$ git clone -n https://src.fedoraproject.org/rpms/util-linux.git /var/lib/mock/f40-build-2251897-54160/root/chroot_tmpdir/scmroot/util-linux
Cloning into '/var/lib/mock/f40-build-2251897-54160/root/chroot_tmpdir/scmroot/util-linux'...
$ git fetch origin a16ce36c6f06a629f9e26f56735d587d22105fa5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/util-linux
 * [new ref]         a16ce36c6f06a629f9e26f56735d587d22105fa5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a16ce36 2.39.3-2: fix util-linux-i18n conflicts