The Art of the Builds

Hans Dockter
CEO, Gradleware
Founder Gradle
hans.dockter@gradleware.com
The Art Of Builds

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Watch the video with slide
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http://www.infoq.com/presentations
/build-system-concepts

Purpose of QCon
- to empower software development by facilitating the spread of
knowledge and innovation
Strategy
- practitioner-driven conference designed for YOU: influencers of
change and innovation in your teams
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- connecting and catalyzing the influencers and innovators
Highlights
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Presented at QCon San Francisco
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<target name="jar" depends="foo">
<mkdir dir="build/jar"/>
<jar destfile="build/HelloWorld.jar" basedir="build/classes">
<manifest>
<attribute name="Main-Class" value="oata.HelloWorld"/>
</manifest>
</jar>
</target>
task myDist(type: Jar) {
from jar, "readme.txt", "distributionDir"
}
assemble.dependsOn myDist // This wiring could be done automatically

<project>
[...]
<build>
[...]
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<configuration>
<descriptors>
//even more lines of code in the assemble descriptor
<descriptor>src/main/assembly/src.xml</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
[...]
</project>

Integration Tests
(5 mins)
Jar
Documentation
(5 mins)
Distribution
Generate
License Key
(1 sec)

<target name="dist" depends=“integrationTests, docs, jar, key”>
...
</target>
<target name="distDE" depends=“integrationTests, docs, jar, key”>
...
</target>
docs.shouldRunAfter integrationTests

Start Local
Server
Stop Local
Server
Integration
Tests

<target name="integrationTestAll" depends=“startServer,
integrationTests, stopServer”>
...
</target>
integrationTests.finalizedBy stopServer

-src
--main
---java
--integrationTests
---java

sourceSets {
integTest {
java.srcDir file('src/integration-test/java')
resources.srcDir file('src/integration-test/resources')
compileClasspath = sourceSets.main.output + configurations.integTest
runtimeClasspath = output + compileClasspath
}
}

// integration test plugin
configurations {
integTest.extendsFrom testRuntime
}
sourceSets {
integTest {
java.srcDir file('src/integration-test/java')
resources.srcDir file('src/integration-test/resources')
compileClasspath = sourceSets.main.output + configurations.integTest
runtimeClasspath = output + compileClasspath
}
}
task integrationTest(type: Test) {
group = 'verify'
testClassesDir = sourceSets.integTest.output.classesDir
classpath = sourceSets.integTest.runtimeClasspath
}
check.dependsOn integrationTest
apply plugin: 'java'
apply plugin: 'integration-test'
dependencies {
[...]
integTest "xmlunit:xmlunit:3.0"
}

dependencies {
[...]
integTest "xmlunit:xmlunit:3.0"
}

integrationTests {
db {
maxParallelForks = 1
}
ui {
maxParallelForks = 4
}
}
// integration test plugin
// define integrationTests declarative element …
...

apply plugin: 'android'
android {
compileSdkVersion 15
flavorGroups "abi", "version"
productFlavors {
arm {
flavorGroup "abi"
}
x86 {
flavorGroup "abi"
}
free {
flavorGroup "version"
packageName = "com.android.tests.flavored.free"
versionName = "2.0.0-free"
}
paid {
flavorGroup "version"
packageName = "com.android.tests.flavored.paid"
versionName = "1.0.0-paid"
}
}
}

