import (
	"flag"
	"fmt"
	"os"
	"runtime"
	"strings"
)

func usage() {
	xprintf(`usage: go tool dist [command]
Commands are:

banner                  print installation banner
bootstrap               rebuild everything
clean                   deletes all built files
env [-p]                print environment (-p: include $PATH)
install [dir]           install individual directory
list [-json] [-broken]  list all supported platforms