clever_jekyll_build.sh

#!/usr/bin/env bash

safeCheck () {
    if [ $1 -ne 0 ]; then
        echo "An error occured during Jekyll build :-( Exiting..."
        exit 1
    fi
}

executeCommand () {
    echo "Executing command: $1"
    eval $1
    safeCheck $?
}

echo "Running Jekyll build..."
# Check that Ruby is installed...
executeCommand "ruby -v"

# Use local folder to store gems and add binaries to path
export GEM_HOME=$HOME/gems
export PATH=$HOME/gems/bin:$PATH
export JEKYLL_ENV=production

# Install Bundler
executeCommand "gem install bundler -v 1.17.3"
# Install Jekyll
executeCommand "gem install jekyll -v 3.8.5"
# Install dependencies
executeCommand "bundle install"
# Running build
executeCommand "bundle exec jekyll build"

echo "Jekyll build done!"
exit 0