kubernetes command_groups 源码
kubernetes command_groups 代码
文件路径：/staging/src/k8s.io/kubectl/pkg/util/templates/command_groups.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 (
"github.com/spf13/cobra"
)
type CommandGroup struct {
Message string
Commands []*cobra.Command
}
type CommandGroups []CommandGroup
func (g CommandGroups) Add(c *cobra.Command) {
for _, group := range g {
c.AddCommand(group.Commands...)
}
}
func (g CommandGroups) Has(c *cobra.Command) bool {
for _, group := range g {
for _, command := range group.Commands {
if command == c {
return true
}
}
}
return false
}
func AddAdditionalCommands(g CommandGroups, message string, cmds []*cobra.Command) CommandGroups {
group := CommandGroup{Message: message}
for _, c := range cmds {
// Don't show commands that have no short description
if !g.Has(c) && len(c.Short) != 0 {
group.Commands = append(group.Commands, c)
}
}
if len(group.Commands) == 0 {
return g
}
return append(g, group)
}
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