[cctbxbb] Not wishing to raise this again but...

R. D. Oeffner rdo20 at cam.ac.uk
Mon Jun 13 14:49:10 PDT 2016

Switching to git for the cctbx would be very liberating for developing and 
testing code I believe. If bisecting git hash values seems cumbersome one 
can always tag each commit with the number of previous commits made to the 
branch used for the build. These numbers are sequential and obviously 
straightforward to use for bisecting. We do this currently for the phaser 
git repo:


Date: Mon, 13 Jun 2016 21:24:58 +0000
From: <richard.gildea at diamond.ac.uk>
To: <cctbxbb at phenix-online.org>
Subject: Re: [cctbxbb] Not wishing to raise this again but...
Message-ID: <1BB183A24316FD4DA62A5F8B952D4291CC715321 at exchmbx03>
Content-Type: text/plain; charset="windows-1252"

At least according to Google Trends, svn has been on a downward trend since 
about 2009/10, whereas git is still firmly on an upward trend (and overtook 
svn in popularity long ago):



I think that avoiding a move to git is simply delaying the inevitable (and 
if the cctbx didn't ever move with the times then we'd still be stuck with 
CVS). In my opinion, the potential benefits to using git far outweigh the 
(slightly) added complexity.



From: cctbxbb-bounces at phenix-online.org [cctbxbb-bounces at phenix-online.org] 
on behalf of Nicholas Sauter [nksauter at lbl.gov]
Sent: 13 June 2016 22:05
To: cctbx mailing list
Subject: Re: [cctbxbb] Not wishing to raise this again but...

I'd vote against the switch to git.  Simple things, like svn update [remote 
directory] seem too complicated. As for slightly involved tasks like code 
bisection to locate the past commit that broke the test, well....I've never 
been able to figure this one out so I am pretty lost trying to debug DIALS. 
I do not wish to make things difficult for the maintenance of cctbx.xfel.


Nicholas K. Sauter, Ph. D.
Computer Staff Scientist, Molecular Biophysics and Integrated Bioimaging 
Lawrence Berkeley National Laboratory
1 Cyclotron Rd., Bldg. 33R0345
Berkeley, CA 94720
(510) 486-5713

On Mon, Jun 13, 2016 at 8:52 AM, Luc Bourhis 
<luc_j_bourhis at mac.com<mailto:luc_j_bourhis at mac.com>> wrote:

On 13 Jun 2016, at 17:09, 
Graeme.Winter at Diamond.ac.uk<mailto:Graeme.Winter at diamond.ac.uk> wrote:

? is there any enthusiasm out there for moving cctbx to git? The more I work 
with git the more I wish this existed properly for cctbx.

I?ve raised this a bunch of times and always it is ?not right now? however 
?a good idea? ? this?ll be the last time I ask?

Could we move to git, please? I note the bootstrap script for Windows now 
has a git dependency even!


? and time to share some thoughts! It would be great if we could get the 
cctbx up and running by just cloning, configuring and building without 
needing to download anything else.

That could be done by adding SCons, Boost, and ccp4io as  submodules in the 
cctbx repository. And I reckon ccp4io_adaptbx should be added as a subtree 
since it is developed by the same people as the cctbx.

Just an idea to think about as I haven?t not worked out the details at all.

Best wishes,


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cctbxbb at phenix-online.org<mailto:cctbxbb at phenix-online.org>

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