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require 'pathname'
module Rails
module AppRailsLoader
RUBY = File.join(*RbConfig::CONFIG.values_at("bindir", "ruby_install_name")) + RbConfig::CONFIG["EXEEXT"]
EXECUTABLES = ['bin/rails', 'script/rails']
def self.exec_app_rails
cwd = Dir.pwd
exe = find_executable
exe ||= find_executable_in_parent_path
return unless exe
if File.read(exe) =~ /(APP|ENGINE)_PATH/
# This is a Rails-generated binstub, let's use it
exec RUBY, exe, *ARGV if find_executable
Dir.chdir("..") do
# Recurse in a chdir block: if the search fails we want to be sure
# the application is generated in the original working directory.
exec_app_rails unless cwd == Dir.pwd
end
elsif exe.match(%r(bin/rails$))
# this is a Bundler binstub, so we load the app ourselves
Object.const_set(:APP_PATH, File.expand_path('config/application', Dir.pwd))
require File.expand_path('../boot', APP_PATH)
puts "Rails 4 no longer supports Bundler's --binstubs option. You " \
"will need to disable it and update your bin/rails file.\n" \
"Please run: `bundle config --delete bin && rm -rf bin`, then " \
"`rake rails:update:bin` and add the resulting bin/ to git."
require 'rails/commands'
end
rescue SystemCallError
# could not chdir, no problem just return
end
def self.find_executable
EXECUTABLES.find { |exe| File.exists?(exe) }
end
def self.find_executable_in_parent_path(path = Pathname.new(Dir.pwd).parent)
EXECUTABLES.find do |exe|
File.exists?(exe) || !path.root? && find_executable_in_parent_path(path.parent)
end
end
end
end
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