cilium

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// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of Cilium
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package main
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import (
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	"go/build"
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	"os"
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	"os/exec"
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)
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// sudo returns cmd run with sudo. cmd is modified in place.
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func sudo(cmd *exec.Cmd) (*exec.Cmd, error) {
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	sudoPath, err := exec.LookPath("sudo")
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	if err != nil {
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		return nil, err
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	}
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	cmd.Args = append([]string{cmd.Path}, cmd.Args...)
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	cmd.Path = sudoPath
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	return cmd, nil
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}
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// goPath returns the environment $GOPATH, or the default when empty or unset.
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func goPath() string {
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	if gp := os.Getenv("GOPATH"); gp != "" {
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		return gp
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	}
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	return build.Default.GOPATH
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}
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