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command_groups.go
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command_groups.go
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/*
Copyright 2016 The Kubernetes Authors.
Modifications Copyright 2020 The CakeHappens/seaworthy 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"
)
// CommandGroup represents the commands that are grouped together within the help output
type CommandGroup struct {
Message string
Commands []*cobra.Command
}
// CommandGroups is just a slice of type CommandGroup
type CommandGroups []CommandGroup
// Add adds a cobra command all groups within the CommandGroups
func (g CommandGroups) Add(c *cobra.Command) {
for _, group := range g {
c.AddCommand(group.Commands...)
}
}
// Has checks if a cobra command exists within any CommandGroup within the CommandGroups slice
func (g CommandGroups) Has(c *cobra.Command) bool {
for _, group := range g {
for _, command := range group.Commands {
if command == c {
return true
}
}
}
return false
}
// AddAdditionalCommands creates a new CommandGroup and returns the CommandGroups slice
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) && c.Short != "" {
group.Commands = append(group.Commands, c)
}
}
if len(group.Commands) == 0 {
return g
}
return append(g, group)
}