Migrating from Google Code to BitBucket
Here is a quick guide on migrating a project code from Google Code (SVN) to BitBucket (git) using TortoiseGIT, so with a GUI, and with no cryptic command line in sight.
Migrating Wiki/Issues is a bit more involved and not covered here. Migrating downloads has to be done by re-uploading to BitBucket (but at least BitBucket supports binary downloads).