[jira] [Created] (MSHADE-249) Consistent dates in the jar entries

["Javier Sigler (JIRA)" <ji...@apache.org>]

Javier Sigler created MSHADE-249:
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             Summary: Consistent dates in the jar entries
                 Key: MSHADE-249
                 URL: https://issues.apache.org/jira/browse/MSHADE-249
             Project: Maven Shade Plugin
          Issue Type: New Feature
            Reporter: Javier Sigler


Nowadays, Java developers often create Docker images attaching the uberjar or collections of jars to the docker image. However, these jars are time dependant. In other words, each time you create a jar, it has a different hash even though the code is actually the same. This feature leads to the creation of multiple docker image for the same code, significantly increasing the deploy time.

The two reasons that makes the different hashes are:
1. jar entries contains the creation timestamp in at least the last modified attribute. 
2. each uberjar usually contains an automatically generated property file with a timestamp located in META-INF/maven/${package}/pom.properties  

The goal of this feature is to solve the first problem giving a consistent date to all the jar entries.

I take the liberty of create a github repository with the suggested change in the plugin to accomplish this feature https://github.com/javiersigler/apache-maven-shade-plugin 

In addition, you could find in the repository a solution of the second problem.

I hope you could find it useful.

Thank you in advance.





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