On Mon, Oct 15, 2012 at 05:50:47PM +0200, Angelo Borsotti wrote:
> correct, there will be no file overwriting because no files are
> written on the work tree.
> I tried to follow the actions of the program, but did not quite catch
> the 6. you mention.
It is the "oldval" parameter to refs.c:update_ref. Or if you are using
the "git update-ref" plumbing, it is the "oldvalue" parameter.
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