`pijul push hardy7cc@nest:hardy7cc/test_repo`

```
pijul push hardy7cc@nest:hardy7cc/test_repo
           ^        ^    ^        ^~~~~~~~~
           |        |    |        Repository name
           |        |    ^~~~~~~~
           |        |    Nest user name
           |        ^~~~
           |        Name as defined in ssh config (`Host nest`)
           ^~~~~~~~
           Nest user name
```