diff tests/test-merge-tools.t @ 46417:768056549737

errors: use exit code 40 for when a hook fails

A hook can be used for checking inputs, state, configuration,
security, etc., so it's unclear which of the existing exit codes to
use. Let's instead add one specifically for failed hooks. I picked 40.

Differential Revision: https://phab.mercurial-scm.org/D9910

--- a/tests/test-merge-tools.t	Fri Jan 29 12:50:10 2021 -0500
+++ b/tests/test-merge-tools.t	Fri Jan 29 12:16:55 2021 -0800
@@ -377,7 +377,7 @@
   merging f
   some fail message
   abort: $TESTTMP/mybrokenmerge.py hook failed
-  [255]
+  [40]
   $ aftermerge
   # cat f
   revision 1