class Bundler::CLI

def exec(*)
  ARGV.shift # remove "exec"
  Bundler.setup
  begin
    # Run
    Kernel.exec(*ARGV)
  rescue Errno::EACCES
    Bundler.ui.error "bundler: not executable: #{ARGV.first}"
    exit 126
  rescue Errno::ENOENT
    Bundler.ui.error "bundler: command not found: #{ARGV.first}"
    Bundler.ui.warn  "Install missing gem executables with `bundle install`"
    exit 127
  end
end