Migrate the remote of an existing master spec repo to the new remote with: $ pod setup. Closes #58.

cocoapods.gemspec

@@ -27,9 +27,8 @@ Gem::Specification.new do |s|
   s.executables   = %w{ pod }
   s.require_paths = %w{ lib }
 
-  s.post_install_message = "To speed up load time of CocoaPods consider compiling the Ruby source files:\n\n" \
-                           "    $ sudo macgem install rubygems-compile\n" \
-                           "    $ sudo macgem compile cocoapods\n\n"
+  s.post_install_message = "[!] If this is your first time install of CocoaPods, or if " \
+                           "you are upgrading, first run: $ pod setup"
 
   s.add_runtime_dependency 'xcodeproj', '~> 0.0.2'
 

lib/cocoapods/command/repo.rb

@@ -14,7 +14,10 @@ module Pod
 
       pod repo update NAME
         Updates the local clone of the spec-repo `NAME'. If `NAME' is omitted
-        this will update all spec-repos in `~/.cocoapods'.}
+        this will update all spec-repos in `~/.cocoapods'.
+
+      pod repo set-url NAME URL
+        Updates the remote `URL' of the spec-repo `NAME'.}
       end
 
       extend Executable
@@ -22,12 +25,12 @@ module Pod
 
       def initialize(argv)
         case @action = argv.arguments[0]
-        when 'add'
-          unless (@name = argv[1]) && (@url = argv[2])
-            raise Help, "Adding a repo needs a `name' and a `url'."
+        when 'add', 'set-url'
+          unless (@name = argv.arguments[1]) && (@url = argv.arguments[2])
+            raise Informative, "#{@action == 'add' ? 'Adding' : 'Updating the remote of'} a repo needs a `name' and a `url'."
           end
         when 'update'
-          @name = argv[1]
+          @name = argv.arguments[1]
         else
           super
         end
@@ -38,7 +41,7 @@ module Pod
       end
 
       def run
-        send @action
+        send @action.gsub('-', '_')
       end
 
       def add
@@ -54,6 +57,12 @@ module Pod
           Dir.chdir(dir) { git("pull") }
         end
       end
+
+      def set_url
+        Dir.chdir(dir) do
+          git("remote set-url origin '#{@url}'")
+        end
+      end
     end
   end
 end

lib/cocoapods/command/setup.rb

@@ -9,7 +9,10 @@ module Pod
       Creates a directory at `~/.cocoapods' which will hold your spec-repos.
       This is where it will create a clone of the public `master' spec-repo from:
 
-          https://github.com/CocoaPods/Specs}
+          https://github.com/CocoaPods/Specs
+
+      If the clone already exists, it will ensure that it points to the correct
+      remote.}
       end
 
       def initialize(argv)
@@ -24,8 +27,16 @@ module Pod
         @command ||= Repo.new(ARGV.new(['add', 'master', master_repo_url]))
       end
 
+      def update_master_repo_remote_command
+        @command ||= Repo.new(ARGV.new(['set-url', 'master', master_repo_url]))
+      end
+
       def run
-        add_master_repo_command.run
+        if (config.repos_dir + 'master').exist?
+          update_master_repo_remote_command.run
+        else
+          add_master_repo_command.run
+        end
       end
     end
   end

spec/functional/command_spec.rb

@@ -15,6 +15,16 @@ describe "Pod::Command" do
     git_config('master', 'remote.origin.url').should == fixture('spec-repos/master').to_s
   end
 
+  it "updates an existing `master' clone to point to the correct remote (migration for version 0.2.0 -> 0.3.0)" do
+    dir = temporary_directory + 'cocoapods'
+    dir.mkpath
+    FileUtils.cp_r(fixture('spec-repos/master').to_s, dir.to_s)
+    command = Pod::Command.parse('setup', '--silent')
+    def command.master_repo_url; 'git://some-other-remote'; end
+    command.run
+    git_config('master', 'remote.origin.url').should == 'git://some-other-remote'
+  end
+
   it "adds a spec-repo" do
     add_repo('private', fixture('spec-repos/master'))
     git_config('private', 'remote.origin.url').should == fixture('spec-repos/master').to_s