extensionSystem: Don't load an extension with invalid stylesheet

We currently assign the stylesheet to an extension whenever the file exists,
regardless of whether it actually loaded successfully or not.
And thus we load an extension that ships a stylesheet even if that file can't
be used.

There is no point in trying to load an extension if its stylesheet wasn't
loaded in the first place, so make sure this happens only on success.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/188


(cherry picked from commit 5b3ff7184e)
This commit is contained in:
Marco Trevisan (Treviño) 2018-08-03 15:46:27 +00:00 committed by Marco Trevisan
parent 7dbcd26619
commit 73649a0d6a

View File

@ -115,13 +115,18 @@ function enableExtension(uuid) {
extensionOrder.push(uuid);
let stylesheetNames = [global.session_mode + '.css', 'stylesheet.css'];
let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
for (let i = 0; i < stylesheetNames.length; i++) {
let stylesheetFile = extension.dir.get_child(stylesheetNames[i]);
if (stylesheetFile.query_exists(null)) {
let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
try {
let stylesheetFile = extension.dir.get_child(stylesheetNames[i]);
theme.load_stylesheet(stylesheetFile);
extension.stylesheet = stylesheetFile;
break;
} catch (e) {
if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND))
continue; // not an error
log(`Failed to load stylesheet for extension ${uuid}: ${e.message}`);
return;
}
}