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