$ git clone -n https://src.fedoraproject.org/rpms/sane-airscan.git /var/lib/mock/f39-build-1493217-34538/root/chroot_tmpdir/scmroot/sane-airscan
Cloning into '/var/lib/mock/f39-build-1493217-34538/root/chroot_tmpdir/scmroot/sane-airscan'...
$ git fetch origin 440b4c19a27fd8ff51f1c1c4d9aeff42652ccc0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sane-airscan
 * [new ref]         440b4c19a27fd8ff51f1c1c4d9aeff42652ccc0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 440b4c1 Update SPDX license