[ostree] Add fontconfig trigger

[Colin Walters <walters src gnome org>]

commit bdc57338c19a508d9f2d5e632f97e8cb3b11421b
Author: Adrian Perez <aperez igalia com>
Date:   Wed Jun 13 17:58:53 2012 +0300

    Add fontconfig trigger
    
    This wil regenerate the fontconfig caches, accounting for modifications in
    the system font directories.

 Makefile-triggers.am                               |    1 +
 .../triggers.d/0100fontconfig-cache.trigger        |   23 ++++++++++++++++++++
 2 files changed, 24 insertions(+), 0 deletions(-)
---
diff --git a/Makefile-triggers.am b/Makefile-triggers.am
index 7721601..3ab714a 100644
--- a/Makefile-triggers.am
+++ b/Makefile-triggers.am
@@ -29,6 +29,7 @@ triggers_SCRIPTS = \
 	src/triggers/triggers.d/0070pango.trigger \
 	src/triggers/triggers.d/0080gtk+.trigger \
 	src/triggers/triggers.d/0090desktop-database.trigger \
+	src/triggers/triggers.d/0090fontconfig-cache.trigger \
 	$(NULL)
 EXTRA_DIST += $(triggers_SCRIPTS)
 
diff --git a/src/triggers/triggers.d/0100fontconfig-cache.trigger b/src/triggers/triggers.d/0100fontconfig-cache.trigger
new file mode 100755
index 0000000..3b93b8b
--- /dev/null
+++ b/src/triggers/triggers.d/0100fontconfig-cache.trigger
@@ -0,0 +1,23 @@
+#!/bin/sh
+# Post-installation hook for the FontConfig cache -*- mode: sh -*-
+#
+# Written by Adrian Perez de Castro <aperez igalia com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+if test -x "$(which fc-cache 2>/dev/null)"; then
+    exec fc-cache --system-only
+fi