[ostree] Some initial work on triggers



commit 9d8522dfa1cc248552720070e5a7904768da5698
Author: Colin Walters <walters verbum org>
Date:   Thu Oct 20 16:11:39 2011 -0400

    Some initial work on triggers

 Makefile-src.am                     |    2 +
 Makefile-triggers.am                |   29 +++
 Makefile.am                         |    2 +
 src/libostree/ostree-checkout.c     |  343 +++++++++++++++++++++++++++++++++++
 src/libostree/ostree-checkout.h     |   59 ++++++
 src/libostree/ostree.h              |    1 +
 src/ot-builtin-checkout.c           |   11 +
 triggers.d/desktop-database.trigger |   22 +++
 triggers.d/gdk-pixbuf.trigger       |   24 +++
 triggers.d/glib.trigger             |   22 +++
 triggers.d/gtk+.trigger             |   29 +++
 triggers.d/immodules.trigger        |   22 +++
 triggers.d/ldconfig.trigger         |   22 +++
 triggers.d/mime-database.trigger    |   22 +++
 triggers.d/pango.trigger            |   25 +++
 15 files changed, 635 insertions(+), 0 deletions(-)
---
diff --git a/Makefile-src.am b/Makefile-src.am
index 2c600d5..be5716d 100644
--- a/Makefile-src.am
+++ b/Makefile-src.am
@@ -37,6 +37,8 @@ libostree_la_SOURCES = src/libostree/ostree.h \
 	src/libostree/ostree-core.h \
 	src/libostree/ostree-repo.c \
 	src/libostree/ostree-repo.h \
+	src/libostree/ostree-checkout.c \
+	src/libostree/ostree-checkout.h \
 	$(NULL)
 libostree_la_CFLAGS = -I$(srcdir)/src/libostree -I$(srcdir)/src/libotutil -DLOCALEDIR=\"$(datadir)/locale\" $(GIO_UNIX_CFLAGS)
 libostree_la_LIBADD = libotutil.la $(GIO_UNIX_LIBS)
diff --git a/Makefile-triggers.am b/Makefile-triggers.am
new file mode 100644
index 0000000..a270c0a
--- /dev/null
+++ b/Makefile-triggers.am
@@ -0,0 +1,29 @@
+# Makefile for triggers
+#
+# Copyright (C) 2011 Colin Walters <walters verbum org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+triggersdir = $(datadir)/ostree/triggers.d
+triggers_DATA = \
+	triggers.d/desktop-database.trigger \
+	triggers.d/gdk-pixbuf.trigger \
+	triggers.d/glib.trigger \
+	triggers.d/gtk+.trigger \
+	triggers.d/immodules.trigger \
+	triggers.d/ldconfig.trigger \
+	triggers.d/mime-database.trigger \
+	triggers.d/pango.trigger \
+	$(NULL)
diff --git a/Makefile.am b/Makefile.am
index 8ff33df..03f3e51 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,5 @@
 ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
+AM_CPPFLAGS = -DDATADIR='"$(datadir)"'
 
 NULL = 
 BUILT_SOURCES =
@@ -11,3 +12,4 @@ noinst_LTLIBRARIES =
 noinst_PROGRAMS =
 
