mirror of https://github.com/containers/podman.git
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
package completion
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"strings"
|
|
|
|
commonComp "github.com/containers/common/pkg/completion"
|
|
"github.com/containers/podman/v2/cmd/podman/registry"
|
|
"github.com/containers/podman/v2/pkg/domain/entities"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
const (
|
|
completionDescription = `Generate shell autocompletions.
|
|
Valid arguments are bash, zsh, and fish.
|
|
Please refer to the man page to see how you can load these completions.`
|
|
)
|
|
|
|
var (
|
|
file string
|
|
noDesc bool
|
|
shells = []string{"bash", "zsh", "fish"}
|
|
completionCmd = &cobra.Command{
|
|
Use: fmt.Sprintf("completion [options] {%s}", strings.Join(shells, "|")),
|
|
Short: "Generate shell autocompletions",
|
|
Long: completionDescription,
|
|
ValidArgs: shells,
|
|
Args: cobra.ExactValidArgs(1),
|
|
RunE: completion,
|
|
Example: `podman completion bash
|
|
podman completion zsh -f _podman
|
|
podman completion fish --no-desc`,
|
|
//don't show this command to users
|
|
Hidden: true,
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
registry.Commands = append(registry.Commands, registry.CliCommand{
|
|
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
|
|
Command: completionCmd,
|
|
})
|
|
flags := completionCmd.Flags()
|
|
fileFlagName := "file"
|
|
flags.StringVarP(&file, fileFlagName, "f", "", "Output the completion to file rather than stdout.")
|
|
_ = completionCmd.RegisterFlagCompletionFunc(fileFlagName, commonComp.AutocompleteDefault)
|
|
|
|
flags.BoolVar(&noDesc, "no-desc", false, "Don't include descriptions in the completion output.")
|
|
}
|
|
|
|
func completion(cmd *cobra.Command, args []string) error {
|
|
var w io.Writer
|
|
|
|
if file != "" {
|
|
file, err := os.Create(file)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer file.Close()
|
|
w = file
|
|
} else {
|
|
w = os.Stdout
|
|
}
|
|
|
|
var err error
|
|
switch args[0] {
|
|
case "bash":
|
|
err = cmd.Root().GenBashCompletion(w)
|
|
case "zsh":
|
|
if noDesc {
|
|
err = cmd.Root().GenZshCompletionNoDesc(w)
|
|
} else {
|
|
err = cmd.Root().GenZshCompletion(w)
|
|
}
|
|
case "fish":
|
|
err = cmd.Root().GenFishCompletion(w, !noDesc)
|
|
}
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = io.WriteString(w, fmt.Sprintf(
|
|
"\n# This file is generated with %q; see: podman-completion(1)\n", cmd.CommandPath(),
|
|
))
|
|
return err
|
|
}
|