From b60a2ab4cb7bb7d86dcda1dfe2396a9eda384e35 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 17 Jul 2023 10:15:45 +0800
Subject: fix(inccommand): block errors when parsing command line again
 (#24374)

Revert the change to ex_getln.c from a741c7fd0465c949a0016fcbee5f4526b65f8c02
---
 src/nvim/ex_getln.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index 6bb980d501..927877dc74 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -261,6 +261,7 @@ static bool do_incsearch_highlighting(int firstc, int *search_delim, incsearch_s
     return false;
   }
 
+  emsg_off++;
   exarg_T ea = {
     .line1 = 1,
     .line2 = 1,
@@ -368,6 +369,7 @@ static bool do_incsearch_highlighting(int firstc, int *search_delim, incsearch_s
   curwin->w_cursor = save_cursor;
   retval = true;
 theend:
+  emsg_off--;
   return retval;
 }
 
@@ -2427,9 +2429,12 @@ static bool cmdpreview_may_show(CommandLineState *s)
   int cmdpreview_type = 0;
   char *cmdline = xstrdup(ccline.cmdbuff);
   const char *errormsg = NULL;
+  emsg_off++;  // Block errors when parsing the command line, and don't update v:errmsg
   if (!parse_cmdline(cmdline, &ea, &cmdinfo, &errormsg)) {
+    emsg_off--;
     goto end;
   }
+  emsg_off--;
 
   // Check if command is previewable, if not, don't attempt to show preview
   if (!(ea.argt & EX_PREVIEW)) {
-- 
cgit