Really, needed to add repo earlier

build.gradle

@@ -0,0 +1,73 @@
+buildscript {
+    repositories {
+        maven { url = 'https://files.minecraftforge.net/maven' }
+        jcenter()
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'net.minecraftforge.gradle:ForgeGradle:3.+'
+    }
+}
+        
+apply plugin: 'net.minecraftforge.gradle'
+// Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
+apply plugin: 'eclipse'
+apply plugin: 'maven-publish'
+
+version = '1.0'
+group = 'xyz.nuark.mcmodlistdumper'
+archivesBaseName = 'mcmodlistdumper'
+
+sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8'
+
+minecraft {
+    mappings channel: 'snapshot', version: '20171003-1.12'
+	
+    runs {
+        client {
+            workingDirectory project.file('run')
+
+            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'
+            property 'forge.logging.console.level', 'debug'
+        }
+
+        server {
+            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'
+            property 'forge.logging.console.level', 'debug'
+        }
+    }
+}
+
+dependencies {
+    minecraft 'net.minecraftforge:forge:1.12.2-14.23.5.2854'
+}
+
+jar {
+    manifest {
+        attributes([
+            "Specification-Title": "mcmodlistdumper",
+            "Specification-Vendor": "nuark",
+            "Specification-Version": "1",
+            "Implementation-Title": project.name,
+            "Implementation-Version": "${version}",
+            "Implementation-Vendor" :"nuark",
+            "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
+        ])
+    }
+}
+
+
+jar.finalizedBy('reobfJar') 
+
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            artifact jar
+        }
+    }
+    repositories {
+        maven {
+            url "file:///${project.projectDir}/mcmodsrepo"
+        }
+    }
+}