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Mastering Gradle

Mastering Gradle

By : Mitra
3 (4)
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Mastering Gradle

Mastering Gradle

3 (4)
By: Mitra

Overview of this book

If you are a developer with some experience in build tool and want to become an expert in build tool, then this book is for you. Basic knowledge of Gradle or any other build tool is essential.
Table of Contents (12 chapters)
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11
Index

Task execution


As mentioned earlier, a task is nothing but a single or group of actions that is executed to perform certain operations. You can add multiple actions to doFirst or doLast closures if needed. The doFirst closure will always execute before the doLast closure. You can add the actions to the task even after task definition.

For example, add the following statements after the sampleTask2 task is mentioned in the preceding script.

sampleTask2.doFirst { println "Actions added separately" }
sampleTask2.doLast { println " More Actions added " }

The preceding statement will add two more additional actions to sampleTask2. Gradle provides one short notation for doLast, which is <<.

In Groovy, << is the left shift operator to append elements to a list:

task sampleTask3 << {
        println "Executing task3"
}
sampleTask3.doFirst {println "Adding doFirst action" }

Try to execute sampleTask3 and review the output:

$ gradle sampleTask3
...
:sampleTask3
Adding doFirst action
Executing...

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