如何通过在gradle命令行上传递版本属性来设置project.version？ [英] How to set project.version by passing version property on gradle command line?

问题描述

我想通过命令行传递自定义的版本来构建JAR，例如：

当我执行像这样的gradle构建任务时：

  gradle build -Pversion = 1.0 
  

应该生成myproject-1.0.jar。

我已经尝试将以下行添加到 build.gradle ，但它不起作用：

  version = project.hasProperty（'version'）？ project ['version']：'10 .0.0'
  

解决方案

您无法从命令行覆盖现有项目属性，请查看此处。因此，尝试将版本变量重命名为不同于版本的版本，并在命令之前将其设置为 -P 标志，如：

  gradle -PprojVersion = 10.2.10 build 
  

然后在您的build.gradle

  if（project.hasProperty（'projVersion'））{
 project.version = project .projVersion 
} else {
 project.version = '10 .0.0'
} 
  

或者像你所做的那样：：operator

I want to build JAR with self-defined version passed via command line, such as:

When I execute gradle build task like this:

gradle build -Pversion=1.0

myproject-1.0.jar should be generated.

I have tried adding the line below to the build.gradle, but it did not work:

version = project.hasProperty('version') ? project['version'] : '10.0.0'

解决方案

You are not able to override existing project properties from command line, take a look here. So try to rename a version variable to something differing from version and set it with -P flag before command, like:

gradle -PprojVersion=10.2.10 build 

And then in your build.gradle

if (project.hasProperty('projVersion')) {
  project.version = project.projVersion
} else {
  project.version = '10.0.0'
}

Or as you did with ?: operator

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