Introducing gitfs
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Git has been a developer’s go-to tool ever since it started to gain popularity a few years back. Still, not everyone who gets to play a bit with code will want to go through the whole process of learning its quirks. This is where gitfs, the open-source tool we’re launching right now, comes into play.
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Introducing gitfs
- 1. | open source developers users
- 2. | open source whoami and what do I do
- 5. | open source the problem problem?
- 6. | open source once upon a time...
- 7. | open source in one student dorm
- 11. | open source
- 12. | open source introducing gitfs
- 13. | open source gitfs what is it?
- 15. | open source easy! as 1, 2, 3 gitfs
- 16. | open source gitfs
- 18. | open source how was it made? gitfs
- 20. | open source for git gitfs
- 21. | open source git = pygit2 gitfs
- 22. | open source from pygit2 import clone_repository, Keypair
- 23. | open source from pygit2 import clone_repository, Keypair credentials = Keypair("git", "/home/wok/.ssh/ unsafe_key.pub","/home/wok/.ssh/unsafe_key", "") gitfs
- 24. | open source from pygit2 import clone_repository, Keypair credentials = Keypair("git", "/home/wok/.ssh/ unsafe_key.pub","/home/wok/.ssh/unsafe_key", "") repository = clone_repository("git@github. com:vtemian/gitfs-demo","/home/wok/gitfs-demo", credentials=credentials) gitfs
- 25. | open source from pygit2 import clone_repository, Keypair credentials = Keypair("git", "/home/wok/.ssh/ unsafe_key.pub","/home/wok/.ssh/unsafe_key", "") repository = clone_repository("git@github. com:vtemian/gitfs-demo","/home/wok/gitfs-demo", credentials=credentials) remote = [remote for remote in repo.remotes if remote.name == "origin"] remote[0].credentials = credentials gitfs
- 26. | open source from pygit2 import clone_repository, Keypair credentials = Keypair("git", "/home/wok/.ssh/ unsafe_key.pub","/home/wok/.ssh/unsafe_key", "") repository = clone_repository("git@github. com:vtemian/gitfs-demo","/home/wok/gitfs-demo", credentials=credentials) remote = [remote for remote in repo.remotes if remote.name == "origin"] remote[0].credentials = credentials remote[0].push("refs/heads/master") gitfs
- 27. | open source for the file system gitfs
- 28. | open source file system = fusepy gitfs
- 29. | open source class Memory(Operations): gitfs
- 30. | open source class Memory(Operations): def open(self, path, flags): self.fd += 1 return self.fd gitfs
- 31. | open source class Memory(Operations): def open(self, path, flags): self.fd += 1 return self.fd def read(self, path, size, offset, fh): return self.data[path][offset:offset + size] gitfs
- 32. | open source class Memory(Operations): def open(self, path, flags): self.fd += 1 return self.fd def read(self, path, size, offset, fh): return self.data[path][offset:offset + size] def rename(self, old, new): self.files[new] = self.files.pop(old) gitfs
- 33. | open source class Memory(Operations): def open(self, path, flags): self.fd += 1 return self.fd def read(self, path, size, offset, fh): return self.data[path][offset:offset + size] def rename(self, old, new): self.files[new] = self.files.pop(old) def rmdir(self, path): self.files.pop(path) self.files['/']['st_nlink'] -= 1 gitfs
- 34. | open source class Memory(Operations): def open(self, path, flags): self.fd += 1 return self.fd def read(self, path, size, offset, fh): return self.data[path][offset:offset + size] def rename(self, old, new): self.files[new] = self.files.pop(old) def rmdir(self, path): self.files.pop(path) self.files['/']['st_nlink'] -= 1 def write(self, path, data, offset, fh): self.data[path] = self.data[path][:offset] + data self.files[path]['st_size'] = len(self.data[path]) return len(data) gitfs
- 35. | open source first iteration gitfs
- 36. | open source very dirty def rename(self, old, new): if "history" in old or new: # raise EROFS elif old == "/" or new == "/": # raise EROFS else: # do the actual rename gitfs
- 37. | open source second iteration gitfs
- 38. | open source read() Router CurrentView HistoryView CommitView IndexView gitfs
- 40. | open source back to the drawing board >$ █ gitfs
- 42. | open source solve conflicts gitfs
- 43. | open source solve conflicts 1 2 3 7 8 4 5 6 remote local gitfs
- 44. | open source 1 2 3 4 5 6 merging_remote 1 2 3 7 8 merging_local gitfs solve conflicts
- 45. | open source 1 2 3 4 5 7'6 8' merging_remote 1 2 3 7 8 merging_local gitfs solve conflicts
- 46. | open source 1 2 3 4 5 7'6 8' local gitfs solve conflicts
- 47. | open source back to the drawing board >$ █ gitfs
- 48. | open source third iteration gitfs
- 50. | open source back to the drawing board >$ █ gitfs
- 52. | open source Fuse threads gitfs
- 53. | open source Fuse threads commits gitfs
- 54. | open source Fuse threads Commit queue commits gitfs
- 55. | open source Fuse threads Commit queue Sync worker commits gitfs
- 56. | open source Fuse threads Commit queue Sync worker commits want to sync don't open for write gitfs
- 57. | open source Fuse threads Commit queue Sync worker commits commit want to sync don't open for write gitfs
- 58. | open source Fuse threads Commit queue Sync worker commits commit want to sync sync done don't open for write gitfs
- 59. | open source Fuse threads Commit queue Sync worker Fetch worker commits commit want to sync sync done don't open for write FETCH FETCH FETCH gitfs
- 60. | open source Fuse threads Commit queue Sync worker Fetch worker commits commit want to sync sync done don't open for write Nothing happens FETCH FETCH FETCH gitfs
- 61. | open source Fuse threads Commit queue Sync worker Fetch worker commits commit want to sync sync done don't open for write Nothing happens Nothing happens but somebody is still writing FETCH FETCH FETCH gitfs
- 62. | open source Fuse threads Commit queue Sync worker Fetch worker commits commit want to sync sync done don't open for write Nothing happens Nothing happens but somebody is still writing Nothing happens but somebody is still writing so we can merge and push FETCH FETCH FETCH gitfs
- 63. | open source back to the drawing board >$ █ gitfs
- 65. | open source $ sudo add-apt-repository ppa:presslabs/gitfs $ sudo apt-get update $ sudo apt-get install gitfs gitfs
- 66. | open source 720 commits 4215 lines of code 187 tests 4 contributers 3½ months
- 70. | open source thank you
- 71. | open source