Add support for custom Info.plist

Author: kerner1000

src/main/java/io/github/fvarrui/javapackager/model/MacConfig.java

@@ -35,6 +35,7 @@ public class MacConfig implements Serializable {
 	private File entitlements;
 	private File provisionProfile;
 	private File customLauncher;
+	private File customInfoPlist;
 	private boolean codesignApp = true;
 	private InfoPlist infoPlist = new InfoPlist();
 	private boolean hardenedCodesign = true;
@@ -200,6 +201,14 @@ public void setCustomLauncher(File customLauncher) {
 		this.customLauncher = customLauncher;
 	}
 
+	public File getCustomInfoPlist() {
+		return customInfoPlist;
+	}
+
+	public void setCustomInfoPlist(File customInfoPlist) {
+		this.customInfoPlist = customInfoPlist;
+	}
+
 	public File getProvisionProfile() {
 		return provisionProfile;
 	}

src/main/java/io/github/fvarrui/javapackager/packagers/MacPackager.java

@@ -144,13 +144,17 @@ private void processClasspath() {
 	}
 
 	/**
-	 * Creates and writes the Info.plist file
+	 * Creates and writes the Info.plist file if no custom file is specified.
 	 * @throws Exception if anything goes wrong
 	 */
 	private void processInfoPlistFile() throws Exception {
 		File infoPlistFile = new File(contentsFolder, "Info.plist");
-		VelocityUtils.render("mac/Info.plist.vtl", infoPlistFile, this);
-		XMLUtils.prettify(infoPlistFile);
+		if(macConfig.getCustomInfoPlist() != null && macConfig.getCustomInfoPlist().isFile() && macConfig.getCustomInfoPlist().canRead()){
+			FileUtils.copyFileToFile(macConfig.getCustomInfoPlist(), infoPlistFile);
+		} else {
+			VelocityUtils.render("mac/Info.plist.vtl", infoPlistFile, this);
+			XMLUtils.prettify(infoPlistFile);
+		}
 		Logger.info("Info.plist file created in " + infoPlistFile.getAbsolutePath());
 	}
 
@@ -165,7 +169,7 @@ private void codesign() throws Exception {
 	}
 
 	private void processProvisionProfileFile() throws Exception {
-		if (macConfig.getProvisionProfile() != null) {
+		if (macConfig.getProvisionProfile() != null && macConfig.getProvisionProfile().isFile() && macConfig.getProvisionProfile().canRead()) {
 			// file name must be 'embedded.provisionprofile'
 			File provisionProfile = new File(contentsFolder, "embedded.provisionprofile");
 			FileUtils.copyFileToFile(macConfig.getProvisionProfile(), provisionProfile);