mirror of https://github.com/linkerd/linkerd2.git
72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
func newCmdCompletion() *cobra.Command {
|
|
example := ` # bash <= 3.2
|
|
source /dev/stdin <<< "$(linkerd completion bash)"
|
|
|
|
# bash >= 4.0
|
|
source <(linkerd completion bash)
|
|
|
|
# bash <= 3.2 on osx
|
|
brew install bash-completion # ensure you have bash-completion 1.3+
|
|
linkerd completion bash > $(brew --prefix)/etc/bash_completion.d/linkerd
|
|
|
|
# bash >= 4.0 on osx
|
|
brew install bash-completion@2
|
|
linkerd completion bash > $(brew --prefix)/etc/bash_completion.d/linkerd
|
|
|
|
# zsh
|
|
source <(linkerd completion zsh)
|
|
|
|
# zsh on osx / oh-my-zsh
|
|
linkerd completion zsh > "${fpath[1]}/_linkerd"`
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "completion [bash|zsh]",
|
|
Short: "Shell completion",
|
|
Long: "Output completion code for the specified shell (bash or zsh).",
|
|
Example: example,
|
|
Args: cobra.ExactArgs(1),
|
|
ValidArgs: []string{"bash", "zsh"},
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
out, err := getCompletion(args[0], cmd.Parent())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Print(out)
|
|
return nil
|
|
},
|
|
}
|
|
|
|
return cmd
|
|
}
|
|
|
|
func getCompletion(sh string, parent *cobra.Command) (string, error) {
|
|
var err error
|
|
var buf bytes.Buffer
|
|
|
|
switch sh {
|
|
case "bash":
|
|
err = parent.GenBashCompletion(&buf)
|
|
case "zsh":
|
|
err = parent.GenZshCompletion(&buf)
|
|
default:
|
|
err = errors.New("unsupported shell type (must be bash or zsh): " + sh)
|
|
}
|
|
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return buf.String(), nil
|
|
}
|