$ git clone -n https://src.fedoraproject.org/rpms/ocaml-calendar.git /var/lib/mock/f33-build-344838-59210/root/chroot_tmpdir/scmroot/ocaml-calendar
Cloning into '/var/lib/mock/f33-build-344838-59210/root/chroot_tmpdir/scmroot/ocaml-calendar'...
$ git reset --hard c84544c027207b7901fb0391cc9ecda711e7787f
HEAD is now at c84544c Bump release and rebuild.