如果源目录不存在，则失败Gradle Copy任务

问题描述：

我正在使用Gradle创建一个构建脚本。我想保护脚本不受错误属性的影响，脚本中的任务之一是简单的复制任务，我注意到当我从参数中将不存在的目录放置为参数时，任务继续跳过任务'：copySpecificPlatform'，因为它没有源文件。

I'm using Gradle to create a build script. I want to protect the script from wrong properties, one of the tasks in the script is simple Copy task and I notice that when I put non-exist directory as from parameter the task continue with Skipping task ':copySpecificPlatform' as it has no source files.

有没有办法导致复制任务在这种情况下失败？

Is there a way to cause the copy task to fail in this case?

答

您可以尝试：

You can try:

task cp(type: Copy) {
    from 'empty'
    into 'target'
    inputs.sourceFiles.stopExecutionIfEmpty()
}

每个任务的 TaskInputs 哪些源文件是 FileCollection = http://www.gradle.org/docs/current/javadoc/org/gradle/api/file/FileCollection.html#stopExecutionIfEmpty（）相对=nofollow >方法，它配置所需的行为。

Every Task has its TaskInputs which source files are a FileCollection that has special method which configures the desired behavior.

如果源目录不存在，则失败Gradle Copy任务

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