refactor(src/utils): simplify directory creation and systemd-inhibit check

- Enhancements: Refactored conditional logic in create_file and rebuild_initramfs to reduce nesting and improve readability

src/utils/system.rs

@@ -17,27 +17,24 @@ pub fn assert_root() {
 
 pub fn create_file(path: &str, content: &str, executable: bool) {
     let path_obj = Path::new(path);
-    if let Some(parent) = path_obj.parent() {
-        if !parent.exists() {
-            if let Err(e) = fs::create_dir_all(parent) {
+    if let Some(parent) = path_obj.parent()
+        && !parent.exists()
+            && let Err(e) = fs::create_dir_all(parent) {
                 error!("Failed to create directories for '{}': {}", path, e);
                 return;
             }
-        }
-    }
 
     match fs::write(path_obj, content) {
         Ok(_) => {
             info!("Created file {}", path);
             debug!("{}", content);
 
-            if executable {
-                if let Ok(mut perms) = fs::metadata(path_obj).map(|m| m.permissions()) {
+            if executable
+                && let Ok(mut perms) = fs::metadata(path_obj).map(|m| m.permissions()) {
                     perms.set_mode(perms.mode() | 0o111);
                     let _ = fs::set_permissions(path_obj, perms);
                     info!("Added execution privilege to file {}", path);
                 }
-            }
         }
         Err(e) => {
             error!("Failed to create file '{}': {}", path, e);
@@ -79,8 +76,8 @@ pub fn rebuild_initramfs() {
         command = vec!["mkinitcpio", "-P"];
     }
 
-    if let Ok(which) = Command::new("which").arg("systemd-inhibit").output() {
-        if which.status.success() {
+    if let Ok(which) = Command::new("which").arg("systemd-inhibit").output()
+        && which.status.success() {
             let mut new_cmd = vec![
                 "systemd-inhibit",
                 "--who=lapctl",
@@ -91,7 +88,6 @@ pub fn rebuild_initramfs() {
             new_cmd.extend(command.iter());
             command = new_cmd;
         }
-    }
 
     if !command.is_empty() {
         println!("Rebuilding the initramfs...");