From e57e255d3a138efee5c3c25645af0982e582cb9a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 9 Mar 2021 11:50:39 +0530
Subject: [PATCH] Fix #1918153 [[Enhancement] Remember language when going to
 the calibre homepage from the User
 Manual](https://bugs.launchpad.net/calibre/+bug/1918153)

---
 manual/conf.py              | 4 +++-
 manual/templates/about.html | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/manual/conf.py b/manual/conf.py
index 81aa89da0f..4c929f5874 100644
--- a/manual/conf.py
+++ b/manual/conf.py
@@ -93,7 +93,8 @@ unused_docs = ['global', 'cli/global']
 
 locale_dirs = ['locale/']
 title = '%s User Manual' % __appname__
-if language not in {'en', 'eng'}:
+needs_localization = language not in {'en', 'eng'}
+if needs_localization:
     import gettext
     try:
         t = gettext.translation('simple_index', locale_dirs[0], [language])
@@ -174,6 +175,7 @@ def sort_languages(x):
 html_context['other_languages'].sort(key=sort_languages)
 html_context['support_text'] = _('Support calibre')
 html_context['support_tooltip'] = _('Contribute to support calibre development')
+html_context['homepage_url'] = 'http://calibre-ebook.com' + (f'/{language}' if needs_localization else '')
 del sort_languages, get_language
 
 epub_author      = u'Kovid Goyal'
diff --git a/manual/templates/about.html b/manual/templates/about.html
index 22dcfed68a..de7f3ed327 100644
--- a/manual/templates/about.html
+++ b/manual/templates/about.html
@@ -7,7 +7,7 @@ function toggle_languages_menu() {
 </script>
 
 <div style="text-align: center">
-    <a href="https://calibre-ebook.com" title="calibre homepage" id="calibre-homepage-logo"><img src="{{ pathto('_static/logo.png', 1) }}" /></a>
+    <a href="{{ homepage_url }}" title="calibre homepage" id="calibre-homepage-logo"><img src="{{ pathto('_static/logo.png', 1) }}" /></a>
     <br/>
     <form id="donate_form" action="https://www.paypal.com/cgi-bin/webscr" method="post" title="{{ support_tooltip }}">
 <style>