 include Makefile-src.am
+include Makefile-triggers.am
diff --git a/src/libostree/ostree-checkout.c b/src/libostree/ostree-checkout.c
new file mode 100644
index 0000000..4a609cc
--- /dev/null
+++ b/src/libostree/ostree-checkout.c
@@ -0,0 +1,343 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2011 Colin Walters <walters verbum org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Author: Colin Walters <walters verbum org>
+ */
+
+#include "config.h"
+
+#include "ostree.h"
+#include "otutil.h"
+
+enum {
+  PROP_0,
+
+  PROP_REPO,
+  PROP_PATH
+};
+
+G_DEFINE_TYPE (OstreeCheckout, ostree_checkout, G_TYPE_OBJECT)
+
+#define GET_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), OSTREE_TYPE_CHECKOUT, OstreeCheckoutPrivate))
+
+typedef struct _OstreeCheckoutPrivate OstreeCheckoutPrivate;
+
+struct _OstreeCheckoutPrivate {
+  OstreeRepo *repo;
+  char *path;
+};
+
+static void
+ostree_checkout_finalize (GObject *object)
+{
+  OstreeCheckout *self = OSTREE_CHECKOUT (object);
+  OstreeCheckoutPrivate *priv = GET_PRIVATE (self);
+
+  g_free (priv->path);
+  g_clear_object (&priv->repo);
+
+  G_OBJECT_CLASS (ostree_checkout_parent_class)->finalize (object);
+}
+
+static void
+ostree_checkout_set_property(GObject         *object,
+			   guint            prop_id,
+			   const GValue    *value,
+			   GParamSpec      *pspec)
+{
+  OstreeCheckout *self = OSTREE_CHECKOUT (object);
+  OstreeCheckoutPrivate *priv = GET_PRIVATE (self);
+
+  switch (prop_id)
+    {
+    case PROP_PATH:
+      priv->path = g_value_dup_string (value);
+      break;
+    case PROP_REPO:
+      priv->repo = g_value_dup_object (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+ostree_checkout_get_property(GObject         *object,
+			   guint            prop_id,
+			   GValue          *value,
+			   GParamSpec      *pspec)
+{
+  OstreeCheckout *self = OSTREE_CHECKOUT (object);
+  OstreeCheckoutPrivate *priv = GET_PRIVATE (self);
+
+  switch (prop_id)
+    {
+    case PROP_PATH:
+      g_value_set_string (value, priv->path);
+      break;
+    case PROP_REPO:
+      g_value_set_object (value, priv->repo);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static GObject *
+ostree_checkout_constructor (GType                  gtype,
+                           guint                  n_properties,
+                           GObjectConstructParam *properties)
+{
+  GObject *object;
+  GObjectClass *parent_class;
+  OstreeCheckoutPrivate *priv;
+
+  parent_class = G_OBJECT_CLASS (ostree_checkout_parent_class);
+  object = parent_class->constructor (gtype, n_properties, properties);
+
+  priv = GET_PRIVATE (object);
+
+  g_assert (priv->path != NULL);
+  
+  return object;
+}
+
+static void
+ostree_checkout_class_init (OstreeCheckoutClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (OstreeCheckoutPrivate));
+
+  object_class->constructor = ostree_checkout_constructor;
+  object_class->get_property = ostree_checkout_get_property;
+  object_class->set_property = ostree_checkout_set_property;
+  object_class->finalize = ostree_checkout_finalize;
+
+  g_object_class_install_property (object_class,
+                                   PROP_PATH,
+                                   g_param_spec_string ("path", "", "",
+                                                        NULL,
+                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+  g_object_class_install_property (object_class,
+                                   PROP_REPO,
+                                   g_param_spec_object ("repo", "", "",
+                                                        OSTREE_TYPE_REPO,
+                                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+ostree_checkout_init (OstreeCheckout *self)
+{
+}
+
+OstreeCheckout*
+ostree_checkout_new (OstreeRepo  *repo,
+                     const char  *path)
+{
+  return g_object_new (OSTREE_TYPE_CHECKOUT, "repo", repo, "path", path, NULL);
+}
+
+static gboolean
+executable_exists_in_checkout (const char *path,
+                               const char *executable)
+{
+  int i;
+  const char *subdirs[] = {"bin", "sbin", "usr/bin", "usr/sbin"};
+
+  for (i = 0; i < G_N_ELEMENTS (subdirs); i++)
+    {
+      char *possible_path = g_build_filename (path, subdirs[i], executable, NULL);
+      gboolean exists;
+      
+      exists = g_file_test (possible_path, G_FILE_TEST_EXISTS);
+      g_free (possible_path);
+
+      if (exists)
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
+static gboolean
+run_trigger (OstreeCheckout *self,
+             GFile          *trigger,
+             gboolean        requires_chroot,
+             GError        **error)
+{
+  OstreeCheckoutPrivate *priv = GET_PRIVATE (self);
+  gboolean ret = FALSE;
+  char *path = NULL;
+  char *basename = NULL;
+  GPtrArray *args = NULL;
+  int estatus;
+
+  path = g_file_get_path (trigger);
+  basename = g_path_get_basename (path);
+  
+  if (requires_chroot)
+    {
+      g_ptr_array_add (args, "chroot");
+      g_ptr_array_add (args, priv->path);
+      g_ptr_array_add (args, path);
+      g_ptr_array_add (args, NULL);
+    }
+  else
+    {
+      g_ptr_array_add (args, path);
+      g_ptr_array_add (args, NULL);
+    }
+      
+  if (!g_spawn_sync (priv->path,
+                     (char**)args->pdata,
+                     NULL,
+                     0, NULL, NULL, NULL, NULL,
