- The '$GIT_SSH' command will be given exactly two arguments:
- the 'username@host' (or just 'host') from the URL and the
- shell command to execute on that remote system.
+ The '$GIT_SSH' command will be given exactly two or
+ four arguments: the 'username@host' (or just 'host')
+ from the URL and the shell command to execute on that
+ remote system, optionally preceded by '-p' (literally) and
+ the 'port' from the URL when it specifies something other
+ than the default SSH port.