Add some more fields.

src/dependency.rs

@@ -2,6 +2,7 @@
 
 use serde::{Deserialize, Deserializer};
 use semver::VersionReq;
+use std::fmt;
 
 #[derive(PartialEq, Clone, Debug, Copy, Serialize, Deserialize)]
 /// Dependencies can come in three kinds
@@ -51,8 +52,29 @@ pub struct Dependency {
     /// The list of features enabled for this dependency.
     pub features: Vec<String>,
     /// The target this dependency is specific to.
-    target: Option<String>,
+    ///
+    /// Use the [`Display`] trait to access the contents.
+    ///
+    /// [`Display`]: https://doc.rust-lang.org/std/fmt/trait.Display.html
+    pub target: Option<Platform>,
+    /// If the dependency is renamed, this is the new name for the dependency
+    /// as a string.  None if it is not renamed.
+    pub rename: Option<String>,
+    /// The URL of the index of the registry where this dependency is from.
+    ///
+    /// If None, the dependency is from crates.io.
+    pub registry: Option<String>,
     #[doc(hidden)]
     #[serde(skip)]
     __do_not_match_exhaustively: (),
 }
+
+/// A target platform.
+#[derive(Clone, Serialize, Deserialize, Debug)]
+pub struct Platform(String);
+
+impl fmt::Display for Platform {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str(&self.0)
+    }
+}

src/lib.rs

@@ -267,6 +267,8 @@ pub struct Package {
     /// ```
     #[serde(default)]
     pub metadata: serde_json::Value,
+    /// The name of a native library the package is linking to.
+    pub links: Option<String>,
     #[doc(hidden)]
     #[serde(skip)]
     __do_not_match_exhaustively: (),