+                     &estatus,
+                     error))
+    {
+      g_prefix_error (error, "Failed to run trigger %s: ", basename);
+      goto out;
+    }
+
+  ret = TRUE;
+ out:
+  g_free (path);
+  g_free (basename);
+  if (args)
+    g_ptr_array_free (args, TRUE);
+  return ret;
+}
+
+static gboolean
+check_trigger (OstreeCheckout *self,
+               GFile          *trigger,
+               GError        **error)
+{
+  OstreeCheckoutPrivate *priv = GET_PRIVATE (self);
+  gboolean ret = FALSE;
+  GInputStream *instream = NULL;
+  GDataInputStream *datain = NULL;
+  GError *temp_error = NULL;
+  char *line;
+  gsize len;
+  gboolean requires_chroot = FALSE;
+  gboolean matches = FALSE;
+
+  instream = (GInputStream*)g_file_read (trigger, NULL, error);
+  if (!instream)
+    goto out;
+  datain = g_data_input_stream_new (instream);
+
+  while ((line = g_data_input_stream_read_line_utf8 (datain, &len, NULL, &temp_error)) != NULL)
+    {
+      if (g_str_has_prefix (line, "# IfExecutable: "))
+        {
+          char *executable = g_strdup (line + strlen ("# IfExecutable: "));
+          g_strchomp (executable);
+          matches = executable_exists_in_checkout (priv->path, executable);
+          g_free (executable);
+        }
+      if (g_str_has_prefix (line, "# RequiresChroot: "))
+        requires_chroot = TRUE;
+
+      g_free (line);
+    }
+  if (line == NULL && temp_error != NULL)
+    {
+      g_propagate_error (error, temp_error);
+      goto out;
+    }
+  if (matches)
+    {
+      if (!run_trigger (self, trigger, requires_chroot, error))
+        goto out;
+    }
+  
+  ret = TRUE;
+ out:
+  g_clear_object (&instream);
+  g_clear_object (&datain);
+  return ret;
+}
+
+gboolean
+ostree_checkout_run_triggers (OstreeCheckout *self,
+                              GError        **error)
+{
+  gboolean ret = FALSE;
+  GError *temp_error = NULL;
+  char *triggerdir_path = NULL;
+  GFile *triggerdir = NULL;
+  GFileInfo *file_info = NULL;
+  GFileEnumerator *enumerator = NULL;
+
+  triggerdir_path = g_build_filename (DATADIR, "ostree", "triggers.d", NULL);
+  triggerdir = ot_util_new_file_for_path (triggerdir_path);
+
+  enumerator = g_file_enumerate_children (triggerdir, "standard::name,standard::type,unix::*", 
+                                          G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+                                          NULL, 
+                                          error);
+  if (!enumerator)
+    goto out;
+
+  while ((file_info = g_file_enumerator_next_file (enumerator, NULL, &temp_error)) != NULL)
+    {
+      const char *name;
+      guint32 type;
+      char *child_path = NULL;
+      GFile *child = NULL;
+      gboolean success;
+
+      name = g_file_info_get_attribute_byte_string (file_info, "standard::name"); 
+      type = g_file_info_get_attribute_uint32 (file_info, "standard::type");
+      
+      if (type == G_FILE_TYPE_REGULAR && g_str_has_suffix (name, ".trigger"))
+        {
+          child_path = g_build_filename (triggerdir_path, name, NULL);
+          child = ot_util_new_file_for_path (child_path);
+
+          success = check_trigger (self, child, error);
+        }
+      else
+        success = TRUE;
+
+      g_object_unref (file_info);
+      g_free (child_path);
+      g_clear_object (&child);
+      if (!success)
+        goto out;
+    }
+  if (file_info == NULL && temp_error != NULL)
+    {
+      g_propagate_error (error, temp_error);
+      goto out;
+    }
+
+  ret = TRUE;
+ out:
+  g_free (triggerdir_path);
+  g_clear_object (&triggerdir);
+  g_clear_object (&enumerator);
+  return ret;
+}
diff --git a/src/libostree/ostree-checkout.h b/src/libostree/ostree-checkout.h
new file mode 100644
index 0000000..375b977
--- /dev/null
+++ b/src/libostree/ostree-checkout.h
@@ -0,0 +1,59 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2011 Colin Walters <walters verbum org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Author: Colin Walters <walters verbum org>
+ */
+
+#ifndef _OSTREE_CHECKOUT
+#define _OSTREE_CHECKOUT
+
+#include <ostree-repo.h>
+
+G_BEGIN_DECLS
+
+#define OSTREE_TYPE_CHECKOUT ostree_checkout_get_type()
+#define OSTREE_CHECKOUT(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), OSTREE_TYPE_CHECKOUT, OstreeCheckout))
+#define OSTREE_CHECKOUT_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), OSTREE_TYPE_CHECKOUT, OstreeCheckoutClass))
+#define OSTREE_IS_CHECKOUT(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), OSTREE_TYPE_CHECKOUT))
+#define OSTREE_IS_CHECKOUT_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), OSTREE_TYPE_CHECKOUT))
+#define OSTREE_CHECKOUT_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), OSTREE_TYPE_CHECKOUT, OstreeCheckoutClass))
+
+typedef struct {
+  GObject parent;
+} OstreeCheckout;
+
+typedef struct {
+  GObjectClass parent_class;
+} OstreeCheckoutClass;
+
+GType ostree_checkout_get_type (void);
+
+OstreeCheckout* ostree_checkout_new (OstreeRepo  *repo,
+                                     const char  *path);
+
+gboolean ostree_checkout_run_triggers (OstreeCheckout *checkout,
+                                       GError        **error);
+
+G_END_DECLS
+
+#endif /* _OSTREE_CHECKOUT */
diff --git a/src/libostree/ostree.h b/src/libostree/ostree.h
index 329d7c7..f2b23d1 100644
--- a/src/libostree/ostree.h
+++ b/src/libostree/ostree.h
@@ -23,5 +23,6 @@
 
