[Numpy-discussion] Moving away from svn ?

Ondrej Certik ondrej@certik...
Fri Jan 4 15:17:33 CST 2008


On Jan 4, 2008 10:05 PM, David Cournapeau <cournape@gmail.com> wrote:
> On Jan 5, 2008 5:36 AM, Charles R Harris <charlesr.harris@gmail.com> wrote:
> >
>
>
> >
> > A quick google for benchmarks show that a year ago,  hg was a bit faster and
> > generated smaller repositories than bzr, but I don't think the difference is
> > enough to matter.
>
> Forget a year ago, because as far as bzr is concerned, they got much
> faster (several times faster for common operations like
> commit/branch/log/merge).
>
> > but Linus was definitely focused on speed, which is easy to understand if
> > you look at the churn in the kernel. Anyway, I suspect that, technically,
> > both bzr and hg are suitable choices. I'm not sure esr correct that it is
> > unlikely that both are going to last long term, bazaar (the ancestor of bzr)
> > is used for Ubuntu. But the two are similar and fill the same niche, so I
> > expect that one or the other will become dominant in the wild. And hg seems
> > to have the advantage of a head start and not being as tightly tied to
> > Linux.
>
> bzr is not tied to linux. They always have win32 binaries, TortoiseBzr
> has a longer history than the mercurial one, and as said previously,
> one developer of bzr at least is mainly a windows user. I don't want
> to sound like I defend bzr, because honestly, I don't care about which
> one is used, but so far, the arguments I heard against bzr do not
> reflect my experience at all.
>
> One thing that bzr tries hard is the general UI, and the explicit
> support for several workflows (with moderately advanced concepts such
> as shared repositories, bound branches: for example, with a branch A
> bound to branch B, a commit is first pushed on branch B, and if
> successfull, applied to A; for centralized worflows, this makes things
> easier). I honestly do not know if this is significant. bzr claims its
> merge capability is better: I do not know if this is true, or if that
> matters at all.
>
> I would rather discuss those than "bzr is tied to linux", because I
> don't think they are based on accurate or recent informations. As I
> said, I have bzr imports of scipy and scikits, and I could easily to
> the same for hg, make them available for everybody to play with.

Instead of devising our own arguments, read this:

http://bazaar-vcs.org/BzrVsHg

and the mercurial response therein.

Ondrej


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