1、svn copy -r BASE d:\branch_test\ svn://repos/test/tags/0.6.32-prerelease -m "tag"
2、svn copy svn://repos/test/trunk svn://repos/test/tags/0.6.32-prerelease -m "tag"
Valid options:
-r [--revision] ARG : ARG (some commands also take ARG1:ARG2 range)
A revision argument can be one of:
NUMBER revision number
'{' DATE '}' revision at start of the date
'HEAD' latest in repository
'BASE' base rev of item's working copy
'COMMITTED' last commit at or before BASE