Change Details

``` nix develop # should get prompted # if yes, prompt should change # if no, prompt should not change rm ~/Library/Caches/app.comm/enable-powerline nix develop # try other option ```

``` nix develop # should get prompted # if yes, prompt should change # if no, prompt should not change rm ~/Library/Caches/app.comm/enable-powerline exit nix develop # try other option ```

``` nix develop # should get prompted # if yes, prompt should change # if no, prompt should not change rm ~/Library/Caches/app.comm/enable-powerline exit nix develop # try other option ```