 #include <ostree-core.h>
 #include <ostree-repo.h>
+#include <ostree-checkout.h>
 
 #endif
diff --git a/src/ot-builtin-checkout.c b/src/ot-builtin-checkout.c
index 8eb4353..a29c1aa 100644
--- a/src/ot-builtin-checkout.c
+++ b/src/ot-builtin-checkout.c
@@ -27,9 +27,11 @@
 #include <glib/gi18n.h>
 
 static char *repo_path;
+static gboolean no_triggers;
 
 static GOptionEntry options[] = {
   { "repo", 0, 0, G_OPTION_ARG_FILENAME, &repo_path, "Repository path", "repo" },
+  { "no-triggers", 0, 0, G_OPTION_ARG_NONE, &no_triggers, "Do not run post-installation trigger scripts", NULL },
   { NULL }
 };
 
@@ -39,6 +41,7 @@ ostree_builtin_checkout (int argc, char **argv, const char *prefix, GError **err
   GOptionContext *context;
   gboolean ret = FALSE;
   OstreeRepo *repo = NULL;
+  OstreeCheckout *checkout = NULL;
   int i;
   const char *commit;
   const char *destination;
@@ -71,11 +74,19 @@ ostree_builtin_checkout (int argc, char **argv, const char *prefix, GError **err
 
   if (!ostree_repo_checkout (repo, commit, destination, error))
     goto out;
+
+  if (!no_triggers)
+    {
+      checkout = ostree_checkout_new (repo, destination);
+      if (!ostree_checkout_run_triggers (checkout, error))
+        goto out;
+    }
  
