Four configuration files are parsed to set defaults for the above commandline arguments: /etc/git-buildpackage/gbp.conf system wide configuraton ~/.gbp.conf per user configuration .gbp.conf per branch configuration, can be published with the repository debian/gbp.conf per branch configuration, can be published with the repository .git/gbp.conf per repository configuration See /etc/git-buildpackage/gbp.conf for an example.