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https://issues.apache.org/jira/browse/MNG-7180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17527045#comment-17527045
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Hudson commented on MNG-7180:
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Build failed in Jenkins: Maven » Maven TLP » maven » MNG-7457 #2
See
https://ci-maven.apache.org/job/Maven/job/maven-box/job/maven/job/MNG-7457/2/
> Make --color option behave more like BSD/GNU grep's --color option
> ------------------------------------------------------------------
>
> Key: MNG-7180
> URL: https://issues.apache.org/jira/browse/MNG-7180
> Project: Maven
> Issue Type: Improvement
> Reporter: Michael Osipov
> Assignee: Michael Osipov
> Priority: Major
> Fix For: 3.8.2, 4.0.0-alpha-1, 4.0.0
>
>
> Since MNG-7080 introduced this option we mimic grep's behavior, but not the
> way grep actually does.
> GNU grep: https://git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c#n2751
> FreeBSD grep:
> https://github.com/freebsd/freebsd-src/blob/781c3b51193e5bd99773439192ca68fdfdd9c330/usr.bin/grep/grep.c#L576-L596
> * Both make the value for {{--color}} optional and default to {{auto}}
> * They also accept {{tty}}, {{if-tty}}, {{yes}}, {{force}}, {{none}}, {{no}}
> We should support that approach too: Optional value and privately accepting
> additional values.
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