如何访问 maven.build.timestamp 进行资源过滤 [英] How to access maven.build.timestamp for resource filtering

问题描述

我正在使用 maven 3.0.4 并希望我的应用程序可以访问构建时间戳.为此，我在 .properties 文件中放置了一个占位符，并让 maven 过滤构建.虽然这对 ${project.version} 工作正常，但 ${maven.build.timestamp} 在过滤时不会被替换.

I am using maven 3.0.4 and would like to make the build timestamp accessible to my application. For this, I'm putting a placeholder in a .properties file and let maven filter on build. While this is working fine for ${project.version}, ${maven.build.timestamp} is not substituted on filtering.

该属性似乎在构建时可用 - 我可以用它来修改工件名称:

The property seems to be available on build - I can use it to modify the artifact name:

${project.artifactId}-${maven.build.timestamp}

那为什么不能用于资源过滤呢?而且，更重要的是，我如何使其可访问?

So why is it not available for resource filtering? And, more importantly, how do I make it accessible?

推荐答案

我发现了这个文章，解释说由于 maven 中的错误，构建时间戳不会传播到过滤.解决方法是将时间戳包装在另一个属性中:

I have discovered this article, explaining that due to a bug in maven, the build timestamp does not get propagated to the filtering. The workaround is to wrap the timestamp in another property:

<properties>
   <timestamp>${maven.build.timestamp}</timestamp>
   <maven.build.timestamp.format>yyyy-MM-dd HH:mm</maven.build.timestamp.format>
</properties>

过滤然后按预期工作

buildTimestamp=${timestamp}

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