buildscript { ext.getVersionCode = { -> try { def stdout = new ByteArrayOutputStream() exec { commandLine 'git', 'rev-list', '--first-parent', '--count', 'HEAD' standardOutput = stdout } return Integer.parseInt(stdout.toString().trim()) } catch (ignored) { return -1 } } } allprojects { repositories { google() jcenter() } } rootProject.buildDir = '../build' subprojects { project.buildDir = "${rootProject.buildDir}/${project.name}" } subprojects { project.evaluationDependsOn(':app') } tasks.register("clean", Delete) { delete rootProject.buildDir }