From 1a65058a2683a71ccdb383ca7c7b7f7fc237fe80 Mon Sep 17 00:00:00 2001
From: Cedric Beust <cedric@beust.com>
Date: Sat, 19 Mar 2016 14:01:30 -0700
Subject: [PATCH] Don't display animations if running without a terminal.

Fix for #156.
---
 .../java/com/beust/kobalt/wrapper/Main.java    | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

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 e26af232..be9d1760 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
@@ -370,15 +370,21 @@ public class Main {
         int bytesRead;
         long bytesSoFar = 0;
         byte[] buffer = new byte[100_000];
+        boolean hasTerminal = System.console() != null;
+        if (! hasTerminal) {
+            log2(1, "\rDownloading " + url);
+        }
         while ((bytesRead = inputStream.read(buffer)) != -1) {
             outputStream.write(buffer, 0, bytesRead);
             bytesSoFar += bytesRead;
-            if (bytesRead > 0) {
-                if (contentLength > 0) {
-                    float percent = bytesSoFar * 100 / contentLength;
-                    log2(1, "\rDownloading " + url + " " + percent + "%");
-                } else {
-                    log2(1, ".");
+            if (hasTerminal) {
+                if (bytesRead > 0) {
+                    if (contentLength > 0) {
+                        float percent = bytesSoFar * 100 / contentLength;
+                        log2(1, "\rDownloading " + url + " " + percent + "%");
+                    } else {
+                        log2(1, ".");
+                    }
                 }
             }
         }