Reinstalling Sanity

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======= rbenv =======

  git clone https://github.com/rbenv/rbenv.git ~/.rbenv
  
(.bashrc/.zshrc already taken care of in .shellrc)

  git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build

<del>(may also want the rehash plugin ''rbenv-gem-rehash'')</del>  rbenv-gem-rehash has been integrated into rbenv core, woop.

Don't bother compiling the bash extension.

''~/.rbenv/bin'' is already in your ''$PATH'' because you won ''config''.

  ~/.rbenv/bin/rbenv init

Which will tell you to add this to .zshrc (should be done)

  # Load rbenv automatically by appending the following to ~/.zshrc:
  
  eval "$(rbenv init -)"

Restart your shell because ''.shellrc'' only kicks in at startup.

Ignore the eval shit, again, you won.  Check if you want to check:

  # don't pipe to zsh -- it is a bash-only script
  curl -fsSL https://github.com/rbenv/rbenv-installer/raw/master/bin/rbenv-doctor | bash

===== ruby-build =====

Prerequisites for building a ruby (needed on a pi):

  apt-get install libssl-dev libreadline-dev

  rbenv install --list
  rbenv install 2.6.2 -k # 11/19 stable

''-k'' keeps the source, which can help compiling some gems.

(Requisites: https://github.com/rbenv/ruby-build/wiki#suggested-build-environment)