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https://issues.apache.org/jira/browse/MDEP-620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16511731#comment-16511731
 ] 

Michael Osipov commented on MDEP-620:
-------------------------------------

I can preproduce that. Well, the issue that we never explicitly say that MDEP 
works on non-Maven directories with the standalone POM. Look at the comment in 
the {{DefaultMavenProjectBulder}}:

bq. This is used for pom-less execution like running archetype:generate. I am 
taking out the profile handling and the interpolation of the base directory 
until we spec this out properly.

> 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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