[gnome-session] autostart-app: Add support for absolute paths on AutostartCondition

[Mario Sanchez Prada <msanchez src gnome org>]

commit 21690a7f09bd477ecdefe31f547081d3b1bb1d99
Author: Mario Sanchez Prada <mario endlessm com>
Date:   Fri Feb 3 14:36:36 2017 +0000

    autostart-app: Add support for absolute paths on AutostartCondition
    
    This allows specifying in AutostartCondition paths to files that
    we would like to monitor outside the user's config directory by
    using absolute paths.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777994

 gnome-session/gsm-autostart-app.c |   18 ++++++++++++------
 1 files changed, 12 insertions(+), 6 deletions(-)
---
diff --git a/gnome-session/gsm-autostart-app.c b/gnome-session/gsm-autostart-app.c
index 1dc3ba3..870b151 100644
--- a/gnome-session/gsm-autostart-app.c
+++ b/gnome-session/gsm-autostart-app.c
@@ -470,6 +470,14 @@ unless_session_condition_cb (GObject    *object,
         }
 }
 
+static char *
+resolve_conditional_file_path (const char *file)
+{
+        if (g_path_is_absolute (file))
+                return g_strdup (file);
+        return g_build_filename (g_get_user_config_dir (), file, NULL);
+}
+
 static void
 setup_condition_monitor (GsmAutostartApp *app)
 {
@@ -516,8 +524,7 @@ setup_condition_monitor (GsmAutostartApp *app)
                 char  *file_path;
                 GFile *file;
 
-                file_path = g_build_filename (g_get_user_config_dir (), key, NULL);
-
+                file_path = resolve_conditional_file_path (key);
                 disabled = !g_file_test (file_path, G_FILE_TEST_EXISTS);
 
                 file = g_file_new_for_path (file_path);
@@ -533,8 +540,7 @@ setup_condition_monitor (GsmAutostartApp *app)
                 char  *file_path;
                 GFile *file;
 
-                file_path = g_build_filename (g_get_user_config_dir (), key, NULL);
-
+                file_path = resolve_conditional_file_path (key);
                 disabled = g_file_test (file_path, G_FILE_TEST_EXISTS);
 
                 file = g_file_new_for_path (file_path);
@@ -835,13 +841,13 @@ is_conditionally_disabled (GsmApp *app)
         if (kind == GSM_CONDITION_IF_EXISTS) {
                 char *file_path;
 
-                file_path = g_build_filename (g_get_user_config_dir (), key, NULL);
+                file_path = resolve_conditional_file_path (key);
                 disabled = !g_file_test (file_path, G_FILE_TEST_EXISTS);
                 g_free (file_path);
         } else if (kind == GSM_CONDITION_UNLESS_EXISTS) {
                 char *file_path;
 
-                file_path = g_build_filename (g_get_user_config_dir (), key, NULL);
+                file_path = resolve_conditional_file_path (key);
                 disabled = g_file_test (file_path, G_FILE_TEST_EXISTS);
                 g_free (file_path);
 #ifdef HAVE_GCONF