From 6a7054d12d1177184ed20f1d2263eef476d25b8f Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Fri, 20 Dec 2013 11:22:53 -0500
Subject: [PATCH 10/19] Allow saved-session directory to be a symlink
This gives us the option of adding a rudimentary session
chooser later.
---
gnome-session/gsm-session-save.c | 36 ++++++++++++++++++++++++++++++------
gnome-session/gsm-util.c | 6 ------
2 files changed, 30 insertions(+), 12 deletions(-)
diff --git a/gnome-session/gsm-session-save.c b/gnome-session/gsm-session-save.c
index eebc5ff1..66914b57 100644
--- a/gnome-session/gsm-session-save.c
+++ b/gnome-session/gsm-session-save.c
@@ -148,67 +148,91 @@ gsm_session_save (GsmStore *client_store,
* one shot only)
*/
settings = g_settings_new (GSM_MANAGER_SCHEMA);
g_settings_set_boolean (settings, KEY_AUTOSAVE_ONE_SHOT, FALSE);
g_object_unref (settings);
save_dir = gsm_util_get_saved_session_dir ();
if (save_dir == NULL) {
g_warning ("GsmSessionSave: cannot create saved session directory");
return;
}
tmp_dir = gsm_util_get_empty_tmp_session_dir ();
if (tmp_dir == NULL) {
g_warning ("GsmSessionSave: cannot create new saved session directory");
return;
}
/* save the session in a temp directory, and remember the discard
* commands */
data.dir = tmp_dir;
data.discard_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
data.error = error;
gsm_store_foreach (client_store,
(GsmStoreFunc) save_one_client,
&data);
if (!*error) {
- /* remove the old saved session */
- gsm_session_clear_saved_session (save_dir, data.discard_hash);
+ char *session_dir;
- /* rename the temp session dir */
- if (g_file_test (save_dir, G_FILE_TEST_IS_DIR))
- g_rmdir (save_dir);
- g_rename (tmp_dir, save_dir);
+ if (g_file_test (save_dir, G_FILE_TEST_IS_SYMLINK))
+ session_dir = g_file_read_link (save_dir, error);
+ else
+ session_dir = g_strdup (save_dir);
+
+ if (session_dir != NULL) {
+
+ char *absolute_session_dir;
+
+ if (g_path_is_absolute (session_dir)) {
+ absolute_session_dir = g_strdup (session_dir);
+ } else {
+ char *parent_dir;
+
+ parent_dir = g_path_get_dirname (save_dir);
+ absolute_session_dir = g_build_filename (parent_dir, session_dir, NULL);
+ g_free (parent_dir);
+ }
+ g_free (session_dir);
+
+ /* remove the old saved session */
+ gsm_session_clear_saved_session (absolute_session_dir, data.discard_hash);
+
+ if (g_file_test (absolute_session_dir, G_FILE_TEST_IS_DIR))
+ g_rmdir (absolute_session_dir);
+ g_rename (tmp_dir, absolute_session_dir);
+
+ g_free (absolute_session_dir);
+ }
} else {
g_warning ("GsmSessionSave: error saving session: %s", (*error)->message);
/* FIXME: we should create a hash table filled with the discard
* commands that are in desktop files from save_dir. */
gsm_session_clear_saved_session (tmp_dir, NULL);
g_rmdir (tmp_dir);
}
g_hash_table_destroy (data.discard_hash);
g_free (tmp_dir);
}
static gboolean
gsm_session_clear_one_client (const char *filename,
GHashTable *discard_hash)
{
gboolean result = TRUE;
GKeyFile *key_file;
char *discard_exec = NULL;
char **envp;
g_debug ("GsmSessionSave: removing '%s' from saved session", filename);
envp = (char **) gsm_util_listenv ();
key_file = g_key_file_new ();
if (g_key_file_load_from_file (key_file, filename,
G_KEY_FILE_NONE, NULL)) {
char **argv;
int argc;
diff --git a/gnome-session/gsm-util.c b/gnome-session/gsm-util.c
index 13f674cb..e30cf912 100644
--- a/gnome-session/gsm-util.c
+++ b/gnome-session/gsm-util.c
@@ -71,69 +71,63 @@ gsm_util_find_desktop_file_for_app_name (const char *name,
g_debug ("GsmUtil: found in XDG dirs: '%s'", app_path);
}
/* look for gnome vendor prefix */
if (app_path == NULL) {
g_free (desktop_file);
desktop_file = g_strdup_printf ("gnome-%s.desktop", name);
g_key_file_load_from_dirs (key_file,
desktop_file,
(const char **) app_dirs,
&app_path,
G_KEY_FILE_NONE,
NULL);
if (app_path != NULL) {
g_debug ("GsmUtil: found in XDG dirs: '%s'", app_path);
}
}
g_free (desktop_file);
g_key_file_free (key_file);
g_strfreev (app_dirs);
return app_path;
}
static gboolean
ensure_dir_exists (const char *dir)
{
- if (g_file_test (dir, G_FILE_TEST_IS_DIR))
- return TRUE;
-
if (g_mkdir_with_parents (dir, 0755) == 0)
return TRUE;
- if (errno == EEXIST)
- return g_file_test (dir, G_FILE_TEST_IS_DIR);
-
g_warning ("GsmSessionSave: Failed to create directory %s: %s", dir, strerror (errno));
return FALSE;
}
gchar *
gsm_util_get_empty_tmp_session_dir (void)
{
char *tmp;
gboolean exists;
tmp = g_build_filename (g_get_user_config_dir (),
"gnome-session",
"saved-session.new",
NULL);
exists = ensure_dir_exists (tmp);
if (G_UNLIKELY (!exists)) {
g_warning ("GsmSessionSave: could not create directory for saved session: %s", tmp);
g_free (tmp);
return NULL;
} else {
/* make sure it's empty */
GDir *dir;
const char *filename;
dir = g_dir_open (tmp, 0, NULL);
if (dir) {
while ((filename = g_dir_read_name (dir))) {
--
2.12.0