$ git clone -n https://src.fedoraproject.org/rpms/celt071.git /var/lib/mock/f31-build-56697-28243/root/chroot_tmpdir/scmroot/celt071
Cloning into '/var/lib/mock/f31-build-56697-28243/root/chroot_tmpdir/scmroot/celt071'...
$ git reset --hard 79c10ce0b73723f20be6cc1a15b27c66f6b1fb42
HEAD is now at 79c10ce - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild