[jira] [Created] (MWRAPPER-57) Make sure that Maven Wrapper created with distribution type set to script won't fail on Unix machines

["Adam Gabrys (Jira)" <ji...@apache.org>]

Adam Gabrys created MWRAPPER-57:
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             Summary: Make sure that Maven Wrapper created with distribution type set to script won't fail on Unix machines
                 Key: MWRAPPER-57
                 URL: https://issues.apache.org/jira/browse/MWRAPPER-57
             Project: Maven Wrapper
          Issue Type: Improvement
          Components: Maven Wrapper Plugin
            Reporter: Adam Gabrys


When the Maven {{wrapper:wrapper}} goal is executed with the {{-Dtype=script}} parameter the {{maven-wrapper.jar}} and {{MavenWrapperDownloader.java}} files are not created. The problem is that the {{mvnw.cmd}} script guarantees that the Maven distribution will be downloaded. However, the {{mvnw}} script fails when the {{curl}} and {{wget}} binaries are not installed. It may cause potential issues like "works on my PC, but fails on the {{CI}} system". The documentation doesn't Inform the users about that fact.

I see a few possibilities to handle it:
# remove the {{script}} option, then the people use {{bin}} or {{source}}. The {{source}} option generates the required {{MavenWrapperDownloader.java}} file
# extend the {{script}} documentation with a warning that it may fail
# generate different scripts depending on the chosen option - when {{script}} is not 



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