From: walkerning <foxdoraame@gmail.com>
Date: Sat, 30 Apr 2016 17:06:29 +0000 (+0800)
Subject: Check if stdout is a terminal in lxc-checkconfig
X-Git-Tag: lxc-2.1.0~436^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F993%2Fhead;p=thirdparty%2Flxc.git

Check if stdout is a terminal in lxc-checkconfig

Let lxc-checkconfig write to non-tty stdout without color control
characters
Signed-off-by: walkerning <foxdoraame@gmail.com>
---

diff --git a/src/lxc/lxc-checkconfig.in b/src/lxc/lxc-checkconfig.in
index 835202b25..29586f869 100644
--- a/src/lxc/lxc-checkconfig.in
+++ b/src/lxc/lxc-checkconfig.in
@@ -6,10 +6,17 @@
 
 CAT="cat"
 
-SETCOLOR_SUCCESS="printf \\033[1;32m"
-SETCOLOR_FAILURE="printf \\033[1;31m"
-SETCOLOR_WARNING="printf \\033[1;33m"
-SETCOLOR_NORMAL="printf \\033[0;39m"
+if [ -t 1 ]; then
+    SETCOLOR_SUCCESS="printf \\033[1;32m"
+    SETCOLOR_FAILURE="printf \\033[1;31m"
+    SETCOLOR_WARNING="printf \\033[1;33m"
+    SETCOLOR_NORMAL="printf \\033[0;39m"
+else
+    SETCOLOR_SUCCESS=":"
+    SETCOLOR_FAILURE=":"
+    SETCOLOR_WARNING=":"
+    SETCOLOR_NORMAL=":"
+fi
 
 is_set() {
     $CAT $CONFIG | grep "$1=[y|m]" > /dev/null