From 893af77556897ac81066ffa378aed854daf3b258 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Fri, 29 Jan 2016 14:40:27 +0300
Subject: [PATCH] makeFontsCache: init

---
 .../libraries/fontconfig/make-fonts-cache.nix | 27 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  5 ++++
 2 files changed, 32 insertions(+)
 create mode 100644 pkgs/development/libraries/fontconfig/make-fonts-cache.nix

diff --git a/pkgs/development/libraries/fontconfig/make-fonts-cache.nix b/pkgs/development/libraries/fontconfig/make-fonts-cache.nix
new file mode 100644
index 00000000000..1321948c3c8
--- /dev/null
+++ b/pkgs/development/libraries/fontconfig/make-fonts-cache.nix
@@ -0,0 +1,27 @@
+{ runCommand, lib, writeText, fontconfig, fontbhttf, fontDirectories }:
+
+runCommand "fc-cache"
+  rec {
+    buildInputs = [ fontconfig ];
+    passAsFile = [ "fontDirs" ];
+    fontDirs = ''
+      <!-- Font directories -->
+      ${lib.concatStringsSep "\n" (map (font: "<dir>${font}</dir>") fontDirectories)}
+    '';
+  }
+  ''
+    export FONTCONFIG_FILE=$(pwd)/fonts.conf
+
+    cat > fonts.conf << EOF
+    <?xml version='1.0'?>
+    <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
+    <fontconfig>
+      <include>${fontconfig}/etc/fonts/fonts.conf</include>
+      <cachedir>$out</cachedir>
+    EOF
+    cat "$fontDirsPath" >> fonts.conf
+    echo "</fontconfig>" >> fonts.conf
+
+    mkdir -p $out
+    fc-cache -sv
+  ''
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d909f127b3f..d3ead0848da 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6503,6 +6503,11 @@ let
       inherit fontconfig fontDirectories;
     };
 
+  makeFontsCache = let fontconfig_ = fontconfig; in {fontconfig ? fontconfig_, fontDirectories}:
+    callPackage ../development/libraries/fontconfig/make-fonts-cache.nix {
+      inherit fontconfig fontDirectories;
+    };
+
   freealut = callPackage ../development/libraries/freealut { };
 
   freeglut = callPackage ../development/libraries/freeglut { };