diff mercurial/configitems.py @ 38038:8c828beb7543 stable

lock: add internal config to not replace signal handlers while locking

signal.signal() is blocked in some WSGI environments, and a horrible warning
is sent to the server log. So we need a way to disable it, and I think
abusing ui.config is the simplest workaround.

--- a/mercurial/configitems.py	Tue May 22 21:51:20 2018 -0400
+++ b/mercurial/configitems.py	Fri May 18 21:24:06 2018 +0900
@@ -1127,6 +1127,9 @@
 coreconfigitem('ui', 'rollback',
     default=True,
 )
+coreconfigitem('ui', 'signal-safe-lock',
+    default=True,
+)
 coreconfigitem('ui', 'slash',
     default=False,
 )