anchor.diff:  svn add $fullname-$new_ver-$md5
   curl -O $repo_root/$fullname/$new_ver/$fullname-$new_ver-$zip
   svn add $fullname-$new_ver-$zip
  +curl -O $repo_root/$fullname/$new_ver/$fullname-$new_ver-$zip
  +svn add $fullname-$new_ver-$sha512
   
   if [ "Z${old_ver}Z" == "ZZ" ]; then
           echo "old_ver not specified, so nothing will be removed"
  
positive.code: zip="source-release.zip"
  asc="$zip.asc"
  md5="$zip.md5"
  
  
  fullname="isis-bom"
  
negative.code:         svn delete $fullname-$old_ver-$asc
          svn delete $fullname-$old_ver-$md5
          svn delete $fullname-$old_ver-$zip
          svn delete $fullname-$old_ver-$sha512
  fi
  
  popd
  