Julia Linux Installer

install-julia.sh

#!/bin/bash

typeset -A julia
# specify major.minor version
# just grabs most recent patch of non-rc/alpha/beta version (if available)
julia[1.0]='julia julia1 julia10'
julia[0.7]='julia0 julia07'
julia[0.6]='julia06'

rm -rf julia-bins
for ver in "${!julia[@]}"; do
  tag=$(git ls-remote --tags https://github.com/JuliaLang/julia.git | awk -F"tags/v" '{print $2}' | grep -v '-' | grep $ver | tail -n 1)
  if [ "$tag" != "" ]; then
    dlink="https://julialang-s3.julialang.org/bin/linux/x64/${ver}/julia-${tag}-linux-x86_64.tar.gz"
    printf "Installing Julia v$tag from \n $dlink \n"
    mkdir -p julia-bins
    (cd julia-bins && \
     mkdir -p julia-${tag} && \
     wget -q -O - ${dlink} | tar xzf - -C julia-${tag} --strip-components 1)
    for jalias in ${julia[$ver]}; do
      printf "Creating alias $jalias for version $tag \n"
      sudo ln -sf ${PWD}/julia-bins/julia-${tag}/bin/julia /usr/local/bin/${jalias}
    done
  fi
done