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https://issues.apache.org/jira/browse/SCM-806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17964975#comment-17964975
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Olivier Lamy commented on SCM-806:
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This project has moved from Jira to GitHub Issues. This issue was migrated to
[apache/maven-scm#1033|https://github.com/apache/maven-scm/issues/1033].
> JGit impl should look for repositories in parent directories
> ------------------------------------------------------------
>
> Key: SCM-806
> URL: https://issues.apache.org/jira/browse/SCM-806
> Project: Maven SCM (Moved to GitHub Issues)
> Issue Type: Bug
> Components: maven-scm-provider-gitexe
> Affects Versions: 1.9.4
> Reporter: Richard DiCroce
> Assignee: Robert Scholte
> Priority: Major
> Fix For: 1.9.5
>
> Attachments: jgit-patch.txt
>
>
> The JGit SCM implementation only works if the path passed to its commands
> points to a Git repository directory or a directory that contains a Git
> repository directory. This behavior is different from the Git executable,
> which can be run in any subdirectory and will find the Git repository by
> searching parent directories.
> This difference creates a problem for the maven-release-plugin when used on
> flat multi-module projects. The prepare goal needs to check for SCM changes,
> and the JGit implementation will throw an exception, causing the release to
> fail. This happens because the path provided is the basedir of the project
> you invoke the plugin on, which is not the directory that contains the Git
> repository. As far as I can tell, there is no way to change the directory
> that maven-release-plugin passes during prepare. (The workingDirectory
> configuration option only affects the perform goal.)
> So I have created this patch to make the JGit implementation better mimic the
> GitExe implementation. It alters most of the commands (with the exception of
> CheckOut) to search parent directories for the repository and respect Git
> environment variables.
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