1. Choose starting commit / the number of commits you want to combine
  2. You can run git log --oneline to see all commits in a short version
  3. git rebase --interative $valueFromAbove
  4. Commits will be shown in the order: Oldest First
  5. Change the word pick to s so that those commits can get squashed
  6. Next will show the editor message, enter in your new message
  7. Push your git changes


Squash the last 3 commits

git rebase --interactive HEAD~3
git push --force-with-lease

Squash all commits AFTER $commitHash till now

git rebase --interactive $commitHash

To squash everything just do…

git reset $(git commit-tree HEAD^{tree} -m "Initial commit.")