There’s an update for the problem described here. As already suspected, Windows Vista applies some heuristics to mark files, so users need to elevate to administrator to be able to execute those programs. However, the “heuristics” that are applied seem to be rather simple:
On my Gentoo Linux at work, I’ve trying out git in the subversion locally, while committing to an SVN server. I did have issues getting the inital clone done; the repository is around 1 GB svn checkout size and contains ~89’000 revisions.
Continue reading about Converting large svn repositories w/ git-svn