linkerd2/cli/main.go at alex/bytes · jojinkb/linkerd2

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package main

import (

"fmt"

"os"

"os/exec"

"strings"

"github.com/linkerd/linkerd2/cli/cmd"

)

func main() {

root := cmd.NewRootCmd()

args := os.Args[1:]

if _, _, err := root.Find(args); err != nil {

if strings.HasPrefix(args[0], "-") {

fmt.Fprintln(os.Stderr, "Cannot accept flags before Linkerd extension name")

os.Exit(1)

}

path, err := exec.LookPath(fmt.Sprintf("linkerd-%s", args[0]))

if err == nil {

// We're working with a Linkerd plugin at this point which means

// it's up to the plugin to cleanse the arguments if needed.

//nolint:gosec

plugin := exec.Command(path, args[1:]...)

plugin.Stdin = os.Stdin

plugin.Stdout = os.Stdout

plugin.Stderr = os.Stderr

err = plugin.Run()

if err != nil {

fmt.Fprintln(os.Stderr, err)

os.Exit(1)

}

return

}

if err := root.Execute(); err != nil {

os.Exit(1)

}