Script to maintain dontet core SDK with the current latest LTS versions

dotnet-upgrade-sdks.sh

#!/bin/sh

# Get the MSFT uninstall script from GitHub:
#
# curl -sSL https://raw.githubusercontent.com/dotnet/cli/master/scripts/obtain/uninstall/dotnet-uninstall-pkgs.sh | sudo tee /usr/local/bin/dotnet-uninstall-pkgs > /dev/null
# sudo chmod +x /usr/local/bin/dotnet-uninstall-pkgs
#
uninstall_cmd=dotnet-uninstall-pkgs

# MSFT install script documented on docs.microsoft.com
# https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-install-script
#
# curl -sSL https://dot.net/v1/dotnet-install.sh | sudo tee /usr/local/bin/dotnet-install > /dev/null
# chmod +x /usr/local/bin/dotnet-install
#
install_cmd=dotnet-install

# also set within dotnet-uninstall-pkgs.sh
dotnet_install_root="/usr/local/share/dotnet" 
dotnet_path_file="/etc/paths.d/dotnet"
dotnet_tool_path_file="/etc/paths.d/dotnet-cli-tools"

current_userid=$(id -u)
if [ $current_userid -ne 0 ]; then
    echo "$(basename "$0") requires superuser privileges to run" >&2
    exit 1
fi


${uninstall_cmd}
${install_cmd} --install-dir ${dotnet_install_root} --no-path --channel 2.1 # old LTS Channel
${install_cmd} --install-dir ${dotnet_install_root} --no-path --channel LTS # current LTS Channel

echo adding dotnet and tools to path.
# created by pkg installers but not the install script
echo ${dotnet_install_root} > ${dotnet_path_file}
echo "~/.dotnet/tools" > ${dotnet_tool_path_file}
eval $(/usr/libexec/path_helper -s)

Set up.

curl -sSL https://raw.githubusercontent.com/dotnet/cli/master/scripts/obtain/uninstall/dotnet-uninstall-pkgs.sh | sudo tee /usr/local/bin/dotnet-uninstall-pkgs > /dev/null
sudo chmod +x /usr/local/bin/dotnet-uninstall-pkgs
curl -sSL https://dot.net/v1/dotnet-install.sh | sudo tee /usr/local/bin/dotnet-install > /dev/null
chmod +x /usr/local/bin/dotnet-install
curl -sSL https://gist.github.com/breiter/aef0c0acbeb24cabe0fa16c7ecfdb88c/raw/b4e9de4b20141b0a05aadd03d5842752104b1475/dotnet-upgrade-sdks.sh  | sudo tee /usr/local/bin/dotnet-upgrade-sdks > /dev/null
chmod +x  /usr/local/bin/dotnet-upgrade-sdks