$ git clone -n https://src.fedoraproject.org/rpms/calf.git /var/lib/mock/f37-build-26051-2501/root/chroot_tmpdir/scmroot/calf
Cloning into '/var/lib/mock/f37-build-26051-2501/root/chroot_tmpdir/scmroot/calf'...
$ git reset --hard 861e2341728c0bff107f6d4802fe1da948c63eff
HEAD is now at 861e234 Fix build