$ git clone -n https://src.fedoraproject.org/rpms/hwdata.git /var/lib/mock/f40-build-2236904-53526/root/chroot_tmpdir/scmroot/hwdata
Cloning into '/var/lib/mock/f40-build-2236904-53526/root/chroot_tmpdir/scmroot/hwdata'...
$ git fetch origin 864181533347caab0b8b0ae7c72454edb4fce7b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hwdata
 * [new ref]         864181533347caab0b8b0ae7c72454edb4fce7b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8641815 New upstream version 0.378