remove last commit from local code example

Example 1: git cancel last commit

git reset --soft HEAD~1

Example 2: remove last commit git

git reset --hard HEAD^
git push origin -f

Example 3: undo most recent commit

$ git commit -m "some comment"                
$ git reset HEAD~                                          
<< edit files as necessary >>                              
$ git add ...                                              
$ git commit -c ORIG_HEAD