fix(cli): tauri info can't find the latest version for rust crates (#13096)

* fix(cli): `tauri info` can't find the latest version for rust crates

* Forget to remove dbg!

* Use strip_suffix

* Add change file

Author: Legend-Master

.changes/fix-tauri-info-crate-latest-version.md

@@ -0,0 +1,5 @@
+---
+"tauri-cli": patch:bug
+---
+
+Fix `tauri info` can't find the latest version for rust crates

.changes/fix-tauri-info-request-log-level.md

@@ -0,0 +1,5 @@
+---
+"tauri-cli": patch:bug
+---
+
+Fix `tauri info` logging network operations in `info` level instead of `debug`

Cargo.lock

@@ -97,15 +97,30 @@ impl std::fmt::Display for CrateVersion {
   }
 }
 
+// Reference: https://github.com/rust-lang/crates.io/blob/98c83c8231cbcd15d6b8f06d80a00ad462f71585/src/views.rs#L274
+#[derive(serde::Deserialize)]
+struct CrateMetadata {
+  /// The "default" version of this crate.
+  ///
+  /// This version will be displayed by default on the crate's page.
+  pub default_version: Option<String>,
+}
+
+// Reference: https://github.com/rust-lang/crates.io/blob/98c83c8231cbcd15d6b8f06d80a00ad462f71585/src/controllers/krate/metadata.rs#L44
+#[derive(serde::Deserialize)]
+struct CrateIoGetResponse {
+  /// The crate metadata.
+  #[serde(rename = "crate")]
+  krate: CrateMetadata,
+}
+
 pub fn crate_latest_version(name: &str) -> Option<String> {
-  let url = format!("https://docs.rs/crate/{name}/");
-  let response = ureq::get(&url).call().ok()?;
-  if response.status().is_redirection() {
-    if let Some(location) = response.headers().get("location") {
-      return location.to_str().ok().map(|s| s.replace(&url, ""));
-    }
-  }
-  None
+  // Reference: https://github.com/rust-lang/crates.io/blob/98c83c8231cbcd15d6b8f06d80a00ad462f71585/src/controllers/krate/metadata.rs#L88
+  let url = format!("https://crates.io/api/v1/crates/{name}?include");
+  let mut response = ureq::get(&url).call().ok()?;
+  let metadata: CrateIoGetResponse =
+    serde_json::from_reader(response.body_mut().as_reader()).unwrap();
+  metadata.krate.default_version
 }
 
 pub fn crate_version(

crates/tauri-cli/src/helpers/cargo_manifest.rs

@@ -47,18 +47,20 @@ pub fn items(frontend_dir: Option<&PathBuf>, tauri_dir: Option<&Path>) -> Vec<Se
         if o.status.success() {
           let out = String::from_utf8_lossy(o.stdout.as_slice());
           let (package, version) = out.split_once(' ').unwrap_or_default();
-          let latest_ver = crate_latest_version(package).unwrap_or_default();
+          let version = version.strip_suffix('\n').unwrap_or(version);
+          let latest_version = crate_latest_version(package).unwrap_or_default();
           format!(
-            "{} {}: {}{}",
-            package,
-            "🦀",
-            version.split_once('\n').unwrap_or_default().0,
-            if !(version.is_empty() || latest_ver.is_empty()) {
-              let version = semver::Version::parse(version).unwrap();
-              let target_version = semver::Version::parse(latest_ver.as_str()).unwrap();
+            "{package} 🦀: {version}{}",
+            if !(version.is_empty() || latest_version.is_empty()) {
+              let current_version = semver::Version::parse(version).unwrap();
+              let target_version = semver::Version::parse(latest_version.as_str()).unwrap();
 
-              if version < target_version {
-                format!(" ({}, latest: {})", "outdated".yellow(), latest_ver.green())
+              if current_version < target_version {
+                format!(
+                  " ({}, latest: {})",
+                  "outdated".yellow(),
+                  latest_version.green()
+                )
               } else {
                 "".into()
               }