Git References and HEAD
Deep dive into Git references — branch refs, tag refs, HEAD, detached HEAD state, and symbolic references. Learn how Git tracks commits through the refs namespace.
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Git Reflog and Recovery: Your Safety Net for Destructive Operations
Master git reflog to recover lost commits, undo destructive operations, and understand Git's safety net. Learn recovery techniques for reset, rebase, and merge disasters.
Git Release Branching and Hotfixes: Managing Versions in Production
Master release branching and hotfix strategies in Git. Learn version branches, emergency fixes, backporting, and how to manage multiple production versions safely.
Git Remote Management: Adding, Removing, and Configuring Remotes
Master git remote operations — adding, removing, renaming remotes, managing multiple remotes, and configuring remote URLs for effective collaboration.
Git Secrets Management and Pre-commit Hooks
Preventing secrets from entering repositories using pre-commit hooks, secret scanning tools, and automated detection. Protect API keys, tokens, and credentials from accidental commits.
Signed Commits (GPG/SSH)
Complete guide to Git commit signing with GPG and SSH keys. Setup, verification, trust chains, and why signed commits matter for supply chain security.
Git Stash and Stash Management: Save Work Without Committing
Master git stash for saving uncommitted changes, named stashes, stash list management, and when to use stash vs commit in production workflows.
git status and git diff: Understanding Changes and Comparisons
Understanding git status output, git diff options, comparing branches, and reading diffs effectively for version control and code review.
Git Submodules and Subtrees: Managing External Dependencies
Master git submodules and subtrees for including external repositories. Learn the trade-offs, synchronization workflows, dependency management patterns, and when to use each approach.
The Three States: Working Directory, Staging Area, and Repository
Explain Git's three-state architecture with diagrams and practical examples — understand how files flow between working, staging, and committed states.