build.gradle

buildscript {
    repositories {
        mavenCentral()
        maven {
            name = "forge"
            url = "http://files.minecraftforge.net/maven"
        }
        maven {
            name = "sonatype"
            url = "https://oss.sonatype.org/content/repositories/snapshots/"
        }
    }
    dependencies {
        classpath 'net.minecraftforge.gradle:ForgeGradle:2.0-SNAPSHOT'
    }
}

repositories {
        maven {
            name = "local"
            url = "file:///home/cpw/projects/repo"
        }
}
apply plugin: "maven"
apply plugin: "net.minecraftforge.gradle.patcher"
apply plugin: "net.minecraftforge.gradle.launch4j"

minecraft {
    version = "1.8.8"
    //mappings = 'stable_16'
    mappings = "snapshot_nodoc_20141130"
    workspaceDir = "projects"
    versionJson = "jsons/1.8.8-dev.json"
    buildUserdev = true
    buildInstaller = true
    installerVersion = "1.4"

    def common = {
        patchPrefixOriginal "../src-base/minecraft"
        patchPrefixChanged "../src-work/minecraft"
        mainClassClient "net.minecraft.launchwrapper.Launch"
        tweakClassClient "net.minecraftforge.fml.common.launcher.FMLTweaker"
        mainClassServer "net.minecraft.launchwrapper.Launch"
        tweakClassServer "net.minecraftforge.fml.common.launcher.FMLServerTweaker"
    }

    projects {
        forge {
            rootDir "."
            patchDir "patches/minecraft"
            patchAfter "clean"
            genPatchesFrom "clean"
            genMcpPatches = true
            with common
        }
    }
}

group = 'net.minecraftforge'
version = getVersionFromJava(file("src/main/java/net/minecraftforge/common/ForgeVersion.java"))

extractForgeSources { exclude "**/SideOnly.java", "**/Side.java" }

genGradleProjects { addTestCompileDep "junit:junit:4.12" }

processJson {
    releaseJson = "jsons/1.8.8-rel.json"
    addReplacements([
        "@minecraft_version@": project.minecraft.version,
        "@version@": project.version,
        "@project@": "forge",
        "@artifact@": "net.minecraftforge:forge:${project.version}",
        "@universal_jar@": { outputJar.archiveName },
        "@timestamp@": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
    ])
}

task changelog(type: JenkinsChangelog) {

    // skip if there is no forge jenkins pass
    onlyIf {
        project.hasProperty('forgeJenkinsPass')
        // Not sure what abrar was trying to do here...
        //project.file("build/distributions/${project.name}-${project.version}-changelog.txt").text = ""
    }

    outputs.upToDateWhen { false } // never up to date
    serverRoot = "http://ci.jenkins.minecraftforge.net/"
    jobName = "minecraftforge"
    targetBuild = System.env['BUILD_NUMBER'] ?: 0;
    authName = "console_script"
    authPassword = project.hasProperty('forgeJenkinsPass') ? project.getProperty('forgeJenkinsPass') : "";
    output = "build/distributions/${project.name}-${project.version}-changelog.txt"
}

task crowdin(type: CrowdinDownload) {
    output = "build/crowdin.zip"
    projectId = 'minecraft-forge'
    extract = false // we wanna keep it as a zip. not extract it to a folder named "crowdin.zip"
    
    // task auomatically skips if this is null
    if (project.hasProperty('crowdinKey'))
        apiKey = project.crowdinKey
}

def extraTxts = [
    changelog, // yeah we can do thi, because gradle and groovy are awesome
    "LICENSE-fml.txt",
    "CREDITS-fml.txt",
    "MinecraftForge-Credits.txt",
    "MinecraftForge-License.txt",
    "Paulscode SoundSystem CodecIBXM License.txt",
    "Paulscode IBXM Library License.txt"
]

outputJar {
    classifier = 'universal'
    from extraTxts

    // add crowdin locales
    from { crowdin.getDidWork() ? zipTree(crowdin.output) : null}
    dependsOn 'crowdin'

