Add forceoverwrite option to copyfile task

Submitted by:	Uli Stehling <uli.stehling@informationsdesign.de>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@267932 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Copyfile.java

@@ -70,11 +70,16 @@ public class Copyfile extends Task {
     private File srcFile;
     private File destFile;
     private boolean filtering = false;
-
+    private boolean forceOverwrite = false;
+ 
     public void setSrc(String src) {
         srcFile = project.resolveFile(src);
     }
 
+    public void setForceoverwrite(String force) {
+        forceOverwrite = Project.toBoolean(force);
+    }
+
     public void setDest(String dest) {
         destFile = project.resolveFile(dest);
     }
@@ -84,9 +89,9 @@ public class Copyfile extends Task {
     }
 
     public void execute() throws BuildException {
-        if (srcFile.lastModified() > destFile.lastModified()) {
+        if (forceOverwrite || srcFile.lastModified() > destFile.lastModified()) {
             try {
-                project.copyFile(srcFile, destFile, filtering);
+                project.copyFile(srcFile, destFile, filtering, forceOverwrite);
             } catch (IOException ioe) {
                 String msg = "Error copying file: " + srcFile.getAbsolutePath()
                     + " due to " + ioe.getMessage();