$ git clone -n https://src.fedoraproject.org/rpms/plasma-nm.git /var/lib/mock/f40-build-2531760-61830/root/chroot_tmpdir/scmroot/plasma-nm
Cloning into '/var/lib/mock/f40-build-2531760-61830/root/chroot_tmpdir/scmroot/plasma-nm'...
$ git fetch origin 2698675158bd4cb4540fb98c1520c71e60a450e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nm
 * [new ref]         2698675158bd4cb4540fb98c1520c71e60a450e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2698675 6.0.1