CppUG – Git Object Database
C++ User Group Karlsruhe | 7. Info-Treff, 12.07.2017 | https://www.meetup.com/de-DE/C-User-G...
Vortragender: Christoph Häfner
Website: https://christophhaefner.de/
Twitter: @chr1shaefn3r | / chr1shaefn3r
0:00:00 Welcome
0:00:35 Topic Clarification
0:01:48 Plumbing vs. Porcelaine
0:02:34 Xkcd
0:03:04 Core Principle
0:04:43 Git Objects
0:06:28 Git Object - Blob
0:06:52 Start of Live-Gitting
0:08:32 git/objects/
0:11:21 Git Object - Tree
0:16:14 First core properties of Git explained
0:19:35 Checkout Tree Object
0:20:30 Git Object - Commit
0:22:08 First Commit (created with Porcelaine Command)
0:24:52 .git/refs/
0:26:15 HEAD
0:27:09 More commits
0:28:08 Git Object - Tag
0:33:45 But whait, where does Git save the Diffs?!?!
0:35:50 Git beeing smart about when to write objects to disk
0:37:45 End of structured presentation, open up to the audience
0:37:52 Stop commit mid-air
0:39:05 From the audience: Mess with tree objects to create recursion
0:40:00 yield: Why doesn't git save empty folders
0:41:08 continue with recursive tree objects
0:47:30 First attempt defended by git
0:49:25 Second attempt, by maliciously editing existing tree object
0:55:35 Finally figured 'xxd' out
1:04:45 Detached HEAD
1:16:15 git gc
1:16:50 git packs
1:22:20 git gc options (aggressive, force, prune)
1:24:55 From the audience: What happens with an octo merge
1:36:06 From the audience: Question about the structure of the tree object
1:37:06 From the audience: Malicious file names
1:37:53 From the audience: Second origin is possible!
1:38:40 From the audience: git add and git reset HEAD
1:39:40 From the audience: Where is stagging stored?
1:40:50 From the audience: Trying to get rid of unused blob object
1:41:56 From the audience: But what about git stash?
1:49:00 git fsck - Dangling object
1:50:00 From the audience: Dangling tree not reported?!?
1:51:00 From the audience: Try git fsck options
1:57:30 From the audience: Try git gc
1:58:45 Finishing slides
Vortragender:
Christoph Häfner | 12.07.2017
Vorlesungsaufzeichnung: KIT | WEBCAST
http://webcast.kit.edu
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