build.gradle

buildscript {
    repositories {
        maven { url = 'https://files.minecraftforge.net/maven' }
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '3.+', changing: true
    }
}

plugins {
  id "com.matthewprenger.cursegradle" version "1.4.0"
  id "co.riiid.gradle" version "0.4.2"
  id "com.github.ben-manes.versions" version "0.27.0"
  id "com.jfrog.bintray" version "1.8.4"
  id "maven"
  id "maven-publish"
} 

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'
apply plugin: 'signing'

sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8' // Need this here so eclipse task generates correctly.

/// Load configuration

loadBuildNumber()
loadConfig()

version = config.version
group = config.group // http://maven.apache.org/guides/mini/guide-naming-conventions.html
archivesBaseName = config.mod_id

minecraft {
    // The mappings can be changed at any time, and must be in the following format.
    // snapshot_YYYYMMDD   Snapshot are built nightly.
    // stable_#            Stables are built at the discretion of the MCP team.
    // Use non-default mappings at your own risk. they may not always work.
    // Simply re-run your setup task after changing the mappings to update your workspace.
    //mappings channel: 'snapshot', version: '20190719-1.14.3'
    mappings channel: config.mc_mappings_channel, version: config.mc_mappings_version
    // makeObfSourceJar = false // an Srg named sources jar is made by default. uncomment this to disable.
    
    // accessTransformer = file('src/main/resources/META-INF/accesstransformer.cfg')

    // Default run configurations.
    // These can be tweaked, removed, or duplicated as needed.
    runs {
        client {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            mods {
                main {
                    source sourceSets.main
                    source sourceSets.test
                }
            }
        }

        server {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            mods {
                main {
                    source sourceSets.main
                    source sourceSets.test
                }
            }
        }

        data {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            args '--mod', config.mod_id.toString(), '--all', '--output', file('src/generated/resources/')

            mods {
                main {
                    source sourceSets.main
                    source sourceSets.test
                }
            }
        }
    }
}


apply from: 'dependencies.gradle'

// Example configuration to allow publishing using the maven-publish task
// we define a custom artifact that is sourced from the reobfJar output task
// and then declare that to be published
// Note you'll need to add a repository here

def reobfFile = file("$buildDir/reobfJar/output.jar")
def reobfArtifact = artifacts.add('default', reobfFile) {
    type 'jar'
    builtBy 'reobfJar'
}
publishing {
    publications {
        mavenJava(MavenPublication) {
            //artifact jar
            artifact reobfArtifact
        }
    }
    repositories {
        maven {
            url "file:///${project.projectDir}/mcmodsrepo"
        }
    }
}

// --------------------------------------------------------------------------
// Default repositories and publishing

repositories {
    // see https://authors.curseforge.com/docs/api
    maven {
        name = "CurseForge"
        url = "https://minecraft.curseforge.com/api/maven/"
    }
   //maven {
   //    name = "mc"
   //    url = "https://libraries.minecraft.net/"
   //}
}

allprojects {
    repositories {
        jcenter()
    }
    apply plugin: 'java'
}

// See https://github.com/gradle/gradle/issues/8968
// See https://docs.gradle.org/current/dsl/org.gradle.api.publish.maven.MavenPublication.html
task sourceJar(type: Jar, dependsOn: classes) {
  classifier = "sources"
  from sourceSets.main.allJava
}

build.dependsOn sourceJar

/// Local Maven
// See https://docs.gradle.org/current/userguide/publishing_maven.html
publishing {
    publications {
        maven(MavenPublication) {
            groupId = config.group
            artifactId = config.mod_id
            version = config.version

            from components.java
            artifact sourceJar
        }
    }
}

// bug workarounds with bad uploads, unsigned jars uploaded
// see https://github.com/matthewprenger/CurseGradle/issues/14
publishToMavenLocal {
    dependsOn build
    dependsOn publish
}

