fix: clippy lints

libraries/droplet/src/main.rs

@@ -1,4 +1,4 @@
-use std::{env, os::unix::fs::MetadataExt, path::PathBuf};
+use std::{env, path::PathBuf};
 
 use droplet_rs::manifest::generate_manifest_rusty;
 use tokio::runtime::Handle;
@@ -11,7 +11,7 @@ pub async fn main() {
     let metrics = Handle::current().metrics();
     println!("using {} workers", metrics.num_workers());
 
-    let manifest = generate_manifest_rusty(
+    let _manifest = generate_manifest_rusty(
         &target_dir,
         |progress| println!("PROGRESS: {}", progress),
         |message| {
@@ -21,37 +21,4 @@ pub async fn main() {
     )
     .await
     .unwrap();
-
-    return;
-
-    // Sanity checks
-    for (_, chunk_data) in manifest.chunks {
-        for file in chunk_data.files {
-            let path = target_dir.join(file.filename);
-            if !path.exists() {
-                panic!("{} doesn't exist", path.display());
-            }
-
-            let metadata = path.metadata().expect("failed to fetch metadata");
-            let file_size = metadata.size();
-            if file.start > file_size as usize {
-                panic!(
-                    "start for {} doesn't make sense: start: {}, size: {}",
-                    path.display(),
-                    file.start,
-                    file_size
-                );
-            }
-
-            let end_position = file.start + file.length;
-            if end_position > file_size as usize {
-                panic!(
-                    "end for {} doesn't make sense: end: {}, size: {}",
-                    path.display(),
-                    end_position,
-                    file_size
-                );
-            }
-        }
-    }
 }

libraries/droplet/src/manifest.rs

@@ -1,6 +1,5 @@
 use std::{
     collections::HashMap,
-    future::Future,
     mem,
     path::Path,
     sync::{
@@ -146,8 +145,8 @@ pub async fn generate_manifest_rusty<T: Fn(String), V: Fn(f32)>(
     let total_manifest_length = Arc::new(AtomicU64::new(0));
 
     // SAFETY: we .join_all() the futures using this
-    let backend: &'static Box<dyn VersionBackend + Send + Sync> =
-        unsafe { mem::transmute(&backend) };
+    let backend: &'static (dyn VersionBackend + Send + Sync) =
+        unsafe { mem::transmute(&*backend) };
 
     let mut futures: JoinSet<Result<(), anyhow::Error>> = JoinSet::new();
     let (send_log, mut recieve_log) = tokio::sync::mpsc::channel(16);

libraries/droplet/src/tests.rs

@@ -19,7 +19,7 @@ fn manifest_gen(resource: &str) {
     runtime.block_on(async move {
         let filepath = Path::new(resource);
         let manifest = generate_manifest_rusty(
-            &filepath,
+            filepath,
             |_| {},
             |message| {
                 println!("({}) {}", filepath.display(), message);
@@ -27,10 +27,13 @@ fn manifest_gen(resource: &str) {
             None,
         )
         .await
-        .expect(&format!(
-            "failed to generate manifest for {}",
-            filepath.display()
-        ));
+        .unwrap_or_else(|err| {
+            panic!(
+                "failed to generate manifest for {}: {:?}",
+                filepath.display(),
+                err
+            )
+        });
 
         let mut output_path = filepath.to_path_buf();
         output_path.set_extension("json");

libraries/droplet/src/versions/archive_backend.rs

@@ -49,7 +49,7 @@ impl AsyncRead for ArchiveReader {
         };
 
         buf.put_slice(block);
-        return Poll::Ready(Ok(()));
+        Poll::Ready(Ok(()))
     }
 }
 

libraries/droplet/src/versions/mod.rs

@@ -28,11 +28,12 @@ pub fn _list_files(vec: &mut Vec<PathBuf>, path: &Path) -> Result<()> {
     Ok(())
 }
 
-const SUPPORTED_FILE_EXTENSIONS: [&'static str; 11] = [
+const SUPPORTED_FILE_EXTENSIONS: [&str; 11] = [
     "tar", "pax", "cpio", "zip", "jar", "ar", "xar", "rar", "rpm", "7z", "iso",
 ];
 
 pub mod types;
+#[allow(clippy::type_complexity)]
 pub fn create_backend_constructor<'a>(
     path: &Path,
 ) -> Option<Box<dyn FnOnce() -> Result<Box<dyn VersionBackend + Send + Sync + 'a>>>> {
@@ -48,11 +49,10 @@ pub fn create_backend_constructor<'a>(
         }));
     };
 
-    let file_extension = path.extension().map(|v| v.to_str()).flatten()?;
+    let file_extension = path.extension().and_then(|v| v.to_str())?;
 
     if SUPPORTED_FILE_EXTENSIONS
-        .iter()
-        .any(|v| *v == file_extension)
+        .contains(&file_extension)
     {
         let buf = path.to_path_buf();
         return Some(Box::new(move || Ok(Box::new(ZipVersionBackend::new(buf)?))));