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site_github_munger.rb
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site_github_munger.rb
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require "jekyll"
require "uri"
module Jekyll
module GitHubMetadata
class SiteGitHubMunger
extend Forwardable
def_delegators :"Jekyll::GitHubMetadata", :site
private def_delegator :"Jekyll::GitHubMetadata", :repository
def initialize(site)
Jekyll::GitHubMetadata.site = site
end
def munge!
Jekyll::GitHubMetadata.log :debug, "Initializing..."
# This is the good stuff.
site.config["github"] = github_namespace
add_title_and_description_fallbacks!
add_url_and_baseurl_fallbacks! if should_add_url_fallbacks?
end
private
def github_namespace
case site.config["github"]
when nil
drop
when Hash
Jekyll::Utils.deep_merge_hashes(site.config["github"], drop)
else
site.config["github"]
end
end
def drop
@drop ||= MetadataDrop.new(GitHubMetadata.site)
end
# Set `site.url` and `site.baseurl` if unset.
def add_url_and_baseurl_fallbacks!
site.config["url"] ||= Value.new("url", proc { |_c, r| r.url_without_path })
return unless should_set_baseurl?
site.config["baseurl"] = Value.new("baseurl", proc { |_c, r| r.baseurl })
end
# Set the baseurl only if it is `nil` or `/`
# Baseurls should never be "/". See http://bit.ly/2s1Srid
def should_set_baseurl?
site.config["baseurl"].nil? || site.config["baseurl"] == "/"
end
def add_title_and_description_fallbacks!
site.config["title"] ||= Value.new("title", proc { |_c, r| r.name })
site.config["description"] ||= Value.new("description", proc { |_c, r| r.tagline })
end
def should_add_url_fallbacks?
Jekyll.env == "production" || Pages.page_build?
end
end
end
end
Jekyll::Hooks.register :site, :after_init do |site|
Jekyll::GitHubMetadata::SiteGitHubMunger.new(site).munge! unless Jekyll.env == "test"
end