These two dependencies are not really needed, which can be
reproduced via:
```
> export GO111MODULE=on && go mod tidy
```
Signed-off-by: Sascha Grunert <sgrunert@suse.com>
This new member of `Flag` indicates if the flag expects a file as input.
This is especially useful for documentation and shell completion purposes.
Signed-off-by: Sascha Grunert <sgrunert@suse.com>
This commit adds a new method `ToFishCompletion` to the `*App` which can
be used to generate a fish completion string for the application.
Relates to: #351
Signed-off-by: Sascha Grunert <sgrunert@suse.com>
Sascha Grunert