$ git clone -n https://src.fedoraproject.org/rpms/highway.git /var/lib/mock/f38-build-side-42-init-devel-1217498-30637/root/chroot_tmpdir/scmroot/highway
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1217498-30637/root/chroot_tmpdir/scmroot/highway'...
$ git fetch origin ebc4add58bb3eee0965c3d1bff5eb2882bb60615:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/highway
 * [new ref]         ebc4add58bb3eee0965c3d1bff5eb2882bb60615 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebc4add Update to version 1.0.5; Fixes RHBZ#2224097