diff --git a/src/main/java/net/fabricmc/loom/LoomGradleExtension.java b/src/main/java/net/fabricmc/loom/LoomGradleExtension.java
index 8f1c7f16..0ea0dd8d 100644
--- a/src/main/java/net/fabricmc/loom/LoomGradleExtension.java
+++ b/src/main/java/net/fabricmc/loom/LoomGradleExtension.java
@@ -92,6 +92,8 @@ public class LoomGradleExtension {
 	private Mercury[] srcMercuryCache = new Mercury[2];
 	private final LazyBool forge;
 	private Set<File> mixinMappings = Collections.synchronizedSet(new HashSet<>());
+	private final List<String> tasksBeforeRun = Collections.synchronizedList(new ArrayList<>());
+	private boolean silentMojangMappingsLicense = false;
 
 	/**
 	 * Loom will generate a new genSources task (with a new name, based off of {@link LoomDecompiler#name()})
@@ -119,7 +121,25 @@ public class LoomGradleExtension {
 	public Mercury getOrCreateSrcMercuryCache(int id, Supplier<Mercury> factory) {
 		return srcMercuryCache[id] != null ? srcMercuryCache[id] : (srcMercuryCache[id] = factory.get());
 	}
-
+	
+	public void addTaskBeforeRun(String task) {
+		synchronized(this.tasksBeforeRun) {
+			this.tasksBeforeRun.add(task);
+		}
+	}
+	
+	public List<String> getTasksBeforeRun() {
+		return tasksBeforeRun;
+	}
+	
+	public void silentMojangMappingsLicense() {
+		this.silentMojangMappingsLicense = true;
+	}
+	
+	public boolean isSilentMojangMappingsLicenseEnabled() {
+		return silentMojangMappingsLicense;
+	}
+	
 	public Dependency officialMojangMappings() {
 		return new MojangMappingsDependency(project, this);
 	}
diff --git a/src/main/java/net/fabricmc/loom/util/RunConfig.java b/src/main/java/net/fabricmc/loom/util/RunConfig.java
index f989c217..8575379a 100644
--- a/src/main/java/net/fabricmc/loom/util/RunConfig.java
+++ b/src/main/java/net/fabricmc/loom/util/RunConfig.java
@@ -24,36 +24,32 @@
 
 package net.fabricmc.loom.util;
 
-import static net.fabricmc.loom.AbstractPlugin.isRootProject;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-import java.util.stream.StreamSupport;
-
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
+import net.fabricmc.loom.LoomGradleExtension;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
+import org.gradle.api.Project;
 import org.gradle.api.plugins.JavaPluginConvention;
 import org.gradle.api.tasks.SourceSet;
+import org.gradle.plugins.ide.eclipse.model.EclipseModel;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
-import org.gradle.api.Project;
-import org.gradle.plugins.ide.eclipse.model.EclipseModel;
 
-import net.fabricmc.loom.LoomGradleExtension;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
+
+import static net.fabricmc.loom.AbstractPlugin.isRootProject;
 
 public class RunConfig {
 	public String configName;
@@ -63,6 +59,7 @@ public class RunConfig {
 	public String runDir;
 	public String vmArgs;
 	public String programArgs;
+	public List<String> tasksBeforeRun = new ArrayList<>();
 	public final Map<String, String> envVariables = new HashMap<>();
 
 	public Element genRuns(Element doc) {
@@ -88,7 +85,25 @@ public class RunConfig {
 				this.addXml(envs, "env", ImmutableMap.of("name", envEntry.getKey(), "value", envEntry.getValue()));
 			}
 		}
-
+		
+		if (!tasksBeforeRun.isEmpty()) {
+			Element methodElement = this.addXml(root, "method", ImmutableMap.of("v", "2"));
+			
+			this.addXml(methodElement, "option", ImmutableMap.of("name", "Make", "enabled", "true"));
+			for (String s : tasksBeforeRun) {
+				String project = s.substring(0, s.lastIndexOf(':'));
+				String task = s.substring(s.lastIndexOf(':') + 1);
+				this.addXml(methodElement, "option", ImmutableMap.<String, String>builder()
+						.put("name", "Gradle.BeforeRunTask")
+						.put("enabled", "true")
+						.put("tasks", task)
+						.put("externalProjectPath", project)
+						.put("vmOptions", "")
+						.put("scriptParameters", "")
+						.build());
+			}
+		}
+		
 		return root;
 	}
 
