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Posted to issues@maven.apache.org by "Michael Osipov (Jira)" <ji...@apache.org> on 2025/04/03 15:08:00 UTC

[jira] [Commented] (MNG-8672) Maven 4 CLI substitutes variable when single quoted

    [ https://issues.apache.org/jira/browse/MNG-8672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17940731#comment-17940731 ] 

Michael Osipov commented on MNG-8672:
-------------------------------------

I knew that the offending change is a problem.

> Maven 4 CLI substitutes variable when single quoted
> ---------------------------------------------------
>
>                 Key: MNG-8672
>                 URL: https://issues.apache.org/jira/browse/MNG-8672
>             Project: Maven
>          Issue Type: Bug
>          Components: Bootstrap &amp; Build
>    Affects Versions: 4.0.0-rc-4
>            Reporter: Alexis Tual
>            Priority: Major
>
> When executing this command line:
>  
> {code:java}
> placeholder=foo mvn clean verify '-DsomeProp=${placeholder}'{code}
>  
> Then we get:
> - Maven 3:  {{someProp}} equals to an empty string
> - Maven 4.0.0-rc-4-SNAPSHOT (5426073a3655278e58f8a4178faae335b1544fc0) :  {{someProp}} equals to {{foo}}
> The single quote implies the variable should not be substituted, in that sense Maven 3 seems to be the correct behavior.
> It's due to this [change|https://github.com/apache/maven/commit/335ba3941c2804704ef11598eb512c305045ab58#diff-7338f8ec18a686d67b8ce118f13744dfd6bb26e92b84c73c8043a946a72283fbR241-R262]. 



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