The correct PPA naming is ppa:longsleep/golang-backports and ppa:criu/ppa without tilde character and without "/ubuntu" in the middle.
Eventually the code of the script should be modified to cater for usage with wrong-named PPAs.
The correct PPA naming is ppa:longsleep/ golang- backports and ppa:criu/ppa without tilde character and without "/ubuntu" in the middle.
Eventually the code of the script should be modified to cater for usage with wrong-named PPAs.