Andrew's git / gitweb.git / Documentation/config/showbranch.txt
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Documentation / config / showbranch.txton commit repack: disable bitmaps-by-default if .keep files exist (7328482)
   1showBranch.default::
   2        The default set of branches for linkgit:git-show-branch[1].
   3        See linkgit:git-show-branch[1].