From b51005d343b50c1cc151601a033647ab722c7e17 Mon Sep 17 00:00:00 2001
From: Smit Shah <who828@gmail.com>
Date: Wed, 8 Jan 2014 09:02:52 +0530
Subject: Refactored open and fixed few failing specs

---
 lib/bundler/cli/common.rb | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'lib/bundler/cli/common.rb')

diff --git a/lib/bundler/cli/common.rb b/lib/bundler/cli/common.rb
index c1a9645f..e7e3f250 100644
--- a/lib/bundler/cli/common.rb
+++ b/lib/bundler/cli/common.rb
@@ -7,5 +7,41 @@ module Bundler
       group_str = (groups.size == 1) ? "group" : "groups"
       "Gems in the #{group_str} #{group_list} were not installed."
     end
+
+    def self.select_spec(name, regex_match = nil)
+      specs = []
+      regexp = Regexp.new(name) if regex_match
+
+      Bundler.definition.specs.each do |spec|
+        return spec if spec.name == name
+        specs << spec if regexp && spec.name =~ regexp
+      end
+
+      case specs.count
+      when 0
+        raise GemNotFound, not_found_message(name, Bundler.definition.dependencies)
+      when 1
+        specs.first
+      else
+        specs.each_with_index do |spec, index|
+          Bundler.ui.info "#{index.succ} : #{spec.name}", true
+        end
+        Bundler.ui.info '0 : - exit -', true
+
+        input = Bundler.ui.ask('> ')
+        (num = input.to_i) > 0 ? specs[num - 1] : nil
+      end
+    end
+
+    def self.not_found_message(missing_gem_name, alternatives)
+      message = "Could not find gem '#{missing_gem_name}'."
+
+      # This is called as the result of a GemNotFound, let's see if
+      # there's any similarly named ones we can propose instead
+      alternate_names = alternatives.map { |a| a.respond_to?(:name) ? a.name : a }
+      suggestions = SimilarityDetector.new(alternate_names).similar_word_list(missing_gem_name)
+      message += "\nDid you mean #{suggestions}?" if suggestions
+      message
+    end
   end
 end
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