fix(windows): tauri-bundler detect arm system

.changes/windows_arm_signtool_detect.md

@@ -0,0 +1,17 @@
+---
+"tauri-bundler": patch:enhance
+---
+
+Signtool path for windows arm systems was not being properly returned which caused failure in signing of windows binaries.
+
+This patch addresses it.
+
+Previously only the following were supported:
+
+- PROCESSOR_ARCHITECTURE_INTEL
+- PROCESSOR_ARCHITECTURE_AMD64
+
+The following were added:
+
+- PROCESSOR_ARCHITECTURE_ARM
+- PROCESSOR_ARCHITECTURE_ARM64

crates/tauri-bundler/src/bundle/windows/sign.rs

@@ -97,7 +97,7 @@ fn signtool() -> Option<PathBuf> {
       kit_bin_paths.push(kits_root_10_bin_path);
 
       // Choose which version of SignTool to use based on OS bitness
-      let arch_dir = util::os_bitness().ok_or(crate::Error::UnsupportedBitness)?;
+      let arch_dir = util::processor_architecture().ok_or(crate::Error::UnsupportedBitness)?;
 
       /* Iterate through all bin paths, checking for existence of a SignTool executable. */
       for kit_bin_path in &kit_bin_paths {

crates/tauri-bundler/src/bundle/windows/util.rs

@@ -64,16 +64,19 @@ pub fn download_webview2_offline_installer(base_path: &Path, arch: &str) -> crat
 }
 
 #[cfg(target_os = "windows")]
-pub fn os_bitness<'a>() -> Option<&'a str> {
+pub fn processor_architecture<'a>() -> Option<&'a str> {
   use windows_sys::Win32::System::SystemInformation::{
-    GetNativeSystemInfo, PROCESSOR_ARCHITECTURE_AMD64, PROCESSOR_ARCHITECTURE_INTEL, SYSTEM_INFO,
+    GetNativeSystemInfo, PROCESSOR_ARCHITECTURE_AMD64, PROCESSOR_ARCHITECTURE_ARM,
+    PROCESSOR_ARCHITECTURE_ARM64, PROCESSOR_ARCHITECTURE_INTEL, SYSTEM_INFO,
   };
 
   let mut system_info: SYSTEM_INFO = unsafe { std::mem::zeroed() };
   unsafe { GetNativeSystemInfo(&mut system_info) };
   match unsafe { system_info.Anonymous.Anonymous.wProcessorArchitecture } {
     PROCESSOR_ARCHITECTURE_INTEL => Some("x86"),
     PROCESSOR_ARCHITECTURE_AMD64 => Some("x64"),
+    PROCESSOR_ARCHITECTURE_ARM => Some("arm"),
+    PROCESSOR_ARCHITECTURE_ARM64 => Some("arm64"),
     _ => None,
   }
 }