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require "rubygems"
require 'rake'
require 'yaml'
require 'time'
SOURCE = "."
CONFIG = {
'version' => "0.3.0",
'themes' => File.join(SOURCE, "_includes", "themes"),
'layouts' => File.join(SOURCE, "_layouts"),
'posts' => File.join(SOURCE, "_posts"),
'post_ext' => "md",
'theme_package_version' => "0.1.0"
}
# Path configuration helper
module JB
class Path
SOURCE = "."
Paths = {
:layouts => "_layouts",
:themes => "_includes/themes",
:theme_assets => "assets/themes",
:theme_packages => "_theme_packages",
:posts => "_posts"
}
def self.base
SOURCE
end
# build a path relative to configured path settings.
def self.build(path, opts = {})
opts[:root] ||= SOURCE
path = "#{opts[:root]}/#{Paths[path.to_sym]}/#{opts[:node]}".split("/")
path.compact!
File.__send__ :join, path
end
end #Path
end #JB
# Usage: rake post title="A Title" [date="2012-02-09"] [tags=[tag1, tag2]]
desc "Begin a new post in #{CONFIG['posts']}"
task :post do
abort("rake aborted: '#{CONFIG['posts']}' directory not found.") unless FileTest.directory?(CONFIG['posts'])
title = ENV["title"] || "new-post"
tags = ENV["tags"] || "[]"
slug = title.downcase.strip.gsub(' ', '-').gsub(/[^\w-]/, '')
begin
date = (ENV['date'] ? Time.parse(ENV['date']) : Time.now).strftime('%Y-%m-%d')
rescue => e
puts "Error - date format must be YYYY-MM-DD, please check you typed it correctly!"
exit -1
end
filename = File.join(CONFIG['posts'], "#{date}-#{slug}.#{CONFIG['post_ext']}")
if File.exist?(filename)
abort("rake aborted!") if ask("#{filename} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
end
puts "Creating new post: #{filename}"
open(filename, 'w') do |post|
post.puts "---"
post.puts "layout: post"
post.puts "title: \"#{title.gsub(/-/,' ')}\""
post.puts "date: #{date} 22:03:50"
post.puts "---"
post.puts ""
end
end # task :post
# Usage: rake page name="about.html"
# You can also specify a sub-directory path.
# If you don't specify a file extention we create an index.html at the path specified
desc "Create a new page."
task :page do
name = ENV["name"] || "new-page.md"
filename = File.join(SOURCE, "#{name}")
filename = File.join(filename, "index.html") if File.extname(filename) == ""
title = File.basename(filename, File.extname(filename)).gsub(/[\W\_]/, " ").gsub(/\b\w/){$&.upcase}
if File.exist?(filename)
abort("rake aborted!") if ask("#{filename} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
end
mkdir_p File.dirname(filename)
puts "Creating new page: #{filename}"
open(filename, 'w') do |post|
post.puts "---"
post.puts "layout: page"
post.puts "title: \"#{title}\""
post.puts 'description: ""'
post.puts "---"
post.puts "{% include JB/setup %}"
end
end # task :page
desc "Launch preview environment"
task :preview do
system "jekyll serve -w"
end # task :preview
# Public: Alias - Maintains backwards compatability for theme switching.
task :switch_theme => "theme:switch"
namespace :theme do
# Public: Switch from one theme to another for your blog.
#
# name - String, Required. name of the theme you want to switch to.
# The theme must be installed into your JB framework.
#
# Examples
#
# rake theme:switch name="the-program"
#
# Returns Success/failure messages.
desc "Switch between Jekyll-bootstrap themes."
task :switch do
theme_name = ENV["name"].to_s
theme_path = File.join(CONFIG['themes'], theme_name)
settings_file = File.join(theme_path, "settings.yml")
non_layout_files = ["settings.yml"]
abort("rake aborted: name cannot be blank") if theme_name.empty?
abort("rake aborted: '#{theme_path}' directory not found.") unless FileTest.directory?(theme_path)
abort("rake aborted: '#{CONFIG['layouts']}' directory not found.") unless FileTest.directory?(CONFIG['layouts'])
Dir.glob("#{theme_path}/*") do |filename|
next if non_layout_files.include?(File.basename(filename).downcase)
puts "Generating '#{theme_name}' layout: #{File.basename(filename)}"
open(File.join(CONFIG['layouts'], File.basename(filename)), 'w') do |page|
if File.basename(filename, ".html").downcase == "default"
page.puts "---"
page.puts File.read(settings_file) if File.exist?(settings_file)
page.puts "---"
else
page.puts "---"
page.puts "layout: default"
page.puts "---"
end
page.puts "{% include JB/setup %}"
page.puts "{% include themes/#{theme_name}/#{File.basename(filename)} %}"
end
end
puts "=> Theme successfully switched!"
puts "=> Reload your web-page to check it out =)"
end # task :switch
# Public: Install a theme using the theme packager.
# Version 0.1.0 simple 1:1 file matching.
#
# git - String, Optional path to the git repository of the theme to be installed.
# name - String, Optional name of the theme you want to install.
# Passing name requires that the theme package already exist.
#
# Examples
#
# rake theme:install git="https://github.com/jekyllbootstrap/theme-twitter.git"
# rake theme:install name="cool-theme"
#
# Returns Success/failure messages.
desc "Install theme"
task :install do
if ENV["git"]
manifest = theme_from_git_url(ENV["git"])
name = manifest["name"]
else
name = ENV["name"].to_s.downcase
end
packaged_theme_path = JB::Path.build(:theme_packages, :node => name)
abort("rake aborted!
