1 files changed, 62 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/fontconfig/make-fonts-conf.xsl b/nixpkgs/pkgs/development/libraries/fontconfig/make-fonts-conf.xsl
new file mode 100644
index 000000000000..ed51b62a1d08
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/fontconfig/make-fonts-conf.xsl
@@ -0,0 +1,62 @@
+<?xml version="1.0"?>
+
+<!--
+  This script copies the original fonts.conf from the fontconfig
+  distribution, but replaces all <dir> entries with the directories
+  specified in the $fontDirectories parameter.
+-->
+
+<xsl:stylesheet version="1.0"
+                xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:str="http://exslt.org/strings"
+                extension-element-prefixes="str"
+                >
+
+  <xsl:output method='xml' encoding="UTF-8" doctype-system="urn:fontconfig:fonts.dtd" />
+
+  <xsl:param name="fontDirectories" />
+
+  <xsl:template match="/fontconfig">
+
+    <fontconfig>
+      <xsl:apply-templates select="child::node()[name() != 'dir' and name() != 'cachedir' and name() != 'include']" />
+
+      <!-- the first cachedir will be used to store the cache -->
+      <cachedir prefix="xdg">fontconfig</cachedir>
+      <!-- /var/cache/fontconfig is useful for non-nixos systems -->
+      <cachedir>/var/cache/fontconfig</cachedir>
+
+      <!-- system-wide config -->
+      <include ignore_missing="yes">/etc/fonts/conf.d</include>
+
+      <dir prefix="xdg">fonts</dir>
+      <xsl:for-each select="str:tokenize($fontDirectories)">
+        <dir><xsl:value-of select="." /></dir>
+        <xsl:text>&#0010;</xsl:text>
+      </xsl:for-each>
+
+      <!-- nix user profile -->
+      <dir>~/.nix-profile/lib/X11/fonts</dir>
+      <dir>~/.nix-profile/share/fonts</dir>
+
+      <!-- FHS paths for non-NixOS platforms -->
+      <dir>/usr/share/fonts</dir>
+      <dir>/usr/local/share/fonts</dir>
+
+      <!-- nix default profile -->
+      <dir>/nix/var/nix/profiles/default/lib/X11/fonts</dir>
+      <dir>/nix/var/nix/profiles/default/share/fonts</dir>
+
+    </fontconfig>
+
+  </xsl:template>
+
+
+  <!-- New fontconfig >=2.11 doesn't like xml:space added by xsl:copy-of -->
+  <xsl:template match="node()|@*">
+    <xsl:copy>
+      <xsl:apply-templates select="node()|@*[name() != 'xml:space']"/>
+    </xsl:copy>
+  </xsl:template>
+
+</xsl:stylesheet>