$ git clone -n https://src.fedoraproject.org/rpms/opam.git /var/lib/mock/f41-build-838598-159724/root/chroot_tmpdir/scmroot/opam
Cloning into '/var/lib/mock/f41-build-838598-159724/root/chroot_tmpdir/scmroot/opam'...
$ git reset --hard f56834e3512ffb65743a9f55348229673e3d2861
HEAD is now at f56834e Version 2.2.0