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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
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
rescue SystemCallError
# could not chdir, no problem just return
end
def self.find_executable
EXECUTABLES.find do |exe|
File.exists?(exe) && File.read(exe) =~ /(APP|ENGINE)_PATH/
end
end
def self.find_executable_in_parent_path(path = Pathname.new(Dir.pwd))
EXECUTABLES.find do |exe|
File.exists?(File.join(path, exe)) || !path.root? && find_executable_in_parent_path(path.parent)
end
end
end
end
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