Files
docker-cli/components/engine/cli/cobra.go
Daniel Nephin 8ad0a6fe8f 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>
Upstream-commit: 6e7405ebd4df360bc84f651c977ece31283eb3ee
Component: engine
2016-08-25 13:09:36 -04:00

58 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}}`