Fork the ASF repo

$ cd quickstep

Work on a new feature

$ git checkout master

$ git checkout -b my-awesome-feature

$ git add some-changed-or-new-files

$ git commit -m "Added my awesome featureMy Awesome Feature."

// We could also squash all the commits into one here.

$ git rebase -i origin/master

$ git push origin my-awesome-feature [-f]

// Update the local fork with the new branch my-awesome-feature.

$ git fetch origin

$ git checkout master

// We may need to squash multiple commits into one.
$ git rebase -i origin/my-awesome-feature

...