build.gradle

// Tasks to perform when no task is specified
defaultTasks 'clean', 'build', 'shadowJar'

// Plugins used
apply plugin: 'java' // Specifies a java project, allows for javadoc generation etc.
apply plugin: 'application' // Adds the 'gradle run' task
apply plugin: 'project-report' // Adds project report tasks
apply plugin: 'shadow' // Allows for dependency shading

// Methods to determine detailed version string
def gitDescribe() {
    try {
        // determine git-describe output
        def stdout = new ByteArrayOutputStream()
        exec {
            commandLine 'git', 'describe', '--always', '--dirty=*'
            standardOutput = stdout
        }
        return stdout.toString().trim()
    } catch (e) {
        return "unknown"
    }
}
def getVersionName() {
    try {
        // determine git-describe output
        def version = gitDescribe()

        // add on jenkins or travis build information
        def jenkins_build = System.getenv("BUILD_NUMBER")
        def travis_build = System.getenv("TRAVIS_BUILD_NUMBER")
        if (jenkins_build != null) {
            version += "-b" + jenkins_build
        } else if (travis_build != null) {
            version += "-trv" + travis_build
        } else {
            version += "-dev"
        }

        return version
    } catch (e) {
        return "unknown-version"
    }
}

// Basic project information
group = 'net.glowstone'
version = '0.0.1-SNAPSHOT'
description = "Glowstone"
mainClassName = "net.glowstone.GlowServer"

// Extended project information
ext.url = 'https://github.com/SpaceManiac/Glowstone'
ext.bukkitVersion = '1.7.9-R0.1'
ext.gitDescribe = getVersionName()

// Minimum Java version required
sourceCompatibility = '1.7'
targetCompatibility = '1.7'

// Compile encoding
compileJava {
    options.encoding = 'UTF-8'
}

// Simple build script information
buildscript {
    repositories {
        maven { url "http://jcenter.bintray.com" }
    }
    dependencies {
        classpath 'com.github.jengelman.gradle.plugins:shadow:0.8'
    }
}

// Configuration settings to check for new snapshots
configurations.all {
    resolutionStrategy.cacheChangingModulesFor 0, 'seconds' // Always check for new snapshots
}

// Repositories storing our dependencies
repositories {
    mavenLocal()
    mavenCentral()
    maven { url "http://repo.bukkit.org/content/groups/public/" }
    maven { url "https://oss.sonatype.org/content/repositories/public/" }
}

// Dependencies used by our project
dependencies {
    compile group: 'org.bukkit', name: 'bukkit', version: project.ext.bukkitVersion
    compile 'com.flowpowered:flow-networking:1.0.0-SNAPSHOT'
    compile 'jline:jline:2.11'
    //compile 'mysql:mysql-connector-java:5.1.14'
    //compile 'org.xerial:sqlite-jdbc:3.7.2'
    compile 'org.slf4j:slf4j-jdk14:1.7.5'
    testCompile 'junit:junit:4.8.1'
}

// Shadow plugin settings
shadow {
    artifactAttached = false
}

// Jar manifest information
manifest.mainAttributes(
        'Main-Class': mainClassName,
        'Implementation-Title': description,
        'Implementation-Version': ext.gitDescribe,
        'Implementation-Vendor': 'SpaceManiac',
        'Specification-Title': 'Bukkit',
        'Specification-Version': project.ext.bukkitVersion,
        'Specification-Vendor': 'Bukkit Team',
        'Sealed': true
)

// Exclude jar signatures
shadow {
    exclude 'META-INF/*.DSA'
    exclude 'META-INF/*.RSA'
}