@@ -186,6 +201,7 @@ public class RunConfig {
 		populate(project, extension, ideaClient, "client");
 		ideaClient.vmArgs += getOSClientJVMArgs();
 		ideaClient.vmArgs += " -Dfabric.dli.main=" + getMainClass("client", extension);
+		ideaClient.tasksBeforeRun = new ArrayList<>(extension.getTasksBeforeRun());
 
 		return ideaClient;
 	}
@@ -197,6 +213,7 @@ public class RunConfig {
 		ideaServer.configName = "Minecraft Server";
 		populate(project, extension, ideaServer, "server");
 		ideaServer.vmArgs += " -Dfabric.dli.main=" + getMainClass("server", extension);
+		ideaServer.tasksBeforeRun = new ArrayList<>(extension.getTasksBeforeRun());
 
 		return ideaServer;
 	}
@@ -239,6 +256,14 @@ public class RunConfig {
 		}
 
 		dummyConfig = dummyConfig.replace("%ENVS%", envs);
+		
+		StringBuilder tasksToRun = new StringBuilder();
+		for (String s : tasksBeforeRun) {
+			String project = s.substring(0, s.lastIndexOf(':'));
+			String task = s.substring(s.lastIndexOf(':') + 1);
+			tasksToRun.append(" <option name=\"Gradle.BeforeRunTask\" enabled=\"true\" tasks=\"").append(task).append("\" externalProjectPath=\"").append(project).append("\" vmOptions=\"\" scriptParameters=\"\" />");
+		}
+		dummyConfig = dummyConfig.replace("%TASKS%", tasksToRun.toString());
 
 		return dummyConfig;
 	}
diff --git a/src/main/java/net/fabricmc/loom/util/mappings/MojangMappingsDependency.java b/src/main/java/net/fabricmc/loom/util/mappings/MojangMappingsDependency.java
index b84d8d2b..6fd15bc6 100644
--- a/src/main/java/net/fabricmc/loom/util/mappings/MojangMappingsDependency.java
+++ b/src/main/java/net/fabricmc/loom/util/mappings/MojangMappingsDependency.java
@@ -100,20 +100,22 @@ public class MojangMappingsDependency implements SelfResolvingDependency {
 			}
 		}
 
-		try (BufferedReader clientBufferedReader = Files.newBufferedReader(clientMappings, StandardCharsets.UTF_8)) {
-			project.getLogger().warn("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
-			project.getLogger().warn("Using of the official minecraft mappings is at your own risk!");
-			project.getLogger().warn("Please make sure to read and understand the following license:");
-			project.getLogger().warn("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
-			String line;
-
-			while ((line = clientBufferedReader.readLine()).startsWith("#")) {
-				project.getLogger().warn(line);
+		if (!extension.isSilentMojangMappingsLicenseEnabled()) {
+			try (BufferedReader clientBufferedReader = Files.newBufferedReader(clientMappings, StandardCharsets.UTF_8)) {
+				project.getLogger().warn("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
+				project.getLogger().warn("Using of the official minecraft mappings is at your own risk!");
+				project.getLogger().warn("Please make sure to read and understand the following license:");
+				project.getLogger().warn("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
+				String line;
+				
+				while ((line = clientBufferedReader.readLine()).startsWith("#")) {
+					project.getLogger().warn(line);
+				}
+				
+				project.getLogger().warn("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
+			} catch (IOException e) {
+				throw new RuntimeException("Failed to read client mappings", e);
 			}
-
-			project.getLogger().warn("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
-		} catch (IOException e) {
-			throw new RuntimeException("Failed to read client mappings", e);
 		}
 
 		return Collections.singleton(mappingsFile.toFile());
diff --git a/src/main/resources/idea_run_config_template.xml b/src/main/resources/idea_run_config_template.xml
index f462051d..0a506dcf 100644
--- a/src/main/resources/idea_run_config_template.xml
+++ b/src/main/resources/idea_run_config_template.xml
@@ -8,6 +8,7 @@
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/run/" />
     <method v="2">
       <option name="Make" enabled="true" />
+      %TASKS%
     </method>
   </configuration>
 </component>