Go program to download and unzip the latest specified package from Nuget

goget.go

package main

import "os"
import "io"
import "fmt"
import "path"
import "net/http"
import "archive/zip"

func downloadPackage(name string) {
    url := fmt.Sprintf("https://www.nuget.org/api/v2/package/%s",name)
    resp, _ := http.Get(url)
    defer resp.Body.Close()
    filename := fmt.Sprintf("%s.nupkg",name)
    out, _ := os.Create(filename)
    defer out.Close()
    io.Copy(out, resp.Body)
}

func unzip(name string) {
    filename := fmt.Sprintf("%s.nupkg",name)
    reader, _ := zip.OpenReader(filename)
    defer reader.Close()
    for _, file := range reader.File {
        in, _ := file.Open()
        defer in.Close()
        relname := path.Join("packages",name, file.Name)
        dir := path.Dir(relname)
        os.MkdirAll(dir, 0777)
        out, _ := os.Create(relname)
        defer out.Close()
        io.Copy(out, in)
    }
}

func main() {
    if len(os.Args) < 2 {
	fmt.Print("Please specify a Nuget package")
	return
    }
    name := os.Args[1]
    downloadPackage(name)
    unzip(name)
}