make ssh operations sync

[xphoniex]

This PR completes the work done in radicle-dev/radicle-keystore#38.

Once these two PRs are merged, cli tooling can be switched over to sync version with minimal change.

Signed-off-by: xphoniex [email protected]

[FintanH]

Do you want to fix the build errors before I review?

[FintanH]

Looks straightforward to me. Fixing the builds would be good so I can also run through the tests locally

[xphoniex]

Do you want to fix the build errors before I review?

Hm... I looked into a few of them and they're not cause by my code e.g. this :

error: unnecessary closure used with `bool::then`
  --> git-ref-format/core/src/lit.rs:24:9
   |
24 |         (c.as_ref() == Self::NAME).then(|| Self::SELF)
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^-------------------
   |                                    |
   |                                    help: use `then_some(..)` instead: `then_some(Self::SELF)`
   |
   = note: `-D clippy::unnecessary-lazy-evaluations` implied by `-D warnings`
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations

[FintanH]

Right, I'm fixing those here #797