forked from linkerd/linkerd2
/
completion.go
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/
completion.go
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package cmd
import (
"bytes"
"errors"
"fmt"
"github.com/spf13/cobra"
)
var example = ` # bash <= 3.2
source /dev/stdin <<< "$(conduit completion bash)"
# bash >= 4.0
source <(conduit completion bash)
# bash <= 3.2 on osx
brew install bash-completion # ensure you have bash-completion 1.3+
conduit completion bash > $(brew --prefix)/etc/bash_completion.d/conduit
# bash >= 4.0 on osx
brew install bash-completion@2
conduit completion bash > $(brew --prefix)/etc/bash_completion.d/conduit
# zsh
source <(conduit completion zsh)
# zsh on osx / oh-my-zsh
conduit completion zsh > "${fpath[1]}/_conduit"`
var completionCmd = &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])
if err != nil {
return err
}
fmt.Printf(out)
return nil
},
}
func init() {
RootCmd.AddCommand(completionCmd)
}
func getCompletion(sh string) (string, error) {
var err error
var buf bytes.Buffer
switch sh {
case "bash":
err = RootCmd.GenBashCompletion(&buf)
case "zsh":
err = RootCmd.GenZshCompletion(&buf)
default:
err = errors.New("unsupported shell type (must be bash or zsh): " + sh)
}
if err != nil {
return "", err
}
return buf.String(), nil
}