patch 9.1.1892: Not possible to know once Vim is done with sourcing vimrc

Commit: 
https://github.com/vim/vim/commit/294bce21ee837aab209a1008d0efc3e305cf188f
Author: Evgeni Chasnovski <[email protected]>
Date:   Sat Nov 1 15:54:35 2025 +0000

    patch 9.1.1892: Not possible to know once Vim is done with sourcing vimrc
    
    Problem:   A plugin does not know when startup scripts were already
               triggered. This is useful to determine if a function is
               called inside vimrc or after (like when sourcing 'plugin/'
               files).
    Solution:  Add the v:vim_did_init variable (Evgeni Chasnovski)
    
    closes: #18668
    
    Signed-off-by: Evgeni Chasnovski <[email protected]>
    Signed-off-by: Christian Brabandt <[email protected]>

diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 9140ff235..b4b28e80c 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*     For Vim version 9.1.  Last change: 2025 Oct 26
+*eval.txt*     For Vim version 9.1.  Last change: 2025 Nov 01
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -2988,6 +2988,10 @@ v:versionlong    Like v:version, but also including the 
patchlevel in the last
 v:vim_did_enter        Zero until most of startup is done.  It is set to one 
just
                before |VimEnter| autocommands are triggered.
 
+                               *v:vim_did_init* *vim_did_init-variable*
+v:vim_did_init Zero until initialization is done.  It is set to one just
+               after |vimrc| is sourced and before |load-plugins|.
+
                                        *v:warningmsg* *warningmsg-variable*
 v:warningmsg   Last given warning message.  It's allowed to set this
                variable.
diff --git a/runtime/doc/repeat.txt b/runtime/doc/repeat.txt
index d1b2012ce..79b293c57 100644
--- a/runtime/doc/repeat.txt
+++ b/runtime/doc/repeat.txt
@@ -1,4 +1,4 @@
-*repeat.txt*    For Vim version 9.1.  Last change: 2025 Oct 13
+*repeat.txt*    For Vim version 9.1.  Last change: 2025 Nov 01
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -328,6 +328,12 @@ For writing a Vim script, see chapter 41 of the user 
manual |usr_41.txt|.
                        you will need to write `filetype plugin indent on`
                        AFTER all `packadd!` commands.
 
+                       To programmatically decide if `!` is needed during
+                       startup, check |v:vim_did_init|: use `!` if 0 (to not
+                       duplicate |load-plugins| step), no `!` otherwise (to
+                       force load plugin files as otherwise they won't be
+                       loaded automatically).
+
                        Also see |pack-add|.
                        {only available when compiled with |+eval|}
 
diff --git a/runtime/doc/starting.txt b/runtime/doc/starting.txt
index ec18a96dc..7f718d7b6 100644
--- a/runtime/doc/starting.txt
+++ b/runtime/doc/starting.txt
@@ -1,4 +1,4 @@
-*starting.txt*  For Vim version 9.1.  Last change: 2025 Oct 12
+*starting.txt*  For Vim version 9.1.  Last change: 2025 Nov 01
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -843,6 +843,9 @@ accordingly.  Vim proceeds in this order:
        If Vim was started in Ex mode with the "-s" argument, all following
        initializations until 4. are skipped.  Only the "-u" option is
        interpreted.
+
+       The |v:vim_did_init| variable is set to 1 after this step is finished.
+
                                                        *evim.vim*
      a. If Vim was started as |evim| or |eview| or with the |-y| argument, the
        script $VIMRUNTIME/evim.vim will be loaded.
diff --git a/runtime/doc/tags b/runtime/doc/tags
index 0fb8c021d..3a3583421 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -11360,6 +11360,7 @@ v:var   eval.txt        /*v:var*
 v:version      eval.txt        /*v:version*
 v:versionlong  eval.txt        /*v:versionlong*
 v:vim_did_enter        eval.txt        /*v:vim_did_enter*
+v:vim_did_init eval.txt        /*v:vim_did_init*
 v:warningmsg   eval.txt        /*v:warningmsg*
 v:wayland_display      eval.txt        /*v:wayland_display*
 v:windowid     eval.txt        /*v:windowid*
@@ -11634,6 +11635,7 @@ vim:    options.txt     /*vim:*
 vim_announce   intro.txt       /*vim_announce*
 vim_dev        intro.txt       /*vim_dev*
 vim_did_enter-variable eval.txt        /*vim_did_enter-variable*
+vim_did_init-variable  eval.txt        /*vim_did_init-variable*
 vim_mac        intro.txt       /*vim_mac*
 vim_starting   builtin.txt     /*vim_starting*
 vim_use        intro.txt       /*vim_use*
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index f40fe49fc..23f4bed55 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2025 Oct 26
+*version9.txt*  For Vim version 9.1.  Last change: 2025 Nov 01
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41908,6 +41908,7 @@ Vim Variables: ~
 |v:termda1|            The escape sequence returned for the primary device
                        attribute query (DA1).
 |v:termosc|            The most recent received OSC response.
+|v:vim_did_init|       Set once Vim finishes startup initialization.
 |v:wayland_display|    The name of the Wayland display Vim is connected to.
 
