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module Bundler
class CLI::Exec
attr_reader :options, :args, :cmd
def initialize(options, args)
@options = options
@cmd = args.shift
@args = args
if RUBY_VERSION >= "2.0"
@args << { :close_others => !options.keep_file_descriptors? }
elsif options.keep_file_descriptors?
Bundler.ui.warn "Ruby version #{RUBY_VERSION} defaults to keeping non-standard file descriptors on Kernel#exec."
end
end
def run
begin
if cmd.nil?
raise ArgumentError.new
end
execute_within_path
rescue Errno::EACCES
Bundler.ui.error "bundler: not executable: #{cmd}"
exit 126
rescue Errno::ENOENT
Bundler.ui.error "bundler: command not found: #{cmd}"
Bundler.ui.warn "Install missing gem executables with `bundle install`"
exit 127
rescue ArgumentError
Bundler.ui.error "bundler: exec needs a command to run"
exit 128
end
end
private
def execute_within_path
if RUBY_VERSION >= "1.9"
path.each do |path|
bin_path = File.join(path, @cmd)
if bin_path == Bundler.which(@cmd)
Kernel.exec(build_env, bin_path, *args)
end
end
end
# fallback
Bundler.definition.validate_ruby!
Bundler.load.setup_environment
Kernel.exec(@cmd, *args)
end
def path
ENV['PATH'].split(":").map { |p| File.expand_path(p) }
end
def build_env
rubyopt = [ENV["RUBYOPT"]].compact
if rubyopt.empty? || rubyopt.first !~ /-rbundler\/setup/
rubyopt << %|-rbundler/setup|
end
rubylib = (ENV["RUBYLIB"] || "").split(File::PATH_SEPARATOR)
rubylib.unshift File.expand_path('../../..', __FILE__)
{
'RUBYOPT' => rubyopt.join(' '),
'RUBYLIB' => rubylib.uniq.join(File::PATH_SEPARATOR),
'FORCE_TTY' => 'true'
}
end
def env_string
build_env.to_a.map { |k| "#{k[0]}=#{k[1]}"}.join(" ")
end
end
end
|
