Merge branch 'master' into xcodeproj-refactor

* master:
  Release 0.15.2
  [Bundle] Update.
  [Gemspec] Require Xcodeproj 0.3.5.
  Remove stray puts.
  Update the lockfiles of the examples.
  [Gemfile] Install and remove dependency on letters gem.
  [LocalPod] Always use Pathname::glob.
  [Gemspec] Use spermy indicator for xcodeproj.
  [Specs] Complete revert of 8e72cbe1
  Fixed a bug with the flags passed into `Dir.glob`
  Fixing a bug where `downcase` was being called on the list of used file paths
  Updated `clean_paths` and `expand_paths` methods to use `File::FNM_CASEFOLD`
  [Linter/Push] Properly singularize words in output.
  [Bundler] Update.
  [UI] Support for running CocoaPods without a terminal.
  [Git] Force a barebone repo for the cache.
  [Git] Code clean up.
  [LocalPod] Fixing clean paths

Conflicts:
	lib/cocoapods/local_pod.rb

CHANGELOG.md

 ## Master
 
-[CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.15.1...master)
+[CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.15.1...master) • [Xcodeproj](https://github.com/CocoaPods/Xcodeproj/compare/0.3.4...master)
 
-###### Bug fixes
+## 0.15.2
+
+[CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.15.1...0.15.2)
+
+###### Enhancements
 
 - Added support for `.hh` headers.
   [#576](https://github.com/CocoaPods/CocoaPods/pull/576)
 
+###### Bug fixes
+
+- Restored support for running CocoaPods without a terminal.
+  [#575](https://github.com/CocoaPods/CocoaPods/issues/575)
+  [#577](https://github.com/CocoaPods/CocoaPods/issues/577)
+- The git cache now always uses a barebones repo preventing a number of related issues.
+  [#581](https://github.com/CocoaPods/CocoaPods/issues/581)
+  [#569](https://github.com/CocoaPods/CocoaPods/issues/569)
+- Improved fix for the issue that lead to empty directories for Pods.
+  [#572](https://github.com/CocoaPods/CocoaPods/issues/572)
+  [#602](https://github.com/CocoaPods/CocoaPods/issues/602)
+- Xcodeproj robustness against invalid values, such as malformed UTF8.
+  [#592](https://github.com/CocoaPods/CocoaPods/issues/592)
+
 ## 0.15.1
 
 [CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.15.0...0.15.1)

Gemfile

@@ -17,7 +17,6 @@ group :debugging do
   gem "kicker", :git => "https://github.com/alloy/kicker.git", :branch => "3.0.0"
   gem "awesome_print"
   gem "pry"
-  gem "letters"
 end
 
 group :documentation do

Gemfile.lock

 GIT
   remote: git://github.com/CocoaPods/Xcodeproj.git
-  revision: 5a53472bf5342b2f17632fd53fa802930776406b
+  revision: da9a356535ec7e97c11f2d5648e2f154165c1a19
   specs:
-    xcodeproj (0.3.4)
+    xcodeproj (0.3.5)
       activesupport (~> 3.2.6)
 
 GIT
@@ -17,7 +17,7 @@ GIT
 PATH
   remote: .
   specs:
-    cocoapods (0.15.1)
+    cocoapods (0.15.2)
       activesupport (~> 3.2.6)
       colored (~> 1.2)
       escape (~> 0.0.4)
@@ -26,7 +26,7 @@ PATH
       octokit (~> 1.7)
       open4 (~> 1.3.0)
       rake (~> 0.9.0)
-      xcodeproj (>= 0.3.4)
+      xcodeproj (~> 0.3.5)
 
