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Seems like Microsoft is trying to brand a cached proxy for Git...? This would make more sense as a paid service for those that need it. Possibly, a local applia

• WorldMaker 9y ago
  It's a virtualization layer for the Git object database (all the hash-named files in a repository's .git folder) intended for sparsely checking out large git repositories (lots of commit history, huge trees of files, etc), and only downloading the objects you need as you need them. It defines a "CDN protocol" for downloading those objects as needed (which Bitbucket and GitHub are both supporting in various alpha/beta stages), which is essentially a cache offered as a paid service to big enterprise projects, but the GVFS project also has to make sure that git operates as efficiently as possible with sparse object databases, and implements how those sparse object databases work at all (which to this point was not something git concerned itself with, and partly why the work is being done as a filesystem proxy using placeholder files on the user's machine). The project has included work in making sure that git commands touch as few objects from the object database as they can to get their work done (minimizing downloads from a remote server).