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https://issues.apache.org/jira/browse/MWRAPPER-161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17940983#comment-17940983
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Piotr Karwasz commented on MWRAPPER-161:
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I guess that {{dirname "$0"}} should be used instead of the variable expansion.
It is POSIX-2008, so it should work in all environments.
> Fails to run when executed using `sh`
> -------------------------------------
>
> Key: MWRAPPER-161
> URL: https://issues.apache.org/jira/browse/MWRAPPER-161
> Project: Maven Wrapper
> Issue Type: Bug
> Components: Maven Wrapper Scripts
> Affects Versions: 3.3.2
> Reporter: Volkan Yazici
> Priority: Major
>
> Several projects don't allow executable files in their version control system
> due to platform compatibility concerns. For instance, OpenJDK doesn't allow
> executables to be committed in Git repositories[1]. Hence, Maven Wrapper
> should be runnable as an argument to `sh`, though it is not:
> {code}
> sh mvnw
> mvnw: 109: cannot open mvnw/.mvn/wrapper/maven-wrapper.properties: No such
> file
> {code}
> due to the following line:
> {code}
> "${0%/*}/.mvn/wrapper/maven-wrapper.properties"
> {code}
> I expect there to be more issues due to `$0` usage assuming the script is
> executed as an executable – did not check.
>
> [1] See the `Executable files are not allowed (file: mvnw)` error generated
> by the Skara bot of OpenJDK in this PR attempting to integrate Maven Wrapper
> to JMH: https://github.com/openjdk/jmh/pull/154
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