47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// The printdep command is a build system tool for printing out information
|
|
// about dependencies.
|
|
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"runtime"
|
|
"strings"
|
|
|
|
ts "tailscale.com"
|
|
)
|
|
|
|
var (
|
|
goToolchain = flag.Bool("go", false, "print the supported Go toolchain git hash (a github.com/tailscale/go commit)")
|
|
goToolchainURL = flag.Bool("go-url", false, "print the URL to the tarball of the Tailscale Go toolchain")
|
|
)
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
if *goToolchain {
|
|
fmt.Println(strings.TrimSpace(ts.GoToolchainRev))
|
|
}
|
|
if *goToolchainURL {
|
|
var suffix string
|
|
switch runtime.GOARCH {
|
|
case "amd64":
|
|
// None
|
|
case "arm64":
|
|
suffix = "-" + runtime.GOARCH
|
|
default:
|
|
log.Fatalf("unsupported GOARCH %q", runtime.GOARCH)
|
|
}
|
|
switch runtime.GOOS {
|
|
case "linux", "darwin":
|
|
default:
|
|
log.Fatalf("unsupported GOOS %q", runtime.GOOS)
|
|
}
|
|
fmt.Printf("https://github.com/tailscale/go/releases/download/build-%s/%s%s.tar.gz\n", strings.TrimSpace(ts.GoToolchainRev), runtime.GOOS, suffix)
|
|
}
|
|
}
|