Retain multiple branches for git repository

Author: kselvraj

lib/ohloh_scm/git/scm.rb

@@ -43,8 +43,10 @@ def fetch_new_commits(remote_scm)
       end
 
       def clone_and_create_tracking_branch(remote_scm)
-        run "rm -rf '#{url}'"
-        run "git clone -q -n '#{remote_scm.url}' '#{url}'"
+        unless status.scm_dir_exist?
+          run "rm -rf '#{url}'"
+          run "git clone -q -n '#{remote_scm.url}' '#{url}'"
+        end
         create_tracking_branch(remote_scm.branch_name) # ensure the correct branch exists locally
         clean_and_checkout_branch # switch to the correct branch
       end

lib/ohloh_scm/version.rb

@@ -2,7 +2,7 @@
 
 module OhlohScm
   module Version
-    STRING = '3.0.2'
+    STRING = '3.0.3'
     GIT = '2.17.1'
     SVN = '1.9.7'
     CVSNT = '2.5.04'