Undo git commit before push code example

Example 1: git remove commit before push

# Removes latest commit from the stash, KEEPS changes
git reset --soft HEAD~

# Removes latest commit from the stash, DELETES changes
git reset --hard HEAD~

Example 2: cancel a commit not pushed

git reset --soft HEAD~

Example 3: undo commit git before push

git reset HEAD~

Example 4: undo git commit after push

git reset <hash> # Run this then merge, commit, and push