BASH PATCH REPORT
			     =================

Bash-Release:	4.2
Patch-ID:	bash42-023

Bug-Reported-by:	Ewan Mellor <Ewan.Mellor@eu.citrix.com>
Bug-Reference-ID:	<6005BE083BF501439A84DC3523BAC82DC4B964FD12@LONPMAILBOX01.citrite.net>
Bug-Reference-URL:	

Bug-Description:

Under some circumstances, an exit trap triggered by a bad substitution
error when errexit is enabled will cause the shell to exit with an
incorrect exit status (0).

Patch (apply with `patch -p0'):

--- a/subst.c
+++ b/subst.c
@@ -7274,6 +7274,7 @@ parameter_brace_expand (string, indexp, 
     default:
     case '\0':
     bad_substitution:
+      last_command_exit_value = EXECUTION_FAILURE;
       report_error (_("%s: bad substitution"), string ? string : "??");
       FREE (value);
       FREE (temp);
--- a/error.c
+++ b/error.c
@@ -200,7 +200,11 @@ report_error (format, va_alist)
 
   va_end (args);
   if (exit_immediately_on_error)
-    exit_shell (1);
+    {
+      if (last_command_exit_value == 0)
+	last_command_exit_value = 1;
+      exit_shell (last_command_exit_value);
+    }
 }
 
 void
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 22
+#define PATCHLEVEL 23
 
 #endif /* _PATCHLEVEL_H_ */