Initial commit

vendor/github.com/hyperhq/hypercli/api/client/logout.go

@@ -0,0 +1,42 @@
+package client
+
+import (
+	"fmt"
+
+	"golang.org/x/net/context"
+
+	Cli "github.com/hyperhq/hypercli/cli"
+	flag "github.com/hyperhq/hypercli/pkg/mflag"
+)
+
+// 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]
+func (cli *DockerCli) CmdLogout(args ...string) error {
+	cmd := Cli.Subcmd("logout", []string{"[SERVER]"}, Cli.DockerCommands["logout"].Description+".\nIf no server is specified, the default is defined by the daemon.", true)
+	cmd.Require(flag.Max, 1)
+
+	cmd.ParseFlags(args, true)
+
+	var serverAddress string
+	if len(cmd.Args()) > 0 {
+		serverAddress = cmd.Arg(0)
+	} else {
+		serverAddress = cli.electAuthServer(context.Background())
+	}
+
+	if _, ok := cli.configFile.AuthConfigs[serverAddress]; !ok {
+		fmt.Fprintf(cli.out, "Not logged in to %s\n", serverAddress)
+		return nil
+	}
+
+	fmt.Fprintf(cli.out, "Remove login credentials for %s\n", serverAddress)
+	delete(cli.configFile.AuthConfigs, serverAddress)
+	if err := cli.configFile.Save(); err != nil {
+		return fmt.Errorf("Failed to save docker config: %v", err)
+	}
+
+	return nil
+}