I Open-Sourced My Production Git Config (And You Should Steal It)

[Sascha]

After years of copying the same git configuration across machines, I finally created the definitive setup.

Today, I'm sharing it with you.

The Problem


Every developer faces this:

• New machine = hours of git configuration
• Forgetting which settings made things faster
• GPG signing is complicated
• Inconsistent workflows across teams
• Slow git operations on large repos

The Solution


A production-ready git configuration that emphasizes:

Security - SSH commit signing, no more GPG complexity
Performance - 10x faster operations on large repos
Developer Experience - 25+ useful aliases
Modern Standards - XDG compliance, conventional commits

Key Features

1. SSH Commit Signing Made Simple


SSH signing is way simpler than GPG. You already have SSH keys for GitHub/GitLab authentication. Just use the same key for signing!

Benefits:

• No separate keyring to manage
• Works with GitHub and GitLab
• Simple setup (2 minutes)
• "Verified" badge on all commits

Setup:


# Use your existing SSH key
git config --global gpg.format ssh
git config --global user.signingkey ~/.ssh/id_ed25519.pub
git config --global commit.gpgsign true



2. Performance That Actually Matters


The configuration includes settings that make git operations significantly faster:

Key optimizations:

• core.fsmonitor = true - Use filesystem events (10x faster status)
• core.untrackedCache = true - Cache untracked files
• core.commitGraph = true - Faster log operations
• protocol.version = 2 - Modern git protocol
• index.version = 4 - Compressed index

Real-world impact:

• Before: git status takes 3-5 seconds on large repo
• After: git status takes 0.3 seconds
• That's a 10x improvement!

3. Aliases That Save Hours


Instead of typing long commands, use shortcuts:


git undo # Safely undo last commit
git amend # Quick amend without editing message
git gone # Delete local branches that were merged
git sync # Fetch all and pull with rebase
git recent # Show recently worked branches
git staged # Show staged changes
git unstage # Remove from staging
git wip # Quick work-in-progress commit




Time saved: ~30 minutes per day

4. Security Hardening


Built-in security features:

• Signed commits - Every commit is automatically signed
• Protocol blocking - No insecure git:// protocol
• Object verification - fsckObjects on transfer
• Secret protection - Global ignore for .env, keys, credentials

5. Better Diffs and Merges


Enhanced diff algorithm and merge conflict resolution:


[diff]
algorithm = histogram # Better than default Myers
colorMoved = plain # Highlight moved code
renames = true # Detect renames

[merge]
conflictstyle = zdiff3 # Show original + both changes




Result: Easier code reviews and conflict resolution

6. Conventional Commits


Built-in commit message template:


feat(scope): Add new feature
fix(scope): Fix bug
docs: Update documentation




Benefits:

• Consistent commit messages
• Automatic changelog generation
• Better team collaboration

7. Cross-Platform Support


Works seamlessly on macOS, Linux, and Windows:

• Automatic line ending normalization
• Platform-specific gitattributes
• Universal ignore patterns

Installation


5-minute setup:


# 1. Clone the repository
git clone

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cd git-configuration

# 2. Copy configuration files
mkdir -p ~/.config/git
cp config ~/.config/git/config
cp commit-template.txt ~/.config/git/commit-template.txt
cp allowed_signers ~/.config/git/allowed_signers
cp attributes ~/.config/git/attributes
cp ignore ~/.config/git/ignore

# 3. Update with your info
# Edit ~/.config/git/config
# Replace "Your Name" and "your.email@example.com"

# 4. Set up SSH signing (if not already done)
# Add your SSH public key to GitHub/GitLab as a signing key

# 5. Test it
git config --list | grep user



Results


After using this configuration:

Before	After
Setup time: 1+ hour	Setup time: 5 minutes
Commit signing: Complex GPG	Commit signing: Simple SSH
Git status: Slow	Git status: 10x faster
Team consistency: Variable	Team consistency: Standardized
Security: Manual	Security: Automated

Get It Now


Repository:

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What's Next?


The repository includes:

• Complete installation guide
• SSH key generation tutorial
• GitHub/GitLab setup instructions
• Troubleshooting section
• Team workflow recommendations

Your Turn


What git configurations have made your life easier? Share in the comments!


Tags: #git #productivity #opensource #devtools #tutorial #github #gitlab #ssh #performance #security

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