Large_Scale_Repos_and_Branches

Large Scale Repos and Branches

Managing massive repositories.

📊 Monorepo Challenges

graph TD
    A[Large Monorepo] --> B[Slow Clone]
    A --> C[Slow Checkout]
    A --> D[Complex Dependencies]
    A --> E[Many Contributors]

⚡ Faster Clone

Shallow Clone

git clone --depth 1 repo.git

Only latest commit.

Single Branch Clone

git clone --single-branch -b main repo.git

Only clone main branch.

Blobless Clone

git clone --filter=blob:none repo.git

Downloads structure without file contents. Fetches on demand.

Treeless Clone

git clone --filter=tree:0 repo.git

Most minimal clone. Fetches trees on demand.

📁 Sparse Checkout

Enable Sparse Checkout

git sparse-checkout init

Enables sparse checkout mode.

Set Paths to Include

git sparse-checkout set src/my-service shared/utils

Only checkout these paths.

Add More Paths

git sparse-checkout add tests/my-service

Adds more paths.

List Current Patterns

git sparse-checkout list

Shows what's included.

Disable Sparse Checkout

git sparse-checkout disable

Returns to full checkout.

📦 Git LFS

Install LFS

git lfs install

Sets up LFS in repo.

Track Large Files

git lfs track "*.psd"

Tracks Photoshop files.

git lfs track "*.zip"

Tracks zip files.

View Tracked Patterns

cat .gitattributes

Shows LFS patterns.

List LFS Files

git lfs ls-files

Shows files in LFS.

🌿 Branch Management

List Remote Branches

git branch -r

Shows all remote branches.

Delete Merged Branches

git branch --merged main | grep -v main | xargs git branch -d

Cleans up merged branches.

Prune Stale References

git remote prune origin

Removes deleted remote branches.

📊 Repository Size

Check Size

git count-objects -vH

Shows repo size.

Find Large Files

git rev-list --objects --all | git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize) %(rest)' | sort -k3 -n -r | head -20

Lists 20 largest files.

⚙️ Performance Config

Enable Commit Graph

git config --global core.commitGraph true

Speeds up history operations.

Fast Status

git config --global core.untrackedCache true

Caches untracked files.

Enable Multi-pack Index

git config --global core.multiPackIndex true

Faster pack operations.

💡 Tips

🔗 Related

• FAANG Workflow
• Collaboration

#git #monorepo #largescale #performance