[ostree] triggers: We need to order their execution
- From: Colin Walters <walters src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [ostree] triggers: We need to order their execution
- Date: Mon, 20 Feb 2012 01:54:44 +0000 (UTC)
commit 633da1e7adf911d2213b390378aa74d86ce427f2
Author: Colin Walters <walters verbum org>
Date: Sun Feb 19 20:52:50 2012 -0500
triggers: We need to order their execution
Otherwise we run in inode order which is unpredictable. In particular
this causes problems because we might run e.g. the gtk+ trigger before
the gdk-pixbuf one. And ldconfig should really be first.
Makefile-triggers.am | 20 +++---
src/triggers/ostree-run-triggers.c | 76 ++++++++++++++++----
.../{ldconfig.trigger => 0001ldconfig.trigger} | 0
...-database.trigger => 0010mime-database.trigger} | 0
.../{dconf.trigger => 0020dconf.trigger} | 0
.../triggers.d/{glib.trigger => 0030glib.trigger} | 0
.../{gdk-pixbuf.trigger => 0040gdk-pixbuf.trigger} | 0
.../{gconf.trigger => 0050gconf.trigger} | 0
.../{immodules.trigger => 0060immodules.trigger} | 0
.../{pango.trigger => 0070pango.trigger} | 0
.../triggers.d/{gtk+.trigger => 0080gtk+.trigger} | 0
...tabase.trigger => 0090desktop-database.trigger} | 0
12 files changed, 72 insertions(+), 24 deletions(-)
---
diff --git a/Makefile-triggers.am b/Makefile-triggers.am
index 172a7c6..a4d54fc 100644
--- a/Makefile-triggers.am
+++ b/Makefile-triggers.am
@@ -19,16 +19,16 @@
triggersdir = $(libexecdir)/ostree/triggers.d
triggers_SCRIPTS = \
- src/triggers/triggers.d/dconf.trigger \
- src/triggers/triggers.d/desktop-database.trigger \
- src/triggers/triggers.d/gdk-pixbuf.trigger \
- src/triggers/triggers.d/gconf.trigger \
- src/triggers/triggers.d/glib.trigger \
- src/triggers/triggers.d/gtk+.trigger \
- src/triggers/triggers.d/immodules.trigger \
- src/triggers/triggers.d/ldconfig.trigger \
- src/triggers/triggers.d/mime-database.trigger \
- src/triggers/triggers.d/pango.trigger \
+ src/triggers/triggers.d/0001ldconfig.trigger \
+ src/triggers/triggers.d/0010mime-database.trigger \
+ src/triggers/triggers.d/0020dconf.trigger \
+ src/triggers/triggers.d/0030glib.trigger \
+ src/triggers/triggers.d/0040gdk-pixbuf.trigger \
+ src/triggers/triggers.d/0050gconf.trigger \
+ src/triggers/triggers.d/0060immodules.trigger \
+ src/triggers/triggers.d/0070pango.trigger \
+ src/triggers/triggers.d/0080gtk+.trigger \
+ src/triggers/triggers.d/0090desktop-database.trigger \
$(NULL)
bin_PROGRAMS += ostree-run-triggers
diff --git a/src/triggers/ostree-run-triggers.c b/src/triggers/ostree-run-triggers.c
index 29f036b..7145cb6 100644
--- a/src/triggers/ostree-run-triggers.c
+++ b/src/triggers/ostree-run-triggers.c
@@ -128,9 +128,26 @@ check_trigger (GFile *trigger,
return ret;
}
+static int
+compare_files_by_basename (gconstpointer ap,
+ gconstpointer bp)
+{
+ GFile *a = (GFile*)ap;
+ GFile *b = (GFile*)ap;
+ char *name_a, *name_b;
+ int c;
-gboolean
-run_triggers (GError **error)
+ name_a = g_file_get_basename (a);
+ name_b = g_file_get_basename (b);
+ c = strcmp (name_a, name_b);
+ g_free (name_b);
+ g_free (name_a);
+ return c;
+}
+
+static gboolean
+get_sorted_triggers (GPtrArray **out_triggers,
+ GError **error)
{
gboolean ret = FALSE;
GError *temp_error = NULL;
@@ -138,6 +155,9 @@ run_triggers (GError **error)
GFile *triggerdir = NULL;
GFileInfo *file_info = NULL;
GFileEnumerator *enumerator = NULL;
+ GPtrArray *ret_triggers = NULL;
+
+ ret_triggers = g_ptr_array_new_with_free_func ((GDestroyNotify)g_object_unref);
triggerdir_path = g_build_filename (LIBEXECDIR, "ostree", "triggers.d", NULL);
triggerdir = g_file_new_for_path (triggerdir_path);
@@ -153,40 +173,68 @@ run_triggers (GError **error)
