		println "${taskName} exists = ${tasks.findByName(taskName) != null}"
 	}
 }
 
 task('javaCompileEncoding') {
 	doFirst {
 		tasks.withType(JavaCompile) {
-			println "$name = ${options.encoding}"
+			println "${name} = ${options.encoding}"
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/KotlinPluginActionIntegrationTests-kotlinCompileTasksCanOverrideDefaultJavaParametersFlag.gradle

@@ -13,7 +13,7 @@ tasks.withType(KotlinCompile) {
 task('kotlinCompileTasksJavaParameters') {
 	doFirst {
 		tasks.withType(KotlinCompile) {
-			println "$name java parameters: ${kotlinOptions.javaParameters}"
+			println "${name} java parameters: ${kotlinOptions.javaParameters}"
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/KotlinPluginActionIntegrationTests-kotlinCompileTasksUseJavaParametersFlagByDefault.gradle

@@ -9,7 +9,7 @@ import org.jetbrains.kotlin.gradle.dsl.KotlinCompile
 task('kotlinCompileTasksJavaParameters') {
 	doFirst {
 		tasks.withType(KotlinCompile) {
-			println "$name java parameters: ${kotlinOptions.javaParameters}"
+			println "${name} java parameters: ${kotlinOptions.javaParameters}"
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/WarPluginActionIntegrationTests.gradle

@@ -8,6 +8,6 @@ if (project.hasProperty('applyWarPlugin')) {
 
 task('taskExists') {
 	doFirst {
-		println "$taskName exists = ${tasks.findByName(taskName) != null}"
+		println "${taskName} exists = ${tasks.findByName(taskName) != null}"
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/MavenIntegrationTests-bootJarCanBeUploaded.gradle

@@ -14,7 +14,7 @@ version = '1.0'
 uploadBootArchives {
 	repositories {
 		mavenDeployer {
-		 	repository(url: "file:$buildDir/repo")
+		 	repository(url: "file:${buildDir}/repo")
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/MavenIntegrationTests-bootWarCanBeUploaded.gradle

@@ -14,7 +14,7 @@ version = '1.0'
 uploadBootArchives {
 	repositories {
 		mavenDeployer {
-		 	repository(url: "file:$buildDir/repo")
+		 	repository(url: "file:${buildDir}/repo")
 		}
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/MavenPublishingIntegrationTests-bootJarCanBePublished.gradle

@@ -14,7 +14,7 @@ version = '1.0'
 publishing {
 	repositories {
 		maven {
-			url "$buildDir/repo"
+			url "${buildDir}/repo"
 		}
 	}
 	publications {

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/MavenPublishingIntegrationTests-bootWarCanBePublished.gradle

@@ -14,7 +14,7 @@ version = '1.0'
 publishing {
 	repositories {
 		maven {
-			url "$buildDir/repo"
+			url "${buildDir}/repo"
 		}
 	}
 	publications {