'git-remote' add [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url>
'git-remote' rm <name>
'git-remote' show [-n] <name>
-'git-remote' prune <name>
+'git-remote' prune [-n | --dry-run] <name>
'git-remote' update [group]
DESCRIPTION
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.
+With `--dry-run` option, report what branches will be pruned, but do no
+actually prune them.
'update'::