$ git clone -n https://src.fedoraproject.org/rpms/plasma-nm.git /var/lib/mock/f40-build-2255790-54265/root/chroot_tmpdir/scmroot/plasma-nm
Cloning into '/var/lib/mock/f40-build-2255790-54265/root/chroot_tmpdir/scmroot/plasma-nm'...
$ git fetch origin 4f5551f496ceb69fb3b82f6f660682b12db25e4d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nm
 * [new ref]         4f5551f496ceb69fb3b82f6f660682b12db25e4d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f5551f 5.92.0