56 lines
1.4 KiB
Ruby
56 lines
1.4 KiB
Ruby
# Core Pathname library used for traversal
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require 'pathname'
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module Middleman
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class << self
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def setup_load_paths
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@_is_setup ||= begin
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# Only look for config.rb if MM_ROOT isn't set
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if !ENV['MM_ROOT'] && (found_path = findup('config.rb'))
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ENV['MM_ROOT'] = found_path
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end
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# If we've found the root, try to setup Bundler
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if ENV['MM_ROOT']
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setup_bundler
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else
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# Automatically discover extensions in RubyGems
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require 'middleman-core/extensions'
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::Middleman.load_extensions_in_path
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end
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true
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end
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end
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private
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# Set BUNDLE_GEMFILE and run Bundler setup. Raises an exception if there is no Gemfile
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def setup_bundler
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ENV['BUNDLE_GEMFILE'] ||= findup('Gemfile', ENV['MM_ROOT'])
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if !File.exists?(ENV['BUNDLE_GEMFILE'])
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ENV['BUNDLE_GEMFILE'] = File.expand_path('../../../../Gemfile', __FILE__)
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end
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if File.exists?(ENV['BUNDLE_GEMFILE'])
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require 'bundler/setup'
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Bundler.require
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else
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raise "Couldn't find your Gemfile. Middleman projects require a Gemfile for specifying dependencies."
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end
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end
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# Recursive method to find a file in parent directories
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def findup(filename, cwd = Pathname.new(Dir.pwd))
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return cwd.to_s if (cwd + filename).exist?
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return false if cwd.root?
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findup(filename, cwd.parent)
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end
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end
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end
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