Create a userdev-specific main, and include it as an injected file in the userdev jar. (#5231)

build.gradle

@@ -39,6 +39,26 @@ minecraft {
     // makeObfSourceJar = false // an Srg named sources jar is made by default. uncomment this to disable.
     
     //accessTransformer = file('my_at.cfg')
+
+    // default run configurations.
+    // these can be tweaked, removed, or duplicated as needed.
+    runConfig {
+        name= "Minecraft Client"
+        main= "net.minecraftforge.userdev.UserdevLauncher"
+        ideaModuleName = "${project.name}_main"
+        workingDirectory = project.file("run").canonicalPath
+        environment "target", "fmldevclient"
+        environment "assetDirectory", downloadAssets.output.absolutePath
+    }
+
+    runConfig {
+        name= "Minecraft Server"
+        main= "net.minecraftforge.userdev.UserdevLauncher"
+        ideaModuleName = "${project.name}_main"
+        workingDirectory = project.file("run").canonicalPath
+        environment "target", "fmldevserver"
+        environment "assetDirectory", downloadAssets.output.absolutePath
+    }
 }
 
 dependencies {
@@ -76,7 +96,7 @@ processResources {
 
     // replace stuff in mcmod.info, nothing else
     from(sourceSets.main.resources.srcDirs) {
-        include 'mcmod.info'
+        include 'META_INF/mods.toml'
                 
         // replace version and mcversion
         expand 'version':project.version, 'mcversion': '@MC_VERSION@'
@@ -84,6 +104,6 @@ processResources {
 
     // copy everything else except the mcmod.info
     from(sourceSets.main.resources.srcDirs) {
-        exclude 'mcmod.info'
+        exclude 'META_INF/mods.toml'
     }
 }