get-3x

#!/usr/bin/env bash
# Download and install 3X: a Workbench for eXecuting eXploratory eXperiments
# Usage: curl -s https://gist.github.com/netj/9065580/raw/get-3x | bash -s release=LATEST dest=~/bin
set -eu

# export any given definition as arguments
export "$@"

# defaults to downloading the LATEST release, installing at $HOME/bin/
: ${release:=LATEST} ${dest:=~/bin}

system=`uname -s`-`uname -m`
package=3x-$release-$system.sh

# download the correct binary from GitHub
url=https://github.com/netj/3x/releases/download/$release/$package
echo "Downloading $url"
curl -RLO $url

# make it an executable
chmod +x $package

# install it
mkdir -p $dest
mv -f $package $dest/3x

# modify bash profile to setup PATH if necessary
[ $(type -p 3x) -ef $dest/3x ] || {
    echo '# add '"$dest"' to PATH'
    echo 'PATH='"$dest"':"$PATH"'
} >>~/.bash_profile