diff --git a/source/app.d b/source/app.d
index 9ae9af6..1edf84b 100644
--- a/source/app.d
+++ b/source/app.d
@@ -16,6 +16,7 @@
 import dub.internal.vibecompat.core.log;
 import dub.internal.vibecompat.inet.url;
 import dub.package_;
+import dub.packagesupplier;
 import dub.project;
 import dub.registry;
 import dub.version_;
@@ -52,6 +53,7 @@
 		bool print_platform, print_builds, print_configs;
 		bool install_system = false, install_local = false;
 		string install_version;
+		string[] registry_urls;
 		getopt(args,
 			"v|verbose", &verbose,
 			"vverbose", &vverbose,
@@ -70,7 +72,8 @@
 			"print-platform", &print_platform,
 			"system", &install_system,
 			"local", &install_local,
-			"version", &install_version
+			"version", &install_version,
+			"registry", &registry_urls
 			);
 
 		if( vverbose ) loglevel = LogLevel.debug_;
@@ -106,7 +109,7 @@
 			logInfo("");
 		}
 
-		Dub dub = new Dub;
+		Dub dub = new Dub(registry_urls.map!(url => cast(PackageSupplier)new RegistryPS(Url(url))).array);
 		string def_config;
 
 		bool loadCwdPackage()
@@ -334,6 +337,8 @@
         --vverbose       Also output trace messages (produces a lot of output)
     -q  --quiet          Only output warnings and errors
         --vquiet         No output
+        --registry=URL   Search the given DUB registry URL first when resolving
+                         dependencies. Can be specified multiple times.
 
 Build/run options:
         --build=NAME     Specifies the type of build to perform. Note that
diff --git a/source/dub/dub.d b/source/dub/dub.d
index 5082924..3c55431 100644
--- a/source/dub/dub.d
+++ b/source/dub/dub.d
@@ -61,7 +61,7 @@
 
 	/// Initiales the package manager for the vibe application
 	/// under root.
-	this(PackageSupplier[] ps = defaultPackageSuppliers())
+	this(PackageSupplier[] additional_package_suppliers = null)
 	{
 		m_cwd = Path(getcwd());
 
@@ -78,6 +78,11 @@
 		m_userConfig = jsonFromFile(m_userDubPath ~ "settings.json", true);
 		m_systemConfig = jsonFromFile(m_systemDubPath ~ "settings.json", true);
 
+		PackageSupplier[] ps = additional_package_suppliers;
+		if (auto pp = "registryUrls" in m_userConfig) ps ~= deserializeJson!(string[])(*pp).map!(url => new RegistryPS(Url(url))).array;
+		if (auto pp = "registryUrls" in m_systemConfig) ps ~= deserializeJson!(string[])(*pp).map!(url => new RegistryPS(Url(url))).array;
+		ps ~= defaultPackageSuppliers();
+
 		m_packageSuppliers = ps;
 		m_packageManager = new PackageManager(m_userDubPath, m_systemDubPath);
 		updatePackageSearchPath();
diff --git a/source/dub/packagesupplier.d b/source/dub/packagesupplier.d
index f6f08e2..e71d0d7 100644
--- a/source/dub/packagesupplier.d
+++ b/source/dub/packagesupplier.d
@@ -27,11 +27,15 @@
 	
 	/// returns the metadata for the package
 	Json getPackageDescription(const string packageId, const Dependency dep);
+
+	string toString();
 }
 
 class FSPackageSupplier : PackageSupplier {
 	private { Path m_path; }
 	this(Path root) { m_path = root; }
+
+	override string toString() { return "file repository at "~m_path.toNativeString(); }
 	
 	void retrievePackage(const Path path, const string packageId, const Dependency dep) {
 		enforce(path.absolute);
diff --git a/source/dub/project.d b/source/dub/project.d
index aa1b7db..05e1920 100644
--- a/source/dub/project.d
+++ b/source/dub/project.d
@@ -412,15 +412,15 @@
 
 				if( !p ){
 					try {
-						logDiagnostic("using package from registry");
-						foreach(ps; packageSuppliers){
+						logDiagnostic("Fechting package %s (%d suppliers registered)", pkg, packageSuppliers.length);
+						foreach (ps; packageSuppliers) {
 							try {
 								p = new Package(ps.getPackageDescription(ppath[0], reqDep.dependency));
 								foreach (spn; ppath[1 .. $])
 									p = p.getSubPackage(spn);
 								break;
-							} catch(Exception e) {
-								logDiagnostic("No metadata for %s: %s", ps.classinfo.name, e.msg);
+							} catch (Exception e) {
+								logDiagnostic("No metadata for %s: %s", ps.toString(), e.msg);
 							}
 						}
 						enforce(p !is null, "Could not find package candidate for "~pkg~" "~reqDep.dependency.toString());
diff --git a/source/dub/registry.d b/source/dub/registry.d
index 99260c2..5e0d431 100644
--- a/source/dub/registry.d
+++ b/source/dub/registry.d
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