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https://issues.apache.org/jira/browse/MDEP-620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512950#comment-16512950
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Michael Osipov commented on MDEP-620:
-------------------------------------
Please look at the source code of the mentioned class. The quoted sentence is
part of a comment from that class.
> mvn dependency:unpack via CLI generates ${project.basedir} folder
> -----------------------------------------------------------------
>
> Key: MDEP-620
> URL: https://issues.apache.org/jira/browse/MDEP-620
> Project: Maven Dependency Plugin
> Issue Type: Bug
> Components: unpack
> Environment: * Maven 3.5.3
> * CLI
> * macOS and CentOS
> Reporter: Dimitri R
> Priority: Major
>
> h3. Steps to reproduce
> 1. Get a sample dependency first
> {noformat}
> mvn dependency:get -DgroupId=org.apache.ant -DartifactId=ant -Dversion=1.8.3
> -Dpackaging=jar
> {noformat}
> 2. Delete the file
> *~/.m2/repository/org/apache/ant/ant/1.8.3/_remote.repositories*
> 3. Unpack the dependency somewhere
> {noformat}
> cd /tmp
> mkdir unpack
> mvn dependency:unpack -Dartifact=org.apache.ant:ant:1.8.3:jar
> -DoutputDirectory=./unpack
> {noformat}
> 4. Observe that *${project.basedir}* was created
> {noformat}
> $ ls -l /tmp/unpack
> total 0
> ... ${project.basedir}
> ... unpack
> {noformat}
> *_Note_* Step 2 is only necessary because of _getting_ the dependency, this
> wouldn't have to be done if it had been _installed_. This doesn't affect
> whether the bug occurs or not.
> h3. Workarounds
> The closest would be to use {{mvn dependency:copy}} and _then_ unpack
> manually through a subsequent command. Interestingly this shows that the bug
> doesn't affect {{mvn dependency:copy}}.
> ----
> Similar/related issues (their fixes don't apply here):
> - [https://stackoverflow.com/q/11669446/321797]
> - [https://netbeans.org/bugzilla/show_bug.cgi?id=221560]
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