lint: correct linting for crate

Signed-off-by: BioTheWolff <[email protected]>

src/fs-gen/src/image_builder.rs

@@ -1,7 +1,6 @@
 use std::{
-    fs::{self, File},
+    fs::{self},
     io::Result,
-    option,
     path::{Path, PathBuf},
     sync::Arc,
     thread,
@@ -13,7 +12,6 @@ use fuse_backend_rs::{
     passthrough::{self, PassthroughFs},
     transport::{FuseChannel, FuseSession},
 };
-use signal_hook::{consts::TERM_SIGNALS, iterator::Signals};
 
 pub struct FuseServer {
     server: Arc<Server<Arc<OverlayFs>>>,

src/fs-gen/src/initramfs_generator.rs

@@ -1,10 +1,10 @@
 use std::fs::{File, Permissions};
-use std::os::unix::fs::PermissionsExt;
 use std::io::Write;
+use std::os::unix::fs::PermissionsExt;
 use std::path::Path;
 use std::process::{Command, Stdio};
 
-const INIT_FILE: &[u8;211] = b"#! /bin/sh
+const INIT_FILE: &[u8; 211] = b"#! /bin/sh
 #
 # Cloudlet initramfs generation
 #
@@ -21,13 +21,15 @@ pub fn create_init_file(path: &Path) {
     let file_path = path.join("init");
     let mut file = File::create(file_path).unwrap();
 
-    file.write_all(INIT_FILE).expect("Could not write init file");
+    file.write_all(INIT_FILE)
+        .expect("Could not write init file");
     file.set_permissions(Permissions::from_mode(0o755)).unwrap();
 }
 
 pub fn generate_initramfs(root_directory: &Path, output: &Path) {
     let file = File::create(output).unwrap();
-    file.set_permissions(Permissions::from_mode(0o644)).expect("Could not set permissions");
+    file.set_permissions(Permissions::from_mode(0o644))
+        .expect("Could not set permissions");
 
     println!("Generating initramfs...");
 
@@ -38,7 +40,9 @@ pub fn generate_initramfs(root_directory: &Path, output: &Path) {
         .arg("find . -print0 | cpio -0 --create --owner=root:root --format=newc | xz -9 --format=lzma")
         .spawn()
         .expect("Failed to package initramfs");
-    command.wait().expect("Failed to wait for initramfs to finish");
+    command
+        .wait()
+        .expect("Failed to wait for initramfs to finish");
 
     println!("Initramfs generated!");
 }

src/fs-gen/src/main.rs

@@ -1,7 +1,7 @@
-use std::{fs::remove_dir_all, path::Path, str::FromStr};
+use std::{fs::remove_dir_all, path::Path};
 
-use image_builder::merge_layer;
 use crate::initramfs_generator::{create_init_file, generate_initramfs};
+use image_builder::merge_layer;
 
 mod cli_args;
 mod image_builder;
@@ -20,7 +20,7 @@ fn main() {
         Err(e) => {
             eprintln!("Error: {}", e);
             return;
-        },
+        }
         Ok(layers_paths) => {
             println!("Image downloaded successfully! Layers' paths:");
             for path in &layers_paths {
@@ -30,7 +30,7 @@ fn main() {
             // FIXME: use a subdir of the temp directory instead
             let path = Path::new(overlay_subdir.as_path());
 
-            merge_layer(&layers_paths, path);
+            merge_layer(&layers_paths, path).expect("Merging layers failed");
             create_init_file(path);
             generate_initramfs(path, Path::new(args.output_file.as_path()));
         }