Fix maven artifacts and publishing. Close #4

Common/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id('java')
     id('org.spongepowered.gradle.vanilla') version '0.2.1-SNAPSHOT'
+    id 'maven-publish'
 }
 
 archivesBaseName = "${mod_name}-common-${minecraft_version}"
@@ -32,4 +33,18 @@ processResources {
 
         expand buildProps
     }
+}
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            groupId project.group
+            artifactId project.archivesBaseName
+            version project.version
+            from components.java
+        }
+    }
+
+    repositories {
+        url "file://" + System.getenv("local_maven")
+    }
 }

Fabric/build.gradle

@@ -54,15 +54,14 @@ jar {
 publishing {
     publications {
         mavenJava(MavenPublication) {
-            artifact(remapJar) {
-                builtBy remapJar
-            }
-            artifact(sourcesJar) {
-                builtBy remapSourcesJar
-            }
+            groupId project.group
+            artifactId project.archivesBaseName
+            version project.version
+            from components.java
         }
     }
 
     repositories {
+        url "file://" + System.getenv("local_maven")
     }
 }

Forge/build.gradle

@@ -85,12 +85,15 @@ jar.finalizedBy('reobfJar')
 publishing {
     publications {
         mavenJava(MavenPublication) {
+            groupId project.group
+            artifactId project.archivesBaseName
+            version project.version
             artifact jar
         }
     }
     repositories {
         maven {
-            url "file://${project.projectDir}/mcmodsrepo"
+            url "file://" + System.getenv("local_maven")
         }
     }
 }

build.gradle

@@ -44,4 +44,12 @@ subprojects {
         it.options.encoding = 'UTF-8'
         it.options.release = 17
     }
+
+    // Disables Gradle's custom module metadata from being published to maven. The
+    // metadata includes mapped dependencies which are not reasonably consumable by
+    // other mod developers.
+    tasks.withType(GenerateModuleMetadata) {
+
+        enabled = false
+    }
 }