how to reverse commit code example

Example 1: git undo commit

# Uncommit the changes
git reset --soft HEAD~1

# Completely delete the changes
git reset --hard HEAD~1

Example 2: how to revert a commit

git reset --soft HEAD@{1} # delete the last commit keeping the changes
git reset --hard HEAD@{1} # delete the last commit removing the changes

git push --force origin master # delete the last commit also on remote branch

Example 3: how to undo a commit

$ git reset --soft HEAD~1