chore: fix clippy warnings

src/lib.rs

@@ -0,0 +1 @@
+pub mod telemetry;

src/main.rs

@@ -36,13 +36,14 @@ enum MediaKind {
 async fn main() -> color_eyre::Result<()> {
     dotenv().ok();
     color_eyre::install()?;
-    setup_logger()?;
+    setup_logger();
 
     let bot = Bot::from_env();
 
     teloxide::repl(bot, |bot: Bot, msg: Message| async move {
-        if let Some(text) = msg.text() {
-            if let Some(shortcode) = extract_instagram_shortcode(text) {
+        if let Some(text) = msg.text()
+            && let Some(shortcode) = extract_instagram_shortcode(text)
+        {
             let bot_cloned = bot.clone();
             let chat = msg.chat.id;
 
@@ -55,7 +56,6 @@ async fn main() -> color_eyre::Result<()> {
                 }
             });
         }
-        }
         respond(())
     })
     .await;
@@ -77,7 +77,7 @@ async fn fetch_and_send(bot: &Bot, chat_id: ChatId, shortcode: &str) -> Result<(
     let dir_path = dir.path().to_path_buf();
 
     dbg!(&dir_path);
-    let target = format!("-{}", shortcode);
+    let target = format!("-{shortcode}");
     dbg!(&target);
     let status = Command::new("instaloader")
         .arg("--dirname-pattern")
@@ -134,7 +134,7 @@ async fn fetch_and_send(bot: &Bot, chat_id: ChatId, shortcode: &str) -> Result<(
 fn ext_lower(path: &Path) -> Option<String> {
     path.extension()
         .and_then(|s| s.to_str())
-        .map(|s| s.to_ascii_lowercase())
+        .map(str::to_ascii_lowercase)
 }
 
 fn kind_by_magic(path: &Path) -> Option<MediaKind> {

src/telemetry.rs

@@ -1,9 +1,8 @@
-use color_eyre::Result;
 use tracing_bunyan_formatter::{BunyanFormattingLayer, JsonStorageLayer};
 use tracing_subscriber::{EnvFilter, layer::SubscriberExt, util::SubscriberInitExt};
 
-/// # Errors
-pub fn setup_logger() -> Result<()> {
+/// Initialise tracing with bunyan-style JSON output.
+pub fn setup_logger() {
     let env_filter = EnvFilter::try_from_default_env().unwrap_or_else(|_| "info".into());
     let formatter = BunyanFormattingLayer::new("tg-relay-rs".into(), std::io::stdout);
 
@@ -12,6 +11,4 @@ pub fn setup_logger() -> Result<()> {
         .with(JsonStorageLayer)
         .with(formatter)
         .init();
-
-    Ok(())
 }