build.sh

#!/usr/bin/env bash
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RUBY=${RUBY:-ruby}
GEM=${GEM:-gem}

set -e
cd "$(dirname ${BASH_SOURCE[0]})"

DIR="`pwd`"

# We need at least bundler to proceed
if [ "`command -v bundle`" == "" ]; then
    RUBYGEM_BINDIR=""

    # Adjust the PATH to discover locally installed ruby gem binaries
    export PATH="$(${RUBY} -e 'puts Gem.user_dir')/bin:$PATH"

    if [ "`command -v bundle`" == "" ]; then
        echo "WARN: Could not find bundle."
        echo "Attempting to install locally. If this doesn't work, please install with 'gem install bundler'."

        # install bundler locally
        ${GEM} install --user-install --no-format-executable bundler
    fi
fi

# Install Ruby dependencies locally
bundle install --full-index --path .rubydeps

DOCS_SRC=${DIR}
DOCS_DST=${DOCS_SRC}/content

# default jekyll command is to just build site
JEKYLL_CMD="build"

# if -p flag is provided, serve site on localhost
while getopts ":p" opt; do
    case $opt in
        p)
        JEKYLL_CMD="serve --baseurl= --watch --trace --incremental"
    esac
done

# use 'bundle exec' to insert the local Ruby dependencies
bundle exec jekyll ${JEKYLL_CMD} --source "${DOCS_SRC}" --destination "${DOCS_DST}"