src/patches/bash/bash50-012

   1                              BASH PATCH REPORT
   2                              =================
   3
   4 Bash-Release:   5.0
   5 Patch-ID:       bash50-012
   6
   7 Bug-Reported-by:        lessbug@qq.com
   8 Bug-Reference-ID:       <tencent_6AA531D9A5CC4121D86BD5CDA2E0DA98C605@qq.com>
   9 Bug-Reference-URL:
  10
  11 Bug-Description:
  12
  13 When using previous-history to go back beyond the beginning of the history list,
  14 it's possible to move to an incorrect partial line.
  15
  16 Patch (apply with `patch -p0'):
  17
  18 *** ../bash-5.0-patched/lib/readline/misc.c     2017-07-07 17:30:12.000000000 -0400
  19 --- lib/readline/misc.c 2019-05-16 11:43:46.000000000 -0400
  20 ***************
  21 *** 577,580 ****
  22 --- 590,594 ----
  23   {
  24     HIST_ENTRY *old_temp, *temp;
  25 +   int had_saved_line;
  26
  27     if (count < 0)
  28 ***************
  29 *** 589,592 ****
  30 --- 603,607 ----
  31
  32     /* If we don't have a line saved, then save this one. */
  33 +   had_saved_line = _rl_saved_line_for_history != 0;
  34     rl_maybe_save_line ();
  35
  36 ***************
  37 *** 612,616 ****
  38     if (temp == 0)
  39       {
  40 !       rl_maybe_unsave_line ();
  41         rl_ding ();
  42       }
  43 --- 627,632 ----
  44     if (temp == 0)
  45       {
  46 !       if (had_saved_line == 0)
  47 !         _rl_free_saved_history_line ();
  48         rl_ding ();
  49       }
  50 *** ../bash-5.0/patchlevel.h    2016-06-22 14:51:03.000000000 -0400
  51 --- patchlevel.h        2016-10-01 11:01:28.000000000 -0400
  52 ***************
  53 *** 26,30 ****
  54      looks for to find the patch level (for the sccs version string). */
  55
  56 ! #define PATCHLEVEL 11
  57
  58   #endif /* _PATCHLEVEL_H_ */
  59 --- 26,30 ----
  60      looks for to find the patch level (for the sccs version string). */
  61
  62 ! #define PATCHLEVEL 12
  63
  64   #endif /* _PATCHLEVEL_H_ */