First commit

.gitignore

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+/.bundle/
+/.yardoc
+/Gemfile.lock
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/

Gemfile

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+source "https://rubygems.org"
+
+# Specify your gem's dependencies in petrify.gemspec
+gemspec

README.md

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+# Petrify
+
+Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/petrify`. To experiment with that code, run `bin/console` for an interactive prompt.
+
+TODO: Delete this and the text above, and describe your gem
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+```ruby
+gem 'petrify'
+```
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install petrify
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Development
+
+After checking out the repo, run `bin/setup` to install dependencies. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+
+To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+
+## Contributing
+
+Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/petrify.

Rakefile

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+require "bundler/gem_tasks"
+task :default => :spec

bin/console

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+#!/usr/bin/env ruby
+
+require "bundler/setup"
+require "petrify"
+
+# You can add fixtures and/or initialization code here to make experimenting
+# with your gem easier. You can also use a different console, if you like.
+
+# (If you use this, don't forget to add pry to your Gemfile!)
+# require "pry"
+# Pry.start
+
+require "irb"
+IRB.start(__FILE__)

bin/setup

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+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+set -vx
+
+bundle install
+
+# Do any other automated setup that you need to do here

lib/petrify.rb

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+require 'haml'
+require 'csv'
+require 'logger'
+require "petrify/version"
+
+module Petrify
+  @@output_dir = '_site'
+  @@working_dir = File.join(Dir.pwd, @@output_dir)
+  @@views_dir = 'views'
+  @@layout_fn = File.join(@@views_dir, 'layout.haml')
+  
+  # https://stackoverflow.com/questions/917566/ruby-share-logger-instance-among-module-classes#6768164
+  @@log = Logger.new($stdout)
+  @@log.level = Logger::INFO
+
+  def self.page(path_items, template, locals = {})
+    dir = create_path(path_items)
+    fn = File.join(dir, 'index.html')
+    
+    # https://stackoverflow.com/questions/6125265/using-layouts-in-haml-files-independently-of-rails
+    html = Haml::Engine.new(File.read(@@layout_fn)).render do
+      Haml::Engine.new(File.read(File.join(@@views_dir, "#{template}.haml"))).render(Object.new, locals)
+    end
+
+    File.write(fn, html)
+    @@log.info fn
+    # TODO - add page to sitemap.xml or sitemap.txt
+    # https://support.google.com/webmasters/answer/183668?hl=en&ref_topic=4581190
+  end
+
+  def self.csv(path_items, filename, data)
+    dir = create_path(path_items)
+    fn = File.join(dir, filename + '.csv')
+    
+    csv_string = CSV.generate do |csv|
+      csv << data.first.keys # header row
+      data.each { |row| csv << row.values }
+    end
+    
+    File.write(fn, csv_string)
+    @@log.info fn
+  end
+
+  def self.setup
+    # Recursively delete working directory to ensure no redundant files are left behind from previous builds.
+    # FileUtils.rm_rf(@working_dir)
+    Dir.mkdir(@@working_dir) unless File.directory?(@@working_dir)
+    # Dir.chdir(@working_dir)
+
+    # Copy `public` dir to output dir
+    FileUtils.copy_entry('public', @@working_dir)
+  end
+
+  def self.create_path(path_items)
+    dir = File.join(@@output_dir, path_items)
+    FileUtils.mkdir_p(dir)
+    @@log.debug dir
+    dir
+  end
+end

lib/petrify/version.rb

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+module Petrify
+  VERSION = "0.1.0"
+end

petrify.gemspec

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+# coding: utf-8
+lib = File.expand_path("../lib", __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require "petrify/version"
+
+Gem::Specification.new do |spec|
+  spec.name          = "petrify"
+  spec.version       = Petrify::VERSION
+  spec.authors       = ["Adrian Short"]
+  spec.email         = []
+
+  spec.summary       = %q{A data(base)-driven static site generator with Haml templates.}
+  #spec.description   = %q{TODO: Write a longer description or delete this line.}
+  spec.homepage      = "https://github.com/adrianshort/petrify/"
+
+  # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
+  # to allow pushing to a single host or delete this section to allow pushing to any host.
+  if spec.respond_to?(:metadata)
+    spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
+  else
+    raise "RubyGems 2.0 or newer is required to protect against " \
+      "public gem pushes."
+  end
+
+  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
+    f.match(%r{^(test|spec|features)/})
+  end
+  spec.bindir        = "exe"
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "bundler", "~> 1.15"
+  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_runtime_dependency "haml"
+end