Ian Campbell e5e578abc7 Allow plugins to make use of the cobra `PersistentPreRun` hooks. ... Previously a plugin which used these hooks would overwrite the top-level plugin command's use of this hook, resulting in the dockerCli object not being fully initialised. Provide a function which plugins can use to chain to the required behaviour. This required some fairly ugly arrangements to preserve state (which was previously in-scope in `newPluginCOmmand`) to be used by the new function. Signed-off-by: Ian Campbell <ijc@docker.com>		2019-01-30 13:45:26 +00:00
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helloworld	Allow plugins to make use of the cobra `PersistentPreRun` hooks.	2019-01-30 13:45:26 +00:00