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package client
import (
"fmt"
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Cli "github.com/docker/docker/cli"
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flag "github.com/docker/docker/pkg/mflag"
)
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// CmdLogout logs a user out from a Docker registry.
//
// If no server is specified, the user will be logged out from the registry's index server.
//
// Usage: docker logout [SERVER]
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func ( cli * DockerCli ) CmdLogout ( args ... string ) error {
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cmd := Cli . Subcmd ( "logout" , [ ] string { "[SERVER]" } , Cli . DockerCommands [ "logout" ] . Description + ".\nIf no server is specified, the default is defined by the daemon." , true )
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cmd . Require ( flag . Max , 1 )
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cmd . ParseFlags ( args , true )
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var serverAddress string
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if len ( cmd . Args ( ) ) > 0 {
serverAddress = cmd . Arg ( 0 )
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} else {
serverAddress = cli . electAuthServer ( )
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}
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// check if we're logged in based on the records in the config file
// which means it couldn't have user/pass cause they may be in the creds store
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if _ , ok := cli . configFile . AuthConfigs [ serverAddress ] ; ! ok {
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fmt . Fprintf ( cli . out , "Not logged in to %s\n" , serverAddress )
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return nil
}
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fmt . Fprintf ( cli . out , "Remove login credentials for %s\n" , serverAddress )
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if err := eraseCredentials ( cli . configFile , serverAddress ) ; err != nil {
fmt . Fprintf ( cli . out , "WARNING: could not erase credentials: %v\n" , err )
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}
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return nil
}