Git Hacks

Clear Git History

1. Checkout
   git checkout --orphan latest_branch
2. Add all the files
   git add -A
3. Commit the changes
   git commit -am "commit message"
4. Delete the branch
   git branch -D main
5. Rename the current branch to main
   git branch -m main
6. Finally, force update your repository
   git push -f origin main

rebase

• git - How do I squash my last N commits together? - Stack Overflow
  commit message was set after operation.

Merge VS Rebase

• Merge the incoming changes into the current branch: select this option to perform merge during the update. This is equivalent to running git fetch and then git merge, or git pull --no-rebase.
• Rebase the current branch on top of the incoming changes: select this option to perform rebase during the update. This is equivalent to running git fetch and then git rebase, or git pull --rebase (all local commits will be put on top of the updated upstream head).

Pretty Print

git ls-tree --full-tree --name-only -r HEAD  
git log --all --decorate --oneline --graph

Sparse Checkout

Used in mono repo.

Reduce your working tree to a subset of tracked files

git clone \
  --depth 1  \
  --filter=blob:none  \
  --sparse \
  https://github.com/cirosantilli/test-git-partial-clone

git sparse-checkout set --cone
git sparse-checkout set path/to/dir

• Bring your monorepo down to size with sparse-checkout | The GitHub Blog

Global .gitignore

git config --global core.excludesfile ~/.gitignore