From 70f8d4d4daade280e19533f9c3d4ad67b8dc2809 Mon Sep 17 00:00:00 2001
From: Trent Mick <trentm@gmail.com>
Date: Wed, 14 Nov 2012 19:27:53 -0800
Subject: [PATCH] [issue #59] Clear a possibly interrupted ANSI color code on
 signal termination.

---
 CHANGES.md | 3 ++-
 bin/bunyan | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGES.md b/CHANGES.md
index 99e10e6..6cf00e0 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,8 @@
 
 ## bunyan 0.16.7 (not yet released)
 
-(nothing yet)
+- [issue #59] Clear a possibly interrupted ANSI color code on signal
+  termination.
 
 
 ## bunyan 0.16.6
diff --git a/bin/bunyan b/bin/bunyan
index 9d17e78..4a21c2a 100755
--- a/bin/bunyan
+++ b/bin/bunyan
@@ -73,6 +73,9 @@ var currLine = null;
 // Child dtrace process, if any. Used for signal-handling.
 var child = null;
 
+// Whether ANSI codes are being used. Used for signal-handling.
+var usingAnsiCodes = false;
+
 
 
 //---- support functions
@@ -1147,6 +1150,10 @@ function asyncForEach(arr, iterator, callback) {
 
 // Try to ensure we close a child 'dtrace' process on signalled exit.
 function signalCleanupAndExit(signal) {
+  if (usingAnsiCodes) {
+    // Clear possibly interrupted ANSI code (issue #59).
+    process.stdout.write('\033[0m');
+  }
   if (child) {
     child.kill(signal);
   }
@@ -1215,6 +1222,7 @@ function main(argv) {
       opts.color = process.stdout.isTTY;
     }
   }
+  usingAnsiCodes = opts.color; // intentionally global
   var stylize = (opts.color ? stylizeWithColor : stylizeWithoutColor);
 
   var retval = 0;