=> ERROR: 'name' cannot be blank") if name.empty?
abort("rake aborted!
=> ERROR: '#{packaged_theme_path}' directory not found.
=> Installable themes can be added via git. You can find some here: http://github.com/jekyllbootstrap
=> To download+install run: `rake theme:install git='[PUBLIC-CLONE-URL]'`
=> example : rake theme:install git='git@github.com:jekyllbootstrap/theme-the-program.git'
") unless FileTest.directory?(packaged_theme_path)
manifest = verify_manifest(packaged_theme_path)
# Get relative paths to packaged theme files
# Exclude directories as they'll be recursively created. Exclude meta-data files.
packaged_theme_files = []
FileUtils.cd(packaged_theme_path) {
Dir.glob("**/*.*") { |f|
next if ( FileTest.directory?(f) || f =~ /^(manifest|readme|packager)/i )
packaged_theme_files << f
}
}
# Mirror each file into the framework making sure to prompt if already exists.
packaged_theme_files.each do |filename|
file_install_path = File.join(JB::Path.base, filename)
if File.exist? file_install_path and ask("#{file_install_path} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
next
else
mkdir_p File.dirname(file_install_path)
cp_r File.join(packaged_theme_path, filename), file_install_path
end
end
puts "=> #{name} theme has been installed!"
puts "=> ---"
if ask("=> Want to switch themes now?", ['y', 'n']) == 'y'
system("rake switch_theme name='#{name}'")
end
end
# Public: Package a theme using the theme packager.
# The theme must be structured using valid JB API.
# In other words packaging is essentially the reverse of installing.
#
# name - String, Required name of the theme you want to package.
#
# Examples
#
# rake theme:package name="twitter"
#
# Returns Success/failure messages.
desc "Package theme"
task :package do
name = ENV["name"].to_s.downcase
theme_path = JB::Path.build(:themes, :node => name)
asset_path = JB::Path.build(:theme_assets, :node => name)
abort("rake aborted: name cannot be blank") if name.empty?
abort("rake aborted: '#{theme_path}' directory not found.") unless FileTest.directory?(theme_path)
abort("rake aborted: '#{asset_path}' directory not found.") unless FileTest.directory?(asset_path)
## Mirror theme's template directory (_includes)
packaged_theme_path = JB::Path.build(:themes, :root => JB::Path.build(:theme_packages, :node => name))
mkdir_p packaged_theme_path
cp_r theme_path, packaged_theme_path
## Mirror theme's asset directory
packaged_theme_assets_path = JB::Path.build(:theme_assets, :root => JB::Path.build(:theme_packages, :node => name))
mkdir_p packaged_theme_assets_path
cp_r asset_path, packaged_theme_assets_path
## Log packager version
packager = {"packager" => {"version" => CONFIG["theme_package_version"].to_s } }
open(JB::Path.build(:theme_packages, :node => "#{name}/packager.yml"), "w") do |page|
page.puts packager.to_yaml
end
puts "=> '#{name}' theme is packaged and available at: #{JB::Path.build(:theme_packages, :node => name)}"
end
end # end namespace :theme
# Internal: Download and process a theme from a git url.
# Notice we don't know the name of the theme until we look it up in the manifest.
# So we'll have to change the folder name once we get the name.
#
# url - String, Required url to git repository.
#
# Returns theme manifest hash
def theme_from_git_url(url)
tmp_path = JB::Path.build(:theme_packages, :node => "_tmp")
abort("rake aborted: system call to git clone failed") if !system("git clone #{url} #{tmp_path}")
manifest = verify_manifest(tmp_path)
new_path = JB::Path.build(:theme_packages, :node => manifest["name"])
if File.exist?(new_path) && ask("=> #{new_path} theme package already exists. Override?", ['y', 'n']) == 'n'
remove_dir(tmp_path)
abort("rake aborted: '#{manifest["name"]}' already exists as theme package.")
end
remove_dir(new_path) if File.exist?(new_path)
mv(tmp_path, new_path)
manifest
end
# Internal: Process theme package manifest file.
#
# theme_path - String, Required. File path to theme package.
#
# Returns theme manifest hash
def verify_manifest(theme_path)
manifest_path = File.join(theme_path, "manifest.yml")
manifest_file = File.open( manifest_path )
abort("rake aborted: repo must contain valid manifest.yml") unless File.exist? manifest_file
manifest = YAML.load( manifest_file )
manifest_file.close
manifest
end
def ask(message, valid_options)
if valid_options
answer = get_stdin("#{message} #{valid_options.to_s.gsub(/"/, '').gsub(/, /,'/')} ") while !valid_options.include?(answer)
else
answer = get_stdin(message)
end
answer
end
def get_stdin(message)
print message
STDIN.gets.chomp
end
#Load custom rake scripts
Dir['_rake/*.rake'].each { |r| load r }