 GEM
   remote: http://rubygems.org/
@@ -37,18 +37,9 @@ GEM
     addressable (2.3.2)
     awesome_print (1.1.0)
     bacon (1.1.0)
-    coderay (1.0.7)
+    coderay (1.0.8)
     colored (1.2)
-    colorize (0.5.8)
-    columnize (0.3.6)
     crack (0.3.1)
-    debugger (1.2.0)
-      columnize (>= 0.3.1)
-      debugger-linecache (~> 1.1.1)
-      debugger-ruby_core_source (~> 1.1.3)
-    debugger-linecache (1.1.2)
-      debugger-ruby_core_source (>= 1.1.1)
-    debugger-ruby_core_source (1.1.3)
     escape (0.0.4)
     faraday (0.8.4)
       multipart-post (~> 1.1)
@@ -58,22 +49,16 @@ GEM
     hashie (1.2.0)
     i18n (0.6.1)
     json (1.7.5)
-    letters (0.2.3)
-      activesupport
-      awesome_print
-      colorize
-      debugger
-      xml-simple
-    listen (0.5.2)
+    listen (0.5.3)
     metaclass (0.0.1)
-    method_source (0.8)
+    method_source (0.8.1)
     mocha (0.11.4)
       metaclass (~> 0.0.1)
     mocha-on-bacon (0.2.1)
       mocha (>= 0.9.8)
     multi_json (1.3.6)
     multipart-post (1.1.5)
-    octokit (1.15.1)
+    octokit (1.18.0)
       addressable (~> 2.2)
       faraday (~> 0.8)
       faraday_middleware (~> 0.8)
@@ -86,15 +71,14 @@ GEM
       slop (~> 3.3.1)
     rake (0.9.2.2)
     rb-fsevent (0.9.2)
-    redcarpet (2.1.1)
+    redcarpet (2.2.2)
     slop (3.3.3)
     terminal-notifier (1.4.2)
     vcr (2.2.5)
     webmock (1.8.11)
       addressable (>= 2.2.7)
       crack (>= 0.1.7)
-    xml-simple (1.1.1)
-    yard (0.8.2.1)
+    yard (0.8.3)
 
 PLATFORMS
   ruby
@@ -105,7 +89,6 @@ DEPENDENCIES
   cocoapods!
   github-markup
   kicker!
-  letters
   mocha (~> 0.11.4)
   mocha-on-bacon
   pry

cocoapods.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |s|
   s.executables   = %w{ pod }
   s.require_paths = %w{ lib }
 
-  s.add_runtime_dependency 'xcodeproj',     '>= 0.3.4'
+  s.add_runtime_dependency 'xcodeproj',     '~> 0.3.5'
 
   s.add_runtime_dependency 'faraday',       '~> 0.8.1'
   s.add_runtime_dependency 'octokit',       '~> 1.7'

examples/AFNetworking Mac Example/Podfile.lock

 
-PODS:
-- AFNetworking (0.7.0):
+COCOAPODS: 0.15.1
+
+PODS: 
+- AFNetworking (0.7.0): 
   - JSONKit
-- FormatterKit (1.0.0):
+- FormatterKit (1.0.0): 
   - FormatterKit/ArrayFormatter (= 1.0.0)
   - FormatterKit/LocationFormatter (= 1.0.0)
   - FormatterKit/OrdinalNumberFormatter (= 1.0.0)
@@ -17,19 +19,17 @@ PODS:
 - FormatterKit/UnitOfInformationFormatter (1.0.0)
 - JSONKit (1.5pre)
 
-DEPENDENCIES:
-- AFNetworking (~> 0.7.0)
-- FormatterKit
-
-SPEC CHECKSUMS:
-  AFNetworking: 1dd63e737768662b7180659e91846408df4ae7df
-  FormatterKit: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/ArrayFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/LocationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/OrdinalNumberFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+SPEC CHECKSUMS: 
+  FormatterKit/UnitOfInformationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
   FormatterKit/TimeIntervalFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  AFNetworking: 7bf22b0ed1d9068909cd67206db78204eb63dd2c
+  JSONKit: a01a22c75f27eae76b4badd55a91c20fe6e86477
+  FormatterKit/OrdinalNumberFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  FormatterKit/LocationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
   FormatterKit/URLRequestFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/UnitOfInformationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  JSONKit: 3d4708953ea7ae399a49777372d8b060a43ddd27
+  FormatterKit/ArrayFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  FormatterKit: 12dea999a2df19e389f7b821962fc4088de8b821
 
-COCOAPODS: 0.13.0
+DEPENDENCIES: 
+- AFNetworking (~> 0.7.0)
+- FormatterKit

examples/AFNetworking iOS Example/Podfile.lock

 
-PODS:
-- AFNetworking (0.7.0):
+SPEC CHECKSUMS: 
+  FormatterKit/UnitOfInformationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  AFNetworking: 7bf22b0ed1d9068909cd67206db78204eb63dd2c
+  JSONKit: a01a22c75f27eae76b4badd55a91c20fe6e86477
+  FormatterKit/URLRequestFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  FormatterKit: 12dea999a2df19e389f7b821962fc4088de8b821
+  FormatterKit/OrdinalNumberFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  FormatterKit/TimeIntervalFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  FormatterKit/ArrayFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+  FormatterKit/LocationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
+
+PODS: 
+- AFNetworking (0.7.0): 
   - JSONKit
-- FormatterKit (1.0.0):
+- FormatterKit (1.0.0): 
   - FormatterKit/ArrayFormatter (= 1.0.0)
   - FormatterKit/LocationFormatter (= 1.0.0)
   - FormatterKit/OrdinalNumberFormatter (= 1.0.0)
@@ -17,19 +28,8 @@ PODS:
 - FormatterKit/UnitOfInformationFormatter (1.0.0)
 - JSONKit (1.5pre)
 
