Add -R option to chmod, chown and chgrp with tests

lib/specinfra/command/base/file.rb

@@ -137,17 +137,20 @@ def get_size(file)
       "stat -c %s #{escape(file)}"
     end
 
-    def change_mode(file, mode)
-      "chmod #{mode} #{escape(file)}"
+    def change_mode(file, mode, options = {})
+      option = '-R' if options[:recursive]
+      "chmod #{option} #{mode} #{escape(file)}".squeeze(' ')
     end
 
-    def change_owner(file, owner, group=nil)
+    def change_owner(file, owner, group=nil, options = {})
+      option = '-R' if options[:recursive]
       owner = "#{owner}:#{group}" if group
-      "chown #{owner} #{escape(file)}"
+      "chown #{option} #{owner} #{escape(file)}".squeeze(' ')
     end
 
-    def change_group(file, group)
-      "chgrp #{group} #{escape(file)}"
+    def change_group(file, group, options = {})
+      option = '-R' if options[:recursive]
+      "chgrp #{option} #{group} #{escape(file)}".squeeze(' ')
     end
 
     def create_as_directory(file)

spec/command/base/file_spec.rb

@@ -14,6 +14,10 @@
   it { should eq 'chmod 0644 /tmp' }
 end
 
+describe get_command(:change_file_mode, '/tmp', '0644', :recursive => true) do
+  it { should eq 'chmod -R 0644 /tmp' }
+end
+
 describe get_command(:change_file_owner, '/tmp', 'root') do
   it { should eq 'chown root /tmp' }
 end
@@ -22,10 +26,18 @@
   it { should eq 'chown root:root /tmp' }
 end
 
+describe get_command(:change_file_owner, '/tmp', 'root', 'root', :recursive => true) do
+  it { should eq 'chown -R root:root /tmp' }
+end
+
 describe get_command(:change_file_group, '/tmp', 'root') do
   it { should eq 'chgrp root /tmp' }
 end
 
+describe get_command(:change_file_group, '/tmp', 'root', :recursive => true) do
+  it { should eq 'chgrp -R root /tmp' }
+end
+
 describe get_command(:create_file_as_directory, '/tmp') do
   it { should eq 'mkdir -p /tmp' }
 end