[IPython-dev] Moving to git/github

MinRK benjaminrk@gmail....
Wed Apr 14 14:30:37 CDT 2010

I fully support moving to git, as almost every new project I encounter is on
git, and IPython is the only thing I have had occasion to touch with bzr. In
particular, github makes forking/proposing contributions easier than
anything I have observed, and I have seen many projects on github benefit
from that. Moreover, the fork/contribute behavior is very active in the git
community, and I think just being on github is likely to prompt more
contribution than living at LP.


On Wed, Apr 14, 2010 at 11:46, Erik Tollerud <erik.tollerud@gmail.com>wrote:

> As a "casual" developer/power user of ipython, I have something to add
> here...
> > So I don't see a compelling reason to go to hg, despite the fact that
> > I'm sure it's a perfectly good tool.  I do like the fact that hg is
> > there and is good, I have the impression that the competition between
> > hg and git is benefiting both projects and they are learning from each
> > other.
> There is one compelling reason to choose hg over git: simplicity.  My
> experience between bzr, hg, and git has been that they are in exactly
> that order of increasing complexity... but hg and bzr are both *way*
> easier than git.  Frankly, it shows that git was written by someone
> who wrote the linux kernel - yes you can do a lot of things, but the
> simplest of things are just more complicated or have surprising
> gotchas.  The hg<->git bridge makes things easier, but the times I've
> used it, it seems to negate all the advantages of hg or git (speed
> and/or the advanced features), although that's only based on a couple
> data points.  And anyway, if the goal is simplicity, adding an
> additional conceptual layer is far worse than taking a few-percent
> speed hit.
> Now given that ipython is a somewhat "low-level" utility in that it
> seems rather difficult to just do some quick hacks on without really
> understanding what's going on, maybe this isn't an issue, as maybe all
> the core devs are fine with a more complex system... but git would
> certainly be a barrier to someone like me contributing.
> > It's true that it's a little annoying to use all systems, but
> > hopefully soon we'll be down to hg and git: I don't see bzr going
> > anywhere, and git-svn is a pretty good option to use for svn repos
> > once you're familiar with git.  And as those two converge even
> > further, it should get even easier.
> I personally use bzr for all of my projects that I have a choice in
> the matter... I think it's not at all clear-cut that bzr is going to
> disappear any sooner than hg or git unless Canonical and Ubuntu
> disappear - they're committed to launchpad and it is very closely tied
> to bzr - a lot of people will stick with it for exactly those reasons.
>  That's certainly not a reason to stick with bzr if most of the
> ipython devs aren't happy with it, but it's not fair to say it's dying
> by any stretch.
> I'd also add that it looks like you're using the pack-0.92 format...
> the more recent 2a format works quite a bit faster in my experience,
> and I've never had any conversion problems...
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