$ git clone -n https://src.fedoraproject.org/rpms/synthv1.git /var/lib/mock/f31-build-54475-28008/root/chroot_tmpdir/scmroot/synthv1
Cloning into '/var/lib/mock/f31-build-54475-28008/root/chroot_tmpdir/scmroot/synthv1'...
$ git reset --hard 7b14ae3da4b21713711dbd9b26a7f86648507750
HEAD is now at 7b14ae3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild