Before exiting, have kpod shut down the storage library if it can. This
should keep us from leaving mountpoints for the root (for non-vfs cases)
and run directory (with newer containers/storage) busy when testing kpod.
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
We want all kpod subcommands to use the formats code to output
formats like json. Altering kpod diff --json to kpod diff --format json
like the kpod images command.
Signed-off-by: baude <bbaude@redhat.com>
kpod diff reports on differences between two layers, specified as
layer IDs, containers, or images. In the case of containers or
images, kpod diff produces a diff for the top layer
Signed-off-by: Ryan Cole <rcyoalne@gmail.com>