-DEPENDENCIES:
+COCOAPODS: 0.15.1
+
+DEPENDENCIES: 
 - AFNetworking (~> 0.7.0)
 - FormatterKit
-
-SPEC CHECKSUMS:
-  AFNetworking: 1dd63e737768662b7180659e91846408df4ae7df
-  FormatterKit: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/ArrayFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/LocationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/OrdinalNumberFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/TimeIntervalFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/URLRequestFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  FormatterKit/UnitOfInformationFormatter: 12dea999a2df19e389f7b821962fc4088de8b821
-  JSONKit: 3d4708953ea7ae399a49777372d8b060a43ddd27
-
-COCOAPODS: 0.13.0

examples/MGSplitView/Podfile.lock

 
-PODS:
-- MGSplitViewController (1.0.0)
-
-DEPENDENCIES:
+DEPENDENCIES: 
 - MGSplitViewController (= 1.0.0)
 
-SPEC CHECKSUMS:
+SPEC CHECKSUMS: 
   MGSplitViewController: e0b0bc01aa81e1559765c39e7a764c890dac373a
 
-COCOAPODS: 0.13.0
+PODS: 
+- MGSplitViewController (1.0.0)
+
+COCOAPODS: 0.15.1

examples/RelativePathProject/Podfile.lock

 
-PODS:
-- AFNetworking (1.0RC1)
+COCOAPODS: 0.15.1
 
-DEPENDENCIES:
+DEPENDENCIES: 
 - AFNetworking
 
-SPEC CHECKSUMS:
+SPEC CHECKSUMS: 
   AFNetworking: b21c1252d437fd322e7db1caa93b163d76a362cb
 
-COCOAPODS: 0.13.0
+PODS: 
+- AFNetworking (1.0RC1)

lib/cocoapods.rb

@@ -12,7 +12,7 @@ unless Gem::Version::Requirement.new('>= 1.4.0').satisfied_by?(Gem::Version.new(
 end
 
 module Pod
-  VERSION = '0.15.1'
+  VERSION = '0.15.2'
 
   class PlainInformative < StandardError
   end
@@ -57,13 +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'
 end

lib/cocoapods/command/push.rb

 require 'fileutils'
+require 'active_support/core_ext/string/inflections'
 
 module Pod
   class Command
@@ -66,12 +67,18 @@ module Pod
 
       def podspec_files
         files = Pathname.glob(@podspec || "*.podspec")
-        raise Informative, "[!] Couldn't find .podspec file in current directory".red if files.empty?
+        raise Informative, "[!] Couldn't find any .podspec file in current directory".red if files.empty?
         files
       end
 
+      # @return [Integer] The number of the podspec files to push.
+      #
+      def count
+        podspec_files.count
+      end
+
       def validate_podspec_files
-        UI.puts "\nValidating specs".yellow unless config.silent
+        UI.puts "\nValidating #{'spec'.pluralize(count)}".yellow unless config.silent
         lint_argv = ["lint"]
         lint_argv << "--only-errors" if @allow_warnings
         lint_argv << "--silent" if config.silent
@@ -82,7 +89,7 @@ module Pod
       end
 
       def add_specs_to_repo
-        UI.puts "\nAdding the specs to the #{@repo} repo\n".yellow unless config.silent
+        UI.puts "\nAdding the #{'spec'.pluralize(count)} to the `#{@repo}' repo\n".yellow unless config.silent
         podspec_files.each do |spec_file|
           spec = Pod::Specification.from_file(spec_file)
           output_path = File.join(repo_dir, spec.name, spec.version.to_s)

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

 # encoding: utf-8
 
+require 'active_support/core_ext/string/inflections'
+
 module Pod
   class Command
     class Spec < Command
@@ -104,8 +106,8 @@ module Pod
           UI.puts unless config.silent?
         end
 
