The 'show' and 'prune' commands accept an option '-n'; document what
it does.
Signed-off-by: Sam Vilain <sam.vilain@catalyst.net.nz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
'show'::
Gives some information about the remote <name>.
++
+With `-n` option, the remote heads are not queried first with
+`git ls-remote <name>`; cached information is used instead.
'prune'::
These stale branches have already been removed from the remote repository
referenced by <name>, but are still locally available in
"remotes/<name>".
++
+With `-n` option, the remote heads are not confirmed first with `git
+ls-remote <name>`; cached information is used instead. Use with
+caution.
'update'::