From 344151fa2b83955de9164716ecafd43fbdd3c6e6 Mon Sep 17 00:00:00 2001
From: Anthony Dodd <dodd.anthonyjosiah@gmail.com>
Date: Thu, 24 Sep 2020 07:40:00 -0500
Subject: [PATCH] Add the Metadata.root_package convenience method.

---
 src/lib.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 40643a5a..3deb93f1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -139,6 +139,16 @@ pub struct Metadata {
     __do_not_match_exhaustively: (),
 }
 
+impl Metadata {
+    /// Get the root package of this metadata instance.
+    pub fn root_package(&self) -> Option<&Package> {
+        self.resolve
+            .as_ref()
+            .and_then(|res| res.root.as_ref())
+            .and_then(|root| self.packages.iter().find(|pkg| &pkg.id == root))
+    }
+}
+
 impl<'a> std::ops::Index<&'a PackageId> for Metadata {
     type Output = Package;