# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 1684454863 25200
# Node ID b361e9da3c3bf43821415e5111583eb1811445aa
# Parent  027481f19944520bd0f2a4a29e21ad072396c45c
exchange: allow passing no includes/excludes to `pull()`

I would expect that `exchange.pull(includepats=[])` results in an empty list of
include patterns to be passed to the remote, but it doesn't currently because we
check for any truthy value instead of checking specifically for `not None`.

diff -r 027481f19944 -r b361e9da3c3b mercurial/exchange.py
--- a/mercurial/exchange.py	Tue May 16 12:31:07 2023 +0200
+++ b/mercurial/exchange.py	Thu May 18 17:07:43 2023 -0700
@@ -1637,7 +1637,7 @@
 
     # We allow the narrow patterns to be passed in explicitly to provide more
     # flexibility for API consumers.
-    if includepats or excludepats:
+    if includepats is not None or excludepats is not None:
         includepats = includepats or set()
         excludepats = excludepats or set()
     else: