fix(core): clippy warnings, simplify embed_plist usage (tauri-apps#10844)

* fix(core): clippy warnings

* fix test

* chore: simplify example

Author: lucasfernog

.changes/embed-plist-no-unit-val.md

@@ -0,0 +1,6 @@
+---
+"tauri-codegen": patch:changes
+"tauri": patch:changes
+---
+
+Changes how the Info.plist is embedded on macOS development to avoid a clippy warning.

crates/tauri-codegen/src/context.rs

@@ -302,7 +302,7 @@ pub fn context_codegen(data: ContextData) -> EmbeddedAssetsResult<TokenStream> {
   };
 
   #[cfg(target_os = "macos")]
-  let info_plist = if target == Target::MacOS && dev && !running_tests {
+  let maybe_embed_plist_block = if target == Target::MacOS && dev && !running_tests {
     let info_plist_path = config_parent.join("Info.plist");
     let mut info_plist = if info_plist_path.exists() {
       plist::Value::from_file(&info_plist_path)
@@ -333,10 +333,10 @@ pub fn context_codegen(data: ContextData) -> EmbeddedAssetsResult<TokenStream> {
       tauri::embed_plist::embed_info_plist!(#plist);
     })
   } else {
-    quote!(())
+    quote!()
   };
   #[cfg(not(target_os = "macos"))]
-  let info_plist = quote!(());
+  let maybe_embed_plist_block = quote!();
 
   let pattern = match &options.pattern {
     PatternKind::Brownfield => quote!(#root::Pattern::Brownfield),
@@ -490,14 +490,15 @@ pub fn context_codegen(data: ContextData) -> EmbeddedAssetsResult<TokenStream> {
   };
 
   let context = quote!({
+    #maybe_embed_plist_block
+
     #[allow(unused_mut, clippy::let_and_return)]
     let mut context = #root::Context::new(
       #config,
       ::std::boxed::Box::new(#assets),
       #default_window_icon,
       #app_icon,
       #package_info,
-      #info_plist,
       #pattern,
       #runtime_authority,
       #plugin_global_api_script

crates/tauri-utils/src/platform.rs

@@ -4,17 +4,18 @@
 
 //! Platform helper functions.
 
-use std::{
-  fmt::Display,
-  path::{Path, PathBuf, MAIN_SEPARATOR},
-};
+use std::{fmt::Display, path::PathBuf};
 
 use serde::{Deserialize, Serialize};
 
 use crate::{Env, PackageInfo};
 
 mod starting_binary;
 
+/// URI prefix of a Tauri asset.
+///
+/// This is referenced in the Tauri Android library,
+/// which resolves these assets to a file descriptor.
 #[cfg(target_os = "android")]
 pub const ANDROID_ASSET_PROTOCOL_URI_PREFIX: &str = "asset://localhost/";
 
@@ -225,16 +226,16 @@ pub fn target_triple() -> crate::Result<String> {
   Ok(format!("{arch}-{os}"))
 }
 
-#[cfg(not(test))]
-fn is_cargo_output_directory(path: &Path) -> bool {
+#[cfg(all(not(test), not(target_os = "android")))]
+fn is_cargo_output_directory(path: &std::path::Path) -> bool {
   path.join(".cargo-lock").exists()
 }
 
 #[cfg(test)]
 const CARGO_OUTPUT_DIRECTORIES: &[&str] = &["debug", "release", "custom-profile"];
 
 #[cfg(test)]
-fn is_cargo_output_directory(path: &Path) -> bool {
+fn is_cargo_output_directory(path: &std::path::Path) -> bool {
   let last_component = path
     .components()
     .last()
@@ -265,21 +266,30 @@ fn is_cargo_output_directory(path: &Path) -> bool {
 /// Android uses a special URI prefix that is resolved by the Tauri file system plugin `asset://localhost/`
 pub fn resource_dir(package_info: &PackageInfo, env: &Env) -> crate::Result<PathBuf> {
   #[cfg(target_os = "android")]
-  return Ok(PathBuf::from(ANDROID_ASSET_PROTOCOL_URI_PREFIX));
-  let exe = current_exe()?;
-  resource_dir_from(exe, package_info, env)
+  return resource_dir_android(package_info, env);
+  #[cfg(not(target_os = "android"))]
+  {
+    let exe = current_exe()?;
+    resource_dir_from(exe, package_info, env)
+  }
+}
+
+#[cfg(target_os = "android")]
+fn resource_dir_android(_package_info: &PackageInfo, _env: &Env) -> crate::Result<PathBuf> {
+  Ok(PathBuf::from(ANDROID_ASSET_PROTOCOL_URI_PREFIX))
 }
 
