1. You can use svn merge --dry-run if you are using command line or if you
are using a client like tortoise then a test merge option should be available.
This won't actually merge but show if there will be any failure in case an
actual merge was performed.
2. Do the re-intergrate
I'm trying to setup a path based authorization using different LDAP groups.
Developers should be able to see all repositories and commit to all repos (the
corresponding LDAP group is subversion_developers)
Business users should be able to see all repositories but only commit to
specific