simple script to install golang for Linux Debian or Ubuntu

install_go_linux.sh

#!/bin/sh

install_go_linux()
{
        sudo add-apt-repository ppa:longsleep/golang-backports
        sudo apt update
        sudo apt install -y golang-go
        ret=$?
        if [ $ret -eq 0 ]; then
                go version
        else
                echo "Fail to install golang, please check your environment (exit code=$ret)"
        fi
        return $ret
}


main()
{
        which lsb_release
        if [ $? -ne 0 ]; then
                echo "unknown operation system for this install script."
                return 1
        fi

        lsb_codename=`lsb_release -i -s`

        case $lsb_codename in
        Debian|Ubuntu)
                install_go_linux
                return $?
        ;;
        *)
                echo "The script is not tested with $lsb_codename"
        ;;
        esac
        return 1
}

main $@
exit $?