/// CurseGradle
// See https://github.com/matthewprenger/CurseGradle
curseforge {
    group 'upload'
    description 'Upload release to Curseforge'
    apiKey = priv.curseforge_apikey
    project {
        id = config.curseforge_id
        changelog = { ->
            return getChangeInfo()
        }
        releaseType = config.curseforge_releasetype
        if (deps.size() > 0) {
            relations { doit -> deps.toSet().each { dep -> requiredLibrary dep } }
        }

        //mainArtifact(jar) {
        //   displayName = jar.archiveName
        //}

        // TODO see https://github.com/HyCraftHD/Worldgeneration-Profiler/blob/master/build.gradle#L141
        //addArtifact(deobfJar) {
        //    //displayName = deobfJar.archiveName
        //    displayName = "${baseName}-${minecraft.version}-${version}-dev.${extension}"
        //    changelog = "Mappings: " + config.forge.mapping
   	//}

    }

    // bug workarounds with bad uploads, unsigned jars uploaded
    // see https://github.com/matthewprenger/CurseGradle/issues/14
    tasks.curseforge.dependsOn build
    tasks.curseforge.dependsOn publish
}

/// Github
// See https://github.com/riiid/gradle-github-plugin

github {
    group 'upload'
    description 'Upload release and build artifacts to Github'
    owner = config.github_userz
    repo = config.github_repo
    token = priv.github_token
    name = "${config.version}"
    targetCommitish = "${config.mc_version}"
    tagName = "${config.version}"
    body = getChangeInfo()
    assets = [ getArchivePath() ]
}

/// Bintray
// See https://github.com/bintray/gradle-bintray-plugin#readme

def githubUrl = "https://github.com/${config.github_userz}/${config.github_repo}"
def repoUrl = "${githubUrl}.git"

bintray {
    group 'upload'
    description 'Upload release and build artifacts to Bintray'
    user = config.bintray_user
    key = priv.bintray_api_key
    configurations = ['archives']
    pkg {
        repo = config.bintray_repo
        name = config.bintray_package
        licenses = ["${config.license}"]
	websiteUrl  = config.url
        issueTrackerUrl="${githubUrl}/issues"
        vcsUrl = repoUrl
        labels = ['minecraft', 'forge', 'minecraft-mod' ]
        publish = true
        githubRepo = "${config.github_userz}/${config.github_repo}"
        githubReleaseNotesFile = 'README.md' 
        version {
            name = "${config.version}"
            desc = getChangeInfo()
            websiteUrl="${config.url}"
            vcsTag = "${config.version}"
            released = new Date()
        }
    }
}

// upload built mod and/or artifacts to all release/artifact locations
task uploadAll {
    group 'upload'
    description 'Upload built mod and/or artifacts to all release/artifact locations'
    dependsOn 'publishToMavenLocal'
    dependsOn 'bintrayUpload'
    dependsOn 'githubRelease'
    dependsOn 'curseforge'
}
 

// --------------------------------------------------------------------------
// Token replacement

// See https://stackoverflow.com/questions/30627918/how-is-a-token-replaced-in-a-file-for-a-gradle-build-product?rq=1
// See https://stackoverflow.com/a/54094378/5046881

import org.apache.tools.ant.filters.ReplaceTokens

task processSource(type: Sync) {
    from (sourceSets.main.java) {
        include "${config.group_path}/Reference.java"
        filter(ReplaceTokens, tokens: ['MOD_ID' : config.mod_id.toString()])
        filter(ReplaceTokens, tokens: ['MOD_NAME' : config.mod_name.toString()])
        filter(ReplaceTokens, tokens: ['BUILD' : buildnum.BUILD_NUMBER.toString()])
        filter(ReplaceTokens, tokens: ['VERSION' : config.version.toString()])
        filter(ReplaceTokens, tokens: ['DEPENDENCIES' : config.dependencies.toString()])
        filter(ReplaceTokens, tokens: ['UPDATEJSON' : config.updatejson.toString()])
        if (project.hasProperty('keyStore')) {
            filter(ReplaceTokens, tokens: ['FINGERPRINT' : project.signSHA1.toString()])
        }
    }
    into "$buildDir/src" 

    from (sourceSets.main.java) {
        exclude "${config.group_path}/Reference.java"
    }
    into "$buildDir/src" 
}

compileJava {
    source = processSource.outputs
}


// --------------------------------------------------------------------------
// Processing resources

