tailscale/cmd/printdep/printdep.go
David Anderson 02a2dcfc86 go.toolchain.rev: use new statically built toolchain
Also removes the toolchain builds from flake.nix. For now the flake
build uses upstream Go 1.20, a followup change will switch it back to
our custom toolchain.

Updates tailscale/corp#9005

Signed-off-by: David Anderson <danderson@tailscale.com>
2023-02-02 20:44:12 -08:00

51 lines
1.2 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// 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")
alpine = flag.Bool("alpine", false, "print the tag of alpine docker image")
)
func main() {
flag.Parse()
if *alpine {
fmt.Println(strings.TrimSpace(ts.AlpineDockerTag))
return
}
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)
}
}