$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ffi.git /var/lib/mock/f33-build-587630-66783/root/chroot_tmpdir/scmroot/rubygem-ffi
Cloning into '/var/lib/mock/f33-build-587630-66783/root/chroot_tmpdir/scmroot/rubygem-ffi'...
$ git reset --hard a435e6bcebaa837de39ea64e9c1c77a07a63d8c3
HEAD is now at a435e6b - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild