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https://issues.apache.org/jira/browse/MNG-7051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17291549#comment-17291549
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Herve Boutemy commented on MNG-7051:
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I have a question on this feature: in the case of a multi-module build, is the
check done on each module, or on the global multi-module build?
and, as done in MNG-7107 that I hope will be merged soon, the general
restriction on characters for profile ids (based on coordinate id rules) will
be removed, updating the description to mark that part as dropped will be
useful for clarity
> Optionally skip non-existing profiles
> -------------------------------------
>
> Key: MNG-7051
> URL: https://issues.apache.org/jira/browse/MNG-7051
> Project: Maven
> Issue Type: Sub-task
> Components: Profiles
> Reporter: Maarten Mulders
> Assignee: Martin Kanters
> Priority: Major
> Fix For: 4.0.0, 4.0.0-alpha-1
>
>
> For Maven 4, the behaviour of the {{-P}} command line option will change:
> * {{-P apache-release}} will activate the *apache-release* profile. If such
> a profile cannot be found, the build will break.
> * {{-P ?apache-release}} will activate the *apache-release* profile. If such
> a profile cannot be found, the build will continue but log a warning.
> {color:#ff0000}
> Note that this breaks the current behaviour of Maven 3 in two ways:
> {color}
> # {{-P apache-release}} will currently log a warning and not break the build.
> That behaviour can be restored by adding the {{?}}.
> # A profile that has an identifier that not valid (i.e., contains anything
> else than {{a}} - {{z}}, {{A}} to {{Z}}, {{0}} - {{9}}, {{-}}, {{_}} or
> {{.}}) will break the build.
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