$ git clone -n https://src.fedoraproject.org/rpms/elements-alexandria.git /var/lib/mock/f38-build-side-42-init-devel-879502-28483/root/chroot_tmpdir/scmroot/elements-alexandria
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-879502-28483/root/chroot_tmpdir/scmroot/elements-alexandria'...
$ git fetch origin f675af07ff0e9e2e19e23b32ec0f236a98f0124f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/elements-alexandria
 * [new ref]         f675af07ff0e9e2e19e23b32ec0f236a98f0124f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f675af0 Alexandria 2.28.2