toolbox/src/cmd/help.go

97 lines
2.0 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* Copyright © 2019 2020 Red Hat Inc.
*
* 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 (
"errors"
"fmt"
"os"
"github.com/containers/toolbox/pkg/utils"
"github.com/spf13/cobra"
)
var helpCmd = &cobra.Command{
Use: "help",
Short: "Display help information about Toolbox",
RunE: help,
}
func init() {
helpCmd.SetHelpFunc(helpHelp)
rootCmd.AddCommand(helpCmd)
}
func help(cmd *cobra.Command, args []string) error {
if utils.IsInsideContainer() {
if !utils.IsInsideToolboxContainer() {
return errors.New("this is not a toolbox container")
}
if _, err := utils.ForwardToHost(); err != nil {
return err
}
return nil
}
if err := helpShowManual(args); err != nil {
return err
}
return nil
}
func helpHelp(cmd *cobra.Command, args []string) {
if utils.IsInsideContainer() {
if !utils.IsInsideToolboxContainer() {
fmt.Fprintf(os.Stderr, "Error: this is not a toolbox container\n")
return
}
if _, err := utils.ForwardToHost(); err != nil {
fmt.Fprintf(os.Stderr, "Error: %s\n", err)
return
}
return
}
if err := helpShowManual(args); err != nil {
fmt.Fprintf(os.Stderr, "Error: %s\n", err)
return
}
}
func helpShowManual(args []string) error {
var manual string
if len(args) == 0 {
manual = "toolbox"
} else if args[0] == executableBase {
manual = "toolbox"
} else {
manual = "toolbox-" + args[0]
}
if err := utils.ShowManual(manual); err != nil {
return err
}
return nil
}