carthage_patch.diff

diff --git a/Source/CarthageKit/Cartfile.swift b/Source/CarthageKit/Cartfile.swift
index b1b1b46..172b3c2 100644
--- a/Source/CarthageKit/Cartfile.swift
+++ b/Source/CarthageKit/Cartfile.swift
@@ -274,11 +274,14 @@ public struct Dependency<V: VersionType>: Equatable {
 	/// The project corresponding to this dependency.
 	public let project: ProjectIdentifier
 
+	public let dependencyOf: ProjectIdentifier?
+
 	/// The version(s) that are required to satisfy this dependency.
 	public var version: V
 
-	public init(project: ProjectIdentifier, version: V) {
+	public init(project: ProjectIdentifier, dependencyOf: ProjectIdentifier?, version: V) {
 		self.project = project
+		self.dependencyOf = dependencyOf
 		self.version = version
 	}
 }
@@ -291,7 +294,7 @@ extension Dependency where V: Scannable {
 	/// Attempts to parse a Dependency specification.
 	public static func fromScanner(scanner: NSScanner) -> Result<Dependency, CarthageError> {
 		return ProjectIdentifier.fromScanner(scanner).flatMap { identifier in
-			return V.fromScanner(scanner).map { specifier in self.init(project: identifier, version: specifier) }
+			return V.fromScanner(scanner).map { specifier in self.init(project: identifier, dependencyOf: nil, version: specifier) }
 		}
 	}
 }
diff --git a/Source/CarthageKit/Resolver.swift b/Source/CarthageKit/Resolver.swift
index 884880b..fa0cae0 100644
--- a/Source/CarthageKit/Resolver.swift
+++ b/Source/CarthageKit/Resolver.swift
@@ -490,9 +490,11 @@ private class DependencyNode: Comparable {
 	/// The dependencies of this node.
 	var dependencies: Set<DependencyNode> = []
 
+	var dependencyOf: DependencyNode?
+
 	/// A Dependency equivalent to this node.
 	var dependencyVersion: Dependency<PinnedVersion> {
-		return Dependency(project: project, version: proposedVersion)
+		return Dependency(project: project, dependencyOf: dependencyOf?.project, version: proposedVersion)
 	}
 
 	init(project: ProjectIdentifier, proposedVersion: PinnedVersion, versionSpecifier: VersionSpecifier) {