chore(deps): update cargo_toml for edition 2024 [fix #10412] (#12270)

Co-authored-by: Fabian-Lars <github@fabianlars.de>

Author: aurelj

.changes/change-pr-12270.md

@@ -0,0 +1,5 @@
+---
+"tauri-build": "patch:bug"
+---
+
+Update `cargo_toml` to `0.21.0`. This adds compatibility with Rust's 2024 Edition.

Cargo.lock

@@ -33,7 +33,7 @@ tauri-utils = { version = "2.1.1", path = "../tauri-utils", features = [
   "build",
   "resources",
 ] }
-cargo_toml = "0.17"
+cargo_toml = "0.21"
 serde = "1"
 serde_json = "1"
 heck = "0.5"

crates/tauri-build/Cargo.toml

@@ -506,19 +506,8 @@ pub fn try_build(attributes: Attributes) -> Result<()> {
 
   cfg_alias("dev", is_dev());
 
-  let ws_path = get_workspace_dir()?;
-  let mut manifest =
-    Manifest::<cargo_toml::Value>::from_slice_with_metadata(&fs::read("Cargo.toml")?)?;
-
-  if let Ok(ws_manifest) = Manifest::from_path(ws_path.join("Cargo.toml")) {
-    Manifest::complete_from_path_and_workspace(
-      &mut manifest,
-      Path::new("Cargo.toml"),
-      Some((&ws_manifest, ws_path.as_path())),
-    )?;
-  } else {
-    Manifest::complete_from_path(&mut manifest, Path::new("Cargo.toml"))?;
-  }
+  let cargo_toml_path = Path::new("Cargo.toml").canonicalize()?;
+  let mut manifest = Manifest::<cargo_toml::Value>::from_path_with_metadata(cargo_toml_path)?;
 
   let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
 
@@ -701,23 +690,3 @@ pub fn try_build(attributes: Attributes) -> Result<()> {
 
   Ok(())
 }
-
-#[derive(serde::Deserialize)]
-struct CargoMetadata {
-  workspace_root: PathBuf,
-}
-
-fn get_workspace_dir() -> Result<PathBuf> {
-  let output = std::process::Command::new("cargo")
-    .args(["metadata", "--no-deps", "--format-version", "1"])
-    .output()?;
-
-  if !output.status.success() {
-    return Err(anyhow::anyhow!(
-      "cargo metadata command exited with a non zero exit code: {}",
-      String::from_utf8(output.stderr)?
-    ));
-  }
-
-  Ok(serde_json::from_slice::<CargoMetadata>(&output.stdout)?.workspace_root)
-}

crates/tauri-build/src/lib.rs

@@ -150,7 +150,7 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 tauri = { path = ".", default-features = false, features = ["wry"] }
 tokio = { version = "1", features = ["full"] }
-cargo_toml = "0.17"
+cargo_toml = "0.21"
 http-range = "0.1.5"
 
 # macOS