Android tasks
-------------
androidDependencies - Displays the Android dependencies of the project
signingReport - Displays the signing info for each variant
Build tasks
-----------
assemble - Assembles all variants of all applications and secondary packages. [assembleArmFree, assembleArmPaid, assembleDebug, assembleRelease, assembleX86Free, assembleX86Paid]
assembleArmFree - Assembles all builds for flavor ArmFree [assembleArmFreeDebug, assembleArmFreeRelease]
assembleArmFreeDebug - Assembles the Debug build for flavor ArmFree
compileArmFreeDebug
compileArmFreeDebugAidl
compileArmFreeDebugRenderscript
dexArmFreeDebug
generateArmFreeDebugBuildConfig
mergeArmFreeDebugAssets
mergeArmFreeDebugResources
packageArmFreeDebug
prepareArmFreeDebugDependencies
processArmFreeDebugJavaRes
processArmFreeDebugManifest
processArmFreeDebugResources
validateDebugSigning
assembleArmFreeRelease - Assembles the Release build for flavor ArmFree
compileArmFreeRelease
compileArmFreeReleaseAidl
compileArmFreeReleaseRenderscript
dexArmFreeRelease
generateArmFreeReleaseBuildConfig
mergeArmFreeReleaseAssets
mergeArmFreeReleaseResources
packageArmFreeRelease
prepareArmFreeReleaseDependencies
processArmFreeReleaseJavaRes
processArmFreeReleaseManifest
processArmFreeReleaseResources
assembleArmFreeTest - Assembles the Test build for the ArmFreeDebug build
compileArmFreeDebug
compileArmFreeTest
compileArmFreeTestAidl
compileArmFreeTestRenderscript
dexArmFreeTest
generateArmFreeTestBuildConfig
mergeArmFreeTestAssets
mergeArmFreeTestResources
packageArmFreeTest
prepareArmFreeTestDependencies
processArmFreeTestJavaRes
processArmFreeTestResources
processArmFreeTestTestManifest
assembleArmPaid - Assembles all builds for flavor ArmPaid [assembleArmPaidDebug, assembleArmPaidRelease]
assembleArmPaidDebug - Assembles the Debug build for flavor ArmPaid
compileArmPaidDebug
compileArmPaidDebugAidl
compileArmPaidDebugRenderscript
dexArmPaidDebug
generateArmPaidDebugBuildConfig
mergeArmPaidDebugAssets
mergeArmPaidDebugResources
packageArmPaidDebug
prepareArmPaidDebugDependencies
processArmPaidDebugJavaRes
processArmPaidDebugManifest
processArmPaidDebugResources
assembleArmPaidRelease - Assembles the Release build for flavor ArmPaid
compileArmPaidRelease
compileArmPaidReleaseAidl
compileArmPaidReleaseRenderscript
dexArmPaidRelease
generateArmPaidReleaseBuildConfig
mergeArmPaidReleaseAssets
mergeArmPaidReleaseResources
packageArmPaidRelease
prepareArmPaidReleaseDependencies
processArmPaidReleaseJavaRes
processArmPaidReleaseManifest
processArmPaidReleaseResources
assembleArmPaidTest - Assembles the Test build for the ArmPaidDebug build
compileArmPaidDebug
compileArmPaidTest
compileArmPaidTestAidl
compileArmPaidTestRenderscript
dexArmPaidTest
generateArmPaidTestBuildConfig
mergeArmPaidTestAssets
mergeArmPaidTestResources
packageArmPaidTest
prepareArmPaidTestDependencies
processArmPaidTestJavaRes
processArmPaidTestResources
processArmPaidTestTestManifest
assembleDebug - Assembles all Debug builds [assembleArmFreeDebug, assembleArmPaidDebug, assembleX86FreeDebug, assembleX86PaidDebug]
assembleRelease - Assembles all Release builds [assembleArmFreeRelease, assembleArmPaidRelease, assembleX86FreeRelease, assembleX86PaidRelease]
assembleTest - Assembles all the Test applications [assembleArmFreeTest, assembleArmPaidTest, assembleX86FreeTest, assembleX86PaidTest]
assembleX86Free - Assembles all builds for flavor X86Free [assembleX86FreeDebug, assembleX86FreeRelease]
assembleX86FreeDebug - Assembles the Debug build for flavor X86Free
compileX86FreeDebug
compileX86FreeDebugAidl
compileX86FreeDebugRenderscript
dexX86FreeDebug
generateX86FreeDebugBuildConfig
mergeX86FreeDebugAssets
mergeX86FreeDebugResources
packageX86FreeDebug
prepareX86FreeDebugDependencies
processX86FreeDebugJavaRes
processX86FreeDebugManifest
processX86FreeDebugResources
assembleX86FreeRelease - Assembles the Release build for flavor X86Free
compileX86FreeRelease
compileX86FreeReleaseAidl
compileX86FreeReleaseRenderscript
dexX86FreeRelease
generateX86FreeReleaseBuildConfig
mergeX86FreeReleaseAssets
mergeX86FreeReleaseResources
packageX86FreeRelease
prepareX86FreeReleaseDependencies
processX86FreeReleaseJavaRes
processX86FreeReleaseManifest
processX86FreeReleaseResources
assembleX86FreeTest - Assembles the Test build for the X86FreeDebug build
compileX86FreeDebug
compileX86FreeTest
compileX86FreeTestAidl
compileX86FreeTestRenderscript
dexX86FreeTest
generateX86FreeTestBuildConfig
mergeX86FreeTestAssets
mergeX86FreeTestResources
packageX86FreeTest
prepareX86FreeTestDependencies
processX86FreeTestJavaRes
processX86FreeTestResources
