$ git clone -n https://src.fedoraproject.org/rpms/pciutils.git /var/lib/mock/f42-build-867577-175640/root/chroot_tmpdir/scmroot/pciutils
Cloning into '/var/lib/mock/f42-build-867577-175640/root/chroot_tmpdir/scmroot/pciutils'...
$ git fetch origin 5e2cc24d61e1a79502f726c0b3dac6090566a9c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pciutils
 * [new ref]         5e2cc24d61e1a79502f726c0b3dac6090566a9c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e2cc24 Rebuilt for the bin-sbin merge (2nd attempt)