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During initial subgit configure call, this setting is being set to the hostname. Also, if subgit configure is invoked with --layout auto option, SubGit connects to specified SVN project, checks its history and generates authors mapping using found SVN usernames and given defaultDomain, then . Then SubGit fills up the default authors file with the resulting mapping.
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A user made commits in SVN under john_doe SVN account.
When SubGit translates these commits to Git, it sets author name in Git commits in the following way:
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