VCS comparison table

[Carl Worth]

On Tue, 17 Oct 2006 01:08:59 -0400, Aaron Bentley wrote:
> >> If that's true of Git, then it certainly has a simple namespace.  Using
> >> eight-digit hex values doesn't sound simple to me, though.
> >
> > It depends on your usage. If you want to do anything interesting, like
> > assure that you have the correct version, or assure that two different
> > person's tags actually tag the same revision, there is no simpler
> > representation.
>
> I can use the 'bzr missing' command to check whether my branch is in
> sync with a remote branch.  Or I can use the 'pull' command to update my
> branch to a given revno in a remote branch.

I think you missed the simplicity of the git naming here. With git, I
can receive a bug report that specifies a bug that appears in a
revision such as:

	71037f3612da9d11431567c05c17807499ab1746

And since I have a commit object in my repository with that same name
I have a strong assurance that I am testing the identical software as
the bug reporter without me ever needing any access to pull from the
reporter's repository.

And this works in an entirely distributed fashion. Any two users can
be certain they are working with identical software on both ends by
exchanging and comparing a few bytes, (in email, irc, bugzilla, what
have you), without any need to refer to a common repository which both
users have access to.

-Carl

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