$ git clone -n https://src.fedoraproject.org/rpms/opam.git /var/lib/mock/f33-build-346227-59399/root/chroot_tmpdir/scmroot/opam
Cloning into '/var/lib/mock/f33-build-346227-59399/root/chroot_tmpdir/scmroot/opam'...
$ git reset --hard 8cf934be697f6448f0585f0bbed4e029fda65bdc
HEAD is now at 8cf934b Bump release and rebuild.