Bash-4.4 Official Patch 23

[Chet Ramey]

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

Bash-Release:   4.4
Patch-ID:       bash44-023

Bug-Reported-by:        Martijn Dekker <martijn@inlv.org>
Bug-Reference-ID:       <5326d6b9-2625-1d32-3e6e-ad1d15462c09@inlv.org>
Bug-Reference-URL:      
http://lists.gnu.org/archive/html/bug-bash/2016-11/msg00041.html

Bug-Description:

When sourcing a file from an interactive shell, setting the SIGINT handler
to the default and typing ^C will cause the shell to exit.

Patch (apply with `patch -p0'):

*** ../bash-4.4-patched/builtins/trap.def       2016-01-25 13:32:38.000000000 
-0500
--- builtins/trap.def   2016-11-06 12:04:35.000000000 -0500
***************
*** 99,102 ****
--- 99,103 ----
  
  extern int posixly_correct, subshell_environment;
+ extern int sourcelevel, running_trap;
  
  int
***************
*** 213,216 ****
--- 214,220 ----
                        if (interactive)
                          set_signal_handler (SIGINT, sigint_sighandler);
+                       /* special cases for interactive == 0 */
+                       else if (interactive_shell && 
(sourcelevel||running_trap))
+                         set_signal_handler (SIGINT, sigint_sighandler);
                        else
                          set_signal_handler (SIGINT, termsig_sighandler);
*** ../bash-4.4/patchlevel.h    2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h        2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 22
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 23
  
  #endif /* _PATCHLEVEL_H_ */

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/