{"buster": {"arm64": "base-files_10.3+deb10u13_arm64.deb", "armhf": "base-files_10.3+deb10u13_armhf.deb", "amd64": "base-files_10.3+deb10u13_amd64.deb"}, "bullseye ...

It is mainly a shell wrapper around dpkg-buildpackage, using a configurable Docker image to install build dependencies in and build packages. Resulting .deb files and other build artifacts are moved ...