Update RFG, unimixins, and enable mixin hotswap (#174)

build.gradle

@@ -69,7 +69,7 @@ plugins {
     id 'com.diffplug.spotless' version '6.13.0' apply false // 6.13.0 is the last jvm8 supporting version
     id 'com.modrinth.minotaur' version '2.+' apply false
     id 'com.matthewprenger.cursegradle' version '1.4.0' apply false
-    id 'com.gtnewhorizons.retrofuturagradle' version '1.3.7'
+    id 'com.gtnewhorizons.retrofuturagradle' version '1.3.11'
 }
 
 print("You might want to check out './gradlew :faq' if your build fails.\n")
@@ -569,9 +569,10 @@ repositories {
 
 def mixinProviderGroup = "io.github.legacymoddingmc"
 def mixinProviderModule = "unimixins"
-def mixinProviderVersion = "0.1.6"
+def mixinProviderVersion = "0.1.7.1"
 def mixinProviderSpecNoClassifer = "${mixinProviderGroup}:${mixinProviderModule}:${mixinProviderVersion}"
 def mixinProviderSpec = "${mixinProviderSpecNoClassifer}:dev"
+ext.mixinProviderSpec = mixinProviderSpec
 
 dependencies {
     if (usesMixins.toBoolean()) {
@@ -822,6 +823,18 @@ public abstract class RunHotswappableMinecraftTask extends RunMinecraftTask {
         }
         this.classpath(project.java17DependenciesCfg)
     }
+
+    public void setup(Project project) {
+        super.setup(project)
+        if (project.usesMixins.toBoolean()) {
+            this.extraJvmArgs.addAll(project.provider(() -> {
+                def mixinCfg = project.configurations.detachedConfiguration(project.dependencies.create(project.mixinProviderSpec))
+                mixinCfg.canBeConsumed = false
+                mixinCfg.transitive = false
+                enableHotswap ? ["-javaagent:" + mixinCfg.singleFile.absolutePath] : []
+            }))
+        }
+    }
 }
 
 def runClient17Task = tasks.register("runClient17", RunHotswappableMinecraftTask, Distribution.CLIENT, "runClient")