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Re: It's not yet time to anoint git, or anything else

From: Tassilo Horn
Subject: Re: It's not yet time to anoint git, or anything else
Date: Wed, 02 Jan 2008 15:54:36 +0100
User-agent: Gnus/5.110007 (No Gnus v0.7) Emacs/23.0.50 (gnu/linux)

Ted Zlatanov <address@hidden> writes:

Hi Ted,

> ESR> But I think it's worth noting that pretty much all the good
> ESR> things being said about git apply equally to other DVCSes such as
> ESR> Mercurial, bzr, monotone, darcs, and Codeville.  All of these
> ESR> have very similar basic models based on commit-before-merge and
> ESR> push/pull operations.
> Has there ever been an ELisp-based VCS?  Should we at least consider
> it?  The advantages are significant for this group of developers, and
> it would certainly benefit other users.  The major disadvantage
> (besides having to write the code), I imagine, is incompatibility with
> other VCSs, and that can be addressed by a bridge to CVS/Git/Arch/etc
> as deemed appropriate (similar to the git-svn bridge).

I'd say that this would be a monster-job where we simply don't have the
man-power to do that.  And I don't see what those significant advantages
would be.  Could you elaborate on that?

IMO an elisp solution would bring at least those drawbacks:

  - huge effort to write and maintain it
  - since we get it right and reliable it may take very long
  - worse performance than a highly optimized C solution
  - since emacs is single-threaded any VC operation would block emacs

So my opinion is that we'd be better off to use one of the excellent
existing dVCSs.


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