[LocalPod] Always use Pathname::glob.

This patch also removes the custom Pathname.glob based on Dir::glob.

Related #572 and #602.

lib/cocoapods.rb

@@ -57,12 +57,6 @@ module Pod
   end
 end
 
-class Pathname
-  def glob(pattern = '')
-    Dir.glob((self + pattern).to_s).map { |f| Pathname.new(f) }
-  end
-end
-
 if ENV['COCOA_PODS_ENV'] == 'development'
   require 'letters'
   require 'awesome_print'

lib/cocoapods/command/repo.rb

@@ -90,7 +90,7 @@ module Pod
         dirs.each do |dir|
           check_versions(dir)
           UI.puts "\nLinting spec repo `#{dir.realpath.basename}'\n".yellow
-          podspecs = dir.glob('**/*.podspec')
+          podspecs = Pathname.glob( dir + '**/*.podspec')
           invalid_count = 0
 
           podspecs.each do |podspec|

lib/cocoapods/command/spec.rb

@@ -138,7 +138,7 @@ module Pod
               end
               files << output_path
             else if (pathname = Pathname.new(path)).directory?
-              files += pathname.glob('**/*.podspec')
+              files += Pathname.glob(pathname + '**/*.podspec')
               raise Informative, "No specs found in the current directory." if files.empty?
             else
               files << (pathname = Pathname.new(path))

lib/cocoapods/local_pod.rb

@@ -163,14 +163,15 @@ module Pod
     #
     # @return [Array<Strings>] The paths that can be deleted.
     #
-    # @note The Paths are downcased to prevent issues. See #568.
+    # @note Implementation detail: Don't use Dir#glob as there is an
+    #       unexplained issue (#568, #572 and #602).
     #
     def clean_paths
-      used = used_files
-      files = Dir.glob(root + "**/*", File::FNM_DOTMATCH | File::FNM_CASEFOLD)
+      cached_used = used_files
+      files = Pathname.glob(root + "**/*", File::FNM_DOTMATCH | File::FNM_CASEFOLD).map(&:to_s)
 
       files.reject! do |candidate|
-        candidate.end_with?('.', '..') || used.any? do |path|
+        candidate.end_with?('.', '..') || cached_used.any? do |path|
           path.include?(candidate) || candidate.include?(path)
         end
       end

lib/cocoapods/podfile.rb

@@ -35,7 +35,8 @@ module Pod
         if @path
           @path
         else
-          xcodeprojs = config.project_root.glob('*.xcodeproj')
+          puts config.project_root + '*.xcodeproj'
+          xcodeprojs = Pathname.glob(config.project_root + '*.xcodeproj')
           if xcodeprojs.size == 1
             @path = xcodeprojs.first
           end

spec/unit/podfile_spec.rb

@@ -105,7 +105,7 @@ describe "Pod::Podfile" do
     end
 
     path = config.project_root + 'MyProject.xcodeproj'
-    config.project_root.expects(:glob).with('*.xcodeproj').returns([path])
+    Pathname.expects(:glob).with(config.project_root + '*.xcodeproj').returns([path])
 
     podfile.target_definitions[:default].user_project.path.should == path
     podfile.target_definitions[:another_target].user_project.path.should == path
@@ -113,7 +113,7 @@ describe "Pod::Podfile" do
 
   it "assumes the basename of the workspace is the same as the default target's project basename" do
     path = config.project_root + 'MyProject.xcodeproj'
-    config.project_root.expects(:glob).with('*.xcodeproj').returns([path])
+    Pathname.expects(:glob).with(config.project_root + '*.xcodeproj').returns([path])
     Pod::Podfile.new {}.workspace.should == config.project_root + 'MyProject.xcworkspace'
 
     Pod::Podfile.new do
@@ -225,13 +225,13 @@ describe "Pod::Podfile" do
 
     it "returns a Xcode project found in the working dir when no explicit project is specified" do
       xcodeproj1 = config.project_root + '1.xcodeproj'
-      config.project_root.expects(:glob).with('*.xcodeproj').returns([xcodeproj1])
+      Pathname.expects(:glob).with(config.project_root + '*.xcodeproj').returns([xcodeproj1])
       Pod::Podfile::UserProject.new.path.should == xcodeproj1
     end
 
     it "returns `nil' if more than one Xcode project was found in the working when no explicit project is specified" do
       xcodeproj1, xcodeproj2 = config.project_root + '1.xcodeproj', config.project_root + '2.xcodeproj'
-      config.project_root.expects(:glob).with('*.xcodeproj').returns([xcodeproj1, xcodeproj2])
+      Pathname.expects(:glob).with(config.project_root + '*.xcodeproj').returns([xcodeproj1, xcodeproj2])
       Pod::Podfile::UserProject.new.path.should == nil
     end