Gradle,dependsOn排序

Question

被分级点餐弄糊涂了。我是一个新手，以前在构建中使用过Ant，有过使用Gradle的经历，这可能会解释一些问题

简要背景（以防有人问“你为什么这么做”）。我们在war文件中提供了一个Java WebStart应用程序。Java7（从-40开始）正在提示用户关于缺少元素的格式不正确的jar文件。我想自动化一个获得战争的过程；从“bin”文件夹中提取JavaWS的JAR；向清单中添加元素稍后我将重新签名JAR并重新组装war，但现在我只想添加清单条目。

我的问题是，我定义了具有依赖元素的任务，但任务似乎以错误的顺序运行（参见下面的gradle文件）。我期望的是任务按顺序运行：delete dir；发动战争；解除战争；向JAR中添加元素。我看到的（从日志文件）是：元素被添加到jar，这实际上创建了一个新的jar，dir被删除，war被取消war，所以我最终得到了原始的war文件内容。

我检查了：Gradle任务来按顺序调用其他任务，但是，我似乎根本无法使用mustRunAfter，可能与我拥有的Gradle版本相关，但无论如何，我并不真的想要控制不同任务的顺序，我更喜欢（在我基于蚂蚁的思维中），我可以通过让任务相互依赖来定义我想要的顺序。

有人能看到我的构建文件中的缺陷吗？注意：如果我从辞职ClientJars任务中删除“dependson”，并在运行其他任务后手动运行它，那么它就会正常工作，并且我会使用清单中的新元素获得我的jars，因此我有一个可行的解决方法，但我更希望知道我在这里做错了什么。

task (deletework, type: Delete) {
    delete 'workYYY'
}

task (getlaganwar, type: Copy, dependsOn: deletework) {
    from "d:/dev/v8-0-5/wars"
    into "workYYY"
    include 'lagan.war'
}

task (unwar, type: Copy, dependsOn: getlaganwar) {
    from zipTree(file('workYYY/lagan.war'))
    into file("workYYY/lagan")
}

task (resignclientjars, type: Copy, dependsOn: unwar) {
//task (resignclientjars, type: Copy) {

//  mustRunAfter unwar

    def workDir = file("workYYY/lagan")
    def binDir = file(new File(workDir, "bin"))

    def collection = files { binDir.listFiles() }
    collection.each { 
        File jarFile = new File(binDir, it.name)
        ant.echo(message: "updating:${jarFile.absolutePath}")
        ant.jar(jarfile: jarFile, update: 'true') {
            manifest {
                attribute(name: 'Implementation-Title', value: 'Lagan Enterprise')
                attribute(name: 'Implementation-Vendor', value: 'Lagan Enterprise')
                attribute(name: 'Implementation-Version', value: 'Lagan Enterprise')
                attribute(name: 'Application-Name', value: 'Lagan Enterprise')
                attribute(name: 'Permissions', value: 'all-permissions')
            }
        }
    }
}

//unwar.mustRunAfter getlaganwar
//getlaganwar.mustRunAfter deletework
//resignclientjars.mustRunAfter getlaganwar

调试输出包含以下内容：

[sts] -----------------------------------------------------
[sts] Starting Gradle build for the following tasks: 
[sts]      :resignclientjars
[sts] -----------------------------------------------------

12:06:19.658 [WARN] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:echo] updating:D:\dev\util\java7-clientjars\workYYY\lagan\bin\DebugWinIEBrowser.jar
12:06:19.666 [WARN] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:echo] updating:D:\dev\util\java7-clientjars\workYYY\lagan\bin\DebugWinMSWord.jar
12:06:19.670 [WARN] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:echo] updating:D:\dev\util\java7-clientjars\workYYY\lagan\bin\WinIEBrowser.jar
12:06:19.674 [WARN] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:echo] updating:D:\dev\util\java7-clientjars\workYYY\lagan\bin\WinMSWord.jar

12:06:19.690 [INFO] [org.gradle.execution.TaskNameResolvingBuildConfigurationAction] Selected primary task ':resignclientjars'
12:06:19.692 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire exclusive lock on task artifact state cache (D:\dev\util\java7-clientjars\.gradle\1.5\taskArtifacts).
12:06:19.692 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired.
12:06:19.692 [INFO] [org.gradle.BuildLogger] Tasks to be executed: [task ':deletework', task ':getlaganwar', task ':unwar', task ':resignclientjars']

