Asciidoctor-packt with Gradle

build.gradle

// A minimum Gradle file to get you started with asciidoctor-packt

buildscript {
    repositories {
        jcenter()
    }

    dependencies {
        classpath 'org.ysb33r.gradle:vfs-gradle-plugin:1.0-beta1'
        classpath 'commons-httpclient:commons-httpclient:3.1'
    }
}

plugins {
    id "org.asciidoctor.convert" version "1.5.2"
}


apply plugin : 'org.asciidoctor.gradle.asciidoctor'
apply plugin: 'org.ysb33r.vfs'

ext {
    asciidoctorPacktVersion = 'master'
    downloadDir = new File(buildDir,'download')
    templateDir = new File(downloadDir,'templates')
}

repositories {
    jcenter()
}

task download << {
    mkdir downloadDir
    vfs {
        cp "zip:https://github.com/gregturn/asciidoctor-packt/archive/${asciidoctorPacktVersion}.zip!asciidoctor-packt-${asciidoctorPacktVersion}",
                templateDir, recursive:true, overwrite:true
    }
}

download {
    outputs.dir templateDir
}

asciidoctor {

    backends 'packt'

    options eruby: 'erubis'
    options template_dirs : [ "${templateDir}/slim" ]

    dependsOn download
}