[#MNG-2596] Allow support for multiple classifier for a given artifact

Maven 2

Allow support for multiple classifier for a given artifact

Created: 10/Oct/06 03:33 AM Updated: 05/Mar/08 09:02 PM

Component/s:

Artifacts and Repositories

Affects Version/s:

2.0.4

Fix Version/s:

3.0

Time Tracking:

Not Specified

Issue Links:

Related

This issue is related to:

MNG-2650 Classifiers are not powerful enough to adress the problem of generating different flavours of an artifact

Complexity:

Intermediate

Description

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Right now Maven 2.0.x only support a single classifier per artifact. There are cases where more than 1 classifer would be required. For example the Clover plugin modifies the current artifact to add a "clover" classifier. However when the source plugin runs it tries to add another classifier ("sources") to the artifact. As only one classifier is currently supported it's not working (see ~~MSOURCES-10~~). In the clover plugin code we also have things like:

// Do not try to find Clovered versions for artifacts with classifiers. This is because Maven2 only
        // supports a single classifier per artifact and thus if we replace the original classifier with
        // a Clover classifier the artifact will fail to perform properly as intended originally. This is a
        // limitation.
        if ( artifact.getClassifier() == null )
        {

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Vincent Massol added a comment - 10/Oct/06 03:34 AM

This is probably something to consider for Maven 2.1

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Paul Gier added a comment - 10/Aug/07 09:27 AM

Can this be handled by just appending to the existing classifier? I don't think Maven prevents you from having a classifier "clover-sources". It seems like it would have the same effect as having multiple classifiers, but works with the current implementation. Any plugins that modify the classifier would just have to append to it instead of replacing it.

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Michael Semb Wever added a comment - 16/Jan/08 05:38 AM

I gather the following is related?

http://docs.codehaus.org/display/MAVENUSER/Expanded+Classifier+Support
( http://216.239.59.104/search?q=cache:D39KuRCONdQJ:docs.codehaus.org/display/MAVENUSER/Expanded%2BClassifier%2BSupport+Expanded+Classifier+Support&hl=en&ct=clnk&cd=1&client=firefox-a )