[jira] (MNG-3558) Add a property substitution escaping mechanism

["Robert Scholte (JIRA)" <ji...@codehaus.org>]

    [ https://jira.codehaus.org/browse/MNG-3558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=361729#comment-361729 ] 

Robert Scholte commented on MNG-3558:
-------------------------------------

Could someone give a concrete example when escaping is required? To me this looks like [release:prepare's tagNameFormat|http://maven.apache.org/maven-release/maven-release-plugin/prepare-mojo.html#tagNameFormat]. So the plugin-developer should be able to fix it like this.

> Add a property substitution escaping mechanism
> ----------------------------------------------
>
>                 Key: MNG-3558
>                 URL: https://jira.codehaus.org/browse/MNG-3558
>             Project: Maven
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 2.0.9, 3.1.1
>            Reporter: Christophe DENEUX
>
> Hi,
> Developping a maven plugin, it is possible to initialize plugin parameters to "$\{artifactId}-$\{version}" without property substitution, using:
> {{@parameter expression="$$\{artifactId}-$$\{version}.$$\{extension}"}}
> at the parameter declaration.
> But, in a POM file, it seems to me that it is not possible to redefine the value of a such parameter without property substitution.
> I had tried without success:
> * <parameter>$\{dollar}\{artifactId}</parameter> with the property "dollar" set to "$", replaced by value of artifactId,
> * <parameter>$$\{artifactId}</parameter>, replaced by "$" followed by artifactId value,
> * <parameter>\$\{artifactId}</parameter>, replaced by "\" followed by artifactId value,
> * <parameter><!\[CDATA\[$\{artifactId}]]></parameter>, replaced by value of artifactId.
> Please, add a property substitution escaping mechanism.
> Thanks,
> Christophe



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