At least in our SGE cluster, the qstat command does not recognize the quotes around -u $USER. After removing the quotes, we are now able to submit jobs from a different host that has no access to the SGE programs (qsub/qstat).
Coverage remained the same at 87.506% when pulling daf971de89c55a60a6900faaa11adde32ef694c5 on gluque:master into da3988edd1589506562ae0c633d2a04f38cc5172 on mllg:master.
It is working with and without quotes on the Slurm systems I have access to. I've removed the quotes, keep the fingers crossed that this does not break other systems.
At least in our SGE cluster, the qstat command does not recognize the quotes around -u $USER. After removing the quotes, we are now able to submit jobs from a different host that has no access to the SGE programs (qsub/qstat).