docs: Use ZULIP_VERSION.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>

docs/conf.py

@@ -13,6 +13,7 @@
 # serve to show the default.
 
 import os
+import sys
 
 from typing import Any, Dict, List, Optional
 
@@ -21,6 +22,9 @@ from typing import Any, Dict, List, Optional
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #sys.path.insert(0, os.path.abspath('.'))
 
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
+from version import ZULIP_VERSION
+
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -52,9 +56,9 @@ author = 'The Zulip Team'
 # built documents.
 #
 # The short X.Y version.
-version = '2.0+git'
+version = ZULIP_VERSION
 # The full version, including alpha/beta/rc tags.
-release = '2.0.7+git'
+release = ZULIP_VERSION
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

docs/subsystems/release-checklist.md

@@ -34,8 +34,6 @@ preparing a new release.
 * Do final updates to `changelog.md`, for any final changes and with
   any revisions from the draft blog post.  (And the date!)
 * Update `ZULIP_VERSION`, `LATEST_RELEASE_VERSION`, etc. in `version.py`.
-* Update `version` and/or `release` in `docs/conf.py` (ReadTheDocs meta tags).
-  Leave "+git" off.
 * Use `build-release-tarball` to generate a final release tarball.
 * Post the release tarball on https://www.zulip.org/dist/releases/ :
   add the file, update the `zulip-server-latest.tar.gz` symlink, and