On 27/09/2012 8:44 AM, Thomas Ferris Nicolaisen wrote: > There are two aspects you need to think a lot about: The first one is > the organizational one. Read this experience report from Etsy > <http://codeascraft.etsy.com/2011/12/02/moving-from-svn-to-git-in-1000-easy-steps/> > on some more ideas on what to think about (there are plenty more > reports like this around the web). The second is the technical > approach, meaning how do you physically get the the code and history > out of SVN and into Git. > > In combination of these two aspects, you need to decide whether you > want to do either or a combination of these migrations: > > 1) a gradual migration, where you migrate subprojects/teams > one-by-one 2) a backward compatible bridge-setup (like the one I've > documented here > <http://www.tfnico.com/presentations/git-and-subversion>), where > people can try out Git while still using Subversion at the same time > 3) a complete cold-turkey migration, where people leave the office > one day having used subversion, and the next morning everything is in > Git (requires a *lot* of preparation, a few failed attempts, and > pulling off an all-nighter for the final migration). > > Before you decide on a strategy, it is wise to start experimenting > with how a migration can work. I find the best way is using git-svn, > and just clone *something* out of the SVN repo, and see how it works. > git svn clone [url-to-project] and off you go. > > It is possible to do a git-svn clone of the entire Subversion > repository into a huge Git repository, and then start splitting it > into smaller repositories using filter-branch. You could try this to > simulate how a cold turkey migration could work. > > Once you have some experience on these strategies, you can start > thinking about how to work the svn:externals into this. Perhaps > git-submodules <http://git-scm.com/book/en/Git-Tools-Submodules> is a > good fit for them, or a different tool like gitslave > <http://gitslave.sourceforge.net/>. > > Depending on your organization, be prepared for weeks or months of > hard work for this to come through, plus a lot of organizational > resistance. You'll probably have to become a Git/git-svn guru on the > way in order to pull through. > > > Thanks for the starting points Thomas - I am already the local SVN and general Revision Control Gru, (not so much an expert as the only one who knows anything/thinks about it/RTFM.
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