```
$ ./bin/ssh-exec --phabricator-ssh-user admin --ssh-command 'git-lfs-authenticate'
phabricator-ssh-exec: Expected `git-lfs-authenticate <path> <operation>`, but received too few arguments.
```
```
$ ./bin/ssh-exec --phabricator-ssh-user admin --ssh-command 'git-lfs-authenticate x'
phabricator-ssh-exec: Unrecognized repository path "x". Expected a path like "/diffusion/X/" or "/diffusion/123/".
```
```
$ ./bin/ssh-exec --phabricator-ssh-user admin --ssh-command 'git-lfs-authenticate diffusion/22'
Exception: Expected `git-lfs-authenticate <path> <operation>`, but received too few arguments.
```
```
$ ./bin/ssh-exec --phabricator-ssh-user admin --ssh-command 'git-lfs-authenticate diffusion/22 y'
Exception: Git LFS operation "y" is not supported by this server.
```
```
$ ./bin/ssh-exec --phabricator-ssh-user admin --ssh-command 'git-lfs-authenticate diffusion/22 upload'
{"header":{"Authorization":"Basic QGdpdC1sZnM6NmR2bDVreWVsaXNuMmtnNXBtbnZwM3VlaWhubmI1bmI="},"href":"http:\/\/local.phacility.com\/diffusion\/22\/new-callsign-free-repository.git\/info\/lfs"}
```