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Editorial Team
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Asked: 2026-06-11T21:05:52+00:00

I would like to obtain a value from a bash shell command and set

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I would like to obtain a value from a bash shell command and set a property using this value.
I am not sure setting the property is the way to go — what I am trying to do is obtain a value from a shell command that is executed by Maven and to use this value to name the jar that is created.

More specifically, I would like to obtain using the git describe command the tag of a project and append this tag to the name of the jar.

I would like to do something like this within the pom:

tag = git describe
.
.
.
mv ‘$jarname’.jar ‘$jarname$tag’.jar

If I from the command line I execute

mvn jar:jar

I am not sure I can even affect the name of the resultant jar even if I had the git tag,
so that is another question.

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1 Answer

  1. Editorial Team

    What ended up working:

    Goal was to be able to store SHA1 and git tag in the manifest of a jar.

    Used the Maven plugin found here:

    http://code54.com/blog/2012/04/30/buildversion-plugin.html

    as well as the Maven buildnumber plugin.

    These two plugins respectively set the Maven properties build-tag and buildNumber which
    could then be specified in the Maven Jar plugin’s manifestEntries section.

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