main: call relay_only only with libp2p feature

1 files changed, 2 insertions, 5 deletions

diff --git a/src/main.rs b/src/main.rs
index 617ca94..8d4ce73 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -62,6 +62,8 @@ async fn main() -> Result<()> {
             "Options of a transport this node doesn't use are ignored"
         );
     }
+    // Only with libp2p: without, `config` refuses `relay-only` already.
+    #[cfg(feature = "libp2p")]
     if args.relay_only {
         return relay_only(args).await;
     }
@@ -359,11 +361,6 @@ async fn relay_only(args: &config::Settings) -> Result<()> {
     Ok(())
 }
 
-#[cfg(not(feature = "libp2p"))]
-async fn relay_only(_args: &config::Settings) -> Result<()> {
-    anyhow::bail!("relay-only relays over libp2p; this build has no libp2p")
-}
-
 /// Turns SIGINT and SIGTERM into a shutdown request. A second signal exits at once (the
 /// supervised Mycelium still gets its parent-death signal then).
 fn watch_for_shutdown() -> Result<watch::Receiver<bool>> {