-        UI.puts "Analyzed #{podspecs_to_lint.count} podspecs files.\n\n" unless config.silent?
         count = podspecs_to_lint.count
+        UI.puts "Analyzed #{count} #{'podspec'.pluralize(count)}.\n\n" unless config.silent?
         if invalid_count == 0
           lint_passed_message = count == 1 ? "#{podspecs_to_lint.first.basename} passed validation." : "All the specs passed validation."
           UI.puts lint_passed_message.green << "\n\n" unless config.silent?
@@ -136,7 +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/downloader/git.rb

 require 'open-uri'
-require 'tempfile'
+# require 'tempfile'
 require 'zlib'
 require 'digest/sha1'
 
 module Pod
   class Downloader
+
+    # Concreted Downloader class that provides support for specifications with
+    # git sources.
+    #
     class Git < Downloader
       include Config::Mixin
 
       executable :git
 
-      MAX_CACHE_SIZE = 500
-
       def download
         create_cache unless cache_exist?
         UI.section(' > Cloning git repo', '', 1) do
@@ -29,89 +31,26 @@ module Pod
         prune_cache
       end
 
-      def create_cache
-        UI.section(" > Creating cache git repo (#{cache_path})",'',1) do
-          cache_path.rmtree if cache_path.exist?
-          cache_path.mkpath
-          git! %Q|clone  --mirror "#{url}" "#{cache_path}"|
-        end
-      end
-
-      def prune_cache
-        return unless caches_dir.exist?
-        Dir.chdir(caches_dir) do
-          repos = Pathname.new(caches_dir).children.select { |c| c.directory? }.sort_by(&:ctime)
-          while caches_size >= MAX_CACHE_SIZE && !repos.empty?
-            dir = repos.shift
-            UI.message "#{'->'.yellow} Removing git cache for `#{origin_url(dir)}'"
-            dir.rmtree
-          end
-        end
-      end
-
-      def cache_path
-        @cache_path ||= caches_dir + "#{Digest::SHA1.hexdigest(url.to_s)}"
-      end
-
-      def cache_exist?
-        cache_path.exist? && origin_url(cache_path).to_s == url.to_s
-      end
-
-      def origin_url(dir)
-        Dir.chdir(dir) { `git config remote.origin.url`.chomp }
-      end
 
-      def caches_dir
-        Pathname.new(File.expand_path("~/Library/Caches/CocoaPods/Git"))
-      end
+      # @!group Download implementations
 
+      # @return [Pathname] The clone URL, which resolves to the cache path.
+      #
       def clone_url
         cache_path
       end
 
-      def caches_size
-        # expressed in Mb
-        `du -cm`.split("\n").last.to_i
-      end
-
-      def update_cache
-        UI.section(" > Updating cache git repo (#{cache_path})",'',1) do
-          Dir.chdir(cache_path) do
-            if git("config core.bare").chomp == "true"
-              git! "remote update"
-            else
-              git! "reset --hard HEAD"
-              git! "clean -d -x -f"
-              git! "pull origin master"
-              git! "fetch --tags"
-            end
-          end
+      # @return [void] Convenience method to perform clones operations.
+      #
+      def clone(from, to)
+        UI.section(" > Cloning to Pods folder",'',1) do
+          git! %Q|clone "#{from}" "#{to}"|
         end
       end
 
-      def ref_exists?(ref)
-        Dir.chdir(cache_path) { git "rev-list --max-count=1 #{ref}" }
-        $? == 0
-      end
-
-      def ensure_ref_exists(ref)
-        return if ref_exists?(ref)
-        # Skip pull if not needed
-        update_cache
-        raise Informative, "[!] Cache unable to find git reference `#{ref}' for `#{url}'.".red unless ref_exists?(ref)
-      end
-
-      def branch_exists?(branch)
-        Dir.chdir(cache_path) { git "branch --all | grep #{branch}$" } # check for remote branch and do suffix matching ($ anchor)
-        $? == 0
-      end
-
-      def ensure_remote_branch_exists(branch)
-        return if branch_exists?(branch)
-        update_cache
-        raise Informative, "[!] Cache unable to find git reference `#{branch}' for `#{url}' (#{$?}).".red unless branch_exists?(branch)
-      end
-
+      # @return [void] Checkouts the HEAD of the git source in the destination
+      # path.
+      #
       def download_head
         if cache_exist?
           update_cache
@@ -123,6 +62,9 @@ module Pod
         Dir.chdir(target_path) { git! "submodule update --init"  } if options[:submodules]
       end
 
