gnu: Add Mozilla Fira Mono font.

* gnu/packages/fonts.scm (font-fira-mono): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/fonts.scm

@@ -13,6 +13,7 @@
 ;;; Copyright © 2016 Dmitry Nikolaev <cameltheman@gmail.com>
 ;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2016 Toni Reina <areina@riseup.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -898,3 +899,38 @@ powerline support.")
      "Source Code Pro is a set of monospaced OpenType fonts that have been
 designed to work well in user interface environments.")
     (license license:silofl1.1)))
+
+(define-public font-fira-mono
+  (package
+    (name "font-fira-mono")
+    (version "3.206")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://carrois.com/downloads/fira_mono_3_2/"
+                                  "FiraMonoFonts"
+                                  (string-replace-substring version "." "")
+                                  ".zip"))
+              (sha256
+               (base32
+                "1z65x0dw5dq6rs6p9wyfrir50rlh95vgzsxr8jcd40nqazw4jhpi"))))
+    (build-system trivial-build-system)
+    (arguments
+     `(#:modules ((guix build utils))
+       #:builder
+       (begin
+         (use-modules (guix build utils))
+         (let ((unzip (string-append (assoc-ref %build-inputs "unzip")
+                                     "/bin/unzip"))
+               (font-dir (string-append %output "/share/fonts/opentype")))
+           (mkdir-p font-dir)
+           (system* unzip
+                    "-j"
+                    (assoc-ref %build-inputs "source")
+                    "*.otf"
+                    "-d" font-dir)))))
+    (native-inputs
+     `(("unzip" ,unzip)))
+    (home-page "http://mozilla.github.io/Fira/")
+    (synopsis "Mozilla's monospace font")
+    (description "This is the typeface used by Mozilla in Firefox OS.")
+    (license license:silofl1.1)))