   ret = TRUE;
  out:
   if (context)
     g_option_context_free (context);
   g_clear_object (&repo);
+  g_clear_object (&checkout);
   return ret;
 }
diff --git a/triggers.d/desktop-database.trigger b/triggers.d/desktop-database.trigger
new file mode 100644
index 0000000..55fce20
--- /dev/null
+++ b/triggers.d/desktop-database.trigger
@@ -0,0 +1,22 @@
+# Post-installation hook for desktop files.  -*- mode: sh -*-
+#
+# Written by Matthias Clasen <mclasen redhat com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: update-desktop-database
+# REMatch: /share/applications/.*/.*\.desktop
+
+exec update-desktop-database -q ./usr/share/applications
diff --git a/triggers.d/gdk-pixbuf.trigger b/triggers.d/gdk-pixbuf.trigger
new file mode 100644
index 0000000..44f5a22
--- /dev/null
+++ b/triggers.d/gdk-pixbuf.trigger
@@ -0,0 +1,24 @@
+# Post-installation hook for gdk-pixbuf.  -*- mode: sh -*-
+# Corresponds to gdk-pixbuf/gdk-pixbuf/Makefile.am:install-data-hook
+#
+# Written by Colin Walters <walters verbum org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: gdk-pixbuf-query-loaders
+# RequiresChroot: true
+# LiteralMatch: /gdk-pixbuf-2.0/2.10.0/loaders/
+
+exec gdk-pixbuf-query-loaders --update-cache
diff --git a/triggers.d/glib.trigger b/triggers.d/glib.trigger
new file mode 100644
index 0000000..01e4aa5
--- /dev/null
+++ b/triggers.d/glib.trigger
@@ -0,0 +1,22 @@
+# Post-installation hook for glib/gschema.  -*- mode: sh -*-
+#
+# Written by Colin Walters <walters verbum org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: glib-compile-schemas
+# LiteralMatch: /share/glib-2.0/schemas/
+
+exec glib-compile-schemas ./usr/share/glib-2.0/schemas
diff --git a/triggers.d/gtk+.trigger b/triggers.d/gtk+.trigger
new file mode 100644
index 0000000..7cc1694
--- /dev/null
+++ b/triggers.d/gtk+.trigger
@@ -0,0 +1,29 @@
+# Post-installation hook for gtk icon cache.  -*- mode: sh -*-
+#
+# Written by Colin Walters <walters verbum org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: gtk-update-icon-cache
+# LiteralMatch: /share/icons/
+
+for dir in ./usr/share/icons/*; do
+  if test -f $dir/index.theme; then
+    if ! gtk-update-icon-cache --quiet $dir; then
+	echo "Failed to run gtk-update-icon-cache for $dir"
+	exit 1
+    fi
+  fi
+done
diff --git a/triggers.d/immodules.trigger b/triggers.d/immodules.trigger
new file mode 100644
index 0000000..1248c1e
--- /dev/null
+++ b/triggers.d/immodules.trigger
@@ -0,0 +1,22 @@
+# Post-installation hook for GTK+ input method modules.  -*- mode: sh -*-
+#
+# Written by Matthias Clasen <mclasen redhat com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: gtk-query-immodules-3.0
+# REMatch: /lib.*/gtk-3\.0/3\.0\.0/immodules/.*\.so
+
+gtk-query-immodules-3.0 --update-cache
diff --git a/triggers.d/ldconfig.trigger b/triggers.d/ldconfig.trigger
new file mode 100644
index 0000000..a1994b1
--- /dev/null
+++ b/triggers.d/ldconfig.trigger
@@ -0,0 +1,22 @@
+# Post-installation hook for shared libraries.  -*- mode: sh -*-
+#
+# Written by Colin Walters <walters verbum org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: ldconfig
+# REMatch: /lib.*/\.so.*
+
+ldconfig -r .
diff --git a/triggers.d/mime-database.trigger b/triggers.d/mime-database.trigger
new file mode 100644
index 0000000..298d537
--- /dev/null
+++ b/triggers.d/mime-database.trigger
@@ -0,0 +1,22 @@
+# Post-installation hook for shared-mime-info.  -*- mode: sh -*-
+#
+# Written by Matthias Clasen <mclasen redhat com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: update-mime-database
+# REMatch: /mime/packages/.*\.xml
+
+exec update-mime-database ./usr/share/mime
diff --git a/triggers.d/pango.trigger b/triggers.d/pango.trigger
new file mode 100644
index 0000000..c680245
--- /dev/null
+++ b/triggers.d/pango.trigger
@@ -0,0 +1,25 @@
+# Post-installation hook for pango.  -*- mode: sh -*-
+# Corresponds to gdk-pixbuf/gdk-pixbuf/Makefile.am:install-data-hook
+#
+# Written by Colin Walters <walters verbum org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# IfExecutable: pango-querymodules
+# REMatch: /lib.*/pango/.*/modules/.*\.so
+
+OSTREE_ROOT=`pwd`
+DEST=./usr/etc/pango/pango.modules
+pango-querymodules > ${DEST}.tmp && mv ${DEST}.tmp ${DEST}



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