+      # @return [void] Checkouts a specific tag of the git source in the
+      # destination path.
+      #
       def download_tag
         ensure_ref_exists(options[:tag])
         Dir.chdir(target_path) do
@@ -134,6 +76,9 @@ module Pod
         end
       end
 
+      # @return [void] Checkouts a specific commit of the git source in the
+      # destination path.
+      #
       def download_commit
         ensure_ref_exists(options[:commit])
         clone(clone_url, target_path)
@@ -142,6 +87,9 @@ module Pod
         end
       end
 
+      # @return [void] Checkouts the HEAD of a specific branch of the git
+      # source in the destination path.
+      #
       def download_branch
         ensure_remote_branch_exists(options[:branch])
         clone(clone_url, target_path)
@@ -153,13 +101,135 @@ module Pod
         end
       end
 
-      def clone(from, to)
-        UI.section(" > Cloning to Pods folder",'',1) do
-          git! %Q|clone "#{from}" "#{to}"|
+
+
+      # @!group Checking references
+
+      # @return [Bool] Wether a reference (commit SHA or tag)
+      #
+      def ref_exists?(ref)
+        Dir.chdir(cache_path) { git "rev-list --max-count=1 #{ref}" }
+        $? == 0
+      end
+
+      # @return [void] Checks if a reference exists in the cache and updates
+      # only if necessary.
+      #
+      # @raises if after the update the reference can't be found.
+      #
+      def ensure_ref_exists(ref)
+        return if ref_exists?(ref)
+        update_cache
+        raise Informative, "[!] Cache unable to find git reference `#{ref}' for `#{url}'.".red unless ref_exists?(ref)
+      end
+
+      # @return [Bool] Wether a branch exists in the cache.
+      #
+      def branch_exists?(branch)
+        Dir.chdir(cache_path) { git "branch --all | grep #{branch}$" } # check for remote branch and do suffix matching ($ anchor)
+        $? == 0
+      end
+
+      # @return [void] Checks if a branch exists in the cache and updates
+      # only if necessary.
+      #
+      # @raises if after the update the branch can't be found.
+      #
+      def ensure_remote_branch_exists(branch)
+        return if branch_exists?(branch)
+        update_cache
+        raise Informative, "[!] Cache unable to find git reference `#{branch}' for `#{url}' (#{$?}).".red unless branch_exists?(branch)
+      end
+
+
+      # @!group Cache
+
+      # The maximum allowed size for the cache expressed in Mb.
+      #
+      MAX_CACHE_SIZE = 500
+
+      # @return [Pathname] The directory where the cache for the current git
+      # repo is stored.
+      #
+      # @note The name of the directory is the SHA1 hash value of the URL of
+      #       the git repo.
+      #
+      def cache_path
+        @cache_path ||= caches_root + "#{Digest::SHA1.hexdigest(url.to_s)}"
+      end
+
+      # @return [Pathname] The directory where the git caches are stored.
+      #
+      def caches_root
+        Pathname.new(File.expand_path("~/Library/Caches/CocoaPods/Git"))
+      end
+
+      # @return [Integer] The global size of the git cache expressed in Mb.
+      #
+      def caches_size
+        `du -cm`.split("\n").last.to_i
+      end
+
+      # @return [Bool] Wether the cache exits.
+      #
+      # @note The previous implementation of the cache didn't use a barebone
+      #       git repo. This method takes into account this fact and checks
+      #       that the cache is actually a barebone repo. If the cache was not
+      #       barebone it will be deleted and recreated.
+      #
+      def cache_exist?
+        cache_path.exist? &&
+          cache_origin_url(cache_path).to_s == url.to_s &&
+          Dir.chdir(cache_path) { git("config core.bare").chomp == "true" }
+      end
+
+      # @return [String] The origin URL of the cache with the given directory.
+      #
+      # @param [String] dir The directory of the cache.
+      #
+      def cache_origin_url(dir)
+        Dir.chdir(dir) { `git config remote.origin.url`.chomp }
+      end
+
+      # @return [void] Creates the barebone repo that will serve as the cache
+      # for the current repo.
+      #
+      def create_cache
+        UI.section(" > Creating cache git repo (#{cache_path})",'',1) do
+          cache_path.rmtree if cache_path.exist?
+          cache_path.mkpath
+          git! %Q|clone  --mirror "#{url}" "#{cache_path}"|
+        end
+      end
+
+      # @return [void] Updates the barebone repo used as a cache against its
+      # remote.
+      #
+      def update_cache
+        UI.section(" > Updating cache git repo (#{cache_path})",'',1) do
+          Dir.chdir(cache_path) { git! "remote update" }
+        end
+      end
+
+      # @return [void] Deletes the oldest caches until they the global size is
+      # below the maximum allowed.
+      #
+      def prune_cache
+        return unless caches_root.exist?
+        Dir.chdir(caches_root) do
+          repos = Pathname.new(caches_root).children.select { |c| c.directory? }.sort_by(&:ctime)
+          while caches_size >= MAX_CACHE_SIZE && !repos.empty?
+            dir = repos.shift
+            UI.message "#{'->'.yellow} Removing git cache for `#{cache_origin_url(dir)}'"
+            dir.rmtree
+          end
         end
       end
     end
 
