git revert last commit not pushed code example

Example 1: cancel a commit not pushed

git reset --soft HEAD~

Example 2: git undo pushed commit

git reset <previous label or sha1>
git commit -am "commit message"
git push -f <remote-name> <branch-name>  //  git push -f origin master

Example 3: git how to undo a pushed commit

git revert <commit_hash>