如何获取Maven groupId，artifactId和&项目版本到命令行 [英] How to get Maven groupId, artifactId & project version to the command line

问题描述

我想从命令行中检索 groupId，artifactId和& Maven项目的版本.

本主题中的建议解决方案"如何将Maven项目版本获​​取到bash命令行"是使用以下插件:

The proposed solution in this topic "How to get Maven project version to the bash command line" is to use the following plugin:

mvn org.apache.maven.plugins:maven-help-plugin:2.2:evaluate -Dexpression=project.artifactId

它运作良好，但我不知道如何同时将project.groupId, project.artifactId & project.version设置为 -Dexpression 参数.

It works well but I can't figure out how to set, at the same time, the project.groupId, project.artifactId & project.version to the -Dexpression argument.

我避免每次使用不同的 -Dexpression 参数启动3次Maven命令...

I would avoid launching 3 times the Maven command with a different -Dexpression argument each time...

思考

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目前，我通过执行以下操作来检索数据:

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For the moment, I retrieve data by doing the following:

local pom_groupid=`mvn org.apache.maven.plugins:maven-help-plugin:2.2:evaluate -Dexpression=project.groupId |grep -Ev '(^\[|Download\w+:)'`
local pom_artifactid=`mvn org.apache.maven.plugins:maven-help-plugin:2.2:evaluate -Dexpression=project.artifactId |grep -Ev '(^\[|Download\w+:)'`
local pom_version=`mvn org.apache.maven.plugins:maven-help-plugin:2.2:evaluate -Dexpression=project.version |grep -Ev '(^\[|Download\w+:)'`

推荐答案

这是另一种不需要创建Maven插件的方法，即使Olivier已经证明制作它很容易.

Here's another approach that doesn't require creating a Maven plugin even though Olivier has shown that it is pretty easy to make one.

mvn -q -Dexec.executable = echo -Dexec.args ='$ {project.groupId} $ {project.artifactId} $ {project.version}'-非递归exec:exec 2>/dev/空

mvn -q -Dexec.executable=echo -Dexec.args='${project.groupId} ${project.artifactId} ${project.version}' --non-recursive exec:exec 2>/dev/null

请注意，这是针对linux环境量身定制的.在Windows上，您可能会创建一个批处理文件，以打印其输入内容或其他内容.

Note that this is tailored to the linux environment. On windows you could probably create a batch file that prints its input or something.

这种方法的一个缺点是您可能必须在上述命令的末尾(在2>/dev/null之后)添加| grep -v "something"，以过滤掉一些maven打印到stdout的文本.就我而言，只有一行要过滤的文字只会出现在我的公司中.

One drawback of this approach is that you may have to add | grep -v "something" to the very end of the command above (after the 2>/dev/null) to filter out some text that maven prints to stdout. In my case I only had one line of text to filter that'll only appear at my company.

应收款项的信用:我从

Credit where it is due: I adapted this info from this other StackOverflow thread.

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