Use $stderr instead of STDERR to allow redirection.

guard · Oct 8, 2012 · d011713 · d011713
1 parent 0769b90
commit d011713
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Showing 2 changed files with 11 additions and 7 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Master
+
+- Use `$stderr` instead of `STDERR` to allow redirection.
+
 ## 1.4.1 - 5 October, 2012
 
 - [#334][] Extend `:tmux` notifier with use of `tmux display-message` and options to configure them. ([@matthijsgroen][])

diff --git a/lib/guard/ui.rb b/lib/guard/ui.rb
@@ -2,7 +2,7 @@ module Guard
 
   # The UI class helps to format messages for the user. Everything that is logged
   # through this class is considered either as an error message or a diagnostic
-  # message and is written to standard error (STDERR).
+  # message and is written to standard error ($stderr).
   #
   # If your Guard plugin does some output that is piped into another process for further
   # processing, please just write it to STDOUT with `puts`.
@@ -20,7 +20,7 @@ class << self
       def info(message, options = { })
         unless ENV['GUARD_ENV'] == 'test'
           reset_line if options[:reset]
-          STDERR.puts color(message) if message != ''
+          $stderr.puts color(message) if message != ''
         end
       end
 
@@ -32,7 +32,7 @@ def info(message, options = { })
       def warning(message, options = { })
         unless ENV['GUARD_ENV'] == 'test'
           reset_line if options[:reset]
-          STDERR.puts color('WARNING: ', :yellow) + message
+          $stderr.puts color('WARNING: ', :yellow) + message
         end
       end
 
@@ -44,7 +44,7 @@ def warning(message, options = { })
       def error(message, options = { })
         unless ENV['GUARD_ENV'] == 'test'
           reset_line if options[:reset]
-          STDERR.puts color('ERROR: ', :red) + message
+          $stderr.puts color('ERROR: ', :red) + message
         end
       end
 
@@ -56,7 +56,7 @@ def error(message, options = { })
       def deprecation(message, options = { })
         unless ENV['GUARD_ENV'] == 'test'
           reset_line if options[:reset]
-          STDERR.puts color('DEPRECATION: ', :red) + message
+          $stderr.puts color('DEPRECATION: ', :red) + message
         end
       end
 
@@ -68,14 +68,14 @@ def deprecation(message, options = { })
       def debug(message, options = { })
         unless ENV['GUARD_ENV'] == 'test'
           reset_line if options[:reset]
-          STDERR.puts color("DEBUG (#{Time.now.strftime('%T')}): ", :yellow) + message if ::Guard.options && ::Guard.options[:debug]
+          $stderr.puts color("DEBUG (#{Time.now.strftime('%T')}): ", :yellow) + message if ::Guard.options && ::Guard.options[:debug]
         end
       end
 
       # Reset a line.
       #
       def reset_line
-        STDERR.print(color_enabled? ? "\r\e[0m" : "\r\n")
+        $stderr.print(color_enabled? ? "\r\e[0m" : "\r\n")
       end
 
       # Clear the output if clearable.