$ git clone -n https://src.fedoraproject.org/rpms/ocaml-obuild.git /var/lib/mock/f31-build-47031-26762/root/chroot_tmpdir/scmroot/ocaml-obuild
Cloning into '/var/lib/mock/f31-build-47031-26762/root/chroot_tmpdir/scmroot/ocaml-obuild'...
$ git reset --hard 54c6d6d9263c1fac5cd8b46421d51aea5545c212
HEAD is now at 54c6d6d - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild