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moby--moby/cli/cobra.go
Daniel Nephin 6e7405ebd4 Fix tests and windows service.
Support args to RunCommand
Fix docker help text test.
Fix for ipv6 tests.
Fix TLSverify option.
Fix TestDaemonDiscoveryBackendConfigReload
Use tempfile for another test.
Restore missing flag.
Fix tests for removal of shlex.

Signed-off-by: Daniel Nephin <dnephin@docker.com>
2016-08-25 13:09:36 -04:00

57 lines
1.5 KiB
Go

package cli
import (
"fmt"
"github.com/spf13/cobra"
)
// SetupRootCommand sets default usage, help, and error handling for the
// root command.
func SetupRootCommand(rootCmd *cobra.Command) {
rootCmd.SetUsageTemplate(usageTemplate)
rootCmd.SetHelpTemplate(helpTemplate)
rootCmd.SetFlagErrorFunc(FlagErrorFunc)
rootCmd.PersistentFlags().BoolP("help", "h", false, "Print usage")
rootCmd.PersistentFlags().MarkShorthandDeprecated("help", "please use --help")
}
// FlagErrorFunc prints an error messages which matches the format of the
// docker/docker/cli error messages
func FlagErrorFunc(cmd *cobra.Command, err error) error {
if err == nil {
return err
}
usage := ""
if cmd.HasSubCommands() {
usage = "\n\n" + cmd.UsageString()
}
return StatusError{
Status: fmt.Sprintf("%s\nSee '%s --help'.%s", err, cmd.CommandPath(), usage),
StatusCode: 125,
}
}
var usageTemplate = `Usage: {{if not .HasSubCommands}}{{.UseLine}}{{end}}{{if .HasSubCommands}}{{ .CommandPath}} COMMAND{{end}}
{{ .Short | trim }}{{if gt .Aliases 0}}
Aliases:
{{.NameAndAliases}}{{end}}{{if .HasExample}}
Examples:
{{ .Example }}{{end}}{{if .HasFlags}}
Options:
{{.Flags.FlagUsages | trimRightSpace}}{{end}}{{ if .HasAvailableSubCommands}}
Commands:{{range .Commands}}{{if .IsAvailableCommand}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasSubCommands }}
Run '{{.CommandPath}} COMMAND --help' for more information on a command.{{end}}
`
var helpTemplate = `
{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}`