[Openmcl-devel] How about Git?
sionescu at cddr.org
Mon Nov 30 07:29:33 PST 2015
If you want to keep the master copy in SNV and mirror to git, SubGit can do that but mapping externals to submodules is not supported: http://www.subgit.com/remote-book.html chapter 9.
If you want to keep the master copy in git and access it through SVN, Github supports that: https://help.github.com/articles/support-for-subversion-clients/. Again, mapping submodules to externals is not supported.
That said, as far as I understand it, there are two reasons why binaries
are bundles with the sources:
1) for easy distribution of released binaries together with the code so
that those who only use releases can also M-. (or equivalent)
2) for easy bootstrap because of compiler and/or ABI(such as fasl
format) changes within a release.
These two issues can be solved by bundling all release binaries into a
single tarball, and ensuring that during the development phase the
compiler can always be easily bootstrapped from the previous released
binaries. This second part, though, I'm unsure how difficult it is. All
of it makes sense thinking about only if there's the feeling that git is
worth it. In my little world, I have so much tooling around git,
including the wonderful Magit client for Emacs, that unless I'm really
determined I don't contribute to non-Git projects any more, except for
maybe opening bugs.
> note that there are technical solutions that allow bi-directional
between svn and git, and if I understand correctly at least one
of them is
free (as in beer) for open-source projects. see www.subgit.com.
I am personally very skeptical that switching from svn to git would
solve more problems
than it would introduce, but I may be mistaken about that. Clozure's
policy has generally
been to give svn commit access to anyone who asks for it, but I
don't think that too many
people have asked. I don't think that the current system is ideal
by any means, and I don't
object to anything that would make CCL easier for more people to use
and contribute to. Why would I?
It's a slightly different issue, but the fact that Linux itself uses
git does not mean that
everyone has to deal with constant chaos (aside from the usual chaos
of Linux itself ...)
I don't know that we would be any more or less responsive to git
pull requests than
we are to Trac tickets.
I agree that "switching to git" would likely only be successful
if Clozure was actively involved in some way. my own scepticism
is (I think)
based on technical concerns. I don't -think- that anyone at
to the idea because we want to retain svn out of love for svn or out
a desire to hoard code which is freely available. If someone
wants to import
the svn repository into git, nothing is stopping them and if they
do so in a
way that deals with binaries and sources in a reasonable way
help to allay a lot of my scepticism. That's not the last step,
but it would
likely be a good first step.
> On 11/29/2015 10:48 PM, Ron Garret
>> On Nov 29, 2015, at 8:39 PM, Gary Byers <gb at clozure.com>
>>> If anyone wants to
import the CCL svn repository into git and host it on
what exactly is stopping them ?
If there is some answer to that question - other than the
fact that no one has
time or sees a clear benefit to doing so that would justify
the disruption that
it would likely cause - I haven't heard it, and if there is
some technical reason
I can't think of it.
and the url
that that the tool referenced on that page wants is likely
Thanks for volunteering. Good luck, and please let us
know how you dealt with the issues that some people
were trying to
>> The problem is not importing the current SVN repo into Git.
The problem is the on-going work of keeping the git repo up to
date if the “official” repo (i.e. the one that you’re checking
changes into) is still in SVN, and also the problem of pulling
changes in the git repo (if there are any, and there might be
because github pull requests are pretty handy) back into the
“official” SVN repo. Otherwise CCL will fork, and that’s
probably not a good thing.
>> For this reason it would be very helpful to have Clozure
Associates’ official blessing for switching to git, assuming
such a thing were in fact desirable. I’m a git fan, but since
CA is still doing the lion’s share of the work I think this
ought to be entirely CA's call.
> Openmcl-devel mailing list Openmcl-devel at clozure.com
Stelian Ionescu a.k.a. fe[nl]ix
Quidquid latine dictum sit, altum videtur.
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