diff --git a/source/dub/generators/build.d b/source/dub/generators/build.d
index 594744b..9ddb93f 100644
--- a/source/dub/generators/build.d
+++ b/source/dub/generators/build.d
@@ -127,7 +127,7 @@
 		// run post-build commands
 		if (!cached && buildsettings.postBuildCommands.length) {
 			logInfo("Running post-build commands...");
-			runBuildCommands(buildsettings.postBuildCommands, pack, settings, buildsettings);
+			runBuildCommands(buildsettings.postBuildCommands, pack, m_project, settings, buildsettings);
 		}
 
 		return cached;
@@ -159,7 +159,7 @@
 
 		if( buildsettings.preBuildCommands.length ){
 			logInfo("Running pre-build commands...");
-			runBuildCommands(buildsettings.preBuildCommands, pack, settings, buildsettings);
+			runBuildCommands(buildsettings.preBuildCommands, pack, m_project, settings, buildsettings);
 		}
 
 		// override target path
@@ -281,7 +281,7 @@
 
 		if( buildsettings.preBuildCommands.length ){
 			logInfo("Running pre-build commands...");
-			runBuildCommands(buildsettings.preBuildCommands, pack, settings, buildsettings);
+			runBuildCommands(buildsettings.preBuildCommands, pack, m_project, settings, buildsettings);
 		}
 
 		buildWithCompiler(settings, buildsettings);
diff --git a/source/dub/generators/generator.d b/source/dub/generators/generator.d
index 1d53b4e..cd28abe 100644
--- a/source/dub/generators/generator.d
+++ b/source/dub/generators/generator.d
@@ -93,7 +93,7 @@
 		foreach (pack; m_project.getTopologicalPackageList(true, null, configs)) {
 			BuildSettings buildsettings;
 			buildsettings.processVars(m_project, pack, pack.getBuildSettings(settings.platform, configs[pack.name]), true);
-			prepareGeneration(pack, settings, buildsettings);
+			prepareGeneration(pack, m_project, settings, buildsettings);
 		}
 
 		string[] mainfiles;
@@ -109,7 +109,7 @@
 			BuildSettings buildsettings;
 			buildsettings.processVars(m_project, pack, pack.getBuildSettings(settings.platform, configs[pack.name]), true);
 			bool generate_binary = !(buildsettings.options & BuildOption.syntaxOnly);
-			finalizeGeneration(pack, settings, buildsettings, Path(bs.targetPath), generate_binary);
+			finalizeGeneration(pack, m_project, settings, buildsettings, Path(bs.targetPath), generate_binary);
 		}
 
 		performPostGenerateActions(settings, targets);
@@ -332,23 +332,24 @@
 /**
 	Runs pre-build commands and performs other required setup before project files are generated.
 */
-private void prepareGeneration(in Package pack, in GeneratorSettings settings, in BuildSettings buildsettings)
+private void prepareGeneration(in Package pack, in Project proj, in GeneratorSettings settings,
+	in BuildSettings buildsettings)
 {
 	if (buildsettings.preGenerateCommands.length) {
 		logInfo("Running pre-generate commands for %s...", pack.name);
-		runBuildCommands(buildsettings.preGenerateCommands, pack, settings, buildsettings);
+		runBuildCommands(buildsettings.preGenerateCommands, pack, proj, settings, buildsettings);
 	}
 }
 
 /**
 	Runs post-build commands and copies required files to the binary directory.
 */
-private void finalizeGeneration(in Package pack, in GeneratorSettings settings, in BuildSettings buildsettings,
-	Path target_path, bool generate_binary)
+private void finalizeGeneration(in Package pack, in Project proj, in GeneratorSettings settings,
+	in BuildSettings buildsettings, Path target_path, bool generate_binary)
 {
 	if (buildsettings.postGenerateCommands.length) {
 		logInfo("Running post-generate commands for %s...", pack.name);
-		runBuildCommands(buildsettings.postGenerateCommands, pack, settings, buildsettings);
+		runBuildCommands(buildsettings.postGenerateCommands, pack, proj, settings, buildsettings);
 	}
 
 	if (generate_binary) {
@@ -440,7 +441,8 @@
 	}
 }
 
-void runBuildCommands(in string[] commands, in Package pack, in GeneratorSettings settings, in BuildSettings build_settings)
+void runBuildCommands(in string[] commands, in Package pack, in Project proj,
+	in GeneratorSettings settings, in BuildSettings build_settings)
 {
 	import std.conv;
 	import std.process;
@@ -474,6 +476,8 @@
 	env["DUB_BUILD_MODE"]        = to!string(settings.buildMode);
 	env["DUB_PACKAGE"]           = pack.name;
 	env["DUB_PACKAGE_DIR"]       = pack.path.toNativeString();
+	env["DUB_ROOT_PACKAGE"]      = proj.rootPackage.name;
+	env["DUB_ROOT_PACKAGE_DIR"]  = proj.rootPackage.path.toNativeString();
 
 	env["DUB_COMBINED"]          = settings.combined?      "TRUE" : "";
 	env["DUB_RUN"]               = settings.run?           "TRUE" : "";