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https://issues.apache.org/jira/browse/SCM-231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17964443#comment-17964443
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Olivier Lamy commented on SCM-231:
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This project has moved from Jira to GitHub Issues. This issue was migrated to
[apache/maven-scm#395|https://github.com/apache/maven-scm/issues/395].
> Support for incoming deletions through provider-specific metadata file
> ----------------------------------------------------------------------
>
> Key: SCM-231
> URL: https://issues.apache.org/jira/browse/SCM-231
> Project: Maven SCM (Moved to GitHub Issues)
> Issue Type: Improvement
> Components: maven-scm-provider-local
> Affects Versions: 1.0-beta-4
> Reporter: Arne Degenring
> Assignee: Emmanuel Venisse
> Priority: Major
> Fix For: 1.0-beta-4
>
> Attachments: patch.txt
>
>
> As discussed on continuum-users:
> http://www.nabble.com/Update-over-scm-local-does-not-delete-files-removed-from-source-dir-tf2257460.html#a6281593
> Scm-local so far does not support incoming deletions. That means if you
> delete a file from the repository, it won't be deleted in your local working
> directory. This is a problem, e.g. if you use scm-local to connect Continuum
> to a ClearCase dynamic view. Files that are deleted from the repository will
> stay in Continuum's working directory and potentially cause the build to fail.
> The solution is to let scm-local maintain a xml file .maven-scm-local that
> contains the list of files in the repository directory, as seen during the
> last checkout or update operation:
> - During checkout, the file .maven-scm-local is created in the checkout base
> directory. Its an XML file containing the list of files that have been
> checked out.
> - The update command looks for the file. If it is there, it compares the
> contents of that file to the current repository directory contents (including
> subdirs). All files that are in .maven-scm-local but are no longer in the
> repository dir, have been deleted in the repository dir. The update command
> therefore removes them from the checkout dir.
> - If for whatever reason .maven-scm-local is not there, the update command
> won't delete any files. That way, we're backwards compatible.
> - After completing the update process, the update command rewrites the
> .maven-scm-local metadata file.
> The attached patch contains the implementation and test cases.
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