Fix for https://github.com/UnAfraid/Launch4jPlusSLF4j and https://github.com/TheBoegl/gradle-launch4j/issues/40

build.gradle

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'edu.sc.seis.launch4j'
apply plugin: "de.sebastianboegl.shadow.transformer.log4j"

sourceCompatibility = '1.8'
targetCompatibility = '1.8'

repositories {
    mavenCentral()
}

dependencies {
    compile(group: 'org.slf4j', name: 'slf4j-api', version: '1.7.22')
    compile(group: 'org.apache.logging.log4j', name: 'log4j-slf4j-impl', version: '2.7')
    compile(group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.7')
}

eclipse {
    project {
        natures('org.springsource.ide.eclipse.gradle.core.nature')
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '3.0'
}

tasks.withType(JavaCompile) {
    options.encoding = 'UTF-8'
}


def generalManifest = manifest {
    attributes(
            'Built-By': System.getProperty('user.name'),
            'Implementation-URL': 'https://github.com/UnAfraid/Launch4jPlusSLF4j',
            'Main-Class': 'com.github.unafraid.editor.ui.Main',
    )
}

jar {
    manifest {
        from(generalManifest)
    }
}

launch4j {
    copyConfigurable = project.tasks.shadowJar.outputs.files
    jar = "lib/${project.tasks.shadowJar.archiveName}"
    mainClassName = "com.github.unafraid.editor.ui.Main"
}

buildscript {
    repositories {
        maven {
            url 'https://plugins.gradle.org/m2/'
        }
        mavenLocal()
    }

    dependencies {
        classpath 'gradle.plugin.edu.sc.seis.gradle:launch4j:2.1.0'
        classpath 'com.github.jengelman.gradle.plugins:shadow:1.2.4'
        classpath "de.sebastianboegl.gradle.plugins:shadow-log4j-transformer:1.0.0"
    }
}