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BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-012
Bug-Reported-by: lessbug@qq.com
Bug-Reference-ID: <tencent_6AA531D9A5CC4121D86BD5CDA2E0DA98C605@qq.com>
Bug-Reference-URL:
Bug-Description:
When using previous-history to go back beyond the beginning of the history list,
it's possible to move to an incorrect partial line.
Patch (apply with `patch -p0'):
*** ../bash-5.0-patched/lib/readline/misc.c 2017-07-07 17:30:12.000000000 -0400
--- lib/readline/misc.c 2019-05-16 11:43:46.000000000 -0400
***************
*** 577,580 ****
--- 590,594 ----
{
HIST_ENTRY *old_temp, *temp;
+ int had_saved_line;
if (count < 0)
***************
*** 589,592 ****
--- 603,607 ----
/* If we don't have a line saved, then save this one. */
+ had_saved_line = _rl_saved_line_for_history != 0;
rl_maybe_save_line ();
***************
*** 612,616 ****
if (temp == 0)
{
! rl_maybe_unsave_line ();
rl_ding ();
}
--- 627,632 ----
if (temp == 0)
{
! if (had_saved_line == 0)
! _rl_free_saved_history_line ();
rl_ding ();
}
*** ../bash-5.0/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 11
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 12
#endif /* _PATCHLEVEL_H_ */
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