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Due to the iptables package being `init`ed at start of the docker runtime, this means the iptables --wait command listing all rules is run, no matter if the command is simply "docker -h". It makes more sense to both locate the iptables command and check for the wait flag support at the time iptables is actually used, as it may not be used at all if certain network support is off/configured differently. Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp) Upstream-commit: 5e8285b08120f674b12a34c3f146216f6854a173 Component: engine
pkg/ is a collection of utility packages used by the Docker project without being specific to its internals.
Utility packages are kept separate from the docker core codebase to keep it as small and concise as possible. If some utilities grow larger and their APIs stabilize, they may be moved to their own repository under the Docker organization, to facilitate re-use by other projects. However that is not the priority.
The directory pkg is named after the same directory in the camlistore project. Since Brad is a core
Go maintainer, we thought it made sense to copy his methods for organizing Go code :) Thanks Brad!
Because utility packages are small and neatly separated from the rest of the codebase, they are a good place to start for aspiring maintainers and contributors. Get in touch if you want to help maintain them!