[Executable] Properly execute things using Open4.spawn using an array of arguments

Gemfile.lock

@@ -33,7 +33,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/cocoapods-downloader.git
-  revision: a5a642e572937eb08097fbf65b30e1e7a3c449e9
+  revision: 217c49204845916071eb3bd160bd7357000f0f62
   branch: master
   specs:
     cocoapods-downloader (0.8.1)

lib/cocoapods/command/lib.rb

@@ -60,7 +60,7 @@ module Pod
         #
         def clone_template
           UI.section("Cloning `#{template_repo_url}` into `#{@name}`.") do
-            git! "clone '#{template_repo_url}' #{@name}"
+            git! ['clone', template_repo_url, @name]
           end
         end
 

lib/cocoapods/command/repo/add.rb

@@ -39,11 +39,11 @@ module Pod
           UI.section("#{prefix} spec repo `#{@name}` from `#{@url}`#{" (branch `#{@branch}`)" if @branch}") do
             config.repos_dir.mkpath
             Dir.chdir(config.repos_dir) do
-              command = "clone '#{@url}' #{@name}"
-              command << ' --depth=1' if @shallow
+              command = ['clone', @url, @name]
+              command << '--depth=1' if @shallow
               git!(command)
             end
-            Dir.chdir(dir) { git!("checkout #{@branch}") } if @branch
+            Dir.chdir(dir) { git!('checkout', @branch) } if @branch
             SourcesManager.check_version_information(dir)
           end
         end

lib/cocoapods/command/repo/push.rb

@@ -146,10 +146,10 @@ module Pod
             FileUtils.cp(spec_file, output_path)
             Dir.chdir(repo_dir) do
               # only commit if modified
-              if git!('status --porcelain 2>&1').include?(spec.name)
+              if git!('status', '--porcelain').include?(spec.name)
                 UI.puts " - #{message}"
-                git!("add #{spec.name}")
-                git!("commit --no-verify -m '#{message}'")
+                git!('add', spec.name)
+                git!('commit', '--no-verify', '-m', message)
               else
                 UI.puts " - [No change] #{spec}"
               end

lib/cocoapods/command/setup.rb

@@ -70,7 +70,7 @@ module Pod
       #
       def set_master_repo_url
         Dir.chdir(master_repo_dir) do
-          git("remote set-url origin '#{url}'")
+          git('remote', 'set-url', 'origin', url)
         end
       end
 
@@ -101,7 +101,7 @@ module Pod
       #
       def set_master_repo_branch
         Dir.chdir(master_repo_dir) do
-          git('checkout master')
+          git %w(checkout master)
         end
       end
 

lib/cocoapods/executable.rb

@@ -19,12 +19,12 @@ module Pod
     # @return [void]
     #
     def executable(name)
-      define_method(name) do |command|
-        Executable.execute_command(name, command, false)
+      define_method(name) do |*command|
+        Executable.execute_command(name, Array(command).flatten, false)
       end
 
-      define_method(name.to_s + '!') do |command|
-        Executable.execute_command(name, command, true)
+      define_method(name.to_s + '!') do |*command|
+        Executable.execute_command(name, Array(command).flatten, true)
       end
     end
 
@@ -33,7 +33,7 @@ module Pod
     # @param  [String] bin
     #         The binary to use.
     #
-    # @param  [String] command
+    # @param  [Array<#to_s>] command
     #         The command to send to the binary.
     #
     # @param  [Bool] raise_on_failure
@@ -54,7 +54,8 @@ module Pod
       require 'open4'
       require 'shellwords'
 
-      full_command = "#{bin.shellescape} #{command}"
+      command = command.map(&:to_s)
+      full_command = "#{bin.shellescape} #{command.map(&:shellescape).join(' ')}"
 
       if Config.instance.verbose?
         UI.message("$ #{full_command}")
@@ -64,7 +65,7 @@ module Pod
       end
 
       options = { :stdout => stdout, :stderr => stderr, :status => true }
-      status  = Open4.spawn(full_command, options)
+      status  = Open4.spawn(bin, command, options)
       output  = stdout.join("\n") + stderr.join("\n")
       unless status.success?
         if raise_on_failure

lib/cocoapods/generator/bridge_support.rb

@@ -15,7 +15,7 @@ module Pod
       end
 
       def save_as(pathname)
-        gen_bridge_metadata %(-c "#{search_paths.join(' ')}" -o '#{pathname}' '#{headers.join("' '")}')
+        gen_bridge_metadata('-c', search_paths.join(' '), '-o', pathname, *headers)
       end
     end
   end

