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
    }
}
apply plugin: 'net.minecraftforge.gradle'
apply plugin: 'eclipse'
apply plugin: 'maven-publish'

ext.configFile = file('build.properties')
ext.config = parseConfig(configFile)

version = "${config.version}-${config.build_number}"
group = "vazkii.${config.mod_id}" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
archivesBaseName = config.mod_name

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

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: "${config.mapping_channel}", version: "${config.mapping_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 {
                examplemod {
                    source sourceSets.main
                }
            }
        }

        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 {
                examplemod {
                    source sourceSets.main
                }
            }
        }
    }
}

dependencies {
    minecraft "net.minecraftforge:forge:${config.mc_version}-${config.forge_version}"
}

processResources {
    // replace stuff in mcmod.info, nothing else
    from(sourceSets.main.resources.srcDirs) {
        include 'META-INF/mods.toml'

        // replace version and mcversion
        expand 'version': project.version
    }

    // copy everything else, thats not the mods.toml
    from(sourceSets.main.resources.srcDirs) {
        exclude 'META-INF/mods.toml', '**/psd/**'
    }
}

task incrementBuildNumber {
    doFirst {
        config.build_number = (config.build_number.toString().toInteger()) + 1
        configFile.withWriter {
            config.toProperties().store(it, "")
        }
    }

    //file('web/versions.ini').append("\n${version}=${minecraft.version}")
    //file("${config.dir_repo}/version/${minecraft.version}.txt").write("${version}")
}

import java.util.regex.Pattern
task sortArtifacts(type: Copy) {
    from jar.destinationDir
    into config.dir_output
    //Put each jar with a classifier in a subfolder with the classifier as its name
    eachFile {
        //This matcher is used to get the classifier of the jar
        def matcher = Pattern.compile(Pattern.quote("$config.mod_name-$version") + "-(?<classifier>\\w+).jar").matcher(it.name)
        //Only change the destination for full matches, i.e jars with classifiers
        if (matcher.matches())
        {
            def classifier = matcher.group('classifier')
            /* Set the relative path to change the destination, since 
             * Gradle doesn't seem to like the absolute path being set*/
            it.relativePath = it.relativePath.parent.append(false, classifier, it.name)
        }
    }
}

def parseConfig(File config) {
    config.withReader {
        def prop = new Properties()
        prop.load(it)
        return (new ConfigSlurper().parse(prop))
    }
}

jar {
    //rename the default output, for some better... sanity with scipts
    archiveName = "${baseName} ${version}.${extension}"

     manifest {
        attributes([
            "Specification-Title": "${config.mod_id}",
            "Specification-Vendor": "vazkii",
            "Specification-Version": "1", // We are version 1 of ourselves
            "Implementation-Title": "${config.mod_id}",
            "Implementation-Version": "${version}",
            "Implementation-Vendor" :"vazkii",
            "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
        ])
    }
}

defaultTasks 'clean', 'build', 'sortArtifacts', 'incrementBuildNumber'