This file is indexed.

/usr/share/common-lisp/source/command-line-arguments/help.lisp is in cl-command-line-arguments 20140113-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#+xcvb (module (:depends-on ("pkgdcl")))

(in-package :command-line-arguments)

(defun split-sequence (sequence delimiter)
  (loop
     :with index = 0
     :for match = (position delimiter sequence :start index)
     :when (and match
                (not (= index match)))
     :collect (subseq sequence index match)
     :when match
     :do (setf index (1+ match))
     :unless (or match
                 (= index (length sequence)))
     :collect (subseq sequence index)
     :while match))

(defun show-option-help (specification &key (stream *standard-output*) sort-names)
  ;; TODO: be clever when trying to align stuff horizontally
  (loop :with *print-right-margin* = (max (or *print-right-margin* 0) 100)
        :for spec :in specification :do
        (destructuring-bind (names &key negation documentation negation-documentation
                                   type optional list (initial-value nil initial-value-p) &allow-other-keys) spec
          (declare (ignorable negation documentation negation-documentation type optional list))
          (unless (consp names)
            (setf names (list names)))
          (flet ((option-names (names)
                   (let ((n (mapcar 'option-name names)))
                     (if sort-names
                       (stable-sort n #'< :key #'length)
                       n))))
            (when documentation
              (format stream "~& ~32A ~8A ~@<~@;~{~A ~}~@:>"
                      (format nil "~{ ~A~}" (option-names names))
                      (string-downcase type)
                      (split-sequence documentation #\Space))
              (format stream "~:[~*~; (default: ~S)~]~%" initial-value-p initial-value))
            (when negation-documentation
              (format stream " ~32A ~8A ~@<~@;~{~A ~}~@:>~%"
                      (format nil "~{ ~A~}" (option-names (make-negated-names names negation)))
                      (string-downcase type)
                      (split-sequence negation-documentation #\Space)))))))