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cmd/tailscale: add "version" subcommand

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Fixes #448

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2020-07-20 20:54:35 -07:00
committed by Brad Fitzpatrick
parent f745e1c058
commit 6095a9b423
2 changed files with 76 additions and 1 deletions
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8
cmd/tailscale/cli/cli.go
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@@ -31,7 +31,8 @@ func ActLikeCLI() bool {
return false
}
switch os.Args[1] {
case "up", "status", "netcheck", "-h", "--help":
case "up", "status", "netcheck", "version",
"-V", "--version", "-h", "--help":
return true
}
return false
@@ -39,6 +40,10 @@ func ActLikeCLI() bool {
// Run runs the CLI. The args do not include the binary name.
func Run(args []string) error {
if len(args) == 1 && (args[0] == "-V" || args[0] == "--version") {
args = []string{"version"}
}
rootfs := flag.NewFlagSet("tailscale", flag.ExitOnError)
rootfs.StringVar(&rootArgs.socket, "socket", paths.DefaultTailscaledSocket(), "path to tailscaled's unix socket")
@@ -54,6 +59,7 @@ change in the future.
upCmd,
netcheckCmd,
statusCmd,
versionCmd,
},
FlagSet: rootfs,
Exec: func(context.Context, []string) error { return flag.ErrHelp },