    manifest.attributes([
        "Main-Class": "net.minecraftforge.fml.relauncher.ServerLaunchWrapper",
        "TweakClass": "net.minecraftforge.fml.common.launcher.FMLTweaker",
        "Class-Path": getServerClasspath(file("jsons/1.8-rel.json"))
    ])
}

installer {
    classifier = 'installer'
    from extraTxts
    from "src/main/resources/forge_logo.png"
    rename "forge_logo\\.png", "big_logo.png"
}

task signUniversal(type: SignJar, dependsOn: 'outputJar') {
    onlyIf {
        project.hasProperty('jarsigner')
    }

    def jarsigner = [:];

    if (project.hasProperty('jarsigner'))
        jarsigner = project.jarsigner;

    alias = 'forge'
    exclude "paulscode/**"
    storePass = jarsigner.storepass
    keyPass = jarsigner.keypass
    keyStore = jarsigner.keystore
    inputFile = outputJar.archivePath
    outputFile = outputJar.archivePath
}
uploadArchives.dependsOn signUniversal
build.dependsOn signUniversal

// MDK package

import org.apache.tools.ant.filters.ReplaceTokens
task makeMdk(type: Zip) {
    baseName = project.name
    classifier = "mdk"
    version = project.version
    destinationDir = file('build/distributions')

    from 'gradlew'
    from 'gradlew.bat'
    into ('gradle') {
    	from 'gradle'
    }
    into ('eclipse') {
        from 'mdk/eclipse'
    }
    from changelog.output
    from ('mdk') {
	    filter(ReplaceTokens, tokens: [
		VERSION: project.version,
		MAPPINGS: minecraft.mappings.replace('nodoc_', '')
	    ])
	    exclude 'eclipse'
	    rename 'gitignore\\.txt', '.gitignore'
	    from 'MinecraftForge-Credits.txt'
	    from 'MinecraftForge-License.txt'
	    from 'Paulscode IBXM Library License.txt'
	    from 'Paulscode SoundSystem CodecIBXM License.txt'
	    from 'CREDITS-fml.txt'
	    from 'LICENSE-fml.txt'
    }
}
tasks.build.dependsOn makeMdk

// launch4j

launch4j {
    jar = installer.archivePath.canonicalPath
    outfile = file("build/distributions/${project.name}-${project.version}-installer-win.exe").canonicalPath
    icon = file('icon.ico').canonicalPath
    manifest = file('l4jManifest.xml').canonicalPath
    jreMinVersion = '1.6.0'
    initialHeapPercent = 5;
    maxHeapPercent = 100;
}
tasks.generateXmlConfig.dependsOn installer
tasks.build.dependsOn 'launch4j'

// MAVEN

artifacts {
    archives changelog.output
    archives file("build/distributions/${project.name}-${project.version}-installer-win.exe")
    archives makeMdk
}

task ciWriteBuildNumber << {
    def file = file("src/main/java/net/minecraftforge/common/ForgeVersion.java");
    def bn = System.getenv("BUILD_NUMBER")?:0;
    def outfile = "";
    def ln = System.getProperty('line.separator')

    file.eachLine{ String s ->
        if (s.contains("buildVersion") && s.contains("= 0;")) {
            s = "    public static final int buildVersion    = ${bn};";
        }
        outfile += (s+ln);
    }
    file.write(outfile);
}

uploadArchives {
    repositories.mavenDeployer {

        dependsOn 'build'

        if (project.hasProperty('forgeMavenPass'))
        {
            repository(url: "http://files.minecraftforge.net/maven/manage/upload") {
                authentication(userName: "forge", password: project.getProperty('forgeMavenPass')) // the elvis operator. look it up.
            }
        }
        else
        {
            // local repo folder. Might wanna juset use  gradle install   if you wanans end it to maven-local
            repository(url: 'file://localhost/' + project.file('repo').getAbsolutePath())
        }

