From 2fd877424914ebcbe9fe5bb258dd1e87c870f04a Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Wed, 16 Jun 2010 19:26:55 +0200
Subject: [PATCH] Bugfix: i3-wsbar: properly catch errors when writing to child
 process

This comes at the expense of having Try::Tiny as additional dependency,
but I think Try::Tiny is widely available.
---
 i3-wsbar | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/i3-wsbar b/i3-wsbar
index b1a50c40..63583b08 100755
--- a/i3-wsbar
+++ b/i3-wsbar
@@ -7,6 +7,7 @@ use warnings;
 use Getopt::Long;
 use Pod::Usage;
 use IPC::Run qw(start pump);
+use Try::Tiny;
 use AnyEvent::I3;
 use AnyEvent;
 use v5.10;
@@ -182,7 +183,12 @@ sub update_output {
         $out .= "\n";
 
         $outputs->{$name}->{cmd_input} = $out;
-        pump $outputs->{$name}->{cmd} while length $outputs->{$name}->{cmd_input};
+        try {
+            pump $outputs->{$name}->{cmd} while length $outputs->{$name}->{cmd_input};
+        } catch {
+            warn "Could not write to dzen2";
+            exit 1;
+        }
     }
 }