Software Heritage and Boa

Software Heritage and Boa Stefano Zacchiroli Université de Paris & Inria — [email protected], @zacchiro Envisioning Boa 2.0 workshop online conference Stefano Zacchiroli Software Heritage and Boa Boa workshop 1 / 9 Software Heritage in a nutshell www.softwareheritage.org THE GREAT LIBRARY OF SOURCE CODE Collect, preserve and share all software source code Preserving our heritage, enabling better software and better science for all Reference catalog find and reference all software source code Universal archive preserve all software source code Research infrastructure enable analysis of all software source code Stefano Zacchiroli Software Heritage and Boa Boa workshop 2 / 9 Software Heritage in a nutshell www.softwareheritage.org THE GREAT LIBRARY OF SOURCE CODE Collect, preserve and share all software source code Preserving our heritage, enabling better software and better science for all Reference catalog find and reference all software source code Universal archive preserve all software source code Research infrastructure enable analysis of all software source code Stefano Zacchiroli Software Heritage and Boa Boa workshop 2 / 9 Software Heritage in a nutshell www.softwareheritage.org THE GREAT LIBRARY OF SOURCE CODE Collect, preserve and share all software source code Preserving our heritage, enabling better software and better science for all Reference catalog find and reference all software source code Universal archive preserve all software source code Research infrastructure enable analysis of all software source code Stefano Zacchiroli Software Heritage and Boa Boa workshop 2 / 9 Software Heritage in a nutshell www.softwareheritage.org THE GREAT LIBRARY OF SOURCE CODE Collect, preserve and share all software source code Preserving our heritage, enabling better software and better science for all Reference catalog find and reference all software source code Universal archive preserve all software source code Research infrastructure enable analysis of all software source code Stefano Zacchiroli Software Heritage and Boa Boa workshop 2 / 9 An international, non profit initiative built for the long term Sharing the vision And many more ... www.softwareheritage.org/support/testimonials Donors, members, sponsors Platinum sponsors Silver sponsors Bronze sponsors Gold sponsors Stefano Zacchiroli Software Heritage and Boa Boa workshop 3 / 9 Data model Origin + url: str branches Snapshot * * Release directory Revision * ** * Merkle DAG target 1 entries parents snapshots + id: sha1 Directory entries + id: sha1 + id: sha1 + author: str + name: str + message: str + timestamp: datetime + id: sha1 + author: str + message: str + timestamp: datetime Content + id:sha1 Aglobal graph linking together fully deduplicated source code artifact (files, commits, directories, releases, etc.) to the places that distribute them (e.g., Git repositories), providing a unified view on the entire Software Commons. Stefano Zacchiroli Software Heritage and Boa Boa workshop 4 / 9 Automation, and storage dsc dsc hg hg hg git git git git svn svn svn tar zip software origins Package repos Forges GitHub lister GitLab lister Debian lister PyPi lister . . . Distros ... Scheduling Listing (full/incremental) Full development history permanently archived inauniform data model. Stefano Zacchiroli Software Heritage and Boa Boa workshop 5 / 9 Automation, and storage Git loader Mercurial loader Debian source package loader tar loader . . . Software Heritage Archive Merkle DAG + blob storage Loading & deduplication dsc dsc hg hg hg git git git git svn svn svn tar zip software origins Package repos Forges GitHub lister GitLab lister Debian lister PyPi lister . . . Distros ... Scheduling Listing (full/incremental) Full development history permanently archived inauniform data model. Stefano Zacchiroli Software Heritage and Boa Boa workshop 5 / 9