processX86FreeTestTestManifest
assembleX86Paid - Assembles all builds for flavor X86Paid [assembleX86PaidDebug, assembleX86PaidRelease]
assembleX86PaidDebug - Assembles the Debug build for flavor X86Paid
compileX86PaidDebug
compileX86PaidDebugAidl
compileX86PaidDebugRenderscript
dexX86PaidDebug
generateX86PaidDebugBuildConfig
mergeX86PaidDebugAssets
mergeX86PaidDebugResources
packageX86PaidDebug
prepareX86PaidDebugDependencies
processX86PaidDebugJavaRes
processX86PaidDebugManifest
processX86PaidDebugResources
assembleX86PaidRelease - Assembles the Release build for flavor X86Paid
compileX86PaidRelease
compileX86PaidReleaseAidl
compileX86PaidReleaseRenderscript
dexX86PaidRelease
generateX86PaidReleaseBuildConfig
mergeX86PaidReleaseAssets
mergeX86PaidReleaseResources
packageX86PaidRelease
prepareX86PaidReleaseDependencies
processX86PaidReleaseJavaRes
processX86PaidReleaseManifest
processX86PaidReleaseResources
assembleX86PaidTest - Assembles the Test build for the X86PaidDebug build
compileX86PaidDebug
compileX86PaidTest
compileX86PaidTestAidl
compileX86PaidTestRenderscript
dexX86PaidTest
generateX86PaidTestBuildConfig
mergeX86PaidTestAssets
mergeX86PaidTestResources
packageX86PaidTest
prepareX86PaidTestDependencies
processX86PaidTestJavaRes
processX86PaidTestResources
processX86PaidTestTestManifest
build - Assembles and tests this project. [assemble, check]
buildDependents - Assembles and tests this project and all projects that depend on it. [build]
buildNeeded - Assembles and tests this project and all projects it depends on. [build]
clean - Deletes the build directory.
Help tasks
----------
dependencies - Displays all dependencies declared in root project 'flavors'.
dependencyInsight - Displays the insight into a specific dependency in root project 'flavors'.
help - Displays a help message
projects - Displays the sub-projects of root project 'flavors'.
properties - Displays the properties of root project 'flavors'.
tasks - Displays the tasks runnable from root project 'flavors' (some of the displayed tasks may belong to subprojects).
Install tasks
-------------
installArmFreeDebug - Installs the Debug build for flavor ArmFree
compileArmFreeDebug
dexArmFreeDebug
packageArmFreeDebug
processArmFreeDebugJavaRes
installArmFreeTest - Installs the Test build for the ArmFreeDebug build
compileArmFreeDebug
compileArmFreeTest
compileArmFreeTestAidl
compileArmFreeTestRenderscript
dexArmFreeTest
generateArmFreeTestBuildConfig
mergeArmFreeTestAssets
mergeArmFreeTestResources
packageArmFreeTest
prepareArmFreeTestDependencies
processArmFreeTestJavaRes
processArmFreeTestResources
processArmFreeTestTestManifest
installArmPaidDebug - Installs the Debug build for flavor ArmPaid
compileArmPaidDebug
dexArmPaidDebug
packageArmPaidDebug
processArmPaidDebugJavaRes
installArmPaidTest - Installs the Test build for the ArmPaidDebug build
compileArmPaidDebug
compileArmPaidTest
compileArmPaidTestAidl
compileArmPaidTestRenderscript
dexArmPaidTest
generateArmPaidTestBuildConfig
mergeArmPaidTestAssets
mergeArmPaidTestResources
packageArmPaidTest
prepareArmPaidTestDependencies
processArmPaidTestJavaRes
processArmPaidTestResources
processArmPaidTestTestManifest
installX86FreeDebug - Installs the Debug build for flavor X86Free
compileX86FreeDebug
dexX86FreeDebug
packageX86FreeDebug
processX86FreeDebugJavaRes
installX86FreeTest - Installs the Test build for the X86FreeDebug build
compileX86FreeDebug
compileX86FreeTest
compileX86FreeTestAidl
compileX86FreeTestRenderscript
dexX86FreeTest
generateX86FreeTestBuildConfig
mergeX86FreeTestAssets
mergeX86FreeTestResources
packageX86FreeTest
prepareX86FreeTestDependencies
processX86FreeTestJavaRes
processX86FreeTestResources
processX86FreeTestTestManifest
installX86PaidDebug - Installs the Debug build for flavor X86Paid
compileX86PaidDebug
dexX86PaidDebug
packageX86PaidDebug
processX86PaidDebugJavaRes
installX86PaidTest - Installs the Test build for the X86PaidDebug build
compileX86PaidDebug
compileX86PaidTest
compileX86PaidTestAidl
compileX86PaidTestRenderscript
dexX86PaidTest
generateX86PaidTestBuildConfig
mergeX86PaidTestAssets
mergeX86PaidTestResources
packageX86PaidTest
prepareX86PaidTestDependencies
processX86PaidTestJavaRes
processX86PaidTestResources
assembleArmFreeRelease
compileArmFreeRelease
compileArmFreeReleaseAidl
compileArmFreeReleaseRenderscript
dexArmFreeRelease
generateArmFreeReleaseBuildConfig
mergeArmFreeReleaseAssets
mergeArmFreeReleaseResources
packageArmFreeRelease
prepareArmFreeReleaseDependencies
processArmFreeReleaseJavaRes
processArmFreeReleaseManifest
processArmFreeReleaseResources
> 300 Tasks

