From ALT Linux Wiki
Sisyphus is a open project targeting the development and maintenance of free and open-source software repository, suitable as a basis for distributions and solutions. Sisyphus is developed by the ALT Linux Team.
Sisyphus consists of
- software repository (Sisyphus repository), including infrastructure (git.alt). Web interface is available at packages.altlinux.org.
- packages building and testing tools (hasher, gear, sisyphus_check, qa_robot, repocop etc)
- repository integrity checking and management tools (apt)
- solution-creating tools (mkimage, Alterator, Installer).
See also ohloh analysis.
Sisyphus is available for x86 and x86_64 architectures with ARMv7 (hardfloat) port being operational and ARMv5/PowerPC ports having been archived.
More conservative repositories based on Sisyphus are stable branches created on a timely basis.