func generateManPages(path string) error {
header := &doc.GenManHeader{
Title: "DOCKER",
Section: "1",
Source: "Docker Community",
}
stdin, stdout, stderr := term.StdStreams()
dockerCli := client.NewDockerCli(stdin, stdout, stderr)
cmd := &cobra.Command{Use: "docker"}
command.AddCommands(cmd, dockerCli)
cmd.DisableAutoGenTag = true
return doc.GenManTreeFromOpts(cmd, doc.GenManTreeOptions{
Header: header,
Path: path,
CommandSeparator: "-",
})
}
func newDockerCommand(dockerCli *client.DockerCli) *cobra.Command {
opts := cliflags.NewClientOptions()
var flags *pflag.FlagSet
cmd := &cobra.Command{
Use: "docker [OPTIONS] COMMAND [arg...]",
Short: "A self-sufficient runtime for containers.",
SilenceUsage: true,
SilenceErrors: true,
TraverseChildren: true,
Args: noArgs,
RunE: func(cmd *cobra.Command, args []string) error {
if opts.Version {
showVersion()
return nil
}
fmt.Fprintf(dockerCli.Err(), "\n"+cmd.UsageString())
return nil
},
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
// flags must be the top-level command flags, not cmd.Flags()
opts.Common.SetDefaultOptions(flags)
dockerPreRun(opts)
return dockerCli.Initialize(opts)
},
}
cli.SetupRootCommand(cmd)
flags = cmd.Flags()
flags.BoolVarP(&opts.Version, "version", "v", false, "Print version information and quit")
flags.StringVar(&opts.ConfigDir, "config", cliconfig.ConfigDir(), "Location of client config files")
opts.Common.InstallFlags(flags)
cmd.SetOutput(dockerCli.Out())
cmd.AddCommand(newDaemonCommand())
command.AddCommands(cmd, dockerCli)
return cmd
}