tailscale/envknob/envknob_testable.go

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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
//go:build !ts_not_in_tests
package envknob
import "runtime"
// GOOS reports the effective runtime.GOOS to run as.
//
// In practice this returns just runtime.GOOS, unless overridden by
// test TS_DEBUG_FAKE_GOOS.
//
// This allows changing OS-specific stuff like the IPN server behavior
// for tests so we can e.g. test Windows-specific behaviors on Linux.
// This isn't universally used.
func GOOS() string {
if v := String("TS_DEBUG_FAKE_GOOS"); v != "" {
return v
}
return runtime.GOOS
}