bits/ruby.bits at master · capbash/bits · GitHub

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#!/bin/bash

#-----------
# VARIABLES
#-----------

RUBY_VERSION=${RUBY_VERSION-2.5.3}
RUBY_MODE=${RUBY_MODE-bin}
LINUX_DISTRIBUTION=${LINUX_DISTRIBUTION-$(lsb_release -cs)}

#-----------
# HELPERS
#-----------

set_env()
{
  KEY=$1
  VAL=$2
  echo "export $KEY=$VAL" >> $HOME/.bash_aliases
}

#-----------
# INSTALLER
#-----------

case $LINUX_DISTRIBUTION in
trusty)
  LINUX_VERSION="14.04"
  ;;
xenial)
  LINUX_VERSION="16.04"
  ;;
bionic)
  LINUX_VERSION="18.04"
  ;;
*)
  LINUX_VERSION="14.04"
  ;;
esac


if [[ "$RUBY_MODE" == "source" ]]; then

  RUBYMM_VERSION=$(echo "$RUBY_VERSION" | sed "s/^\(.*\)\..*$/\1/")

  (mkdir -p /opt/ruby && \
   cd /opt/ruby && \
   apt-get update && \
   apt-get install -y wget g++ build-essential zlibc zlib1g zlib1g-dev \
    bison openssl libreadline6 libreadline6-dev libssl-dev libyaml-dev \
    libsqlite3-0 libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev && \
   wget https://cache.ruby-lang.org/pub/ruby/${RUBYMM_VERSION}/ruby-${RUBY_VERSION}.tar.gz && \
   tar zxf ruby-${RUBY_VERSION}.tar.gz && \
   cd /opt/ruby/ruby-${RUBY_VERSION} && \
   ./configure && \
   make && \
   make install)

else

  (mkdir -p /opt/ruby && \
   cd /opt/ruby && \
   apt-get update && \
   apt-get install -y wget g++ build-essential && \
   wget http://rubies.travis-ci.org/ubuntu/${LINUX_VERSION}/x86_64/ruby-${RUBY_VERSION}.tar.bz2 && \
   tar xfj ruby-${RUBY_VERSION}.tar.bz2)
fi

set_env PATH "/opt/ruby/ruby-${RUBY_VERSION}/bin:\$PATH"
source $HOME/.bash_aliases