{
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"))
{
+ char *child_path;
+ GFile *child;
+
child_path = g_build_filename (triggerdir_path, name, NULL);
child = g_file_new_for_path (child_path);
+ g_free (child_path);
- success = check_trigger (child, error);
+ g_ptr_array_add (ret_triggers, child);
}
- else
- success = TRUE;
-
- g_object_unref (file_info);
- g_free (child_path);
- g_clear_object (&child);
- if (!success)
- goto out;
+ g_clear_object (&file_info);
}
if (file_info == NULL && temp_error != NULL)
{
g_propagate_error (error, temp_error);
goto out;
}
+
+ g_ptr_array_sort (ret_triggers, compare_files_by_basename);
ret = TRUE;
+ if (out_triggers)
+ {
+ *out_triggers = ret_triggers;
+ ret_triggers = NULL;
+ }
out:
g_free (triggerdir_path);
g_clear_object (&triggerdir);
g_clear_object (&enumerator);
+ if (ret_triggers)
+ g_ptr_array_unref (ret_triggers);
+ return ret;
+}
+
+gboolean
+run_triggers (GError **error)
+{
+ gboolean ret = FALSE;
+ int i;
+ GPtrArray *triggers = NULL;
+
+ if (!get_sorted_triggers (&triggers, error))
+ goto out;
+
+ for (i = 0; i < triggers->len; i++)
+ {
+ GFile *trigger = triggers->pdata[i];
+
+ if (!check_trigger (trigger, error))
+ goto out;
+ }
+
+ ret = TRUE;
+ out:
+ if (triggers)
+ g_ptr_array_unref (triggers);
return ret;
}
diff --git a/src/triggers/triggers.d/ldconfig.trigger b/src/triggers/triggers.d/0001ldconfig.trigger
similarity index 100%
rename from src/triggers/triggers.d/ldconfig.trigger
rename to src/triggers/triggers.d/0001ldconfig.trigger
diff --git a/src/triggers/triggers.d/mime-database.trigger b/src/triggers/triggers.d/0010mime-database.trigger
similarity index 100%
rename from src/triggers/triggers.d/mime-database.trigger
rename to src/triggers/triggers.d/0010mime-database.trigger
diff --git a/src/triggers/triggers.d/dconf.trigger b/src/triggers/triggers.d/0020dconf.trigger
similarity index 100%
rename from src/triggers/triggers.d/dconf.trigger
rename to src/triggers/triggers.d/0020dconf.trigger
diff --git a/src/triggers/triggers.d/glib.trigger b/src/triggers/triggers.d/0030glib.trigger
similarity index 100%
rename from src/triggers/triggers.d/glib.trigger
rename to src/triggers/triggers.d/0030glib.trigger
diff --git a/src/triggers/triggers.d/gdk-pixbuf.trigger b/src/triggers/triggers.d/0040gdk-pixbuf.trigger
similarity index 100%
rename from src/triggers/triggers.d/gdk-pixbuf.trigger
rename to src/triggers/triggers.d/0040gdk-pixbuf.trigger
diff --git a/src/triggers/triggers.d/gconf.trigger b/src/triggers/triggers.d/0050gconf.trigger
similarity index 100%
rename from src/triggers/triggers.d/gconf.trigger
rename to src/triggers/triggers.d/0050gconf.trigger
diff --git a/src/triggers/triggers.d/immodules.trigger b/src/triggers/triggers.d/0060immodules.trigger
similarity index 100%
rename from src/triggers/triggers.d/immodules.trigger
rename to src/triggers/triggers.d/0060immodules.trigger
diff --git a/src/triggers/triggers.d/pango.trigger b/src/triggers/triggers.d/0070pango.trigger
similarity index 100%
rename from src/triggers/triggers.d/pango.trigger
rename to src/triggers/triggers.d/0070pango.trigger
diff --git a/src/triggers/triggers.d/gtk+.trigger b/src/triggers/triggers.d/0080gtk+.trigger
similarity index 100%
rename from src/triggers/triggers.d/gtk+.trigger
rename to src/triggers/triggers.d/0080gtk+.trigger
diff --git a/src/triggers/triggers.d/desktop-database.trigger b/src/triggers/triggers.d/0090desktop-database.trigger
similarity index 100%
rename from src/triggers/triggers.d/desktop-database.trigger
rename to src/triggers/triggers.d/0090desktop-database.trigger
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