Patch 8.2.2070
Problem:    Can't get the exit value in VimLeave or VimLeavePre autocommands.
Solution:   Add v:exiting like in Neovim. (Yegappan Lakshmanan, closes #7395)
Files:      runtime/doc/autocmd.txt, runtime/doc/eval.txt, src/evalvars.c,
            src/main.c, src/testdir/test_exit.vim, src/vim.h


*** ../vim-8.2.2069/runtime/doc/autocmd.txt     2020-11-12 14:20:32.013927316 
+0100
--- runtime/doc/autocmd.txt     2020-11-30 17:29:26.066185245 +0100
***************
*** 70,75 ****
--- 70,79 ----
  The special pattern <buffer> or <buffer=N> defines a buffer-local autocommand.
  See |autocmd-buflocal|.
  
+ If the `:autocmd` is in Vim9 script then {cmd} will be executed as in Vim9
+ script.  Thus this depends on where the autocmd is defined, not where it is
+ triggered.
+ 
  Note: The ":autocmd" command can only be followed by another command when the
  '|' appears before {cmd}.  This works: >
        :augroup mine | au! BufRead | augroup END
***************
*** 1210,1215 ****
--- 1214,1220 ----
                                To detect an abnormal exit use |v:dying|.
                                When v:dying is 2 or more this event is not
                                triggered.
+                               To get the exit code use |v:exiting|.
                                                        *VimLeavePre*
  VimLeavePre                   Before exiting Vim, just before writing the
                                .viminfo file.  This is executed only once,
***************
*** 1220,1225 ****
--- 1225,1231 ----
  <                             To detect an abnormal exit use |v:dying|.
                                When v:dying is 2 or more this event is not
                                triggered.
+                               To get the exit code use |v:exiting|.
                                                        *VimResized*
  VimResized                    After the Vim window was resized, thus 'lines'
                                and/or 'columns' changed.  Not when starting
*** ../vim-8.2.2069/runtime/doc/eval.txt        2020-11-12 14:20:32.017927303 
+0100
--- runtime/doc/eval.txt        2020-11-30 17:33:51.853221159 +0100
***************
*** 1822,1827 ****
--- 1850,1862 ----
  <             Note: if another deadly signal is caught when v:dying is one,
                VimLeave autocommands will not be executed.
  
+                                       *v:exiting* *exiting-variable*
+ v:exiting     Vim exit code.  Normally zero, non-zero when something went
+               wrong.  The value is v:null before invoking the |VimLeavePre|
+               and |VimLeave| autocmds.  See |:q|, |:x| and |:cquit|.
+               Example: >
+                       :au VimLeave * echo "Exit value is " .. v:exiting
+ <
                                        *v:echospace* *echospace-variable*
  v:echospace   Number of screen cells that can be used for an `:echo` message
                in the last screen line before causing the |hit-enter-prompt|.
*** ../vim-8.2.2069/src/evalvars.c      2020-11-19 21:47:52.722076508 +0100
--- src/evalvars.c      2020-11-30 17:29:26.070185231 +0100
***************
*** 146,151 ****
--- 146,152 ----
      {VV_NAME("echospace",      VAR_NUMBER), VV_RO},
      {VV_NAME("argv",           VAR_LIST), VV_RO},
      {VV_NAME("collate",                VAR_STRING), VV_RO},
+     {VV_NAME("exiting",                VAR_SPECIAL), VV_RO},
  };
  
  // shorthand
***************
*** 218,223 ****
--- 219,225 ----
  
      set_vim_var_nr(VV_SEARCHFORWARD, 1L);
      set_vim_var_nr(VV_HLSEARCH, 1L);
+     set_vim_var_nr(VV_EXITING, VVAL_NULL);
      set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED));
      set_vim_var_list(VV_ERRORS, list_alloc());
      set_vim_var_dict(VV_EVENT, dict_alloc_lock(VAR_FIXED));
*** ../vim-8.2.2069/src/main.c  2020-11-27 19:01:25.872894362 +0100
--- src/main.c  2020-11-30 17:34:56.700983817 +0100
***************
*** 1505,1511 ****
  
  
  /*
!  * Exit properly.
   */
      void
  getout(int exitval)
--- 1505,1512 ----
  
  
  /*
!  * Exit properly.  This is the only way to exit Vim after startup has
!  * succeeded.  We are certain to exit here, no way to abort it.
   */
      void
  getout(int exitval)
***************
*** 1521,1526 ****
--- 1522,1532 ----
      if (exmode_active)
        exitval += ex_exitval;
  
+ #ifdef FEAT_EVAL
+     set_vim_var_type(VV_EXITING, VAR_NUMBER);
+     set_vim_var_nr(VV_EXITING, exitval);
+ #endif
+ 
      // Position the cursor on the last screen line, below all the text
  #ifdef FEAT_GUI
      if (!gui.in_use)
*** ../vim-8.2.2069/src/testdir/test_exit.vim   2020-08-12 18:50:31.875655822 
+0200
--- src/testdir/test_exit.vim   2020-11-30 17:29:26.070185231 +0100
***************
*** 82,85 ****
--- 82,112 ----
    call delete('Xtestout')
  endfunc
  
+ " Test for getting the Vim exit code from v:exiting
+ func Test_exit_code()
+   call assert_equal(v:null, v:exiting)
+ 
+   let before =<< trim [CODE]
+     au QuitPre * call writefile(['qp = ' .. v:exiting], 'Xtestout', 'a')
+     au ExitPre * call writefile(['ep = ' .. v:exiting], 'Xtestout', 'a')
+     au VimLeavePre * call writefile(['lp = ' .. v:exiting], 'Xtestout', 'a')
+     au VimLeave * call writefile(['l = ' .. v:exiting], 'Xtestout', 'a')
+   [CODE]
+ 
+   if RunVim(before, ['quit'], '')
+     call assert_equal(['qp = v:null', 'ep = v:null', 'lp = 0', 'l = 0'], 
readfile('Xtestout'))
+   endif
+   call delete('Xtestout')
+ 
+   if RunVim(before, ['cquit'], '')
+     call assert_equal(['lp = 1', 'l = 1'], readfile('Xtestout'))
+   endif
+   call delete('Xtestout')
+ 
+   if RunVim(before, ['cquit 4'], '')
+     call assert_equal(['lp = 4', 'l = 4'], readfile('Xtestout'))
+   endif
+   call delete('Xtestout')
+ endfunc
+ 
  " vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.2069/src/vim.h   2020-11-25 20:09:05.509445589 +0100
--- src/vim.h   2020-11-30 17:29:26.074185217 +0100
***************
*** 1996,2002 ****
  #define VV_ECHOSPACE  93
  #define VV_ARGV               94
  #define VV_COLLATE      95
! #define VV_LEN                96      // number of v: vars
  
  // used for v_number in VAR_BOOL and VAR_SPECIAL
  #define VVAL_FALSE    0L      // VAR_BOOL
--- 1996,2003 ----
  #define VV_ECHOSPACE  93
  #define VV_ARGV               94
  #define VV_COLLATE      95
! #define VV_EXITING    96
! #define VV_LEN                97      // number of v: vars
  
  // used for v_number in VAR_BOOL and VAR_SPECIAL
  #define VVAL_FALSE    0L      // VAR_BOOL
*** ../vim-8.2.2069/src/version.c       2020-11-29 14:20:23.677476671 +0100
--- src/version.c       2020-11-30 17:38:49.732126713 +0100
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     2070,
  /**/

-- 
Windows
M!uqoms

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