This file is indexed.

/usr/bin/lilypond-invoke-editor is in lilypond 2.18.2-4.

This file is owned by root:root, with mode 0o755.

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
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
#!/usr/bin/guile -s
!#
;;;; lilypond-invoke-editor.scm -- Invoke an editor in file:line:column mode

;;;; Copyright (C) 2005--2012 Jan Nieuwenhuizen <janneke@gnu.org>

;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation, either version 3 of the License, or
;;;; (at your option) any later version.
;;;;
;;;; LilyPond is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;;; GNU General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU General Public License
;;;; along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.

;; gui debug helper
;; (define (exit x) (system "sleep 10"))

(use-modules
 (ice-9 getopt-long)
 (ice-9 regex)
 (srfi srfi-1)
 (srfi srfi-13)
 (srfi srfi-14))

(define PROGRAM-NAME "lilypond-invoke-editor")
(define TOPLEVEL-VERSION "2.18.2")
(define DATADIR "/usr/share")
(define COMPILE-TIME-PREFIX
  (format #f "~a/lilypond/~a" DATADIR TOPLEVEL-VERSION))

;; argv0 relocation -- do in wrapper?

(define LILYPOND_DATADIR
  (let* ((prefix
	  (or (getenv "LILYPOND_DATADIR")
	      (dirname  (dirname (car (command-line)))))))
    

    (if (eq? prefix (dirname DATADIR)) COMPILE-TIME-PREFIX
	(format #f "~a/share/lilypond/~a"
		prefix TOPLEVEL-VERSION))))

(define-public _ gettext)

(define (show-version port)
  (format port "~a (GNU LilyPond) ~a\n" PROGRAM-NAME TOPLEVEL-VERSION))

(define (show-help port)
  (format port (_ "Usage: lilypond-invoke-editor [textedit://]FILE:LINE:CHAR:COLUMN

Visit a file and position the cursor.

Options:
  -h, --help          show this help
  -v, --version       show version
")))

(define (parse-options args)
  (let* ((options (getopt-long args
			       '((help (single-char #\h))
				 (version (single-char #\v)))))
	 (files (cdr (assq '() options))))
    (if (assq 'help options)
	(begin
	  (show-version (current-output-port))
	  (show-help (current-output-port))
	(exit 0)))
    (if (assq 'version options)
	(begin (show-version (current-output-port)) (exit 0)))
    (show-version (current-error-port))
    files))

(define (re-sub re sub string)
  (regexp-substitute/global #f re string 'pre sub 'post))

;; FIXME: I'm going slowly but certainly mad; I really cannot find the
;; scm library function for this.
(define (unquote-uri uri)
  (re-sub "%([A-Fa-f0-9]{2})"
	  (lambda (m)
	    (string (integer->char (string->number (match:substring m 1) 16))))
	  uri))

(define (is-textedit-uri? uri)
  (string-match "^textedit:" uri))
  
  
(define (dissect-uri uri)
  (let* ((match (string-match "textedit://(.*):([^:]+):([^:]+):(.*)$" uri)))
    (if match
	(list (unquote-uri (match:substring match 1))
	      (match:substring match 2)
	      (match:substring match 3)
	      (match:substring match 4))
	(begin
	  (format (current-error-port) (_ "invalid textedit URI: ~a") uri)
	  (newline (current-error-port))
	  (format (current-error-port) (_ "expect: textedit://FILE:LINE:CHAR:COLUMN"))
	  (newline (current-error-port))
	  (exit 1)))))

(define PLATFORM
  (string->symbol
   (string-downcase
    (car (string-tokenize (vector-ref (uname) 0) char-set:letter)))))

(define (running-from-gui?)
  (let ((have-tty? (isatty? (current-input-port))))
    ;; If no TTY and not using safe, assume running from GUI.
    (not have-tty?)))

(define (run-editor uri)
  (let*
      ((command (apply get-editor-command (dissect-uri uri)))
       (status (system command)))
    (if (not (= status 0))
	(begin
	  (format (current-error-port)
		  (_ "failed to invoke editor: ~a") command)
	  (exit 1)))))

(define (run-browser uri)
  (system
   (if (getenv "BROWSER")
       (format #f "~a ~a" (getenv "BROWSER") uri)
       (format #f "firefox -remote 'OpenURL(~a,new-tab)'" uri))))


(define (strip-framework-path var)
  (define pat "lilypond/usr")
  (if (getenv var)
      (let*
	  ((val (getenv var))
	   (paths (string-split val #\:))
	   (without (remove (lambda (s) (string-contains s pat))
			    paths)))
	
	(if (not (= (length without)
		    (length paths)))
	    (setenv var (string-join without ":"))))))

(define (main args)
  (let ((files (parse-options args)))
    (if (running-from-gui?)
	(redirect-port (current-error-port)
		       (open-file (string-append
				   (or (getenv "TMP")
				       (getenv "TEMP")
				       "/tmp")
				   "/lilypond-invoke-editor.log") "a")))
    (if (not (= (length files) 1))
	(begin
	  (show-help (current-error-port))
	  (exit 2)))
    (set! %load-path (cons LILYPOND_DATADIR %load-path))

    (primitive-eval '(use-modules (scm editor)))

    (strip-framework-path "LD_LIBRARY_PATH")
    (let* ((uri (car files)))
      (if (is-textedit-uri? uri)
	  (run-editor uri)
	  (run-browser uri)))))

(main (command-line))