func main() {
if reexec.Init() {
return
}
// Set terminal emulation based on platform as required.
stdin, stdout, stderr := term.StdStreams()
logrus.SetOutput(stderr)
flag.Merge(flag.CommandLine, clientFlags.FlagSet, commonFlags.FlagSet)
flag.Usage = func() {
fmt.Fprint(os.Stdout, "Usage: docker [OPTIONS] COMMAND [arg...]\n"+daemonUsage+" docker [ -h | --help | -v | --version ]\n\n")
fmt.Fprint(os.Stdout, "A self-sufficient runtime for containers.\n\nOptions:\n")
flag.CommandLine.SetOutput(os.Stdout)
flag.PrintDefaults()
help := "\nCommands:\n"
for _, cmd := range dockerCommands {
help += fmt.Sprintf(" %-10.10s%s\n", cmd.name, cmd.description)
}
help += "\nRun 'docker COMMAND --help' for more information on a command."
fmt.Fprintf(os.Stdout, "%s\n", help)
}
flag.Parse()
if *flVersion {
showVersion()
return
}
clientCli := client.NewDockerCli(stdin, stdout, stderr, clientFlags)
// TODO: remove once `-d` is retired
handleGlobalDaemonFlag()
if *flHelp {
// if global flag --help is present, regardless of what other options and commands there are,
// just print the usage.
flag.Usage()
return
}
c := cli.New(clientCli, daemonCli)
if err := c.Run(flag.Args()...); err != nil {
if sterr, ok := err.(cli.StatusError); ok {
if sterr.Status != "" {
fmt.Fprintln(os.Stderr, sterr.Status)
os.Exit(1)
}
os.Exit(sterr.StatusCode)
}
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func main() {
// Set terminal emulation based on platform as required.
stdin, stdout, stderr := term.StdStreams()
logrus.SetOutput(stderr)
flag.Merge(flag.CommandLine, clientFlags.FlagSet, commonFlags.FlagSet)
cobraAdaptor := cobraadaptor.NewCobraAdaptor(clientFlags)
flag.Usage = func() {
fmt.Fprint(stdout, "Usage: docker [OPTIONS] COMMAND [arg...]\n docker [ --help | -v | --version ]\n\n")
fmt.Fprint(stdout, "A self-sufficient runtime for containers.\n\nOptions:\n")
flag.CommandLine.SetOutput(stdout)
flag.PrintDefaults()
help := "\nCommands:\n"
dockerCommands := append(cli.DockerCommandUsage, cobraAdaptor.Usage()...)
for _, cmd := range sortCommands(dockerCommands) {
help += fmt.Sprintf(" %-10.10s%s\n", cmd.Name, cmd.Description)
}
help += "\nRun 'docker COMMAND --help' for more information on a command."
fmt.Fprintf(stdout, "%s\n", help)
}
flag.Parse()
if *flVersion {
showVersion()
return
}
if *flHelp {
// if global flag --help is present, regardless of what other options and commands there are,
// just print the usage.
flag.Usage()
return
}
clientCli := client.NewDockerCli(stdin, stdout, stderr, clientFlags)
c := cli.New(clientCli, NewDaemonProxy(), cobraAdaptor)
if err := c.Run(flag.Args()...); err != nil {
if sterr, ok := err.(cli.StatusError); ok {
if sterr.Status != "" {
fmt.Fprintln(stderr, sterr.Status)
}
// StatusError should only be used for errors, and all errors should
// have a non-zero exit status, so never exit with 0
if sterr.StatusCode == 0 {
os.Exit(1)
}
os.Exit(sterr.StatusCode)
}
fmt.Fprintln(stderr, err)
os.Exit(1)
}
}