I like to think that I keep up with changes in the continuous integration space but somehow I missed an important shift in source control thats been taking place over the last year and a half. While I was busy promoting subversion and TFS as SourceSafe replacements, the community has abandoned centralised source control alltogether in favour of distibuted variants. Mercurial, like Git and Bazaar is a distributed version control system and needs no central server control. If a server wants revisions of a project it simply clones or pulls revisions from clients it is interested in.
Large open source projects have used the model for many years with notable successes like the linux kernel but a recent shift by Mozilla to Mercurial as well as Google Code's adoption of Mercurial was what caught my attention. Having now caught up on my research of the subject, I feel like I've arrived late to the party. I'm not going to say too much about what I've learned but the long and short of it is this:
If you're still using centralised source control, stop it. At the time of writing, you have two options: Git or Mercurial. I leave it as an exercise for the reader to understand why if you don't already know...
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