Add build-target command

ue4cli/UnrealManagerBase.py

@@ -339,7 +339,7 @@ def buildDescriptor(self, dir=os.getcwd(), configuration='Development', target='
 		# If we're using a source build of the Engine then make sure ShaderCompileWorker is built before building project Editor modules
 		if noTools == False and self.isInstalledBuild() == False and self.isProject(descriptor) and target == 'Editor':
 			Utility.printStderr('Ensuring ShaderCompileWorker is built before building project Editor modules...')
-			self._runUnrealBuildTool('ShaderCompileWorker', self.getPlatformIdentifier(), 'Development', [], capture=suppressOutput)
+			self.buildTarget('ShaderCompileWorker', 'Development', [], capture=suppressOutput)
 
 		# Generate the arguments to pass to UBT
 		target = self.getDescriptorName(descriptor) + target if self.isProject(descriptor) else 'UE4Editor'
@@ -348,6 +348,12 @@ def buildDescriptor(self, dir=os.getcwd(), configuration='Development', target='
 		# Perform the build
 		self._runUnrealBuildTool(target, self.getPlatformIdentifier(), configuration, baseArgs + args, capture=suppressOutput)
 
+	def buildTarget(self, target, configuration='Development', args=[], suppressOutput=False):
+		"""
+		Builds the specified target using UBT. Primarily useful for building Engine tools and programs.
+		"""
+		self._runUnrealBuildTool(target, self.getPlatformIdentifier(), configuration, args, capture=suppressOutput)
+
 	def runEditor(self, dir=os.getcwd(), debug=False, args=[]):
 		"""
 		Runs the editor for the Unreal project in the specified directory (or without a project if dir is None)

ue4cli/cli.py

@@ -49,6 +49,12 @@
 		'args': '[EXTRA ARGS]'
 	},
 
+	'build-target': {
+		'description': 'Build the specified target using UBT',
+		'action': lambda m, args: m.buildTarget(args.pop(0), args.pop(0) if (len(args) > 0) else 'Development', args),
+		'args': '<TARGET> [CONFIGURATION]'
+	},
+
 	'run': {
 		'description': 'Run the editor for the Unreal project',
 		'action': lambda m, args: m.runEditor(
@@ -148,7 +154,7 @@
 	{
 		'name': 'Engine-related commands',
 		'description': 'These commands relate to the Unreal Engine itself:',
-		'commands': ['root', 'version', 'editor']
+		'commands': ['root', 'version', 'editor', 'build-target']
 	},
 	{
 		'name': 'Descriptor-related commands',