post_version.py: stop using non-existent functions and fix commit message

Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5928>

diff --git a/bin/post_version.py b/bin/post_version.py
index 67eec783e49cc0bb6084d3772f8ca98cff15a722..febe531eec553afa9d045c7dafdbf2725eafa277 100755 (executable)
--- a/bin/post_version.py
+++ b/bin/post_version.py
@@ -84,10 +84,9 @@ def main() -> None:
     update_calendar(args.version)
     done = 'update calendar'
 
-    if not is_release_candidate(args.version):
-        update_index(args.version)
+    if 'rc' not in args.version:
         update_release_notes(args.version)
-        done += ', add news item, and link releases notes'
+        done += ' and link releases notes'
 
     subprocess.run(['git', 'commit', '-m',
                     f'docs: {done} for {args.version}'])