mirror of
https://github.com/tailscale/tailscale.git
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28 lines
852 B
Go
28 lines
852 B
Go
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build tailscale_go
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package tailscaleroot
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import (
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"fmt"
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"os"
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"strings"
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)
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func init() {
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tsRev, ok := tailscaleToolchainRev()
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if !ok {
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panic("binary built with tailscale_go build tag but failed to read build info or find tailscale.toolchain.rev in build info")
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}
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want := strings.TrimSpace(GoToolchainRev)
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if tsRev != want {
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if os.Getenv("TS_PERMIT_TOOLCHAIN_MISMATCH") == "1" {
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fmt.Fprintf(os.Stderr, "tailscale.toolchain.rev = %q, want %q; but ignoring due to TS_PERMIT_TOOLCHAIN_MISMATCH=1\n", tsRev, want)
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return
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}
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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))
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}
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}
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