Click "Rebase" button in the Gerrit UI under your patch set.

1. git review -d $PARENT_CHANGE_NUMBER
2. git review -x $BROKEN_CHANGE_NUMBER
3. fix the issues
4. git add
5. git cherry-pick --continue
6. git review

1. git reflog (to find the number)
2. git reset --soft HEAD@{number}
3. git commit -C HEAD@{number}

1. create a branch
2. git checkout -b your_branch_name remotes/origin/stable/havana
3. hack hack hack
4. commit changes
5. git review stable/havana

cd /tmp
mkdir graduation
cd graduation
git clone git://git.openstack.org/openstack/oslo-incubator
git clone git://git.openstack.org/openstack/oslo-incubator oslo.io
cd oslo.io
../oslo-incubator/tools/graduate.sh io openstack/common/fileutils.py tests/unit/test_fileutils.py

# may not be necessary, but they didn't run for me
# $bindir/apply_cookiecutter.sh $new_lib
# git add .
# git commit -m "exported from oslo-incubator by graduate.sh"

1. Add missing dependencies
2. Fix broken imports
3. Make sure the tests run
4. Make sure pep8 passes
5 Syncing dependencies from the incubator

git remote add stevemart https://github.com/stevemart/oslo.io.git
git push -u stevemart master