Brad Fitzpatrick
5df7ac70d6
So js/wasm can override where those go, without implementing an *os.File pipe pair, etc. Updates #3157 Change-Id: I14ba954d9f2349ff15b58796d95ecb1367e8ba3a Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
51 lines
1.1 KiB
Go
51 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 cli
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import (
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"context"
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"flag"
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"log"
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"github.com/peterbourgon/ff/v3/ffcli"
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"tailscale.com/client/tailscale"
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"tailscale.com/version"
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)
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var versionCmd = &ffcli.Command{
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Name: "version",
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ShortUsage: "version [flags]",
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ShortHelp: "Print Tailscale version",
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FlagSet: (func() *flag.FlagSet {
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fs := newFlagSet("version")
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fs.BoolVar(&versionArgs.daemon, "daemon", false, "also print local node's daemon version")
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return fs
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})(),
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Exec: runVersion,
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}
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var versionArgs struct {
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daemon bool // also check local node's daemon version
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}
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func runVersion(ctx context.Context, args []string) error {
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if len(args) > 0 {
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log.Fatalf("too many non-flag arguments: %q", args)
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}
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if !versionArgs.daemon {
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outln(version.String())
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return nil
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}
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printf("Client: %s\n", version.String())
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st, err := tailscale.StatusWithoutPeers(ctx)
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if err != nil {
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return err
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}
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printf("Daemon: %s\n", st.Version)
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return nil
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}
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