mirror of https://github.com/k3s-io/k3s
103 lines
3.5 KiB
Go
103 lines
3.5 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package templates
|
|
|
|
import (
|
|
"strings"
|
|
"unicode"
|
|
)
|
|
|
|
const (
|
|
// SectionVars is the help template section that declares variables to be used in the template.
|
|
SectionVars = `{{$isRootCmd := isRootCmd .}}` +
|
|
`{{$rootCmd := rootCmd .}}` +
|
|
`{{$visibleFlags := visibleFlags (flagsNotIntersected .LocalFlags .PersistentFlags)}}` +
|
|
`{{$explicitlyExposedFlags := exposed .}}` +
|
|
`{{$optionsCmdFor := optionsCmdFor .}}` +
|
|
`{{$usageLine := usageLine .}}`
|
|
|
|
// SectionAliases is the help template section that displays command aliases.
|
|
SectionAliases = `{{if gt .Aliases 0}}Aliases:
|
|
{{.NameAndAliases}}
|
|
|
|
{{end}}`
|
|
|
|
// SectionExamples is the help template section that displays command examples.
|
|
SectionExamples = `{{if .HasExample}}Examples:
|
|
{{trimRight .Example}}
|
|
|
|
{{end}}`
|
|
|
|
// SectionSubcommands is the help template section that displays the command's subcommands.
|
|
SectionSubcommands = `{{if .HasAvailableSubCommands}}{{cmdGroupsString .}}
|
|
|
|
{{end}}`
|
|
|
|
// SectionFlags is the help template section that displays the command's flags.
|
|
SectionFlags = `{{ if or $visibleFlags.HasFlags $explicitlyExposedFlags.HasFlags}}Options:
|
|
{{ if $visibleFlags.HasFlags}}{{trimRight (flagsUsages $visibleFlags)}}{{end}}{{ if $explicitlyExposedFlags.HasFlags}}{{trimRight (flagsUsages $explicitlyExposedFlags)}}{{end}}
|
|
|
|
{{end}}`
|
|
|
|
// SectionUsage is the help template section that displays the command's usage.
|
|
SectionUsage = `{{if and .Runnable (ne .UseLine "") (ne .UseLine $rootCmd)}}Usage:
|
|
{{$usageLine}}
|
|
|
|
{{end}}`
|
|
|
|
// SectionTipsHelp is the help template section that displays the '--help' hint.
|
|
SectionTipsHelp = `{{if .HasSubCommands}}Use "{{$rootCmd}} <command> --help" for more information about a given command.
|
|
{{end}}`
|
|
|
|
// SectionTipsGlobalOptions is the help template section that displays the 'options' hint for displaying global flags.
|
|
SectionTipsGlobalOptions = `{{if $optionsCmdFor}}Use "{{$optionsCmdFor}}" for a list of global command-line options (applies to all commands).
|
|
{{end}}`
|
|
)
|
|
|
|
// MainHelpTemplate if the template for 'help' used by most commands.
|
|
func MainHelpTemplate() string {
|
|
return `{{with or .Long .Short }}{{. | trim}}{{end}}{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}`
|
|
}
|
|
|
|
// MainUsageTemplate if the template for 'usage' used by most commands.
|
|
func MainUsageTemplate() string {
|
|
sections := []string{
|
|
"\n\n",
|
|
SectionVars,
|
|
SectionAliases,
|
|
SectionExamples,
|
|
SectionSubcommands,
|
|
SectionFlags,
|
|
SectionUsage,
|
|
SectionTipsHelp,
|
|
SectionTipsGlobalOptions,
|
|
}
|
|
return strings.TrimRightFunc(strings.Join(sections, ""), unicode.IsSpace)
|
|
}
|
|
|
|
// OptionsHelpTemplate if the template for 'help' used by the 'options' command.
|
|
func OptionsHelpTemplate() string {
|
|
return ""
|
|
}
|
|
|
|
// OptionsUsageTemplate if the template for 'usage' used by the 'options' command.
|
|
func OptionsUsageTemplate() string {
|
|
return `{{ if .HasInheritedFlags}}The following options can be passed to any command:
|
|
|
|
{{flagsUsages .InheritedFlags}}{{end}}`
|
|
}
|