Many committers have a special area of responsibility. These roles are called hats. These hats can be either project roles, such as public relations officer, or maintainer for a certain area of the code. Because this is a project where people give voluntarily of their spare time, people with assigned hats are not always available. They must therefore appoint a deputy that can perform the hat's role in his or hetheir absence. The other option is to have the role held by a group.
his or hetheir absence. The other option is to have the role held by a group.