The Definitive Deep Dive into the git Folder
summary
Explores every file under .git and shows exactly how commits become zlib‑compressed objects, how commit → tree → blob links map working files, and how parent hashes produce unique IDs; demos use of git cat-file, a homemade unzipper and a visualizer called git explorer, creates a bare server, pushes branches and tags, triggers hooks, inspects reflog to recover an orphaned commit, and demonstrates that committed secrets persist until rotated and pack/gc consolidates objects.
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chapters (30)
- 0:00Welcome
- 2:09About speaker and Git
- 3:37Exploring .git folder
- 5:02Git objects and hashes
- 8:29Commit and tree objects
- 10:38Multiple commits
- 12:50Visualizing Git history
- 14:37Files in subdirectories
- 16:04Staging changes
- 17:51Committing secrets
- 21:03Removing sensitive data
- 23:43Detached HEAD state
- 25:12Branches and refs
- 26:38Creating branches
- 27:42Detached HEAD recovery
- 28:46Using Git tags
- 29:50Remote Git server
- 31:37Fetching and pushing
- 33:23Remote server objects
- 34:27Understanding reflog
- 36:17Recovering lost commits
- 37:43Git hooks automation
- 40:59Managing Git hooks
- 42:04Configuring .gitignore
- 43:29Rarely used Git features
- 44:52Git garbage collection
- 45:57How Git status works
- 48:06Customizing Git config
- 50:36Git aliases
- 51:43Summary
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