Added notes reg. Fontcustom development on a Mac to CONTRIBUTING.md

CONTRIBUTING.md

@@ -16,3 +16,93 @@ If you catch a typo or a particularly unsightly piece of code — please _do_ le
 * Add your tests. Run tests with `rake`.
 * Develop your feature.
 * Once all tests are passing, submit a pull request!
+
+## On a Mac
+
+Developing Fontcustom on a Mac could involve the following steps.
+
+```sh
+# Install Homebrew
+ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
+
+# Or update Homebrew
+brew doctor
+brew update
+
+# Install Ruby
+brew install rbenv ruby-build
+echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
+source ~/.bash_profile
+rbenv install 2.0.0-p247
+rbenv rehash
+
+# Switch to using the new Ruby (global) or
+#   or
+# Switch to using the new Ruby for the current folder
+#   or
+# Switch to using the new Roby for the current shell
+rbenv global 2.0.0-p247
+#rbenv local 2.0.0-p247
+#rbenv shell 2.0.0-p247
+
+
+#
+# Alt 1. Bundler
+#
+
+# Install Bundler
+gem install bundler
+rbenv rehash
+
+# Setup Bundler
+mkdir ~/.bundle
+touch ~/.bundle/config
+echo 'BUNDLE_PATH: vendor/bundle' >> ~/.bundle/config
+
+# Bundle install Fontcustom
+bundle install
+
+# Build example fonts
+cd example/testicon
+bundle exec fontcustom compile .
+cd example/testicon-custom
+bundle exec fontcustom compile .
+
+
+#
+# Alt 2. Build & install gem
+#
+
+gem build fontcustom.gemspec
+gem install fontcustom-XXX.gem
+
+# Build example fonts
+cd example/testicon
+fontcustom compile .
+cd example/testicon-custom
+fontcuston compile .
+
+
+#
+# Test
+#
+
+# Test all
+rake
+
+# Install Rspec for testing
+# http://rspec.info
+gem install rspec
+
+# Run specific test
+rspec spec/fontcustom/generator/font_spec.rb
+
+# Pull latest changes from FontCustom/fontcustom.git
+git remote add fontcustom git@github.com:FontCustom/fontcustom.git
+git pull fontcustom master
+```
+
+Read more:
+* http://createdbypete.com/articles/ruby-on-rails-development-with-mac-os-x-mountain-lion/
+* http://guides.rubygems.org/make-your-own-gem/
+