+#[cfg(not(target_os = "android"))]
 #[allow(unused_variables)]
-fn resource_dir_from<P: AsRef<Path>>(
+fn resource_dir_from<P: AsRef<std::path::Path>>(
   exe: P,
   package_info: &PackageInfo,
   env: &Env,
 ) -> crate::Result<PathBuf> {
   let exe_dir = exe.as_ref().parent().expect("failed to get exe directory");
   let curr_dir = exe_dir.display().to_string();
 
-  let parts: Vec<&str> = curr_dir.split(MAIN_SEPARATOR).collect();
+  let parts: Vec<&str> = curr_dir.split(std::path::MAIN_SEPARATOR).collect();
   let len = parts.len();
 
   // Check if running from the Cargo output directory, which means it's an executable in a development machine

crates/tauri/src/lib.rs

@@ -388,7 +388,6 @@ pub struct Context<R: Runtime> {
   #[cfg(all(desktop, feature = "tray-icon"))]
   pub(crate) tray_icon: Option<image::Image<'static>>,
   pub(crate) package_info: PackageInfo,
-  pub(crate) _info_plist: (),
   pub(crate) pattern: Pattern,
   pub(crate) runtime_authority: RuntimeAuthority,
   pub(crate) plugin_global_api_scripts: Option<&'static [&'static str]>,
@@ -502,7 +501,6 @@ impl<R: Runtime> Context<R> {
     default_window_icon: Option<image::Image<'static>>,
     app_icon: Option<Vec<u8>>,
     package_info: PackageInfo,
-    info_plist: (),
     pattern: Pattern,
     runtime_authority: RuntimeAuthority,
     plugin_global_api_scripts: Option<&'static [&'static str]>,
@@ -517,7 +515,6 @@ impl<R: Runtime> Context<R> {
       #[cfg(all(desktop, feature = "tray-icon"))]
       tray_icon: None,
       package_info,
-      _info_plist: info_plist,
       pattern,
       runtime_authority,
       plugin_global_api_scripts,

crates/tauri/src/test/mod.rs

@@ -131,7 +131,6 @@ pub fn mock_context<R: Runtime, A: Assets<R>>(assets: A) -> crate::Context<R> {
       description: "Tauri test",
       crate_name: "test",
     },
-    _info_plist: (),
     pattern: Pattern::Brownfield,
     runtime_authority: RuntimeAuthority::new(Default::default(), Resolved::default()),
     plugin_global_api_scripts: None,

crates/tauri/src/webview/webview_window.rs

@@ -505,20 +505,6 @@ impl<'a, R: Runtime, M: Manager<R>> WebviewWindowBuilder<'a, R, M> {
     self
   }
 
-  /// Whether the window should be transparent. If this is true, writing colors
-  /// with alpha values different than `1.0` will produce a transparent window.
-  #[cfg(any(not(target_os = "macos"), feature = "macos-private-api"))]
-  #[cfg_attr(
-    docsrs,
-    doc(cfg(any(not(target_os = "macos"), feature = "macos-private-api")))
-  )]
-  #[must_use]
-  pub fn transparent(mut self, transparent: bool) -> Self {
-    self.window_builder = self.window_builder.transparent(transparent);
-    self.webview_builder = self.webview_builder.transparent(transparent);
-    self
-  }
-
   /// Whether the window should have borders and bars.
   #[must_use]
   pub fn decorations(mut self, decorations: bool) -> Self {
@@ -859,6 +845,23 @@ impl<'a, R: Runtime, M: Manager<R>> WebviewWindowBuilder<'a, R, M> {
     self
   }
 
+  /// Whether the window should be transparent. If this is true, writing colors
+  /// with alpha values different than `1.0` will produce a transparent window.
+  #[cfg(any(not(target_os = "macos"), feature = "macos-private-api"))]
+  #[cfg_attr(
+    docsrs,
+    doc(cfg(any(not(target_os = "macos"), feature = "macos-private-api")))
+  )]
+  #[must_use]
+  pub fn transparent(mut self, transparent: bool) -> Self {
+    #[cfg(desktop)]
+    {
+      self.window_builder = self.window_builder.transparent(transparent);
+    }
+    self.webview_builder = self.webview_builder.transparent(transparent);
+    self
+  }
+
   /// Whether page zooming by hotkeys is enabled
   ///
   /// ## Platform-specific:

examples/file-associations/src-tauri/src/main.rs

@@ -49,7 +49,7 @@ fn handle_file_associations(app: AppHandle, files: Vec<PathBuf>) {
 
 fn main() {
   tauri::Builder::default()
-    .setup(|app| {
+    .setup(|#[allow(unused_variables)] app| {
       #[cfg(any(windows, target_os = "linux"))]
       {
         let mut files = Vec::new();