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https://issues.apache.org/jira/browse/SCM-494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17964660#comment-17964660
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Olivier Lamy commented on SCM-494:
----------------------------------

This project has moved from Jira to GitHub Issues. This issue was migrated to 
[apache/maven-scm#706|https://github.com/apache/maven-scm/issues/706]. 

> Let providers indicate whether a commit is required before a tag
> ----------------------------------------------------------------
>
>                 Key: SCM-494
>                 URL: https://issues.apache.org/jira/browse/SCM-494
>             Project: Maven SCM (Moved to GitHub Issues)
>          Issue Type: Improvement
>          Components: maven-scm-api
>            Reporter: Mike Dillon
>            Priority: Minor
>         Attachments: requiresCommitBeforeTag.diff
>
>
> As part of looking into creating a patch for MRELEASE-477, I realized that 
> SCM providers would need to indicate whether they are able to create a "tag" 
> directly from a modified working copy. Subversion can do this, but not all 
> providers can. I'm providing a patch that adds a requiresCommitBeforeTag() 
> method to ScmProvider, similar to the requiresEditMode() method. It looks 
> like there is a request for a general "capabilities" API in SCM-23; this 
> would fit into such an API if it existed, but that issue doesn't have a patch 
> attached :)
> I haven't provided a test of this since it's only a flag that is not used 
> inside maven-scm (I'm planning to provide a patch for maven-release to use it 
> there). I could see it being used in scm:tag to allow a generic check for a 
> dirty working copy in a local-to-remote tag operation, but it seems like 
> these things are better handled by the provider themselves.



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