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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>
This commit is contained in:
Huang Ying 2017-03-12 19:53:59 +08:00 committed by Ludovic Courtès
parent addce19e2d
commit 0a5ce0d1df
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GPG Key ID: 090B11993D9AEBB5
1 changed files with 45 additions and 16 deletions
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57
guix/profiles.scm
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@ -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?
(let ((fonts-dirs (filter file-exists?
(map (cut string-append <>
"/share/fonts/truetype")
"/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))