Bash-4.2 Official Patch 37

[Chet Ramey]

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

Bash-Release:   4.2
Patch-ID:       bash42-037

Bug-Reported-by:        Jakub Filak
Bug-Reference-ID:
Bug-Reference-URL:      https://bugzilla.redhat.com/show_bug.cgi?id=813289

Bug-Description:

Attempting to redo (using `.') the vi editing mode `cc', `dd', or `yy'
commands leads to an infinite loop.

Patch (apply with `patch -p0'):

*** ../bash-4.2-patched/lib/readline/vi_mode.c  2011-02-25 11:17:02.000000000 
-0500
--- lib/readline/vi_mode.c      2012-06-02 12:24:47.000000000 -0400
***************
*** 1235,1243 ****
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
!   else if (vi_redoing)
      {
        _rl_vimvcxt->motion = _rl_vi_last_motion;
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
  #if defined (READLINE_CALLBACKS)
    else if (RL_ISSTATE (RL_STATE_CALLBACK))
--- 1297,1313 ----
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
!   else if (vi_redoing && _rl_vi_last_motion != 'd')   /* `dd' is special */
      {
        _rl_vimvcxt->motion = _rl_vi_last_motion;
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
+   else if (vi_redoing)                /* handle redoing `dd' here */
+     {
+       _rl_vimvcxt->motion = _rl_vi_last_motion;
+       rl_mark = rl_end;
+       rl_beg_of_line (1, key);
+       RL_UNSETSTATE (RL_STATE_VIMOTION);
+       r = vidomove_dispatch (_rl_vimvcxt);
+     }
  #if defined (READLINE_CALLBACKS)
    else if (RL_ISSTATE (RL_STATE_CALLBACK))
***************
*** 1317,1325 ****
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
!   else if (vi_redoing)
      {
        _rl_vimvcxt->motion = _rl_vi_last_motion;
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
  #if defined (READLINE_CALLBACKS)
    else if (RL_ISSTATE (RL_STATE_CALLBACK))
--- 1387,1403 ----
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
!   else if (vi_redoing && _rl_vi_last_motion != 'c')   /* `cc' is special */
      {
        _rl_vimvcxt->motion = _rl_vi_last_motion;
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
+   else if (vi_redoing)                /* handle redoing `cc' here */
+     {
+       _rl_vimvcxt->motion = _rl_vi_last_motion;
+       rl_mark = rl_end;
+       rl_beg_of_line (1, key);
+       RL_UNSETSTATE (RL_STATE_VIMOTION);
+       r = vidomove_dispatch (_rl_vimvcxt);
+     }
  #if defined (READLINE_CALLBACKS)
    else if (RL_ISSTATE (RL_STATE_CALLBACK))
***************
*** 1378,1381 ****
--- 1456,1472 ----
        r = rl_domove_motion_callback (_rl_vimvcxt);
      }
+   else if (vi_redoing && _rl_vi_last_motion != 'y')   /* `yy' is special */
+     {
+       _rl_vimvcxt->motion = _rl_vi_last_motion;
+       r = rl_domove_motion_callback (_rl_vimvcxt);
+     }
+   else if (vi_redoing)                        /* handle redoing `yy' here */
+     {
+       _rl_vimvcxt->motion = _rl_vi_last_motion;
+       rl_mark = rl_end;
+       rl_beg_of_line (1, key);
+       RL_UNSETSTATE (RL_STATE_VIMOTION);
+       r = vidomove_dispatch (_rl_vimvcxt);
+     }
  #if defined (READLINE_CALLBACKS)
    else if (RL_ISSTATE (RL_STATE_CALLBACK))
*** ../bash-4.2-patched/patchlevel.h    Sat Jun 12 20:14:48 2010
--- patchlevel.h        Thu Feb 24 21:41:34 2011
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 36
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 37
  
  #endif /* _PATCHLEVEL_H_ */

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