$ git clone -n https://src.fedoraproject.org/rpms/clamsmtp.git /var/lib/mock/f41-build-2441719-25470/root/chroot_tmpdir/scmroot/clamsmtp
Cloning into '/var/lib/mock/f41-build-2441719-25470/root/chroot_tmpdir/scmroot/clamsmtp'...
$ git fetch origin e5e2d3267602e045250095060e8057022878da8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clamsmtp
 * [new ref]         e5e2d3267602e045250095060e8057022878da8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5e2d32 convert license to SPDX