From b51eba927324e12271dcb6c4db25e430c4aa6eb9 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 8 Sep 2025 11:42:27 +0800
Subject: [PATCH] vim-patch:9.1.1738: cmdline-autocompletion breaks history
 navigation

Problem:  cmdline-autocompletion breaks history navigation (ddad431)
Solution: Support history navigation in cmdline autocompletion (Girish
          Palya)

Up/Down arrows support history navigation when using wildtrigger()

fixes: vim/vim#18207
closes: vim/vim#18219

https://github.com/vim/vim/commit/708ab7f5fbef95c43a3eb6c0a2ad4e02ad4c2f98

Co-authored-by: Girish Palya <girishji@gmail.com>
---
 src/nvim/ex_getln.c               |  8 ++++++++
 test/old/testdir/test_cmdline.vim | 24 ++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index f17dcd5ae0..e93698be94 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -146,6 +146,7 @@ typedef struct {
   buf_T *b_im_ptr_buf;  ///< buffer where b_im_ptr is valid
   int cmdline_type;
   bool event_cmdlineleavepre_triggered;
+  bool did_hist_navigate;
 } CommandLineState;
 
 typedef struct {
@@ -1254,6 +1255,12 @@ static int command_line_execute(VimState *state, int key)
   CommandLineState *s = (CommandLineState *)state;
   s->c = key;
 
+  // Skip wildmenu during history navigation via Up/Down keys
+  if (s->c == K_WILD && s->did_hist_navigate) {
+    s->did_hist_navigate = false;
+    return 1;
+  }
+
   if (s->c == K_EVENT || s->c == K_COMMAND || s->c == K_LUA) {
     if (s->c == K_EVENT) {
       state_handle_k_event();
@@ -2227,6 +2234,7 @@ static int command_line_handle_key(CommandLineState *s)
     } else {
       switch (command_line_browse_history(s)) {
       case CMDLINE_CHANGED:
+        s->did_hist_navigate = true;
         return command_line_changed(s);
       case GOTO_NORMAL_MODE:
         return 0;
diff --git a/test/old/testdir/test_cmdline.vim b/test/old/testdir/test_cmdline.vim
index 41c9eb9398..fa230f7034 100644
--- a/test/old/testdir/test_cmdline.vim
+++ b/test/old/testdir/test_cmdline.vim
@@ -4986,4 +4986,28 @@ func Test_CmdlineLeave_vchar_keys()
   unlet g:leave_key
 endfunc
 
+" Skip wildmenu during history navigation via Up/Down keys
+func Test_skip_wildtrigger_hist_navigation()
+  call Ntest_override("char_avail", 1)
+  cnoremap <F8> <C-R>=wildtrigger()[-1]<CR>
+  set wildmenu
+
+  call feedkeys(":ech\<F8>\<F4>\<C-B>\"\<CR>", "tx")
+  call assert_match('echo*', g:Sline)
+  call assert_equal('"echo', @:)
+
+  call feedkeys(":echom \"foo\"", "tx")
+  call feedkeys(":echom \"foobar\"", "tx")
+  call feedkeys(":ech\<F8>\<C-E>\<UP>\<C-B>\"\<CR>", "tx")
+  call assert_equal('"echom "foobar"', @:)
+  call feedkeys(":ech\<F8>\<C-E>\<UP>\<UP>\<UP>\<C-B>\"\<CR>", "tx")
+  call assert_equal('"echom "foo"', @:)
+  call feedkeys(":ech\<F8>\<C-E>\<UP>\<UP>\<UP>\<Down>\<C-B>\"\<CR>", "tx")
+  call assert_equal('"echom "foobar"', @:)
+
+  call Ntest_override("char_avail", 0)
+  set wildmenu&
+  cunmap <F8>
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab