The mount package of darwin requires to retrive mountinfo to check if
the target of unmount if still mounted or not. Thus pull the upstreamed
version of moby/sys to support this operation.
Signed-off-by: Hajime Tazaki <thehajime@gmail.com>
Trying to reduce duplicated effort in maintaining a mountinfo
parser, this patch replaces the local implementation with the
implementation in github.com/moby/sys, which is actively maintained
and contains various optimizations.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>