mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-25 11:05:45 +00:00
1005cbc1e4
Fixes #13527 Change-Id: I05921969a84a303b60d1b3b9227aff9865662831 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
28 lines
852 B
Go
28 lines
852 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
//go:build tailscale_go
|
|
|
|
package tailscaleroot
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
func init() {
|
|
tsRev, ok := tailscaleToolchainRev()
|
|
if !ok {
|
|
panic("binary built with tailscale_go build tag but failed to read build info or find tailscale.toolchain.rev in build info")
|
|
}
|
|
want := strings.TrimSpace(GoToolchainRev)
|
|
if tsRev != want {
|
|
if os.Getenv("TS_PERMIT_TOOLCHAIN_MISMATCH") == "1" {
|
|
fmt.Fprintf(os.Stderr, "tailscale.toolchain.rev = %q, want %q; but ignoring due to TS_PERMIT_TOOLCHAIN_MISMATCH=1\n", tsRev, want)
|
|
return
|
|
}
|
|
panic(fmt.Sprintf("binary built with tailscale_go build tag but Go toolchain %q doesn't match github.com/tailscale/tailscale expected value %q; override this failure with TS_PERMIT_TOOLCHAIN_MISMATCH=1", tsRev, want))
|
|
}
|
|
}
|