fix: multi-platform build errors and warnings

Author: fabienmillet

src-tauri/Cargo.lock

@@ -21,9 +21,9 @@ serde_json = "1"
 sha2 = "0.10"
 tokio = { version = "1", features = ["full"] }
 uuid = { version = "1", features = ["v4"] }
-winapi = { version = "0.3.9", features = ["winioctl", "fileapi", "winnt", "handleapi", "errhandlingapi"] }
 
 [target.'cfg(target_os = "windows")'.dependencies]
+winapi = { version = "0.3.9", features = ["winioctl", "fileapi", "winnt", "handleapi", "errhandlingapi"] }
 windows = { version = "0.58", features = [
     "Win32_Foundation",
     "Win32_Storage_FileSystem",
@@ -34,5 +34,7 @@ windows = { version = "0.58", features = [
 widestring = "1"
 
 [target.'cfg(target_os = "linux")'.dependencies]
+libc = "0.2"
 
 [target.'cfg(target_os = "macos")'.dependencies]
+libc = "0.2"

src-tauri/Cargo.toml

@@ -66,7 +66,12 @@ fn check_admin_status() -> bool {
         .unwrap_or(false)
 }
 
-#[cfg(not(target_os = "windows"))]
+#[cfg(target_os = "linux")]
+fn check_admin_status() -> bool {
+    unsafe { libc::geteuid() == 0 }
+}
+
+#[cfg(target_os = "macos")]
 fn check_admin_status() -> bool {
     unsafe { libc::geteuid() == 0 }
 }

src-tauri/src/commands.rs

@@ -181,7 +181,7 @@ pub fn list_usb_devices() -> Result<Vec<UsbDevice>, String> {
         .output()
         .map_err(|e| format!("Failed to run diskutil: {}", e))?;
 
-    let stdout = String::from_utf8_lossy(&output.stdout);
+    let _stdout = String::from_utf8_lossy(&output.stdout);
     let mut devices = Vec::new();
 
     // Parse plist output - look for disk identifiers

src-tauri/src/usb.rs

@@ -1,7 +1,6 @@
 use crate::writer::{FlashOptions, FlashProgress, FlashResult};
+#[cfg(target_os = "windows")]
 use std::process::{Command, Stdio};
-use std::fs::OpenOptions;
-use std::io::Write;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::time::Instant;
 use tauri::AppHandle;
@@ -323,6 +322,7 @@ fn format_usb_drive(disk_number: u32, options: &FlashOptions) -> Result<(String,
 
 #[cfg(target_os = "windows")]
 fn write_uefi_ntfs(fat_letter: &str) -> Result<(), String> {
+    use std::io::Write;
     use std::os::windows::io::FromRawHandle;
     use windows::Win32::System::Ioctl::{FSCTL_LOCK_VOLUME, FSCTL_DISMOUNT_VOLUME, FSCTL_UNLOCK_VOLUME};
     use windows::Win32::System::IO::DeviceIoControl;
@@ -491,7 +491,7 @@ fn copy_files_robocopy(app: &AppHandle, source: &str, dest: &str, total_bytes: u
                             } else {
                                 // It might be a new file line. Format with /BYTES: Status | Size | Path
                                 let parts: Vec<&str> = trimmed.split_whitespace().collect();
-                                for (i, part) in parts.iter().enumerate() {
+                                for (_i, part) in parts.iter().enumerate() {
                                     if let Ok(size) = part.parse::<u64>() {
                                         // A new file has started. If we missed the 100% of the previous one,
                                         // add it to finished files now just in case.