Formatting

src/main.rs

@@ -7,7 +7,10 @@ use shanty_db::Database;
 use shanty_org::{DEFAULT_FORMAT, OrgConfig, organize_from_db, organize_from_directory};
 
 #[derive(Parser)]
-#[command(name = "shanty-org", about = "Organize music files into a clean directory structure")]
+#[command(
+    name = "shanty-org",
+    about = "Organize music files into a clean directory structure"
+)]
 struct Cli {
     /// Source directory of music files (standalone mode, reads tags from files).
     #[arg(long)]

src/metadata.rs

@@ -51,9 +51,7 @@ impl TrackMetadata {
             .unwrap_or("")
             .to_string();
 
-        let tagged_file = Probe::open(path)?
-            .options(ParseOptions::default())
-            .read()?;
+        let tagged_file = Probe::open(path)?.options(ParseOptions::default()).read()?;
 
         let tag = tagged_file
             .primary_tag()

src/organizer.rs

@@ -56,10 +56,7 @@ fn resolve_target(target: &Path) -> PathBuf {
         .file_stem()
         .and_then(|s| s.to_str())
         .unwrap_or("file");
-    let ext = target
-        .extension()
-        .and_then(|s| s.to_str())
-        .unwrap_or("");
+    let ext = target.extension().and_then(|s| s.to_str()).unwrap_or("");
     let parent = target.parent().unwrap_or(Path::new("."));
 
     for i in 2..=999 {
@@ -235,10 +232,7 @@ pub async fn organize_from_db(
 }
 
 /// Organize music files from a source directory (standalone, no database).
-pub async fn organize_from_directory(
-    source_dir: &Path,
-    config: &OrgConfig,
-) -> OrgResult<OrgStats> {
+pub async fn organize_from_directory(source_dir: &Path, config: &OrgConfig) -> OrgResult<OrgStats> {
     let mut stats = OrgStats::default();
     let source_root = source_dir
         .canonicalize()
@@ -344,12 +338,11 @@ fn cleanup_empty_dirs_recursive(root: &Path) {
         if dir == root {
             continue;
         }
-        if let Ok(mut entries) = std::fs::read_dir(&dir) {
-            if entries.next().is_none() {
-                if std::fs::remove_dir(&dir).is_ok() {
-                    tracing::debug!(path = %dir.display(), "removed empty directory");
-                }
-            }
+        if let Ok(mut entries) = std::fs::read_dir(&dir)
+            && entries.next().is_none()
+            && std::fs::remove_dir(&dir).is_ok()
+        {
+            tracing::debug!(path = %dir.display(), "removed empty directory");
         }
     }
 }

src/sanitize.rs

@@ -9,7 +9,9 @@ pub fn sanitize_component(s: &str) -> String {
         .collect();
 
     // Trim leading/trailing dots and spaces (problematic on Windows and some Linux tools)
-    result = result.trim_matches(|c: char| c == '.' || c == ' ').to_string();
+    result = result
+        .trim_matches(|c: char| c == '.' || c == ' ')
+        .to_string();
 
     // Collapse consecutive underscores
     while result.contains("__") {

src/template.rs

@@ -49,7 +49,7 @@ pub fn render(template: &str, meta: &TrackMetadata) -> String {
 
     // Split template by "/" so we can sanitize each path component individually.
     // The extension is special — it's part of the filename, not sanitized separately.
-    let result = template
+    template
         .replace("{artist}", &sanitize_component(artist))
         .replace("{album_artist}", &sanitize_component(album_artist))
         .replace("{album}", &sanitize_component(album))
@@ -58,9 +58,7 @@ pub fn render(template: &str, meta: &TrackMetadata) -> String {
         .replace("{disc_number}", &disc_number)
         .replace("{year}", &year)
         .replace("{genre}", &sanitize_component(genre))
-        .replace("{ext}", ext);
-
-    result
+        .replace("{ext}", ext)
 }
 
 #[cfg(test)]
@@ -85,14 +83,23 @@ mod tests {
     fn test_render_default_format() {
         let meta = test_meta();
         let result = render(DEFAULT_FORMAT, &meta);
-        assert_eq!(result, "Pink Floyd/The Dark Side of the Moon/03 - Time.flac");
+        assert_eq!(
+            result,
+            "Pink Floyd/The Dark Side of the Moon/03 - Time.flac"
+        );
     }
 
     #[test]
     fn test_render_custom_format() {
         let meta = test_meta();
-        let result = render("{artist} - {album}/{disc_number}-{track_number} {title}.{ext}", &meta);
-        assert_eq!(result, "Pink Floyd - The Dark Side of the Moon/1-03 Time.flac");
+        let result = render(
+            "{artist} - {album}/{disc_number}-{track_number} {title}.{ext}",
+            &meta,
+        );
+        assert_eq!(
+            result,
+            "Pink Floyd - The Dark Side of the Moon/1-03 Time.flac"
+        );
     }
 
     #[test]
@@ -102,7 +109,10 @@ mod tests {
             ..Default::default()
         };
         let result = render(DEFAULT_FORMAT, &meta);
-        assert_eq!(result, "Unknown Artist/Unknown Album/00 - Unknown Title.mp3");
+        assert_eq!(
+            result,
+            "Unknown Artist/Unknown Album/00 - Unknown Title.mp3"
+        );
     }
 
     #[test]

tests/integration.rs

@@ -87,8 +87,16 @@ async fn test_organize_from_directory() {
     let money_path = target
         .path()
         .join("Pink Floyd/The Dark Side of the Moon/06 - Money.mp3");
-    assert!(time_path.exists(), "Time should exist at {}", time_path.display());
-    assert!(money_path.exists(), "Money should exist at {}", money_path.display());
+    assert!(
+        time_path.exists(),
+        "Time should exist at {}",
+        time_path.display()
+    );
+    assert!(
+        money_path.exists(),
+        "Money should exist at {}",
+        money_path.display()
+    );
 
     // Source files should be gone (moved, not copied)
     assert!(!source.path().join("song1.mp3").exists());
@@ -124,7 +132,12 @@ async fn test_organize_copy_mode() {
     // Source should still exist (copy mode)
     assert!(source.path().join("song.mp3").exists());
     // Target should exist too
-    assert!(target.path().join("Pink Floyd/DSOTM/01 - Time.mp3").exists());
+    assert!(
+        target
+            .path()
+            .join("Pink Floyd/DSOTM/01 - Time.mp3")
+            .exists()
+    );
 }
 
 #[tokio::test]
@@ -237,8 +250,10 @@ async fn test_organize_missing_metadata() {
     assert_eq!(stats.files_organized, 1);
 
     // Should use "Unknown" fallbacks
-    assert!(target
-        .path()
-        .join("Unknown Artist/Unknown Album/00 - Unknown Title.mp3")
-        .exists());
+    assert!(
+        target
+            .path()
+            .join("Unknown Artist/Unknown Album/00 - Unknown Title.mp3")
+            .exists()
+    );
 }