// Must be after Maven publishing block
processResources {

    // ensure that this task is redone when the versions change.
    inputs.property "version", project.version
    inputs.property "minecraft.version", config.mc_version // project.minecraft.version
    inputs.property "modid", config.mod_id
    inputs.property "name", config.mod_name
    inputs.property "description", config.mod_description
    inputs.property "modversion", config.version
    inputs.property "mcversion", config.mc_version // minecraft.version
    inputs.property "url", config.url
    inputs.property "updateJSON", config.updatejson
    inputs.property "authorList", config.mod_authors
    inputs.property "credits", config.mod_credits
    inputs.property "logoFile", config.mod_logo
    inputs.property "dependencies", config.mod_dependencies

    // replace stuff in metadata files, nothing else
    from(sourceSets.main.resources.srcDirs) {
        include 'pack.mcmeta', 'META-INF/mods.toml'

        // replace mcmod.info variables with build.properties settings
	expand(getMergedConfig())
    }

    // copy everything else, thats not the above listed files
    from(sourceSets.main.resources.srcDirs) {
        exclude 'pack.mcmeta', 'META-INF/mods.toml'
    }
}

// Example for how to get properties into the manifest for reading by the runtime..
jar {
    classifier = ""
    //rename the default output, for some better sanity with scripts
    archiveName = getArchiveName(baseName, version, extension)

    exclude "**/*.bat"
    exclude "**/*.psd"
    exclude "**/*.exe"

    from "LICENSE"
       
    manifest {
        attributes([
            "Specification-Title": config.mod_name,
            "Specification-Vendor": config.github_owner,
            "Specification-Version": "1", // We are version 1 of ourselves
            "Implementation-Title": config.mod_name, // project.name,
            "Implementation-Version": project.version,
            "Implementation-Vendor" : config.version,
            "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
            "Built-On": config.mc_version // project.minecraft.version
        ])
    }

    finalizedBy('reobfJar') 
}

jar.finalizedBy('reobfJar') 


artifacts {
    archives jar
}


// --------------------------------------------------------------------------
// Local functions

/// Misc

import groovy.json.JsonSlurper
import groovy.json.JsonOutput

// get this version's changelog from Forge-format update.json
def getChangeInfo() {
    def filename = "${projectDir}/${config.changelog}"
    def updateJsonFile = new File(filename)
    if (!updateJsonFile.isFile()) {
        throw new GradleException("${filename} missing")               
    }
    def updateJson = new JsonSlurper().parse(updateJsonFile) as Map
    // this should error if changelog is missing change for this version - add one!
    def info = updateJson.find{ it.key == "${config.mc_version}"}?.value?.find{ it.key == "${config.version}"}?.value
    if (!info) {
        throw new GradleException("${filename} missing changelog for MC ${config.mc_version} ${config.mod_id} ${config.version}")
    }
    return info
}

def getArchiveName(baseName, version, extension) {
    return new String("${baseName}-${config.mc_version}-${version}.${extension}")
}

def getArchiveName() {
    return getArchiveName(config.mod_id, config.version, "jar")
}

// build our own archive path that is relative and unix-format
// since jar.archivePath is Windows format absolute path and github plugin makes ugly Github release asset file name from it
def getArchivePath() {
    return new String("build/libs/"+getArchiveName())
}


// --------------------------------------------------------------------------
// Build number tracking

// load the previous build number, and increment in-memory for this build
def loadBuildNumber() {
    ext.versionFile = file('version.properties')
    ext.buildnum = new Properties([BUILD_NUMBER: "0"]);
    if (versionFile.isFile()) {
        versionFile.withReader { buildnum.load(it) }
    }
    def buildNumber = Integer.toString(Integer.parseInt(buildnum.BUILD_NUMBER) + 1)
    buildnum.BUILD_NUMBER = buildNumber
}

