Bash-5.2 official patch 8

[Chet Ramey]

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

Bash-Release:   5.2
Patch-ID:       bash52-008

Bug-Reported-by:        Glenn Jackman <glenn.jackman@gmail.com>
Bug-Reference-ID:       
<CAFC8ewQDx7hzNJzveuJ5o4FWo=ij7MzckiJVN_6NXjp504QZeg@mail.gmail.com>
Bug-Reference-URL:      
https://lists.gnu.org/archive/html/bug-bash/2022-10/msg00095.html

Bug-Description:

Array subscript expansion can inappropriately quote brackets if the expression
contains < or >.

Patch (apply with `patch -p0'):

*** ../bash-20221015/subst.c    2022-10-18 10:47:33.000000000 -0500
--- subst.c     2022-10-20 11:41:07.000000000 -0500
***************
*** 3820,3823 ****
--- 3820,3827 ----
  #endif
  
+ /* We don't perform process substitution in arithmetic expressions, so don't
+    bother checking for it. */
+ #define ARITH_EXP_CHAR(s) (s == '$' || s == '`' || s == CTLESC || s == '~')
+ 
  /* If there are any characters in STRING that require full expansion,
     then call FUNC to expand STRING; otherwise just perform quote
***************
*** 4029,4033 ****
    while (string[i])
      {
!       if (EXP_CHAR (string[i]))
        break;
        else if (string[i] == '\'' || string[i] == '\\' || string[i] == '"')
--- 4033,4037 ----
    while (string[i])
      {
!       if (ARITH_EXP_CHAR (string[i]))
        break;
        else if (string[i] == '\'' || string[i] == '\\' || string[i] == '"')
*** ../bash-5.2/patchlevel.h    2020-06-22 14:51:03.000000000 -0400
--- patchlevel.h        2020-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 7
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 8
  
  #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/