Raw Git

A quick presentation covering some of the basics of working with Git objects in Ruby.

Transcript

1. Raw Git Underneath the porcelain and plumbing
3. What is git? • Distributed Version Control System • A content addressable filesystem • OMG It’s full of SHA1 hashes! • With some reference logs to these hashes That’s pretty much it...
4. git in 15 seconds
11. wtf just happened?
13. so many files. ermahgerd.
15. its just a graph, really
16. with three main objects
17. “files” blobs
18. “directories” trees
19. “references to trees” commits
20. and a reference log
22. … because its easy let’s do this by hand
26. “blob” SP <length> NUL
36. does git work now? we made a blob!
40. NOPE!
41. we need our tree
42. “tree” SP <length> NUL <mode> <name> NUL <sha>
52. does git work yet? now we have a tree!
56. NOPE!
57. still need the commit
58. “commit” SP <length> NUL “tree <sha>” LF “author <name> <timestamp>” LF “committer <name> <timestamp>” LF LF “<message>” LF
67. lol typo
69. does git work now?!? ok, we have our objects
73. NOPE!
74. what gives?
75. AKA Let’s glue it all together that pesky reflog
79. That’s it!
85. git is really simple
86. and extremely flexible
87. go build your own workflow!
88. and don’t be scared to look under the hood
89. Thanks!
90. github.com/jssjr @scott_sanders