$ git clone -n https://src.fedoraproject.org/rpms/plasma-nm.git /var/lib/mock/f40-build-760555-121107/root/chroot_tmpdir/scmroot/plasma-nm
Cloning into '/var/lib/mock/f40-build-760555-121107/root/chroot_tmpdir/scmroot/plasma-nm'...
$ git fetch origin c9a8686bfc0b87a0bf6bc3e71206853cf52ced7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nm
 * [new ref]         c9a8686bfc0b87a0bf6bc3e71206853cf52ced7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9a8686 Capitalize cmake(Plasma)