$ git clone -n https://src.fedoraproject.org/rpms/pysendfile.git /var/lib/mock/f31-build-98802-33090/root/chroot_tmpdir/scmroot/pysendfile
Cloning into '/var/lib/mock/f31-build-98802-33090/root/chroot_tmpdir/scmroot/pysendfile'...
$ git reset --hard f55ad7c11d8b10c7ce4a0d08b9caf68a4bf1c074
HEAD is now at f55ad7c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild