Github user greghogan commented on the issue:
https://github.com/apache/flink/pull/2179
Also works when `dotGitDirectory` is removed from the pom.xml. The plugin
searches up the directory hierarchy if the given directory is not valid. Looks
to be a valid change but I wouldn't expect this to fix the intermittent errors.
https://github.com/ktoso/maven-git-commit-id-plugin/blob/v2.1.15/src/main/java/pl/project13/maven/git/GitDirLocator.java#L75
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