From 5ca6c9e04629fee4e9f1f9786e9d36a2f892160c Mon Sep 17 00:00:00 2001
From: Luki446 <luki446@gmail.com>
Date: Sat, 11 Nov 2023 22:32:08 +0100
Subject: [PATCH] fix(terminal): make backslashes in 'shell' work on Windows

If backslashes are used in 'shell' option, escape them to make Terminal
mode work.
---
 src/nvim/ex_docmd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index 0b466bbe4e..245121f4af 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -7424,7 +7424,9 @@ static void ex_terminal(exarg_T *eap)
     char shell_argv[512] = { 0 };
 
     while (*p != NULL) {
-      snprintf(tempstring, sizeof(tempstring), ",\"%s\"", *p);
+      char *escaped = vim_strsave_escaped(*p, "\"\\");
+      snprintf(tempstring, sizeof(tempstring), ",\"%s\"", escaped);
+      xfree(escaped);
       xstrlcat(shell_argv, tempstring, sizeof(shell_argv));
       p++;
     }