To add this repository to your computer, do:


wget -qO- https://apt.bcachefs.org/apt.bcachefs.org.asc | sudo tee /etc/apt/trusted.gpg.d/apt.bcachefs.org.asc
# Fingerprint: EA483B991020C72A8A5035ADA0620B5E0E01C1DD
sudo cat > "/etc/apt/sources.list.d/apt.bcachefs.org.sources" <<EOS
Types: deb deb-src
URIs: https://apt.bcachefs.org/unstable/
# Or replace unstable with your distro's release name
Suites: bcachefs-tools-snapshot
# or:
# Suites: bcachefs-tools-release
Components: main
Signed-By: /etc/apt/trusted.gpg.d/apt.bcachefs.org.asc
EOS
sudo apt update
sudo apt install bcachefs-tools


Or you can use add-apt-repository tool:


sudo add-apt-repository "deb https://apt.bcachefs.org/unstable bcachefs-tools-snapshot main"



For more information, see:
https://wiki.debian.org/DebianRepository/UseThirdParty

Source, Debian tarballs and dsc files can be verified using https://github.com/sigstore/rekor.