$ git clone -n https://src.fedoraproject.org/rpms/xed.git /var/lib/mock/f40-build-762473-122046/root/chroot_tmpdir/scmroot/xed
Cloning into '/var/lib/mock/f40-build-762473-122046/root/chroot_tmpdir/scmroot/xed'...
$ git fetch origin 471f590981e71adcf29fa1b16d53509f3a2a719c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xed
 * [new ref]         471f590981e71adcf29fa1b16d53509f3a2a719c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 471f590 fix