git and bzr

[Sean Russell]

On Monday 02 May 2005 04:36, Harri Salokorpi wrote:
> Since my provider has occasional 40% packet loss "happy hours" and dying
> connections, I vote for remote operations that make sure that tree is
> always in recoverable state. :)

Oh, heck yeah.  Transactions all around; this was (IMO) one of Subversion's 
killer features.  In fact, I'd happily pay for a loss in speed for 
transactions.  Since each local copy *is* a master repository, I don't 
believe that bazaar can afford not to.  If I screw up my local copy of a 
subversion project, in the worst case I can just check the project out again 
and do some manual merging.  If a bazaar database gets munged, you're toast.

The trivial transaction implementation is to clone the .bzr directory before a 
transaction, and delete it after the operation succeeds.

Incidentally, has anybody (Martin?  Anyone?  Anyone?) looked at fastcst, from 
Zed Shaw?  It *is* fast, and has some good ideas.  Furthermore, the current 
version is written in Ruby, which is a lot closer to Python than... well... a 
lot of other languages.  Actually, at this point, I don't know which project 
is more advanced; I think fastcst has more implemented features, but the 
commands are sort of odd.

	http://www.zedshaw.com/projects/fastcst/index.html

Finally, any theories on why we've had such an explosion of SCMs in the past 
year or two?  For a decade, it was RCS, CVS, and some commercial stuff.  Now, 
suddenly, we have a half dozen decent distributed SCMs, implemented in as 
many languages, and a couple good centralized SCMs.

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