2013/7/22 Stephan Beal <sgb...@googlemail.com> > On Mon, Jul 22, 2013 at 6:02 PM, Jacek Cała <jacek.c...@gmail.com> wrote: > >> Sorry for not being precise enough. You don't need to change the central >> repo. In fact you don't change any repo at all. Only during cloning you >> create a new 'seed' ticket number. Each repository has its own, ticket >> number prefix, either '1' if it is created or '...n.n.1' if it is cloned. >> > > When you say "repo" do you mean each clone, or each "central" repo? >
Each clone > Together with this 'seed' each repo has it's last_ticket_number variable >> (initalized with 1) which is a simple integer added to the seed and >> incremented on the 'create ticket' operation. I was to quick to say about >> dots only, so the last_ticket_number is added to the seed with, let say, a >> dash. Then, a ticket number is constructed as '<seed>-<last_ticket_number>'. >> > > Those would need to be purely local, correct? > Indeed, both just local variables, both set on clone operation. > > >> Cloning creates a repository tree: >> 1 >> 1.1 >> 1.2 >> 1.3 >> 1.2.1 >> etc. >> > > In the clone or in the central one? > These are the seeds of each of the clones. '1' is the primary repo created with 'fossil init', others are clones, e.g. '1.2.1' comes from cloning '1.2' which is the second clone of '1'. > >> whereas creating tickets adds an internal ticket number (independent for >> each repo) and so you can have: >> 1-1, 1-2, 1-3 >> 1.1-1, 1.1-2 >> 1.2.1-1, 1.2.1-2,... >> >> Is this clearer? >> > > i am assuming by "each repo" you mean "each clone" (which is also "each > repo"). If that is the case, i can conceive of this working strictly > locally, but i still don't see how it can possibly scale if those numbers > propagate in any way. If i clone the repo 100 times, do i end up with 1.1 > ... 1.100 ? > Yes, that would only mean that your clone tickets will start with '1.100-...' but it doesn't affect clone '1' much. All tickets of '1' are in form of '1-n' > What if a malicious person clones my repo in a loop a million times? If > the numbers are local, not a problem, but if they propagate then that is an > attack vector. > The only downside I see is that if a malicious person did that (given you have enough network bandwith) and you clone your repo next time, your tickets will start with prefix '1.1000000-'. > -- > ----- stephan beal > http://wanderinghorse.net/home/stephan/ > http://gplus.to/sgbeal > > _______________________________________________ > fossil-users mailing list > fossil-users@lists.fossil-scm.org > http://lists.fossil-scm.org:8080/cgi-bin/mailman/listinfo/fossil-users > >
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