shell.rb in bundler-1.11.0.pre.1

- old
+ new

@@ -1,6 +1,6 @@
-require 'bundler/vendored_thor'
+require "bundler/vendored_thor"
 
 module Bundler
   module UI
     class Shell
       LEVELS = %w(silent error warn confirm info debug)
@@ -10,11 +10,12 @@
       def initialize(options = {})
         if options["no-color"] || !STDOUT.tty?
           Thor::Base.shell = Thor::Shell::Basic
         end
         @shell = Thor::Base.shell.new
-        @level = ENV['DEBUG'] ? "debug" : "info"
+        @level = ENV["DEBUG"] ? "debug" : "info"
+        @warning_history = []
       end
 
       def info(msg, newline = nil)
         tell_me(msg, nil, newline) if level("info")
       end
@@ -22,10 +23,12 @@
       def confirm(msg, newline = nil)
         tell_me(msg, :green, newline) if level("confirm")
       end
 
       def warn(msg, newline = nil)
+        return if @warning_history.include? msg
+        @warning_history << msg
         tell_me(msg, :yellow, newline) if level("warn")
       end
 
       def error(msg, newline = nil)
         tell_me(msg, :red, newline) if level("error")
@@ -63,18 +66,19 @@
 
       def level(name = nil)
         name ? LEVELS.index(name) <= LEVELS.index(@level) : @level
       end
 
-      def trace(e, newline = nil)
-        return unless debug?
+      def trace(e, newline = nil, force = false)
+        return unless debug? || force
         msg = "#{e.class}: #{e.message}\n#{e.backtrace.join("\n  ")}"
         tell_me(msg, nil, newline)
       end
 
       def silence
-        old_level, @level = @level, "silent"
+        old_level = @level
+        @level = "silent"
         yield
       ensure
         @level = old_level
       end
 
@@ -90,10 +94,10 @@
         end
       end
 
       def strip_leading_spaces(text)
         spaces = text[/\A\s+/, 0]
-        spaces ? text.gsub(/#{spaces}/, '') : text
+        spaces ? text.gsub(/#{spaces}/, "") : text
       end
 
       def word_wrap(text, line_width = @shell.terminal_width)
         strip_leading_spaces(text).split("\n").collect do |line|
           line.length > line_width ? line.gsub(/(.{1,#{line_width}})(\s+|$)/, "\\1\n").strip : line