12:06:19.693 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Starting to execute task ':deletework'
12:06:19.693 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Determining if task ':deletework' is up-to-date
12:06:19.694 [INFO] [org.gradle.api.internal.changedetection.ShortCircuitTaskArtifactStateRepository] Task ':deletework' has not declared any outputs, assuming that it is out-of-date.
12:06:19.694 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] task ':deletework' is not up-to-date

12:06:19.695 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter] Executing actions for task ':deletework'.
12:06:19.695 [DEBUG] [org.gradle.api.internal.file.copy.DeleteActionImpl] Deleting D:\dev\util\java7-clientjars\workYYY

12:06:19.934 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Finished executing task ':deletework'
12:06:19.934 [LIFECYCLE] [org.gradle.TaskExecutionLogger] :getlaganwar
12:06:19.934 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Starting to execute task ':getlaganwar'
12:06:19.936 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Determining if task ':getlaganwar' is up-to-date

12:06:19.942 [INFO] [org.gradle.api.internal.changedetection.DefaultTaskArtifactStateRepository] Executing task ':getlaganwar' due to:
Output file D:\dev\util\java7-clientjars\workYYY for task ':getlaganwar' has changed.
Output file D:\dev\util\java7-clientjars\workYYY\lagan.war has been removed for task ':getlaganwar'.
12:06:19.942 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] task ':getlaganwar' is not up-to-date

12:06:19.944 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter] Executing actions for task ':getlaganwar'.

12:06:20.564 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Finished executing task ':getlaganwar'
12:06:20.565 [LIFECYCLE] [org.gradle.TaskExecutionLogger] :unwar
12:06:20.565 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Starting to execute task ':unwar'
12:06:20.586 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Determining if task ':unwar' is up-to-date
12:06:20.588 [DEBUG] [org.gradle.api.internal.changedetection.DefaultFileCacheListener] Can cache files for ZIP 'D:\dev\util\java7-clientjars\workYYY\lagan.war'
12:06:20.588 [DEBUG] [org.gradle.api.internal.changedetection.DefaultFileCacheListener] Can cache files for file 'D:\dev\util\java7-clientjars\workYYY\lagan'
12:06:24.096 [INFO] [org.gradle.api.internal.changedetection.DefaultTaskArtifactStateRepository] Executing task ':unwar' due to:
Output file D:\dev\util\java7-clientjars\workYYY\lagan for task ':unwar' has changed.

12:06:24.097 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] task ':unwar' is not up-to-date

12:06:24.100 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter] Executing actions for task ':unwar'.

12:06:27.863 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Finished executing task ':unwar'
12:06:27.863 [LIFECYCLE] [org.gradle.TaskExecutionLogger] :resignclientjars
12:06:27.864 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Starting to execute task ':resignclientjars'
12:06:27.864 [INFO] [org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter] Skipping task ':resignclientjars' as it has no source files.
12:06:27.864 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Finished executing task ':resignclientjars'
12:06:27.864 [LIFECYCLE] [org.gradle.TaskExecutionLogger] :resignclientjars UP-TO-DATE
12:06:27.865 [DEBUG] [org.gradle.execution.taskgraph.DefaultTaskGraphExecuter] Timing: Executing the DAG took 8.173 secs
12:06:27.865 [LIFECYCLE] [org.gradle.BuildResultLogger] 
12:06:27.865 [LIFECYCLE] [org.gradle.BuildResultLogger] BUILD SUCCESSFUL
12:06:27.865 [LIFECYCLE] [org.gradle.BuildResultLogger] 
12:06:27.866 [LIFECYCLE] [org.gradle.BuildResultLogger] Total time: 8.886 secs

Answer 1

构建脚本的问题不是任务依赖关系，而是resignClientJars的任务定义不正确。它的工作是在配置阶段（即，对于任何构建调用），而不是在执行阶段。正确的任务定义如下所示：

task resignclientjars(dependsOn: unwar) {
    doLast {
       ...
    }
} 

您可以在Gradle用户指南或Gradle论坛中了解配置阶段与执行阶段的关系。