build.gradle with watch

build.gradle

buildscript {
    repositories {
        jcenter()
    }

    dependencies {
        classpath 'com.github.ben-manes:gradle-versions-plugin:0.8'
        classpath 'com.bluepapa32:gradle-watch-plugin:0.1.5'
        classpath 'org.asciidoctor:asciidoctor-gradle-plugin:1.5.2'
        classpath 'org.asciidoctor:asciidoctorj-epub3:1.5.0-alpha.4'
        classpath 'org.asciidoctor:asciidoctorj-pdf:1.5.0-alpha.6'
    }
}

apply plugin: 'java'
apply plugin: 'org.asciidoctor.convert'
apply plugin: 'com.github.ben-manes.versions'
apply plugin: 'com.bluepapa32.watch'

version = '1.0.0-SNAPSHOT'

asciidoctorj {
    version = '1.5.2'
}

asciidoctor {
    backends 'html5', 'pdf', 'epub3'
    attributes 'sourcedir': project.sourceSets.main.java.srcDirs[0],
            'endpoint-url': 'http://www.jhipster-book.com/',
            'source-highlighter': 'coderay',
            'imagesdir': './images',
             toc: 'left',
             icons: 'font',
             linkattrs: true,
             encoding: 'utf-8',
            'setanchors': 'true',
            'idprefix': '',
            'idseparator': '-',
            'docinfo1': 'true'
}

watch {
    asciidoc {
        files fileTree(dir: 'src/docs/asciidoc', include: '**/*.adoc')
        tasks 'asciidoctor'
    }
}

Nice. Thx.