$ git clone -n https://src.fedoraproject.org/rpms/util-linux.git /var/lib/mock/f40-build-771050-125911/root/chroot_tmpdir/scmroot/util-linux
Cloning into '/var/lib/mock/f40-build-771050-125911/root/chroot_tmpdir/scmroot/util-linux'...
$ git fetch origin 302188f83333a90b9a79183f8a22c2132012654d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/util-linux
 * [new ref]         302188f83333a90b9a79183f8a22c2132012654d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 302188f fix date typo, remove obsolete patch