From 57448935d45ecce2d0dbdfb05f6a5a18b4b4cd22 Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Mon, 19 Dec 2022 19:24:36 -0500
Subject: [PATCH] DOC: restore SHA to footer

---
 doc/conf.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/conf.py b/doc/conf.py
index dd7ba1cebf9e..78ceeb37a5b1 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -270,6 +270,11 @@ def gallery_image_warning_filter(record):
 except (subprocess.CalledProcessError, FileNotFoundError):
     SHA = matplotlib.__version__
 
+
+html_context = {
+    "doc_version": SHA,
+}
+
 project = 'Matplotlib'
 copyright = (
     '2002–2012 John Hunter, Darren Dale, Eric Firing, Michael Droettboom '
@@ -404,6 +409,7 @@ def js_tag_with_cache_busting(js):
              "image_dark": "images/logo_dark.svg"},
     "navbar_end": ["theme-switcher", "version-switcher", "mpl_icon_links"],
     "secondary_sidebar_items": "page-toc.html",
+     "footer_items": ["copyright", "sphinx-version", "doc_version"],
 }
 include_analytics = is_release_build
 if include_analytics: