Make samples native build fully optional

- Add springShellSampleNative project property
- Implement generic samples build logic in buildSrc
- Fixes #873

.github/workflows/e2e.yml

@@ -37,7 +37,7 @@ jobs:
         with:
           node-version: '16'
       - run: |
-          ./gradlew clean build nativeCompile -PspringShellSampleMusl=${{ matrix.musl }} -PspringShellSampleE2E=true
+          ./gradlew clean build nativeCompile -PspringShellSampleMusl=${{ matrix.musl }} -PspringShellSampleNative=true -PspringShellSampleE2E=true
         timeout-minutes: 30
       - uses: actions/upload-artifact@v3
         with:

buildSrc/build.gradle

@@ -18,14 +18,17 @@ ext {
 		def properties = new Properties()
 		properties.load(it)
 		set("springBootVersion", properties["springBootVersion"])
+		set("nativeBuildToolsVersion", properties["nativeBuildToolsVersion"])
 	}
 }
 
 dependencies {
 	implementation(platform("org.springframework.boot:spring-boot-dependencies:${springBootVersion}"))
+	implementation "org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}"
 	implementation("org.springframework:spring-core")
 	implementation 'org.asciidoctor:asciidoctor-gradle-jvm:3.3.2'
 	implementation 'org.jfrog.buildinfo:build-info-extractor-gradle:4.29.0'
+	implementation "org.graalvm.buildtools:native-gradle-plugin:${nativeBuildToolsVersion}"
 }
 
 gradlePlugin {

buildSrc/src/main/java/org/springframework/shell/gradle/SamplePlugin.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 the original author or authors.
+ * Copyright 2022-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,21 +15,75 @@
  */
 package org.springframework.shell.gradle;
 
+import org.graalvm.buildtools.gradle.NativeImagePlugin;
+import org.graalvm.buildtools.gradle.dsl.GraalVMExtension;
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
 import org.gradle.api.plugins.JavaPlugin;
 import org.gradle.api.plugins.PluginManager;
+import org.springframework.boot.gradle.dsl.SpringBootExtension;
+import org.springframework.boot.gradle.plugin.SpringBootPlugin;
+import org.springframework.boot.gradle.tasks.bundling.BootJar;
 
 /**
  * @author Janne Valkealahti
  */
 class SamplePlugin implements Plugin<Project> {
 
+	private static final String NATIVE = "springShellSampleNative";
+	private static final String E2E = "springShellSampleE2E";
+	private static final String MUSL = "springShellSampleMusl";
+
 	@Override
 	public void apply(Project project) {
 		PluginManager pluginManager = project.getPluginManager();
 		pluginManager.apply(JavaPlugin.class);
 		pluginManager.apply(ManagementConfigurationPlugin.class);
+		pluginManager.apply(SpringBootPlugin.class);
+		if (isEnabled(project, NATIVE)) {
+			pluginManager.apply(NativeImagePlugin.class);
+			customizeNative(project);
+		}
+		configureBootJar(project);
+		configureBootBuildInfo(project);
 		new JavaConventions().apply(project);
 	}
+
+	private void configureBootJar(Project project) {
+		if (isEnabled(project, E2E)) {
+			project.getTasks().withType(BootJar.class, (bootJar) -> {
+				String name = String.format("%s.%s", bootJar.getArchiveBaseName().get(),
+						bootJar.getArchiveExtension().get());
+				bootJar.getArchiveFileName().set(name);
+			});
+		}
+	}
+
+	private void configureBootBuildInfo(Project project) {
+		SpringBootExtension extension = project.getExtensions().getByType(SpringBootExtension.class);
+		extension.buildInfo(buildInfo -> {
+			buildInfo.getExcludes().add("time");
+		});
+	}
+
+	private void customizeNative(Project project) {
+		project.getPlugins().withType(NativeImagePlugin.class).all(nativePlugin -> {
+			configureGraalVmExtension(project);
+		});
+	}
+
+	private void configureGraalVmExtension(Project project) {
+		GraalVMExtension extension = project.getExtensions().getByType(GraalVMExtension.class);
+		if (isEnabled(project, MUSL)) {
+			extension.getBinaries().getByName(NativeImagePlugin.NATIVE_MAIN_EXTENSION).buildArgs("--static",
+					"--libc=musl");
+		}
+	}
+
+	private boolean isEnabled(Project project, String property) {
+		if (project.hasProperty(property)) {
+			return Boolean.valueOf(String.valueOf(project.findProperty(property)));
+		}
+		return false;
+	}
 }