+    # This class allows to download tarballs from GitHub and is not currently
+    # being used by CocoaPods as the git cache is preferable.
+    #
     class GitHub < Git
       def download_head
         download_only? ? download_and_extract_tarball('master') : super

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
-      cached_used_paths = used_files
-      files = Dir.glob(root + "**/*", File::FNM_DOTMATCH)
+      cached_used = used_files
+      files = Pathname.glob(root + "**/*", File::FNM_DOTMATCH | File::FNM_CASEFOLD).map(&:to_s)
 
       files.reject! do |candidate|
-        candidate.end_with?('.', '..') || cached_used_paths.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 +35,7 @@ module Pod
         if @path
           @path
         else
-          xcodeprojs = config.project_root.glob('*.xcodeproj')
+          xcodeprojs = Pathname.glob(config.project_root + '*.xcodeproj')
           if xcodeprojs.size == 1
             @path = xcodeprojs.first
           end

lib/cocoapods/user_interface.rb

@@ -196,8 +196,9 @@ module Pod
 
       # @!group Helpers
 
-      # Wraps a string taking into account the width of the terminal and an
-      # option indent. Adapted from http://blog.macromates.com/2006/wrapping-text-with-regular-expressions/
+      # @return [String] Wraps a string taking into account the width of the
+      # terminal and an option indent. Adapted from
+      # http://blog.macromates.com/2006/wrapping-text-with-regular-expressions/
       #
       # @param [String] txt     The string to wrap
       #
@@ -205,8 +206,12 @@ module Pod
       #
       # @return [String]        The formatted string.
       #
+      # @note If CocoaPods is not being run in a terminal or the width of the
+      # terminal is too small a width of 80 is assumed.
+      #
       def wrap_string(txt, indent = '')
         width = `stty size`.split(' ')[1].to_i - indent.length
+        width = 80 unless width >= 10
         txt.strip.gsub(/(.{1,#{width}})( +|$)\n?|(.{#{width}})/, indent + "\\1\\3\n")
       end
     end

spec/unit/local_pod_spec.rb

@@ -56,11 +56,11 @@ describe Pod::LocalPod do
     end
 
     it "returns an expanded list the files to clean" do
-      clean_paths = @pod.clean_paths.map { |p| p.to_s.gsub(/.*pods\/bananalib/,'') }
+      clean_paths = @pod.clean_paths.map { |p| p.to_s.gsub(/.*Pods\/BananaLib/,'') }
       clean_paths.should.include "/.git/config"
       # * There are some hidden files on Travis
       # * The submodule of the repo (libPusher) can be ignore, to reduce noise of this test
-      clean_files_without_hidden = clean_paths.reject { |p| p.to_s.include?('/.') || p.to_s.include?('libpusher') }
+      clean_files_without_hidden = clean_paths.reject { |p| p.to_s.include?('/.') || p.to_s.include?('libPusher') }
       clean_files_without_hidden.should == %W[ /sub-dir /sub-dir/sub-dir-2 /sub-dir/sub-dir-2/somefile.txt ]
     end
 
@@ -208,9 +208,9 @@ describe Pod::LocalPod do
        /StoreKit/StoreKit_Prefix.pch
        /UIKit/UIKit_Prefix.pch
      ]
-     root = @pod.root.to_s.downcase
+     root = @pod.root.to_s
      computed = @pod.clean_paths.each{ |p| p.gsub!(root, '') }
-     assert_array_equals(expected.map(&:downcase), computed)
+     assert_array_equals(expected, computed)
     end
 
     it "resolves the used files" do

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