Doug Davis f888d145c2 Better error message for "docker rmi ''" ...

See: https://github.com/docker/docker/issues/10867

While looking at #10867 I noticed that the error message generated for
a blank image ID wasn't very helpful so this fixes that.

Signed-off-by: Doug Davis <dug@us.ibm.com>
Upstream-commit: eeb36c9348b7af339638936a98d66ee4f9be62ee
Component: engine

2015-03-04 13:21:59 -08:00

..

engine

Better error message for "docker rmi ''"

2015-03-04 13:21:59 -08:00