From 17d6fa34486b3a1ac88960c7e911c045d4645500 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Thu, 29 Sep 2022 17:42:47 -0500
Subject: [Apps:Mail] Re-run and disable original Thunderbird locales via the
 profile ui migration in prep for support of community-contributed language
 packs when Ascendant fully lands.

Language Pack policy will have to be established so once we take advantage of the fact that we have easy en-US generation without the former MozNonsense so we can support community-supplied locales or our own.

Though I am not entirely optimistic of the long term sustainability of language packs without either a team to produce them or users with true dedication to their contributed locale. But we shall see!
---
 apps/mail/modules/mailMigrator.js | 40 ++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/apps/mail/modules/mailMigrator.js b/apps/mail/modules/mailMigrator.js
index 151735221..ee42756d6 100644
--- a/apps/mail/modules/mailMigrator.js
+++ b/apps/mail/modules/mailMigrator.js
@@ -378,25 +378,6 @@ var MailMigrator = {
         }
       }
 
-      // Interlink doesn't support langpacks so we need to reset the UI lang pref
-      if (currentUIVersion < 16) {
-        Services.prefs.clearUserPref("general.useragent.locale");
-
-        var disableLangPacks16 = function() {
-          Cu.import("resource://gre/modules/AddonManager.jsm");
-
-          function disableAddons(aAddons) {
-            for each(let addon in aAddons) {
-              addon.userDisabled = true;
-            }
-          }
-
-          AddonManager.getAddonsByTypes(['locale'], disableAddons);
-        }
-
-        disableLangPacks16();
-      }
-
       // UXP Milestone NOT-29 changed the prefs regarding HWA so in true comm style
       // steal the UI migration code from the defacto browser and proofread it for
       // god damned fucking typos that kill the everything
@@ -418,6 +399,27 @@ var MailMigrator = {
         Services.prefs.clearUserPref("media.hardware-video-decoding.failed");
       }
 
+      // Interlink doesn't support the original Thunderbird locales (the strings don't match
+      // so the result would be entity errors all over the place. Luckily this is a runonce
+      // that won't impact the future.
+      if (currentUIVersion < 20) {
+        Services.prefs.clearUserPref("general.useragent.locale");
+
+        var disableLocales20 = function() {
+          Cu.import("resource://gre/modules/AddonManager.jsm");
+
+          function disableAddons(aAddons) {
+            for each(let addon in aAddons) {
+              addon.userDisabled = true;
+            }
+          }
+
+          AddonManager.getAddonsByTypes(['locale'], disableAddons);
+        }
+
+        disableLocales20();
+      }
+
       // Update the migration version.
       Services.prefs.setIntPref(UI_VERSION_PREF, UI_VERSION);
 
-- 
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