FWIW, I changed my git config and I can fetch and push just fine from the command line.

```
$ git --version
git version 1.8.3.4
$ git remote show origin
* remote origin
  Fetch URL: git@git.corp.squareup.com:sq/dashboard.git
  Push  URL: git@git.corp.squareup.com:sq/dashboard.git
```