From 170cdfce753967120caf9309fa131edecf57f310 Mon Sep 17 00:00:00 2001
From: Cedric Beust <cedric@beust.com>
Date: Thu, 18 Feb 2016 21:42:17 +0400
Subject: [PATCH] Don't overwrite the distribution if it's already there.

---
 .../wrapper/src/main/java/com/beust/kobalt/wrapper/Main.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/wrapper/src/main/java/com/beust/kobalt/wrapper/Main.java b/modules/wrapper/src/main/java/com/beust/kobalt/wrapper/Main.java
index e5ef2062..8b9441ef 100644
--- a/modules/wrapper/src/main/java/com/beust/kobalt/wrapper/Main.java
+++ b/modules/wrapper/src/main/java/com/beust/kobalt/wrapper/Main.java
@@ -138,14 +138,16 @@ public class Main {
         String zipOutputDir = DISTRIBUTIONS_DIR + "/" + wrapperVersion;
         Path kobaltJarFile = Paths.get(zipOutputDir,
                 getWrapperDir().getPath() + "/" + FILE_NAME + "-" + wrapperVersion + ".jar");
+        boolean downloadedZipFile = false;
         if (! Files.exists(localZipFile) || ! Files.exists(kobaltJarFile)) {
             download(localZipFile.toFile(), wrapperVersion);
+            downloadedZipFile = true;
         }
 
         //
         // Extract all the zip files
         //
-        if (! noOverwrite) {
+        if (! noOverwrite && downloadedZipFile) {
             int retries = 0;
             while (retries < 2) {
                 try {