helpers.rb in encbs-0.2.0.alpha

- old
+ new

@@ -1,7 +1,7 @@
 def puts_fail(msg)
-  STDERR.puts "#{"Error: ".red}#{msg}"
+  STDERR.puts "#{"Error! ".red}#{msg}"
 
   exit msg.length
 end
 
 def puts_verbose(msg)
@@ -10,19 +10,10 @@
 
 def print_verbose(msg)
   print msg if $PRINT_VERBOSE
 end
 
-def safe_require(&block)
-  yield
-rescue Exception => e
-  puts_fail %Q{This script use these gems: fog, slop.
-    Make sure that you have them all.
-    If you don't have, you may install them: $ gem install fog slop ruby-progressbar
-  }
-end
-
 def try_create_dir(dir)
   begin
     FileUtils.mkdir_p dir unless Dir.exists? dir
   rescue Errno::EACCES
     puts_fail "Permission denied for #{dir.dark_green}"
@@ -37,9 +28,23 @@
 
 def check_rights(file, first_uid, first_gid, second_uid, second_gid)
   unless first_uid == second_uid and first_gid == second_gid
     puts_fail "Group and user wasn't change for #{file.dark_green}"
   end
+end
+
+def create_lock
+  open("/tmp/encbs.lock", "w") do |f|
+    f.puts Process.pid
+  end
+end
+
+def remove_lock
+  FileUtils.rm "/tmp/encbs.lock" if File.exists? "/tmp/encbs.lock"
+end
+
+def lock_exists?
+  File.exists? "/tmp/encbs.lock"
 end
 
 class String
   def red
     colorize(self, "\e[1m\e[31m")