        pom {
            groupId = project.group
            version = project.version
            artifactId = project.archivesBaseName
            project {
                name project.archivesBaseName
                packaging 'jar'
                description 'Minecraft Forge API'
                url 'https://github.com/MinecraftForge/MinecraftForge'

                scm {
                    url 'https://github.com/MinecraftForge/MinecraftForge'
                    connection 'scm:git:git://github.com/MinecraftForge/MinecraftForge.git'
                    developerConnection 'scm:git:[email protected]:MinecraftForge/MinecraftForge.git'
                }

                issueManagement {
                    system 'github'
                    url 'https://github.com/MinecraftForge/MinecraftForge/issues'
                }

                licenses {
                    license {
                        name 'Forge Public License'
                        url 'https://raw.github.com/MinecraftForge/MinecraftForge/master/MinecraftForge-License.txt'
                        distribution 'repo'
                    }
                }

                developers {
                    developer {
                        id 'cpw'
                        name 'cpw'
                        roles { role 'developer' }
                    }
                    developer {
                        id 'LexManos'
                        name 'Lex Manos'
                        roles { role 'developer' }
                    }
                    developer {
                        id 'AbrarSyed'
                        name 'Abrar Syed'
                        roles { role 'contributor' }
                    }
                }
            }
        }
    }
}

// HELPER METHODS

import groovy.json.JsonSlurper;

String getServerClasspath(File file)
{
    def node = new JsonSlurper().parse(file);
    def out = new StringBuilder()
    node.versionInfo.libraries.each { lib ->
        if (lib.serverreq)
        {
            // group : artifact : version
            def split = lib.name.split(':')
            def group = split[0].replace('.', '/')
            def artifact = split[1]
            def version = split[2]
            out += "libraries/$group/$artifact/$version/$artifact-${version}.jar "
        }
    }
    out += "minecraft_server.${minecraft.version}.jar"

    return out.toString();
}

String getVersionFromJava(File file)
{
    String major = "0";
    String minor = "0";
    String revision = "0";
    String build = "0";

    String prefix = "public static final int";
    file.eachLine{ String s ->
        s = s.trim();
        if (s.startsWith(prefix))
        {
            s = s.substring(prefix.length(), s.length() - 1);
            s = s.replace('=', ' ').replace("Version", "").replaceAll(" +", " ").trim();
            String[] pts = s.split(" ");

            if (pts[0].equals("major")) major = pts[pts.length - 1];
            else if (pts[0] == "minor") minor = pts[pts.length - 1];
            else if (pts[0] == "revision") revision = pts[pts.length - 1];
        }
    }

    if (System.getenv().containsKey("BUILD_NUMBER"))
    {
        build = System.getenv("BUILD_NUMBER");
    }

    String branch = null;
    if (!System.getenv().containsKey("GIT_BRANCH"))
    {
        // TODO: use grgit
        branch = "git rev-parse --abbrev-ref HEAD".execute().text.trim()
    }
    else
    {
        branch = System.getenv("GIT_BRANCH");
        branch = branch.substring(branch.lastIndexOf('/') + 1);
    }

    def out = "${minecraft.version.replace('-', '_')}-$major.$minor.$revision.$build"

    if (branch && branch != 'master' && branch != 'HEAD')
        out += "-$branch"

    return out;
}

// re-add old tasks for jenkins compat
// should be remvoed, and the jenkisn fixed when no longer building with FG 1.2
task setupForge { dependsOn 'setup' }
task buildPackages { dependsOn 'build' }

gistfile1.txt

Gerald@Gerald_Desktop MINGW64 ~/Documents/Forge - OBJLoader (OBJ_Loader)
$ gradle --refresh-dependencies

FAILURE: Build failed with an exception.

* Where:
Build file 'C:\Users\Gerald\Documents\Forge - OBJLoader\build.gradle' line: 31

* What went wrong:
A problem occurred evaluating root project 'forge'.
> This mapping 'snapshot_nodoc_20141130' exists only for MC 1.8!

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 8.096 secs