From 0034dcb9414977fb4e058342c16b6d4fd801bcd6 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Tue, 12 Oct 2021 20:26:57 +0300
Subject: [PATCH] preserve installationUrl

---
 background/style-manager.js | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/background/style-manager.js b/background/style-manager.js
index 9a92d2ff..b0e3b649 100644
--- a/background/style-manager.js
+++ b/background/style-manager.js
@@ -512,13 +512,16 @@ const styleMan = (() => {
       res = style.md5Url = url.replace('update.update.userstyles', 'update.userstyles');
     }
     /* Default homepage URL for external styles installed from a known distro */
-    if ((url = style.updateUrl) && (url =
-      URLS.extractGreasyForkInstallUrl(url) ||
-      URLS.extractUsoArchiveInstallUrl(url) ||
-      URLS.extractUSwInstallUrl(url)
-    )) {
+    if (
+      (!style.url || !style.installationUrl) &&
+      (url = style.updateUrl) &&
+      (url = URLS.extractGreasyForkInstallUrl(url) ||
+        URLS.extractUsoArchiveInstallUrl(url) ||
+        URLS.extractUSwInstallUrl(url)
+      )
+    ) {
       if (!style.url) res = style.url = url;
-      if (style.installationUrl !== url) res = style.installationUrl = url;
+      if (!style.installationUrl) res = style.installationUrl = url;
     }
     return Boolean(res);
   }