 Vim Arguments: ~
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 19d2a8d50..4f0a14861 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -2,7 +2,7 @@
 " Language:       Vim script
 " Maintainer:     Hirohito Higashi <h.east.727 ATMARK gmail.com>
 "         Doug Kearns <[email protected]>
-" Last Change:    2025 Oct 27
+" Last Change:    2025 Nov 01
 " Former Maintainer: Charles E. Campbell
 
 " DO NOT CHANGE DIRECTLY.
@@ -166,7 +166,7 @@ syn keyword vimFuncName contained win_execute win_findbuf 
win_getid win_gettype
 " Predefined variable names {{{2
 " GEN_SYN_VIM: vimVarName, START_STR='syn keyword vimVimVarName contained', 
END_STR=''
 syn keyword vimVimVarName contained count count1 prevcount errmsg warningmsg 
statusmsg shell_error this_session version lnum termresponse fname lang lc_time 
ctype charconvert_from charconvert_to fname_in fname_out fname_new fname_diff 
cmdarg foldstart foldend folddashes foldlevel progname servername dying 
exception throwpoint register cmdbang insertmode val key profiling fcs_reason 
fcs_choice beval_bufnr beval_winnr beval_winid beval_lnum beval_col beval_text 
scrollstart swapname swapchoice swapcommand char mouse_win mouse_winid 
mouse_lnum mouse_col operator searchforward hlsearch oldfiles windowid progpath 
completed_item option_new option_old option_oldlocal option_oldglobal 
option_command option_type errors false true none null numbermax numbermin 
numbersize
-syn keyword vimVimVarName contained vim_did_enter testing t_number t_string 
t_func t_list t_dict t_float t_bool t_none t_job t_channel t_blob t_class 
t_object termrfgresp termrbgresp termu7resp termstyleresp termblinkresp event 
versionlong echospace argv collate exiting colornames sizeofint sizeoflong 
sizeofpointer maxcol python3_version t_typealias t_enum t_enumvalue stacktrace 
t_tuple wayland_display clipmethod termda1 termosc
+syn keyword vimVimVarName contained vim_did_enter testing t_number t_string 
t_func t_list t_dict t_float t_bool t_none t_job t_channel t_blob t_class 
t_object termrfgresp termrbgresp termu7resp termstyleresp termblinkresp event 
versionlong echospace argv collate exiting colornames sizeofint sizeoflong 
sizeofpointer maxcol python3_version t_typealias t_enum t_enumvalue stacktrace 
t_tuple wayland_display clipmethod termda1 termosc vim_did_init
 
 "--- syntax here and above generated by 
runtime/syntax/generator/gen_syntax_vim.vim ---
 
diff --git a/src/evalvars.c b/src/evalvars.c
index c840d872b..2acfc429a 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -167,6 +167,7 @@ static struct vimvar
     {VV_NAME("clipmethod",      VAR_STRING), NULL, VV_RO},
     {VV_NAME("termda1",                 VAR_STRING), NULL, VV_RO},
     {VV_NAME("termosc",         VAR_STRING), NULL, VV_RO},
+    {VV_NAME("vim_did_init",    VAR_NUMBER), NULL, VV_RO},
 };
 
 // shorthand
diff --git a/src/main.c b/src/main.c
index d3730fe10..ba5b5b7d8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -433,6 +433,10 @@ main
     // Source startup scripts.
     source_startup_scripts(&params);
 
+#ifdef FEAT_EVAL
+    set_vim_var_nr(VV_VIM_DID_INIT, 1L);
+#endif
+
 #ifdef FEAT_MZSCHEME
     /*
      * Newer version of MzScheme (Racket) require earlier (trampolined)
diff --git a/src/testdir/test_startup.vim b/src/testdir/test_startup.vim
index 02d1adf14..6693a76b4 100644
--- a/src/testdir/test_startup.vim
+++ b/src/testdir/test_startup.vim
@@ -71,6 +71,36 @@ func Test_after_comes_later()
   call delete('Xsequence')
 endfunc
 
+func Test_vim_did_init()
+  let before =<< trim [CODE]
+    set nocp viminfo+=nviminfo
+    set guioptions+=M
+    set loadplugins
+    set rtp=Xhere
+    set nomore
+  [CODE]
+
+  let after =<< trim [CODE]
+    redir! > Xtestout
+    echo g:var_vimrc
+    echo g:var_plugin
+    redir END
+    quit
+  [CODE]
+
+  call writefile(['let g:var_vimrc=v:vim_did_init'], 'Xvimrc', 'D')
+  call mkdir('Xhere/plugin', 'pR')
+  call writefile(['let g:var_plugin=v:vim_did_init'], 'Xhere/plugin/here.vim')
+
+  if RunVim(before, after, '-u Xvimrc')
+    let lines = readfile('Xtestout')
+    call assert_equal('0', lines[1])
+    call assert_equal('1', lines[2])
+  endif
+
+  call delete('Xtestout')
+endfunc
+
 func Test_pack_in_rtp_when_plugins_run()
   CheckFeature packages
   let before =<< trim [CODE]
diff --git a/src/version.c b/src/version.c
index df3adb3bb..ff8121c4f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1892,
 /**/
     1891,
 /**/
diff --git a/src/vim.h b/src/vim.h
index 83521b9ef..1ca6112e6 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2256,7 +2256,8 @@ typedef int sock_T;
 #define VV_CLIPMETHOD 113
 #define VV_TERMDA1 114
 #define VV_TERMOSC 115
-#define VV_LEN         116     // number of v: vars
+#define VV_VIM_DID_INIT                116
+#define VV_LEN         117     // number of v: vars
 
 // used for v_number in VAR_BOOL and VAR_SPECIAL
 #define VVAL_FALSE     0L      // VAR_BOOL

-- 
-- 
You received this message from the "vim_dev" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

--- 
You received this message because you are subscribed to the Google Groups 
"vim_dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion visit 
https://groups.google.com/d/msgid/vim_dev/E1vGlle-006kLl-8F%40256bit.org.

Raspunde prin e-mail lui