build.gradle

import org.elasticsearch.hadoop.gradle.buildtools.ConcatFilesTask

description = 'Elasticsearch for Apache Hadoop'

apply plugin: 'es.hadoop.build.root'

defaultTasks 'build'

allprojects {
    group = "org.elasticsearch"
    tasks.withType(AbstractCopyTask) {
      duplicatesStrategy = DuplicatesStrategy.EXCLUDE
    }
}

// Simple utility task to help with downloading artifacts and jars
if (project.hasProperty("find-artifact")) {
    String artifact = project.getProperty("find-artifact")

    configurations {
        findJar
    }

    dependencies {
        findJar artifact
    }

    task find(type: Copy) {
        dependsOn configurations.findJar
        from configurations.findJar.first()
        into new File(rootProject.buildDir, 'found/')
        doLast {
            if (configurations.findJar.files.size() > 0) {
                String artifactName = configurations.findJar.first().name
                File found = new File(rootProject.buildDir, 'found/')
                logger.lifecycle("Found [$artifactName] and stored it in [$found]")
                if (configurations.findJar.size() > 1) {
                    configurations.findJar.each { logger.lifecycle("Also found other dependencies: [${ it.name }]") }
                }
            } else {
                logger.lifecycle("Could not find artifact [$artifact]")
            }
        }
    }
}

// Add a task in the project that collects all the dependencyReport data for each project
// Concatenates the dependencies CSV files into a single file
// usage: ./gradlew :dist:generateDependenciesReport -Dcsv=/tmp/deps.csv
task generateDependenciesReport(type: ConcatFilesTask) {
    files = fileTree(dir: project.rootDir,  include: '**/dependencies.csv' )
    headerLine = "name,version,url,license"
    target = new File(System.getProperty('csv')?: "${project.buildDir}/reports/dependencies/es-hadoop-dependencies.csv")
}