$ git clone -n https://src.fedoraproject.org/rpms/libwacom.git /var/lib/mock/f40-build-784381-133362/root/chroot_tmpdir/scmroot/libwacom
Cloning into '/var/lib/mock/f40-build-784381-133362/root/chroot_tmpdir/scmroot/libwacom'...
$ git fetch origin 4a14b846e16029f111f3831dd442543aa751a3f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libwacom
 * [new ref]         4a14b846e16029f111f3831dd442543aa751a3f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a14b84 libwacom 2.10.0