fix(nsis): can't include resources with $ (#13186)

.changes/escape-nsis-resource-sidecar.md

@@ -0,0 +1,5 @@
+---
+tauri-bundler: patch:bug
+---
+
+Fix NSIS bundler can't include resources and sidecars with `$` in the path

crates/tauri-bundler/src/bundle/windows/nsis/installer.nsi

@@ -630,12 +630,12 @@ Section Install
     CreateDirectory "$INSTDIR\\{{this}}"
   {{/each}}
   {{#each resources}}
-    File /a "/oname={{this.[1]}}" "{{@key}}"
+    File /a "/oname={{this.[1]}}" "{{no-escape @key}}"
   {{/each}}
 
   ; Copy external binaries
   {{#each binaries}}
-    File /a "/oname={{this}}" "{{@key}}"
+    File /a "/oname={{this}}" "{{no-escape @key}}"
   {{/each}}
 
   ; Create file associations

crates/tauri-bundler/src/bundle/windows/nsis/mod.rs

@@ -467,6 +467,7 @@ fn build_nsis_app_installer(
   let mut handlebars = Handlebars::new();
   handlebars.register_helper("or", Box::new(handlebars_or));
   handlebars.register_helper("association-description", Box::new(association_description));
+  handlebars.register_helper("no-escape", Box::new(handlebars_no_escape));
   handlebars.register_escape_fn(|s| {
     let mut output = String::new();
     for c in s.chars() {
@@ -595,6 +596,24 @@ fn association_description(
   Ok(())
 }
 
+fn handlebars_no_escape(
+  h: &handlebars::Helper<'_>,
+  _: &Handlebars<'_>,
+  _: &handlebars::Context,
+  _: &mut handlebars::RenderContext<'_, '_>,
+  out: &mut dyn handlebars::Output,
+) -> handlebars::HelperResult {
+  // get parameter from helper or throw an error
+  let param = h
+    .param(0)
+    .ok_or(handlebars::RenderErrorReason::ParamNotFoundForIndex(
+      "no-escape",
+      0,
+    ))?;
+  write!(out, "{}", param.render())?;
+  Ok(())
+}
+
 /// BTreeMap<OriginalPath, (ParentOfTargetPath, TargetPath)>
 type ResourcesMap = BTreeMap<PathBuf, (PathBuf, PathBuf)>;
 fn generate_resource_data(settings: &Settings) -> crate::Result<ResourcesMap> {