The package has a debian/watch file, but the last attempt
to use it for checking for newer upstream versions failed with
an error:
In debian/watch no matching files for watch line https://github.com/Edrusb/DAR/releases .*[^n]/(?:|v|version-|version|release-|r|REL_|rel-|DAR(?:_|-))(\d[^\s/]*)(?i)(?:\.(?:tar\.xz|tar\.bz2|tar\.gz|zip|tgz|tbz|txz))