From 6f89598a7bc079179a375910750280d206e228dd Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Mon, 5 Oct 2020 13:02:21 +0400
Subject: [PATCH] Clean old attempts to register url scheme on scheme
 registration

---
 .../platform/linux/specific_linux.cpp         | 33 ++++++++++++++++---
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/Telegram/SourceFiles/platform/linux/specific_linux.cpp b/Telegram/SourceFiles/platform/linux/specific_linux.cpp
index 50e1dcdd5..85347bf55 100644
--- a/Telegram/SourceFiles/platform/linux/specific_linux.cpp
+++ b/Telegram/SourceFiles/platform/linux/specific_linux.cpp
@@ -1423,13 +1423,13 @@ void RegisterCustomScheme(bool force) {
 
 	GError *error = nullptr;
 
-	const auto actualCommandlineBuilder = qsl("%1 --")
+	const auto neededCommandlineBuilder = qsl("%1 --")
 		.arg((IsStaticBinary() || InAppImage())
 			? cExeDir() + cExeName()
 			: cExeName());
 
-	const auto actualCommandline = qsl("%1 %u")
-		.arg(actualCommandlineBuilder);
+	const auto neededCommandline = qsl("%1 %u")
+		.arg(neededCommandlineBuilder);
 
 	auto currentAppInfo = g_app_info_get_default_for_type(
 		kHandlerTypeName.utf8(),
@@ -1441,13 +1441,36 @@ void RegisterCustomScheme(bool force) {
 
 		g_object_unref(currentAppInfo);
 
-		if (currentCommandline == actualCommandline) {
+		if (currentCommandline == neededCommandline) {
 			return;
 		}
 	}
 
+	auto registeredAppInfoList = g_app_info_get_recommended_for_type(
+		kHandlerTypeName.utf8());
+
+	for (auto l = registeredAppInfoList; l != nullptr; l = l->next) {
+		const auto currentRegisteredAppInfo = reinterpret_cast<GAppInfo*>(
+			l->data);
+
+		const auto currentAppInfoId = QString(
+			g_app_info_get_id(currentRegisteredAppInfo));
+
+		const auto currentCommandline = QString(
+			g_app_info_get_commandline(currentRegisteredAppInfo));
+
+		if (currentCommandline == neededCommandline
+			&& currentAppInfoId.startsWith(qsl("userapp-"))) {
+			g_app_info_delete(currentRegisteredAppInfo);
+		}
+	}
+
+	if (registeredAppInfoList) {
+		g_list_free_full(registeredAppInfoList, g_object_unref);
+	}
+
 	auto newAppInfo = g_app_info_create_from_commandline(
-		actualCommandlineBuilder.toUtf8(),
+		neededCommandlineBuilder.toUtf8(),
 		AppName.utf8(),
 		G_APP_INFO_CREATE_SUPPORTS_URIS,
 		&error);