At the risk of repeating myself - I think we should be conservative,
and that means Subversion.
My experience with distributed approaches has been one of confusion.
Ian.
On 22 Sep 2005, at 18:53, Matthew Toseland wrote:
There is a cvs2arch convertor. This is a bit of a hack though. It only
works with the HEAD branch (which is okay):
http://lists.gnu.org/archive/html/gnu-arch-users/2003-08/msg00198.html
However, arch may be dead. It *was* very popular, and *did* have a
very
active community, last year, but there is only one person (tom
lord) on
the savannah dev list, and rumours of it dying a death after he
left. It
is also probably a bit complex to use. Also can be quite slow
fetching a
revision. However it is post-1.0, and widely used, so presumably
fairly
stable. Also does not support Windows well.
Also there is a more general and stable convertor that can move
between
CVS, ArX, Darcs, and Monotone:
http://darcs.net/DarcsWiki/Tailor
Darcs is interesting, although it has a couple of issues:
http://abridgegame.org/darcs/
http://lwn.net/Articles/110516/#Comments
Darcs does not have cryptographic signatures, which is an interesting
side-issue. Also can be slow in merging. Can import from CVS, Arch or
Subversion. More on darcs and arch [2] - search for darcs.
ArX is also promising:
http://www.nongnu.org/arx/
Has all the basic features, should be reasonably simple to use, is
more
or less fully distributed but slow over high latency networking.
Hopefully this won't be a problem for Freenet 0.7.
So, does anyone have any opinions? Anyone used any of these? My
impression is that Subversion is essentially the same architecture as
CVS; it doesn't have any of the modern features such as proper
distribution/p2p support. It is however a significant improvement on
CVS, as Ian has pointed out.
IMHO we should choose a CVS replacement, and use it. Hopefully
bandwidth
issues from anonymous checkouts won't be too big a problem; dodo has
15GB/mo. Personally I am of the opinion that something with proper
distribution support i.e. not Subversion, would be better because it
would be easier to adapt to Freenet, and because it would help third
parties who are on the periphery and therefore don't have CVS write
access. All the above (and many more) have atomic commits. ArX and
Darcs
claim to have good merging. According to [1], Subversion's merging is
inferior to anything modern.
[1] yet another link, rather old:
http://www.onlamp.com/pub/a/onlamp/2004/01/29/scm_overview.html
another more recent comparison:
http://www.nongnu.org/arx/codecon/codecon.html
[2] another comparison
http://www.dwheeler.com/essays/scm.html
Anyone with experience in any of the above?
With most of the above, we can provide a read-only repository via HTTP
with no extra modules needed, so anonymous checkout isn't
necessarily a
problem either. There are also public options such as
sourcecontrol.net.
Sourceforge and savannah can do arch (and presumably bazaar) also.
On Thu, Sep 22, 2005 at 05:41:13PM +0100, Matthew Toseland wrote:
http://savannah.gnu.org/projects/gnu-arch
http://www.gnuarch.org/arch/arch-overview.html
On Thu, Sep 22, 2005 at 05:27:36PM +0100, Matthew Toseland wrote:
http://www.gnu.org/software/gnu-arch/
Anyone had any experience? There is already a port to freenet,
and the
guy who wrote it might perhaps be persuaded to update it; if not, we
might, eventually. The description sounds good.
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