asdf ruby install

install.sh

# clone asdf
git clone https://github.com/asdf-vm/asdf.git ~/.asdf --branch v0.7.5

# Add asdf to bash
echo -e '\n. $HOME/.asdf/asdf.sh' >> ~/.bashrc
echo -e '\n. $HOME/.asdf/completions/asdf.bash' >> ~/.bashrc

#install dependencies
sudo apt install \
  automake autoconf libreadline-dev \
  libncurses-dev libssl-dev libyaml-dev \
  libxslt-dev libffi-dev libtool unixodbc-dev \
  unzip curl

# install ruby plugin
asdf plugin-add ruby https://github.com/asdf-vm/asdf-ruby.git
asdf install ruby 2.6.4
asdf global ruby 2.6.4