From 99e9d598e3f33924d777054baf21ee3e45ff47b4 Mon Sep 17 00:00:00 2001
From: Arun Isaac <arunisaac@systemreboot.net>
Date: Sat, 24 Jun 2017 23:09:00 +0800
Subject: [PATCH] gnu: font-google-material-design-icons: Use
 'font-build-system'.
MIME-Version: 1.0
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* gnu/packages/fonts.scm (font-google-material-design-icons): Re-indent.
Switch to font-build-system.

Signed-off-by: 宋文武 <iyzsong@member.fsf.org>
---
 gnu/packages/fonts.scm | 55 ++++++++++++------------------------------
 1 file changed, 16 insertions(+), 39 deletions(-)

diff --git a/gnu/packages/fonts.scm b/gnu/packages/fonts.scm
index 2ee012e3c1f7efd85485828a978e07620e780f2a..297094ce069a537f0c90390883d776f9fe0d4754 100644
--- a/gnu/packages/fonts.scm
+++ b/gnu/packages/fonts.scm
@@ -1044,51 +1044,28 @@ monospace, slab-serif fonts.")
 
 (define-public font-google-material-design-icons
   (package
-   (name "font-google-material-design-icons")
-   (version "3.0.1")
-   (source (origin
-            (method url-fetch)
-            (uri (string-append
-                   "https://github.com/google/material-design-icons/archive/"
+    (name "font-google-material-design-icons")
+    (version "3.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/google/material-design-icons/archive/"
                     version ".tar.gz"))
-            (sha256
-             (base32
-              "183n0qv3q8w6n27libarq1fhc4mqv2d3sasbfmbn7x9r5pw9c6ga"))
-            (file-name (string-append name "-" version ".tar.gz"))))
-   (build-system trivial-build-system)
-   (native-inputs
-    `(("tar" ,tar)
-      ("gzip" ,gzip)))
-   (arguments
-    `(#:modules ((guix build utils))
-      #:builder (begin
-                  (use-modules (guix build utils))
-                  (let* ((font-dir (string-append %output
-                                                  "/share/fonts/truetype"))
-                         (source (assoc-ref %build-inputs "source"))
-                         (font-filename "MaterialIcons-Regular.ttf")
-                         (src-ttf-file (string-append "material-design-icons-"
-                                                      ,version
-                                                      "/iconfont/"
-                                                      font-filename))
-                         (dest-ttf-file (string-append font-dir font-filename))
-                         (gzip (assoc-ref %build-inputs "gzip"))
-                         (tar (assoc-ref %build-inputs "tar")))
-                    (setenv "PATH" (string-append gzip "/bin:"
-                                                  tar "/bin:"))
-                    (system* "tar" "xf" source)
-                    (mkdir-p font-dir)
-                    (copy-file src-ttf-file dest-ttf-file)))))
-   (home-page "http://google.github.io/material-design-icons")
-   (synopsis "Icon font of Google Material Design icons")
-   (description
-    "Material design system icons are simple, modern, friendly, and sometimes
+              (sha256
+               (base32
+                "183n0qv3q8w6n27libarq1fhc4mqv2d3sasbfmbn7x9r5pw9c6ga"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system font-build-system)
+    (home-page "http://google.github.io/material-design-icons")
+    (synopsis "Icon font of Google Material Design icons")
+    (description
+     "Material design system icons are simple, modern, friendly, and sometimes
 quirky.  Each icon is created using our design guidelines to depict in simple
 and minimal forms the universal concepts used commonly throughout a UI.
 Ensuring readability and clarity at both large and small sizes, these icons
 have been optimized for beautiful display on all common platforms and display
 resolutions.")
-   (license license:asl2.0)))
+    (license license:asl2.0)))
 
 (define-public font-mathjax
   (package