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at 2025-08-05T15:32:09+00:00

fixup! BB 42583: Modify moz-support-link for Base Browser.

TB 43864: Move moz-support-link "preferences" patch to base-browser.

(cherry picked from commit be0e53370b89b47cebec8bdc38a3c2385773f249)

Co-authored-by: Henry Wilkes <henry@torproject.org>

@@ -125,6 +125,22 @@ export default class MozSupportLink extends HTMLAnchorElement {
        return;
+     }
      let supportPage = this.getAttribute("support-page") ?? "";
 +    // For base-browser we sometimes want to override firefox support links with
 +    // our own.
 +    // See tor-browser#40899.
 +    switch (supportPage) {
 +      case "preferences":
 +        // Shown twice in preferences, both as `{ -brand-short-name } Support`.
 +        // Instead of directing to support for preferences, we link to general
 +        // tor browser support.
 +        // See tor-browser#32092.
 +        this.href = Services.prefs.getStringPref(
 +          "browser.base-browser-support-url",
 +          ""
 +        );
 +        return;
 +      // Fall through to support.mozilla.org
 +    }
      let base = MozSupportLink.SUPPORT_URL + supportPage;
      this.href = this.hasAttribute("utm-content")
        ? formatUTMParams(this.getAttribute("utm-content"), base)