feat(cli): process bundle > windows > wix > fragmentPaths with Handlebars (#11521)

* feat(cli): process `bundle > windows > wix > fragmentPaths` with Handlebars

closes #11520

* remove unneeded register_template_string

* Update crates/tauri-bundler/src/bundle/windows/msi/mod.rs

---------

Co-authored-by: Lucas Fernandes Nogueira <lucas@tauri.app>

Author: amrbashir

.changes/bundler-fragment-handlebars.md

@@ -0,0 +1,7 @@
+---
+"tauri-bundler": "minor:feat"
+"tauri-cli": "minor:feat"
+---
+
+Process `bundle > windows > wix > fragmentPaths` with Handlebars to interpolate expressions within it.
+

Cargo.lock

@@ -106,10 +106,7 @@ pub fn bundle_project(settings: &Settings) -> crate::Result<Vec<PathBuf>> {
   // initialize shell script template.
   let mut handlebars = Handlebars::new();
   handlebars.register_escape_fn(handlebars::no_escape);
-  handlebars
-    .register_template_string("appimage", include_str!("./appimage"))
-    .expect("Failed to register template for handlebars");
-  let temp = handlebars.render("appimage", &sh_map)?;
+  let temp = handlebars.render_template(include_str!("./appimage"), &sh_map)?;
 
   // create the shell script file in the target/ folder.
   let sh_file = output_path.join("build_appimage.sh");

crates/tauri-bundler/src/bundle/linux/appimage/mod.rs

@@ -726,38 +726,26 @@ pub fn build_wix_app_installer(
     );
 
     // Create the update task XML
-    let mut skip_uac_task = Handlebars::new();
+    let skip_uac_task = Handlebars::new();
     let xml = include_str!("./update-task.xml");
-    skip_uac_task
-      .register_template_string("update.xml", xml)
-      .map_err(|e| e.to_string())
-      .expect("Failed to setup Update Task handlebars");
+    let update_content = skip_uac_task.render_template(xml, &data)?;
     let temp_xml_path = output_path.join("update.xml");
-    let update_content = skip_uac_task.render("update.xml", &data)?;
     fs::write(temp_xml_path, update_content)?;
 
     // Create the Powershell script to install the task
     let mut skip_uac_task_installer = Handlebars::new();
     skip_uac_task_installer.register_escape_fn(handlebars::no_escape);
     let xml = include_str!("./install-task.ps1");
-    skip_uac_task_installer
-      .register_template_string("install-task.ps1", xml)
-      .map_err(|e| e.to_string())
-      .expect("Failed to setup Update Task Installer handlebars");
+    let install_script_content = skip_uac_task_installer.render_template(xml, &data)?;
     let temp_ps1_path = output_path.join("install-task.ps1");
-    let install_script_content = skip_uac_task_installer.render("install-task.ps1", &data)?;
     fs::write(temp_ps1_path, install_script_content)?;
 
     // Create the Powershell script to uninstall the task
     let mut skip_uac_task_uninstaller = Handlebars::new();
     skip_uac_task_uninstaller.register_escape_fn(handlebars::no_escape);
     let xml = include_str!("./uninstall-task.ps1");
-    skip_uac_task_uninstaller
-      .register_template_string("uninstall-task.ps1", xml)
-      .map_err(|e| e.to_string())
-      .expect("Failed to setup Update Task Uninstaller handlebars");
+    let install_script_content = skip_uac_task_uninstaller.render_template(xml, &data)?;
     let temp_ps1_path = output_path.join("uninstall-task.ps1");
-    let install_script_content = skip_uac_task_uninstaller.render("uninstall-task.ps1", &data)?;
     fs::write(temp_ps1_path, install_script_content)?;
 
     data.insert("enable_elevated_update_task", to_json(true));
@@ -772,7 +760,9 @@ pub fn build_wix_app_installer(
   let extension_regex = Regex::new("\"http://schemas.microsoft.com/wix/(\\w+)\"")?;
   for fragment_path in fragment_paths {
     let fragment_path = current_dir.join(fragment_path);
-    let fragment = fs::read_to_string(&fragment_path)?;
+    let fragment_content = fs::read_to_string(&fragment_path)?;
+    let fragment_handlebars = Handlebars::new();
+    let fragment = fragment_handlebars.render_template(&fragment_content, &data)?;
     let mut extensions = Vec::new();
     for cap in extension_regex.captures_iter(&fragment) {
       extensions.push(wix_toolset_path.join(format!("Wix{}.dll", &cap[1])));