mirror of https://github.com/docker/docs.git
41 lines
650 B
Go
41 lines
650 B
Go
package commands
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import (
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"fmt"
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"io"
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"os"
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"github.com/docker/machine/libmachine"
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"github.com/docker/machine/libmachine/mcndockerclient"
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)
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func cmdVersion(c CommandLine, api libmachine.API) error {
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return printVersion(c, api, os.Stdout)
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}
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func printVersion(c CommandLine, api libmachine.API, out io.Writer) error {
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if len(c.Args()) == 0 {
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c.ShowVersion()
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return nil
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}
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if len(c.Args()) != 1 {
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return ErrExpectedOneMachine
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}
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host, err := api.Load(c.Args().First())
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if err != nil {
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return err
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}
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version, err := mcndockerclient.DockerVersion(host)
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if err != nil {
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return err
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}
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fmt.Fprintln(out, version)
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return nil
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}
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