fix: handle renamed dependencies correctly

.gitignore

@@ -0,0 +1 @@
+/target

src/publish.rs

@@ -83,16 +83,20 @@ struct Dep {
 
 impl From<Dep> for crate::index::Dep {
   fn from(source: Dep) -> Self {
+    let (name, package) = match &source.explicit_name_in_toml {
+      Some(explicit) => (explicit.to_string(), Some(source.name.to_string())),
+      None => (source.name.to_string(), None),
+    };
     Self {
-      name: source.name,
+      name,
       req: source.version_req,
       features: source.features,
       optional: source.optional,
       default_features: source.default_features,
       target: source.target,
       kind: source.kind.to_string(),
       registry: source.registry,
-      package: source.explicit_name_in_toml,
+      package,
     }
   }
 }
@@ -353,4 +357,44 @@ mod tests {
     assert_eq!(&crate_path("abcd"), Path::new("ab/cd"));
     assert_eq!(&crate_path("ydasdayusiy"), Path::new("yd/as"));
   }
+
+  #[test]
+  fn convert_simple_dependency() {
+    // rand = { version = "0.8.5" }
+    let dep = Dep {
+      name: "rand".into(),
+      version_req: "0.8.5".into(),
+      features: vec![],
+      optional: false,
+      default_features: true,
+      target: None,
+      kind: Kind::Normal,
+      registry: None,
+      explicit_name_in_toml: None,
+    };
+
+    let index_dep = crate::index::Dep::from(dep);
+    assert_eq!(index_dep.name.as_str(), "rand"); // name of dependency
+    assert_eq!(index_dep.package, None); // null if dependency is not renamed
+  }
+
+  #[test]
+  fn convert_renamed_dependency() {
+    // renamed-rand = { version = "0.8.5", package = "rand" }
+    let dep = Dep {
+      name: "rand".into(),
+      version_req: "0.8.5".into(),
+      features: vec![],
+      optional: false,
+      default_features: true,
+      target: None,
+      kind: Kind::Normal,
+      registry: None,
+      explicit_name_in_toml: Some("renamed-rand".into()),
+    };
+
+    let index_dep = crate::index::Dep::from(dep);
+    assert_eq!(index_dep.name.as_str(), "renamed-rand"); // new name dependency was renamed to
+    assert_eq!(index_dep.package, Some("rand".into())); // name of dependency package
+  }
 }