SVN Merge with multi repo

1. Dump SVN repo form svn source directory

   #svnadmin dump svn_source_repo_dir_1 > svn_source_1.dump
   #svnadmin dump svn_source_repo_dir_2 > svn_source_2.dump

2. Create a new SVN repo
   

   #svnadmin create svn_target_repo

3. Load old SVN repo dump file to new SVN source directory
   

   #svnadmin load svn_target_repo --parent-dir svn1_dir < svn_source_1.dump
   #svnadmin load svn_target_repo --parent-dri svn2_dir < svn_source_2.dump