--- a/mercurial/ui.py Wed Apr 13 14:37:57 2022 -0400
+++ b/mercurial/ui.py Wed Apr 13 15:02:01 2022 -0400
@@ -1432,6 +1432,14 @@
# HGPLAINEXCEPT=pager, and the user didn't specify --debug.
return
+ # py2exe doesn't appear to be able to use legacy I/O, and nothing is
+ # output to the pager for paged commands. Piping to `more` in cmd.exe
+ # works, but is easy to forget. Just disable pager for py2exe, but
+ # leave it working for pyoxidizer and exewrapper builds.
+ if pycompat.iswindows and getattr(sys, "frozen", None) == "console_exe":
+ self.debug(b"pager is unavailable with py2exe packaging\n")
+ return
+
pagercmd = self.config(b'pager', b'pager', rcutil.fallbackpager)
if not pagercmd:
return