Added mock build. Part 1

classes/repomanage.rb

@@ -1,3 +1,5 @@
+require_relative "runner"
+
 class RepoManager
   attr :path, :error, :last_status, :last_pid
 
@@ -10,10 +12,14 @@ class RepoManager
   end
 
   def create_repo
-    %x(/usr/bin/createrepo_c --database --workers 1 "#{@path}")
-    result = $?
-    @last_status = result.exitstatus
-    @last_pid = result.pid
-    result
+    repo_path = File.join(@path, "repodata")
+    cmd_args = %Q(/usr/bin/createrepo_c --database --workers 1 "#{@path}")
+    if File.exist?(repo_path)
+      cmd_args = %Q(/usr/bin/createrepo_c --database --workers 1 --update "#{@path}")
+    end
+    cmd = Runner.new(cmd_args)
+    cmd.run
+    @last_status = cmd.exit_status
+    @last_pid = cmd.pid
   end
 end