Migrate existing repos when running setup.

lib/cocoapods/command/setup.rb

+require 'fileutils'
+
 module Pod
   class Command
     class Setup < Command
@@ -30,6 +32,8 @@ module Pod
             set_master_repo_url
             set_master_repo_branch
             update_master_repo
+          elsif old_master_repo_dir.exist?
+            migrate_repos
           else
             add_master_repo
           end
@@ -43,6 +47,21 @@ module Pod
 
       # @!group Setup steps
 
+      # Migrates any repos from the old directory structure to the new directory
+      # structure.
+      #
+      # @return [void]
+      def migrate_repos
+        config.repos_dir.mkpath
+        Dir.foreach config.old_repos_dir do |repo_dir|
+          source_repo_dir = config.old_repos_dir + repo_dir
+          target_repo_dir = config.repos_dir + repo_dir
+          if not repo_dir =~ /\.+/ and source_repo_dir != config.repos_dir
+            FileUtils.mv source_repo_dir, target_repo_dir
+          end
+        end
+      end
+
       # Sets the url of the master repo according to whether it is push.
       #
       # @return [void]
@@ -129,6 +148,12 @@ module Pod
       def master_repo_dir
         SourcesManager.master_repo_dir
       end
+
+      # @return [Pathname] the directory of the old master repo.
+      #
+      def old_master_repo_dir
+        SourcesManager.old_master_repo_dir
+      end
     end
   end
 end

lib/cocoapods/config.rb

@@ -146,6 +146,10 @@ module Pod
 
     attr_writer :repos_dir
 
+    def old_repos_dir
+      @old_repos_dir ||= Pathname.new('~/.cocoapods').expand_path
+    end
+
     # @return [Pathname] the root of the CocoaPods installation where the
     #         Podfile is located.
     #

lib/cocoapods/sources_manager.rb

@@ -259,6 +259,11 @@ module Pod
         config.repos_dir + 'master'
       end
 
+      # @return [Pathname] The path of the old master repo.
+      def old_master_repo_dir
+        config.old_repos_dir + 'master'
+      end
+
       # @return [Bool] Checks if the master repo is usable.
       #
       # @note   Note this is used to automatically setup the master repo if