This section is from the "Version Control with Subversion" book, by Ben Collins-Sussman, Brian W. Fitzpatrick and C. Michael Pilato. Also available from Amazon: Version Control with Subversion.
post-lock — Notification of a successful path lock.
The post-lock hook runs after one or more paths has been locked. It is typically used to send email notification of the lock event.
The output from and exit value returned by the post-lock hook program are ignored.