mkdir svnrepo
[skylar@hopper ~]$ svnadmin create svnrepo
[skylar@hopper ~]$ mkdir svn
[skylar@hopper ~]$ cd svn
[skylar@hopper ~/svn]$ svbn    n co file:///cluster/home/skylar/svnrepo
Authentication realm: 905452c1-c9ac-e111-9bd8-001e687902b7
Username: skylar
Checked out revision 0.
[skylar@hopper ~/svn]$ cd svnrepo/
[skylar@hopper ~/svn/svnrepo]$ sha1 ~/tmp/icc
SHA1 (/cluster/home/skylar/tmp/icc) = 29e1d247ac5b518537495ebda3df378fd5025a1b
[skylar@hopper ~/svn/svnrepo]$ cp ~/tmp/icc .
[skylar@hopper ~/svn/svnrepo]$ cp ~/tmp/icc .sha1 ~/tmp/iccicc
SHA1 (icc) = 29e1d247ac5b518537495ebda3df378fd5025a1b
[skylar@hopper ~/svn/svnrepo]$ svn add icc
A  (bin)  icc
[skylar@hopper ~/svn/svnrepo]$ sha1 icc
SHA1 (icc) = 29e1d247ac5b518537495ebda3df378fd5025a1b
[skylar@hopper ~/svn/svnrepo]$ svn commit -m "adding" 
Adding  (bin)  icc
Transmitting file data .
Committed revision 1.
^[[A^[[A[skylar@hopper ~/svn/svnrepo]$ svn commit -m "adding" ha1 icc[3@vn add iccha1 icc
SHA1 (icc) = 1637fef82fb8ae42307dd9edeba3c6ed50bbe0a0
[skylar@hopper ~/svn/svnrepo]$ rm -f icc
[skylar@hopper ~/svn/svnrepo]$ svn update icc
Updating 'icc':
Restored 'icc'
At revision 1.
[skylar@hopper ~/svn/svnrepo]$ svn update iccrm -f iccsha1 icc
SHA1 (icc) = 1637fef82fb8ae42307dd9edeba3c6ed50bbe0a0
[skylar@hopper ~/svn/svnrepo]$