xUnholy/go-proxy

package environment

import (
    "fmt"
    "io/ioutil"
    "net/url"
    "os"
)

var proxyVariables = []string{
    "ALL_PROXY",
    "HTTP_PROXY",
    "HTTPS_PROXY",
    "FTP_PROXY",
    "http_proxy",
    "https_proxy",
    "ftp_proxy",
}

func UpdateGlobalEnvironmentVariables(proxyURL *url.URL) error {
    dirPath := os.Getenv("HOME")
    filename := fmt.Sprintf("%v/.proxyrc", dirPath)
    data := []byte{}
    for _, v := range proxyVariables {
        a := fmt.Sprintf("export %v=%v\n", v, proxyURL)
        data = append(data, a...)
    }
    err := ioutil.WriteFile(filename, data, 0644)
    if err != nil {
        return err
    }
    output := `To set global proxy Environment variables you must do one of the following:

    Run:
        "source %v"

    OR
        Open new terminal

`
    fmt.Printf(output, filename)
    return nil
}