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https://issues.apache.org/jira/browse/RAT-362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17818282#comment-17818282
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Niels Basjes commented on RAT-362:
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Thanks.
I was able to reproduce this.
{code:bash}
docker run -ti maven:3.9.6-eclipse-temurin-21-jammy bash -i
git clone https://github.com/nielsbasjes/BugreportRAT362 foo
cd foo
mvn -X validate
{code}
If the directory is not '/foo' (I tested it with `/xxx`) but something else the
problem does not occur.
I'm going to figure out what is happening here and see how I can fix this.
> plugin: .gitignore not correctly applied
> ----------------------------------------
>
> Key: RAT-362
> URL: https://issues.apache.org/jira/browse/RAT-362
> Project: Apache Rat
> Issue Type: Bug
> Affects Versions: 0.16.1
> Reporter: Arnout Engelen
> Assignee: Jean-Baptiste Onofré
> Priority: Minor
> Fix For: 0.17
>
>
> When I have a Maven project checked out in the directory '/foo', and I have a
> file called 'foo.md' in the root of that project, ignoring it by putting a
> '/foo.md' entry in the .gitignore file does not work.
> It is unclear whether this is an issue in the plugin or in de codeowners
> gitignore-reader dependency: the plugin is passing relative filenames (i.e.
> 'foo.md') to GitIgnoreFileSet#isIgnoredFile , but the API docs on that method
> don't make it too clear whether that is intended to accept absolute
> filenames, relative filename, or both.
> In this scenario, it seems to take the relative filename 'foo.md' and remove
> the project base directory '/foo' from it, leaving '/.md' (which then of
> course does not match the 'foo.md' from the .gitignore).
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