lib/cocoapods/installer/pod_source_installer.rb

@@ -124,7 +124,7 @@ module Pod
             ENV.delete('CDPATH')
             prepare_command = root_spec.prepare_command.strip_heredoc.chomp
             full_command = "\nset -e\n" + prepare_command
-            bash!(full_command)
+            bash!('-c', full_command)
           end
         end
       end

lib/cocoapods/sources_manager.rb

@@ -210,7 +210,7 @@ module Pod
           UI.section "Updating spec repo `#{source.name}`" do
             Dir.chdir(source.repo) do
               begin
-                output = git!('pull --ff-only')
+                output = git! %w(pull --ff-only)
                 UI.puts output if show_output && !config.verbose?
               rescue Informative
                 UI.warn 'CocoaPods was not able to update the ' \
@@ -232,7 +232,7 @@ module Pod
       # @return [Bool] Whether the given source is a GIT repo.
       #
       def git_repo?(dir)
-        Dir.chdir(dir) { git('rev-parse  >/dev/null 2>&1') }
+        Dir.chdir(dir) { `git rev-parse >/dev/null 2>&1` }
         $?.success?
       end
 

spec/functional/command/lib_spec.rb

@@ -21,7 +21,7 @@ module Pod
     it 'should create a new dir for the newly created pod' do
       @sut.any_instance.stubs(:configure_template)
       url = @sut::TEMPLATE_REPO
-      @sut.any_instance.expects(:git!).with("clone '#{url}' TestPod").once
+      @sut.any_instance.expects(:git!).with(['clone', url, 'TestPod']).once
       run_command('lib', 'create', 'TestPod')
     end
 
@@ -47,13 +47,13 @@ module Pod
 
     it 'should use the given template URL' do
       template_url = 'https://github.com/custom/template.git'
-      @sut.any_instance.expects(:git!).with("clone '#{template_url}' TestPod").once
+      @sut.any_instance.expects(:git!).with(['clone', template_url, 'TestPod']).once
       run_command('lib', 'create', 'TestPod', template_url)
     end
 
     it 'should use the default URL if no template URL is given' do
       template_url = 'https://github.com/CocoaPods/pod-template.git'
-      @sut.any_instance.expects(:git!).with("clone '#{template_url}' TestPod").once
+      @sut.any_instance.expects(:git!).with(['clone', template_url, 'TestPod']).once
       run_command('lib', 'create', 'TestPod')
     end
   end

spec/unit/executable_spec.rb

@@ -5,7 +5,7 @@ module Pod
     it 'shows the actual command on failure' do
       e = lambda do
         Executable.execute_command('false',
-                                   '', true)
+                                   [''], true)
       end.should.raise Informative
       e.message.should.match(/false/)
     end
@@ -16,8 +16,8 @@ module Pod
       result = mock
       result.stubs(:success?).returns(true)
 
-      Open4.expects(:spawn).with('/Spa\\ ces/are\\"/fun/false ', :stdout => [], :stderr => [], :status => true).once.returns(result)
-      Executable.execute_command(cmd, '', true)
+      Open4.expects(:spawn).with('/Spa ces/are"/fun/false', [], :stdout => [], :stderr => [], :status => true).once.returns(result)
+      Executable.execute_command(cmd, [], true)
     end
   end
 end

spec/unit/generator/bridge_support_spec.rb

@@ -7,8 +7,8 @@ describe 'Pod::Generator::BridgeSupport' do
     it 'generates a metadata file with the appropriate search paths' do
       headers = %w(/some/dir/foo.h /some/dir/bar.h /some/other/dir/baz.h).map { |h| Pathname.new(h) }
       generator = Pod::Generator::BridgeSupport.new(headers)
-      expected = %(-c "-I '/some/dir' -I '/some/other/dir'" -o '/path/to/Pods.bridgesupport' '#{headers.join("' '")}')
-      generator.expects(:gen_bridge_metadata).with(expected)
+      expected = ['-c', "-I '/some/dir' -I '/some/other/dir'", '-o', '/path/to/Pods.bridgesupport', *headers]
+      generator.expects(:gen_bridge_metadata).with { |*command| command.map(&:to_s) == expected.map(&:to_s) }
       generator.save_as(Pathname.new('/path/to/Pods.bridgesupport'))
     end
   end

spec/unit/sources_manager_spec.rb

@@ -242,7 +242,7 @@ module Pod
 
       it 'uses the only fast forward git option' do
         set_up_test_repo_for_update
-        SourcesManager.expects(:git!).with { |options| options.should.match /--ff-only/ }
+        SourcesManager.expects(:git!).with { |options| options.should.include? '--ff-only' }
         SourcesManager.update(test_repo_path.basename.to_s, true)
       end