Alexander Kriegisch created MJMOD-27:
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Summary: Implement unpack goal
Key: MJMOD-27
URL: https://issues.apache.org/jira/browse/MJMOD-27
Project: Maven JMod Plugin
Issue Type: New Feature
Affects Versions: 3.0.0-alpha-1
Reporter: Alexander Kriegisch
There has not been another alpha release for 2.5 years (2017/09 to 2020/05), so
I am not sure if this project is dead or alive. But in case development is
still active, I would like to have an option not only to create a JMOD but also
to unpack one. Maybe this could also be implemented in Maven Assembly. I am not
sure where it would fit best, but I think here.
Background:
* Sometimes I want to instrument JRE/JDK classes using ASM, ByteBuddy,
Javassist or similar byte code engineering tools during build time in order to
then either prepend the resulting JAR file to the boot classpath (Java <= 8) or
to use `--patch-module` (Java >= 9).
* In order to do that in Java 9+ environments, I have to use JDK command line
tools like _jmod.exe_ (unpack single JMOD from _jmods_ directory) or
_jimage.exe_ (unpack _lib/modules_).
* The result is a partly scripted build, using a Beanshell script via Build
Helper or something like Antrun.
* The benefit of having an unpack feature accessible via a Maven plugin is
obvious, I think. Who likes scripted builds?
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