Details
You accidentally committed wrong files to Git, but haven't pushed the commit to the server yet. How can you undo those commits from the local repository?
Solution
$ git commit -m "Something terribly misguided"
$ git reset HEAD~ # copied the old head to .git/ORIG_HEAD
<< edit files as necessary >>
$ git add ...
$ git commit -c ORIG_HEAD # will open an editor, which initially contains the log message from the old commit and allows you
