$ git clone -n https://src.fedoraproject.org/rpms/perl-Image-Sane.git /var/lib/mock/f29-build-4563-1065/root/thebuilddir/tmp/scmroot/perl-Image-Sane
Cloning into '/var/lib/mock/f29-build-4563-1065/root/thebuilddir/tmp/scmroot/perl-Image-Sane'...
$ git reset --hard 6b1dcccc29d631992819ad2230d504c83350f9c5
HEAD is now at 6b1dccc - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild