Run build sequence for Sage based WordPress theme from theme dir.

themeup.sh

#!/bin/bash

# Initiating Digimix theme setup
echo "Initiating Digimix theme setup"

# install node modules
echo "install node modules"
npm install

# install bower components
echo "installing bower components"
bower install

# compile theme with gulp
echo "compiling theme with gulp"
gulp

echo "Digimix theme setup complete"
# Digimix theme setup complete

Put this version in your local path and run from theme directory.

$ chmod +x themeup.sh
$ mv themeup.sh /usr/local/bin/themeup.sh

then from the theme directory just enter themeup