http://gradlesummit.com
Gradle Summit 2015
June 11-12
Santa Clara, CA, USA

<target name="main" depends="foo" >
<groovy>
@Grab('org.codehaus.groovy.modules:groovyws:0.5.1')
import groovyx.net.ws.WSClient
def url = 'http://www.w3schools.com/webservices/tempconvert.asmx?WSDL'
def proxy = new WSClient(url, this.class.classLoader)
proxy.initialize()
ant.echo "I'm freezing at ${properties.celsius} degrees"
properties.result = proxy.CelsiusToFahrenheit(properties.celsius)
</groovy>
<antcall target="results"/>
</target>
task generateMountainFiles << {
def outputDir = mkdir("$buildDir/mountains")
def mountains = new XmlSlurper().parse(file("src/mountains.xml"))
mountains.mountain.each { mountain ->
def mountainFile = new File(outputDir, mountain.name.text() + ".txt")
mountainFile.text = "feet:${mountain.height.text()}"
}
}

task generateMountainFiles(type: ConvertMountainXml) {
outputDir = "$buildDir/mountains" as File
xmlFile = file("src/mountains.xml")
separator = ":"
}
class ConvertMountainXml extends DefaultTask {
@InputFile
File xmlFile
@Input
String separator
@OutputDirectory
File outputDir
@TaskAction
public void generate() {
def mountains = new XmlSlurper().parse(xmlFile)
mountains.mountain.each { mountain ->
def mountainFile = new File(outputDir, mountain.name.text() + ".txt")
mountainFile.text = "feet$separator${mountain.height.text()}"
}
}
}

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Hans Dockter
CEO, Gradleware
Founder Gradle
hans.dockter@gradleware.com
Questions?

Watch the video with slide synchronization on
InfoQ.com!
http://www.infoq.com/presentations/build-
system-concepts

The Art of the Builds

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