I think there is some changes in the lms-update.sh script. It is now not able install LMS 7.9.4 or 8.0.0 since they are nightly versions only.
Checking version for release status...Not a release version
Downloading update from http://downloads.slimdevices.com/Log...9.4-noCPAN.tgz
Connecting to downloads.slimdevices.com (13.227.77.120:80)
wget: server returned error: HTTP/1.1 404 Not Found
Download FAILED...... exiting!
Checking version for release status...Not a release version
Downloading update from http://downloads.slimdevices.com/Log...9.4-noCPAN.tgz
Connecting to downloads.slimdevices.com (13.227.77.120:80)
wget: server returned error: HTTP/1.1 404 Not Found
Download FAILED...... exiting!