this pulls tarball of vscode (Insider version), check if newer than local, then overwrite the existing installation
mkdir -p <where you want ot install>/bin
- cd into the bin dir
wget https://gist.github.com/NightFeather/2395b7aba732675a1267f6f7f94de3b0/raw/update-vscode
chmod +x update-vscode
./update-vscode
and wait