~ruther/guix-local

0a5ce0d1df3befa2c4e018e84da3bd66c9eac48d — Huang Ying 9 years ago addce19
profiles: Create fonts.dir/scale for all fonts directories.

* guix/profiles.scm (fonts-dir-file): Create fonts.dir/scale files for all
fonts directories.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
1 files changed, 45 insertions(+), 16 deletions(-)

M guix/profiles.scm
M guix/profiles.scm => guix/profiles.scm +45 -16
@@ 6,6 6,7 @@
;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
;;; Copyright © 2017 Huang Ying <huang.ying.caritas@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;


@@ 877,9 878,12 @@ entries.  It's used to query the MIME type of a given file."
                          #:substitutable? #f)
        (return #f))))

;; Several font packages may install font files into same directory, so
;; fonts.dir and fonts.scale file should be generated here, instead of in
;; packages.
(define (fonts-dir-file manifest)
  "Return a derivation that builds the @file{fonts.dir} and @file{fonts.scale}
files for the truetype fonts of the @var{manifest} entries."
files for the fonts of the @var{manifest} entries."
  (define mkfontscale
    (module-ref (resolve-interface '(gnu packages xorg)) 'mkfontscale))



@@ 891,29 895,54 @@ files for the truetype fonts of the @var{manifest} entries."
        (use-modules (srfi srfi-26)
                     (guix build utils)
                     (guix build union))
        (let ((ttf-dirs (filter file-exists?
                                (map (cut string-append <>
                                          "/share/fonts/truetype")
                                     '#$(manifest-inputs manifest)))))
        (let ((fonts-dirs (filter file-exists?
                                  (map (cut string-append <>
                                            "/share/fonts")
                                       '#$(manifest-inputs manifest)))))
          (mkdir #$output)
          (if (null? ttf-dirs)
          (if (null? fonts-dirs)
              (exit #t)
              (let* ((fonts-dir   (string-append #$output "/share/fonts"))
                     (ttf-dir     (string-append fonts-dir "/truetype"))
              (let* ((share-dir   (string-append #$output "/share"))
                     (fonts-dir   (string-append share-dir "/fonts"))
                     (mkfontscale (string-append #+mkfontscale
                                                 "/bin/mkfontscale"))
                     (mkfontdir   (string-append #+mkfontdir
                                                 "/bin/mkfontdir")))
                (mkdir-p fonts-dir)
                (union-build ttf-dir ttf-dirs
                             #:log-port (%make-void-port "w"))
                (with-directory-excursion ttf-dir
                  (exit (and (zero? (system* mkfontscale))
                             (zero? (system* mkfontdir))))))))))
                                                 "/bin/mkfontdir"))
                     (empty-file? (lambda (filename)
                                    (call-with-ascii-input-file filename
                                      (lambda (p)
                                        (eqv? #\0 (read-char p))))))
                     (fonts-dir-file "fonts.dir")
                     (fonts-scale-file "fonts.scale"))
                (mkdir-p share-dir)
                ;; Create all sub-directories, because we may create fonts.dir
                ;; and fonts.scale files in the sub-directories.
                (union-build fonts-dir fonts-dirs
                             #:log-port (%make-void-port "w")
                             #:create-all-directories? #t)
                (let ((directories (find-files fonts-dir
                                               (lambda (file stat)
                                                 (eq? 'directory (stat:type stat)))
                                               #:directories? #t)))
                  (for-each (lambda (dir)
                              (with-directory-excursion dir
                                (when (file-exists? fonts-scale-file)
                                  (delete-file fonts-scale-file))
                                (when (file-exists? fonts-dir-file)
                                  (delete-file fonts-dir-file))
                                (unless (and (zero? (system* mkfontscale))
                                             (zero? (system* mkfontdir)))
                                  (exit #f))
                                (when (empty-file? fonts-scale-file)
                                  (delete-file fonts-scale-file))
                                (when (empty-file? fonts-dir-file)
                                  (delete-file fonts-dir-file))))
                            directories)))))))

  (gexp->derivation "fonts-dir" build
                    #:modules '((guix build utils)
                                (guix build union))
                                (guix build union)
                                (srfi srfi-26))
                    #:local-build? #t
                    #:substitutable? #f))