$ git clone -n https://src.fedoraproject.org/rpms/hcloud.git /var/lib/mock/f39-build-1793615-41753/root/chroot_tmpdir/scmroot/hcloud
Cloning into '/var/lib/mock/f39-build-1793615-41753/root/chroot_tmpdir/scmroot/hcloud'...
$ git fetch origin e5af294ea6e0ccfc2b8303160d42a5908c0444ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hcloud
 * [new ref]         e5af294ea6e0ccfc2b8303160d42a5908c0444ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5af294 Update packit config for builds/bodhi