botamusique: Backport fix for invalid version handling

diff --git a/mumbleBot.py b/mumbleBot.py

index 11bc480..7395f41 100644

--- a/mumbleBot.py

+++ b/mumbleBot.py

@@ -188,11 +188,14 @@ class MumbleBot:

             th.start()

         last_startup_version = var.db.get("bot", "version", fallback=None)

-        if not last_startup_version or version.parse(last_startup_version) < version.parse(self.version):

-            var.db.set("bot", "version", self.version)

-            if var.config.getboolean("bot", "auto_check_update"):

-                changelog = util.fetch_changelog()

-                self.send_channel_msg(tr("update_successful", version=self.version, changelog=changelog))

+        try:

+            if not last_startup_version or version.parse(last_startup_version) < version.parse(self.version):

+                var.db.set("bot", "version", self.version)

+                if var.config.getboolean("bot", "auto_check_update"):

+                    changelog = util.fetch_changelog()

+                    self.send_channel_msg(tr("update_successful", version=self.version, changelog=changelog))

+        except version.InvalidVersion:

+            pass

     # Set the CTRL+C shortcut

     def ctrl_caught(self, signal, frame):

{ lib

, stdenv

, fetchFromGitHub

, fetchpatch

, python3Packages

, ffmpeg

, makeWrapper

    # We can't update the package at runtime with NixOS, so this patch makes

    # the !update command mention that

    ./no-runtime-update.patch

    # Fix passing of invalid "git" version into version.parse, which results

    # in an InvalidVersion exception. The upstream fix is insufficient, so

    # we carry the correct patch downstream for now.

    ./catch-invalid-versions.patch

  ];

  postPatch = ''