fix(gradle-default-package-task): Set arch field for deb control file rendering

Author: orange-guo

README.md

@@ -147,6 +147,7 @@ By default it will generate next artifacts in `${outputDirectory} ` folder:
 | `additionalModulePaths`    | :x:                | `[]`                                                                                                                                               | Additional module paths for `jdeps`.                                                                                                                                                      |
 | `additionalModules`        | :x:                | `[]`                                                                                                                                               | Additional modules to the ones identified by `jdeps` or the specified with `modules` property.                                                                                            |
 | `additionalResources`      | :x:                | `[]`                                                                                                                                               | Additional files and folders to include in the bundled app.                                                                                                                               |
+| `arch`                     | :x:                | `${os.arch}`                                                                                                                                       | The dependency of some ArtifactGenerator objects in the process of making packages, such as GenerateDeb                                                                                   |
 | `administratorRequired`    | :x:                | `false`                                                                                                                                            | App will run as administrator (with elevated privileges).                                                                                                                                 |
 | `assetsDir`                | :x:                | `${basedir}/assets` or `${projectdir}/assets`                                                                                                      | Assets location (icons and custom Velocity templates).                                                                                                                                    |
 | `bundleJre`                | :x:                | `false`                                                                                                                                            | Embeds a customized JRE with the app.                                                                                                                                                     |

src/main/java/io/github/fvarrui/javapackager/gradle/DefaultPackageTask.java

@@ -1,10 +1,10 @@
 package io.github.fvarrui.javapackager.gradle;
 
-import static io.github.fvarrui.javapackager.utils.ObjectUtils.defaultIfNull;
-
 import io.github.fvarrui.javapackager.packagers.Packager;
 import io.github.fvarrui.javapackager.packagers.PackagerFactory;
 
+import static io.github.fvarrui.javapackager.utils.ObjectUtils.defaultIfNull;
+
 /**
  * Default packaging task for Gradle 
  */
@@ -22,6 +22,7 @@ protected Packager createPackager() throws Exception {
 					.additionalModulePaths(extension.getAdditionalModulePaths())
 					.additionalResources(extension.getAdditionalResources())
 					.administratorRequired(extension.getAdministratorRequired())
+					.arch(extension.getArch())
 					.assetsDir(extension.getAssetsDir())
 					.bundleJre(extension.getBundleJre())
 					.classpath(extension.getClasspath())					
@@ -61,5 +62,5 @@ protected Packager createPackager() throws Exception {
 					.winConfig(extension.getWinConfig());
 
 	}
-	
+
 }