Don't print potentially verbose help messages in case of usage errors,
but print only the usage error followed by a pointer to the command's
help. This aligns with Docker.
```
$ podman run -h
flag needs an argument: -h
See 'podman run --help'.
```
Signed-off-by: Valentin Rothberg <vrothberg@suse.com>
Closes: #1379
Approved by: rhatdan
Need to get some small changes into libpod to pull back into buildah
to complete buildah transition.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #1270
Approved by: mheon
podman logout --all should remove cached credentials for all registries in
the auth.json file.
Before this, it was asking for a registry to be given with the --all flag also.
Signed-off-by: umohnani8 <umohnani@redhat.com>
Closes: #712
Approved by: rhatdan
TomSweeneyRedHat
Qi Wang
Valentin Rothberg
Daniel J Walsh
umohnani8