$ git clone -n https://gitee.com/DoMouse/util-linux.git /var/lib/mock/dist-an7_9-updates-build-273053-64183/root/chroot_tmpdir/scmroot/util-linux
Cloning into '/var/lib/mock/dist-an7_9-updates-build-273053-64183/root/chroot_tmpdir/scmroot/util-linux'...
$ git fetch origin e4e8efd11585208e63fc4cb39f238f8a21e57c8e:KOJI_FETCH_HEAD
From https://gitee.com/DoMouse/util-linux
 * [new ref]         e4e8efd11585208e63fc4cb39f238f8a21e57c8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4e8efd util-linux : add 'lazytime' vfs-option to mount.