mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-20 20:10:22 +00:00
83 lines
2.2 KiB
Go
83 lines
2.2 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 cmd
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
|
|
"k8s.io/kubernetes/pkg/kubectl/util/i18n"
|
|
)
|
|
|
|
var helpLong = templates.LongDesc(i18n.T(`
|
|
Help provides help for any command in the application.
|
|
Simply type kubectl help [path to command] for full details.`))
|
|
|
|
func NewCmdHelp() *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "help [command] | STRING_TO_SEARCH",
|
|
DisableFlagsInUseLine: true,
|
|
Short: i18n.T("Help about any command"),
|
|
Long: helpLong,
|
|
|
|
Run: RunHelp,
|
|
}
|
|
|
|
return cmd
|
|
}
|
|
|
|
func RunHelp(cmd *cobra.Command, args []string) {
|
|
foundCmd, _, err := cmd.Root().Find(args)
|
|
|
|
// NOTE(andreykurilin): actually, I did not find any cases when foundCmd can be nil,
|
|
// but let's make this check since it is included in original code of initHelpCmd
|
|
// from github.com/spf13/cobra
|
|
if foundCmd == nil {
|
|
cmd.Printf("Unknown help topic %#q.\n", args)
|
|
cmd.Root().Usage()
|
|
} else if err != nil {
|
|
// print error message at first, since it can contain suggestions
|
|
cmd.Println(err)
|
|
|
|
argsString := strings.Join(args, " ")
|
|
var matchedMsgIsPrinted bool = false
|
|
for _, foundCmd := range foundCmd.Commands() {
|
|
if strings.Contains(foundCmd.Short, argsString) {
|
|
if !matchedMsgIsPrinted {
|
|
cmd.Printf("Matchers of string '%s' in short descriptions of commands: \n", argsString)
|
|
matchedMsgIsPrinted = true
|
|
}
|
|
cmd.Printf(" %-14s %s\n", foundCmd.Name(), foundCmd.Short)
|
|
}
|
|
}
|
|
|
|
if !matchedMsgIsPrinted {
|
|
// if nothing is found, just print usage
|
|
cmd.Root().Usage()
|
|
}
|
|
} else {
|
|
if len(args) == 0 {
|
|
// help message for help command :)
|
|
foundCmd = cmd
|
|
}
|
|
helpFunc := foundCmd.HelpFunc()
|
|
helpFunc(foundCmd, args)
|
|
}
|
|
}
|