build.gradle

buildscript {
    repositories {
        maven { url '../../prebuilts/gradle-plugin' }
        maven { url '../../prebuilts/tools/common/m2/repository' }
        maven { url '../../prebuilts/tools/common/m2/internal' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.9.+'
    }
}

ext.supportVersion = '19.1.0'
ext.supportRepoOut = ''

/*
 * With the build server you are given two env variables.
 * The OUT_DIR is a temporary directory you can use to put things during the build.
 * The DIST_DIR is where you want to save things from the build.
 *
 * The build server will copy the contents of DIST_DIR to somewhere and make it available.
 */
if (System.env.DIST_DIR != null && System.env.OUT_DIR != null) {
    buildDir = file(System.env.OUT_DIR + '/gradle/frameworks/support/build')
    project.ext.distDir = file(System.env.DIST_DIR)
} else {
    buildDir = file('../../out/host/gradle/frameworks/support/build')
    project.ext.distDir = file('../../out/dist')
}

ext.supportRepoOut = new File(buildDir, 'support_repo')

// upload anchor for subprojects.
task mainUpload() {

}

// main task for release
task createArchive(type: Zip, dependsOn: mainUpload) {
    from project.ext.supportRepoOut
    destinationDir project.ext.distDir
    baseName = "support-${project.ext.supportVersion}"
}

// prepare repo.
task prepareRepo(type: Copy) {
    from "$rootDir/../../prebuilts/maven_repo/android"
    into project.ext.supportRepoOut
}

prepareRepo.doFirst {
    project.ext.supportRepoOut.deleteDir()
    project.ext.supportRepoOut.mkdirs()
}

subprojects {
    // Change buildDir first so that all plugins pick up the new value.
    project.buildDir = project.file("$project.parent.buildDir/../$project.name/build")

    apply plugin: 'maven'

    version = rootProject.ext.supportVersion
    group = 'com.android.support'

    task release(type: Upload) {
        configuration = configurations.archives
        repositories {
            mavenDeployer {
                repository(url: uri("$rootProject.ext.supportRepoOut"))
            }
        }
    }

    release.dependsOn rootProject.tasks.prepareRepo
    mainUpload.dependsOn release
}

FileCollection getAndroidPrebuilt(String apiLevel) {
    files("$rootDir/../../prebuilts/sdk/$apiLevel/android.jar")
}