settings.gradle

@@ -11,8 +11,6 @@ pluginManagement {
 		}
 	}
 	plugins {
-		id 'org.springframework.boot' version "$springBootVersion"
-		id 'org.graalvm.buildtools.native' version "$nativeBuildToolsVersion"
 		id 'com.gradle.enterprise' version "$gradleEnterpriseVersion"
 		id 'io.spring.ge.conventions' version "$springGeConventionsVersion"
 	}

spring-shell-samples/spring-shell-sample-catalog/spring-shell-sample-catalog.gradle

@@ -1,7 +1,5 @@
 plugins {
 	id 'org.springframework.shell.sample'
-	id 'org.springframework.boot'
-	id 'org.graalvm.buildtools.native'
 }
 
 description = 'Spring Shell Sample Catalog'
@@ -13,29 +11,3 @@ dependencies {
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.awaitility:awaitility'
 }
-
-springBoot {
-    buildInfo {
-        excludes = ['time']
-    }
-}
-
-if (project.hasProperty('springShellSampleE2E') && springShellSampleE2E.toBoolean()) {
-	bootJar {
-		archiveFileName = "${archiveBaseName.get()}.${archiveExtension.get()}"
-	}
-}
-
-graalvmNative {
-	metadataRepository {
-		enabled = true
-	}
-	binaries {
-		main {
-			if (project.hasProperty('springShellSampleMusl') && springShellSampleMusl.toBoolean()) {
-				buildArgs.add('--static')
-				buildArgs.add('--libc=musl')
-			}
-		}
-	}
-}

spring-shell-samples/spring-shell-sample-commands/spring-shell-sample-commands.gradle

@@ -1,7 +1,5 @@
 plugins {
 	id 'org.springframework.shell.sample'
-	id 'org.springframework.boot'
-	id 'org.graalvm.buildtools.native'
 }
 
 description = 'Spring Shell Sample Commands'
@@ -13,29 +11,3 @@ dependencies {
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.awaitility:awaitility'
 }
-
-springBoot {
-    buildInfo {
-        excludes = ['time']
-    }
-}
-
-if (project.hasProperty('springShellSampleE2E') && springShellSampleE2E.toBoolean()) {
-	bootJar {
-		archiveFileName = "${archiveBaseName.get()}.${archiveExtension.get()}"
-	}
-}
-
-graalvmNative {
-	metadataRepository {
-		enabled = true
-	}
-	binaries {
-		main {
-			if (project.hasProperty('springShellSampleMusl') && springShellSampleMusl.toBoolean()) {
-				buildArgs.add('--static')
-				buildArgs.add('--libc=musl')
-			}
-		}
-	}
-}

spring-shell-samples/spring-shell-sample-e2e/spring-shell-sample-e2e.gradle

@@ -1,7 +1,5 @@
 plugins {
 	id 'org.springframework.shell.sample'
-	id 'org.springframework.boot'
-	id 'org.graalvm.buildtools.native'
 }
 
 description = 'Spring Shell Sample E2E'
@@ -13,29 +11,3 @@ dependencies {
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.awaitility:awaitility'
 }
-
-springBoot {
-    buildInfo {
-        excludes = ['time']
-    }
-}
-
-if (project.hasProperty('springShellSampleE2E') && springShellSampleE2E.toBoolean()) {
-	bootJar {
-		archiveFileName = "${archiveBaseName.get()}.${archiveExtension.get()}"
-	}
-}
-
-graalvmNative {
-	metadataRepository {
-		enabled = true
-	}
-	binaries {
-		main {
-			if (project.hasProperty('springShellSampleMusl') && springShellSampleMusl.toBoolean()) {
-				buildArgs.add('--static')
-				buildArgs.add('--libc=musl')
-			}
-		}
-	}
-}