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ef15096a7d
The fallthrough happened to work in controlclient already due to the /etc/os-release PRETTY_NAME default, but make it explicit so it doesn't look like an accident. Also add it to version/distro, even though nothing needs it yet.
56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
// Copyright (c) 2020 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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// Package distro reports which distro we're running on.
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package distro
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import (
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"os"
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"runtime"
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)
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type Distro string
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const (
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Debian = Distro("debian")
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Arch = Distro("arch")
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Synology = Distro("synology")
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OpenWrt = Distro("openwrt")
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NixOS = Distro("nixos")
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)
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// Get returns the current distro, or the empty string if unknown.
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func Get() Distro {
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if runtime.GOOS == "linux" {
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return linuxDistro()
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}
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return ""
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}
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func have(file string) bool {
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_, err := os.Stat(file)
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return err == nil
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}
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func haveDir(file string) bool {
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fi, err := os.Stat(file)
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return err == nil && fi.IsDir()
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}
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func linuxDistro() Distro {
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switch {
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case haveDir("usr/syno"):
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return Synology
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case have("/etc/debian_version"):
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return Debian
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case have("/etc/arch-release"):
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return Arch
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case have("/etc/openwrt_version"):
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return OpenWrt
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case have("/run/current-system/sw/bin/nixos-version"):
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return NixOS
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}
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return ""
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}
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