Patch 8.2.4060
Problem:    win_execute() is slow on systems where getcwd() or chdir() is
            slow. (Rick Howe)
Solution:   Avoid using getcwd() and chdir() if no local directory is used and
            'acd' is not set. (closes #9504)
Files:      src/evalwindow.c


*** ../vim-8.2.4059/src/evalwindow.c    2022-01-10 13:36:31.264892417 +0000
--- src/evalwindow.c    2022-01-11 12:34:19.279334201 +0000
***************
*** 707,719 ****
      {
        pos_T   curpos = wp->w_cursor;
        char_u  cwd[MAXPATHL];
!       int     cwd_status;
  #ifdef FEAT_AUTOCHDIR
        char_u  autocwd[MAXPATHL];
        int     apply_acd = FALSE;
  #endif
  
!       cwd_status = mch_dirname(cwd, MAXPATHL);
  
  #ifdef FEAT_AUTOCHDIR
        // If 'acd' is set, check we are using that directory.  If yes, then
--- 707,732 ----
      {
        pos_T   curpos = wp->w_cursor;
        char_u  cwd[MAXPATHL];
!       int     cwd_status = FAIL;
  #ifdef FEAT_AUTOCHDIR
        char_u  autocwd[MAXPATHL];
        int     apply_acd = FALSE;
  #endif
  
!       // Getting and setting directory can be slow on some systems, only do
!       // this when the current or target window/tab have a local directory or
!       // 'acd' is set.
!       if (curwin != wp
!               && (curwin->w_localdir != NULL
!                   || wp->w_localdir != NULL
!                   || (curtab != tp
!                       && (curtab->tp_localdir != NULL
!                           || tp->tp_localdir != NULL))
! #ifdef FEAT_AUTOCHDIR
!                   || p_acd
! #endif
!                   ))
!           cwd_status = mch_dirname(cwd, MAXPATHL);
  
  #ifdef FEAT_AUTOCHDIR
        // If 'acd' is set, check we are using that directory.  If yes, then
*** ../vim-8.2.4059/src/version.c       2022-01-11 11:58:14.924745969 +0000
--- src/version.c       2022-01-11 12:36:58.295177036 +0000
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     4060,
  /**/

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///                                                                      \\\
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