From a101cdd4ef02cf6a246b874acebd4eca10cf40d4 Mon Sep 17 00:00:00 2001
From: Vladislav Mamon <norskeld@gmail.com>
Date: Wed, 20 Mar 2024 16:55:53 +0300
Subject: [PATCH] fix: short-circuit when no relays loaded/fetched

---
 src/app.rs | 9 +++++++--
 src/cli.rs | 7 +++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/app.rs b/src/app.rs
index f5e1c7e..802aa3d 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -25,7 +25,7 @@ pub async fn run() -> anyhow::Result<()> {
     | None => Coord::fetch().await?,
   };
 
-  thread::sleep(std::time::Duration::from_secs(1));
+  thread::sleep(Duration::from_secs(1));
 
   // -----------------------------------------------------------------------------------------------
   // 2. Load relays from file and filter them.
@@ -43,7 +43,12 @@ pub async fn run() -> anyhow::Result<()> {
 
   let relays = loader.load()?;
 
-  thread::sleep(std::time::Duration::from_secs(1));
+  thread::sleep(Duration::from_secs(1));
+
+  if relays.is_empty() {
+    spinner.stop();
+    anyhow::bail!("Couldn't find any relays");
+  }
 
   // -----------------------------------------------------------------------------------------------
   // 3. Ping relays.
diff --git a/src/cli.rs b/src/cli.rs
index bfee026..d3f2ec9 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -101,8 +101,11 @@ impl Spinner {
   }
 
   /// Sets the message of the spinner.
-  pub fn set_message(&self, message: &'static str) {
-    self.spinner.set_message(message);
+  pub fn set_message<S>(&self, message: S)
+  where
+    S: Into<String> + AsRef<str>,
+  {
+    self.spinner.set_message(message.into());
   }
 
   /// Stops the spinner and clears the message.