| #include "files.h" |
| |
| #include <memory> |
| #include "config.h" |
| #include <unistd.h> // to create symlinks |
| #include <errno.h> |
| #include <glib/gstdio.h> // for glib file utils |
| #include <string.h> |
| |
| void |
| autostart_symlink(gboolean autostart) |
| { |
| /* autostart is enabled by creating a symlink to gnome-ring.desktop in |
| * $XDG_CONFIG_HOME/autostart (by default ~/.config/autostart) |
| * and removing it to disable autostart |
| */ |
| |
| GError *error = NULL; |
| gchar *autostart_path = g_strconcat(g_get_user_config_dir(), "/autostart/gnome-ring.desktop", NULL); |
| |
| if (autostart) { |
| g_debug("enabling autostart"); |
| |
| gchar *desktop_path = NULL; |
| /* find where the .desktop file is by checking the following dirs in order |
| * - /usr/<data dir> |
| * - /usr/local/<data dir> |
| * - install data dir (check this last, as it might not be where the |
| * bin is actually isntalled on the system) |
| * |
| * note: no point in checking the local bin dir, even if the .desktop is |
| * there, if the binary is not installed on the system, the .desktop will |
| * not find it |
| */ |
| int num_paths = 3; |
| gchar *desktop_paths[num_paths]; |
| desktop_paths[0] = g_strconcat("/usr", RING_DATA_DIR, "/gnome-ring.desktop", NULL); |
| desktop_paths[1] = g_strconcat("/usr/local", RING_DATA_DIR, "/gnome-ring.desktop", NULL); |
| desktop_paths[2] = g_strconcat(RING_CLIENT_INSTALL, RING_DATA_DIR, "/gnome-ring.desktop", NULL); |
| |
| for (int i = 0; i < num_paths && !desktop_path; ++i) { |
| g_debug("checking %s", desktop_paths[i]); |
| if (g_file_test(desktop_paths[i], G_FILE_TEST_IS_REGULAR)) |
| desktop_path = desktop_paths[i]; |
| } |
| |
| if (!desktop_path) { |
| /* could not find where the .desktop is... default to the install one */ |
| desktop_path = desktop_paths[1]; |
| g_warning("cannot locate '%s', will try to create a symlink to it anyways", desktop_path); |
| } |
| |
| /* we want autostart_path to be a symlink to the current desktop_path |
| * if it is not, delete it and create one */ |
| |
| gboolean symlink_to_desktop = FALSE; |
| if (g_file_test(autostart_path, G_FILE_TEST_IS_SYMLINK)) { |
| /* is symlink, check if its to the right file */ |
| gchar *current_link = g_file_read_link(autostart_path, &error); |
| if (error) { |
| g_warning("could not read contents of symlink '%s': %s",autostart_path, error->message); |
| g_clear_error(&error); |
| } |
| |
| /* compare even if error occurs, as function handles nullptr */ |
| if (g_strcmp0(current_link, desktop_path) == 0) { |
| g_debug("'%s' is already a symlink to '%s'", autostart_path, desktop_path); |
| symlink_to_desktop = TRUE; |
| } else { |
| g_debug("'%s' exists but does not point to '%s', instead: '%s'", autostart_path, desktop_path, current_link); |
| |
| /* we need to delete it */ |
| if (g_remove(autostart_path) != 0) { |
| g_warning("could not remove '%s'", autostart_path); |
| } |
| } |
| g_free(current_link); |
| } |
| |
| if (!symlink_to_desktop) { |
| g_debug("creating symlink"); |
| |
| /* make sure the directory exists */ |
| gchar *autostart_dir = g_strconcat(g_get_user_config_dir(), "/autostart", NULL); |
| if (g_mkdir_with_parents(autostart_dir, 0700) != 0) |
| g_warning("'%s' dir doesn't exist and could not be created", autostart_dir); |
| g_free(autostart_dir); |
| |
| if (symlink(desktop_path, autostart_path) != 0) { |
| g_warning("could not create symlink: %s", strerror(errno)); |
| } |
| } |
| |
| for (int i = 0; i < num_paths; ++i) { |
| g_free(desktop_paths[i]); |
| } |
| } else { |
| g_debug("disabling autostart"); |
| /* need to remove symlink or .desktop, if it exists |
| * G_FILE_TEST_IS_REGULAR will test for both file and symlink, since it |
| * follows symlinks */ |
| if (g_file_test(autostart_path, G_FILE_TEST_IS_REGULAR)) { |
| g_debug("'%s' exists, removing", autostart_path); |
| |
| if (g_remove(autostart_path) != 0) { |
| g_warning("could not remove '%s'", autostart_path); |
| } |
| } else { |
| g_debug("'%s' doesn't exist, nothing to do", autostart_path); |
| } |
| |
| } |
| g_free(autostart_path); |
| } |
| |
| GSettingsSchema * |
| get_ring_schema() |
| { |
| static std::unique_ptr<GSettingsSchema, decltype(g_settings_schema_unref )&> |
| ring_schema(nullptr, g_settings_schema_unref); |
| |
| if (ring_schema.get() == nullptr) { |
| GSettingsSchema *schema = NULL; |
| |
| /* find gschema.compiled by checking the following dirs in order: |
| * - current bin dir |
| * - install data dir |
| * - default dir |
| * note that the install and default dir may be the same |
| */ |
| GError *error = NULL; |
| |
| /* try local first */ |
| g_debug("looking for schema locally"); |
| gchar *schema_dir_local = g_strconcat(".", NULL); |
| GSettingsSchemaSource *schema_source_local = NULL; |
| schema_source_local = g_settings_schema_source_new_from_directory( |
| schema_dir_local, |
| g_settings_schema_source_get_default(), |
| FALSE, |
| &error); |
| |
| if (!error) { |
| schema = g_settings_schema_source_lookup(schema_source_local, |
| RING_CLIENT_APP_ID, |
| TRUE); |
| g_settings_schema_source_unref(schema_source_local); |
| } else { |
| g_debug("error looking up ring schema locally: %s", error->message); |
| g_clear_error(&error); |
| } |
| g_free(schema_dir_local); |
| |
| if (!schema) { |
| /* try install dir */ |
| g_debug("looking for schema in insall dir"); |
| gchar *schema_dir_install = g_strconcat(RING_CLIENT_INSTALL, "/share/glib-2.0/schemas", NULL); |
| GSettingsSchemaSource *schema_source_install = NULL; |
| schema_source_install = g_settings_schema_source_new_from_directory( |
| schema_dir_install, |
| g_settings_schema_source_get_default(), |
| TRUE, |
| &error); |
| |
| if (!error) { |
| schema = g_settings_schema_source_lookup(schema_source_install, |
| RING_CLIENT_APP_ID, |
| TRUE); |
| g_settings_schema_source_unref(schema_source_install); |
| } else { |
| g_debug("error looking up ring schema in install dir: %s", error->message); |
| g_clear_error(&error); |
| } |
| g_free(schema_dir_install); |
| } |
| |
| if (!schema) { |
| /* try default dir */ |
| g_debug("looking for schema in default dir"); |
| |
| schema = g_settings_schema_source_lookup(g_settings_schema_source_get_default(), |
| RING_CLIENT_APP_ID, |
| TRUE); |
| } |
| ring_schema.reset(schema); |
| } |
| |
| return ring_schema.get(); |
| } |