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Make default context behaves like a real context:

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- when using "--context default" parameter
- when printing the list of contexts
- when exporting the default context to a tarball

Signed-off-by: Jean-Christophe Sirot <jean-christophe.sirot@docker.com>
(+1 squashed commit)
Squashed commits:
[20670495] Fix CLI initialization for the `docker stack deploy --help` command and ensure that the dockerCli.CurrentContext() always returns a non empty context name (default as a fallback)
Remove now obsolete code handling empty string context name
Minor code cleanup

Signed-off-by: Jean-Christophe Sirot <jean-christophe.sirot@docker.com>
This commit is contained in:
Jean-Christophe Sirot
2019-03-06 15:01:12 +01:00
parent 86a5a489f7
commit b3aa17187f
18 changed files with 575 additions and 106 deletions
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2
cli/command/context/export.go
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@ -77,7 +77,7 @@ func writeTo(dockerCli command.Cli, reader io.Reader, dest string) error {
// RunExport exports a Docker context
func RunExport(dockerCli command.Cli, opts *ExportOptions) error {
if err := validateContextName(opts.ContextName); err != nil {
if err := validateContextName(opts.ContextName); err != nil && opts.ContextName != command.DefaultContextName {
return err
}
ctxMeta, err := dockerCli.ContextStore().GetContextMetadata(opts.ContextName)