// save the new build number
task('saveBuildNumber') {
    outputs.file('version.properties')
    // force to always run
    outputs.upToDateWhen { false }
    doLast {
       versionFile.withWriter { buildnum.store(it, "Automated build number increase") }
    }
}


// --------------------------------------------------------------------------
// Configuration

// parse the config file (in Groovy format)
def parseConfig(File config) {
    config.withReader {
        return (new ConfigSlurper().parse(config.toURI().toURL()))
    }
}

// if the file exists, parse the config file (in Groovy format)
def parseConfigIf(File config) {
    if (config.isFile()) {
       return parseConfig(config)
    }
    return new ConfigObject()
}

// load build configuration properties and set any dependent data
def loadConfig() {
    def configFile = file('build.properties')
    ext.config = parseConfig(configFile)
    def privateFile = file('private.properties')
    ext.priv = parseConfigIf(privateFile)

    version = config.version
    group = config.group // http://maven.apache.org/guides/mini/guide-naming-conventions.html
    archivesBaseName = config.mod_id

    // build dep list for cursegradle usage
    ext.deps = new JsonSlurper().parseText("[ ${config.mod_dependencies} ]") as Map
    deps.remove( "mod_MinecraftForge")

    // in case fingerprint was just copied-pasted from keytool, transform it into Forge expected form
    if (project.hasProperty('keyStore')) {
        project.signSHA1 = project.findProperty('signSHA1').replaceAll(':','').toLowerCase()
    }
}

// Merge different configs before passing for expansion which can only take one config
def getMergedConfig() {
    def mergedConfig = new ConfigObject()
    mergedConfig << project.properties
    mergedConfig << config
    return mergedConfig
}


// --------------------------------------------------------------------------
// Signing
// See https://tutorials.darkhax.net/tutorials/jar_signing/
// See https://github.com/zlainsama/OfflineSkins/blob/master/build.gradle

import net.minecraftforge.gradle.common.task.SignJar

// Sign the jar file
task signJar(type: SignJar, dependsOn: jar) {

    // Skips if the keyStore property is missing.
    onlyIf {
        project.hasProperty('keyStore')
    }

    // findProperty allows us to reference the property without it existing. 
    // Using project.propName would cause the script to fail validation if 
    // the property did not exist. 
    keyStore = project.findProperty('keyStore')
    alias = project.findProperty('keyStoreAlias')
    storePass = project.findProperty('keyStorePass')
    keyPass = project.findProperty('keyStoreKeyPass')
    inputFile = jar.archivePath
    outputFile = jar.archivePath
}

// Use jarsigner to manually examine that jar is signed
task reviewSignJar(type: Exec) {
    onlyIf {
        project.hasProperty('keyStore')
    }
    outputs.upToDateWhen { false }
    commandLine "" +  System.getenv('JAVA_HOME') + "/bin/jarsigner", "-verify", "-verbose", "-keystore", project.findProperty('keyStore'), jar.archivePath
}


// --------------------------------------------------------------------------
// Misc

// delete lots of directories where bugs cause old dependencies and files to be used
task superClean(type: Delete) {
    outputs.upToDateWhen { false }
    delete ".classpath", ".project", ".settings", "bin", "build"
    // Prevented by .gradle\4.9\fileContent\fileContent.lock
    // delete ".gradle"
}

tasks.superClean.dependsOn clean

// force runClient to always run when requested - never UP-TO-DATE
//runClient.outputs.upToDateWhen { false }

// triggers for above functionality
build {
    dependsOn 'signJar'
    dependsOn 'saveBuildNumber'
}

// make build tasks run before publish, otherwise could upload MCP mapped jar instead of SRG mapped jar!
tasks.publish.dependsOn build
tasks.githubRelease.dependsOn build
tasks.bintrayUpload.dependsOn build
tasks.curseforge.dependsOn build

defaultTasks 'build'