Bug 33402: Set app.update.url for nightly

projects/firefox/build

@@ -112,6 +112,8 @@ fi
   # Add nightly mar signing key (#33403)
   cp $rootdir/nightly-marsigner.der toolkit/mozapps/update/updater/nightly_aurora_level3_primary.der
   cp $rootdir/nightly-marsigner.der toolkit/mozapps/update/updater/nightly_aurora_level3_secondary.der
+  # Set app.update.url for nightly (#33402)
+  sed -i 's|pref("app\.update\.url",.*|pref("app.update.url", "https://nightlies.tbb.torproject.org/nightly-updates/updates/nightly-[% c("var/osname") %]/%CHANNEL%/%BUILD_TARGET%/%VERSION%/%LOCALE%");|' browser/app/profile/firefox.js
 [% END -%]
 
 rm -f configure