cmd/tailscale: pull out, parameterize up FlagSet creation for tests

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-05-03 09:23:01 -07:00
parent 98d7c28faa
commit fb67d8311c
3 changed files with 45 additions and 22 deletions
@@ -61,8 +61,12 @@ func LocalTCPPortAndToken() (port int, token string, err error) {

 // PlatformUsesPeerCreds reports whether the current platform uses peer credentials
 // to authenticate connections.
-func PlatformUsesPeerCreds() bool {
-	switch runtime.GOOS {
+func PlatformUsesPeerCreds() bool { return GOOSUsesPeerCreds(runtime.GOOS) }
+
+// GOOSUsesPeerCreds is like PlatformUsesPeerCreds but takes a
+// runtime.GOOS value instead of using the current one.
+func GOOSUsesPeerCreds(goos string) bool {
+	switch goos {
 	case "linux", "darwin", "freebsd":
 		return true
 	}