From c415e764d424251bb8139dcdd793b7b716aec563 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Thu, 10 Feb 2022 07:28:54 +0800
Subject: [PATCH] vim-patch:8.2.4336: using :filter for :scriptnames does not
 work

Problem:    Using :filter for :scriptnames does not work. (Ben Jackson)
Solution:   Call message_filtered(). (closes vim/vim#9720)
https://github.com/vim/vim/commit/769f5895ebfd10535a0ad978f071da8f20178fc6

Cherry-pick a modeline from Vim patch 8.2.1432.
---
 src/nvim/ex_cmds2.c                  | 9 ++++++---
 src/nvim/testdir/test_filter_cmd.vim | 8 ++++++++
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/nvim/ex_cmds2.c b/src/nvim/ex_cmds2.c
index e5cec0e060..090422088a 100644
--- a/src/nvim/ex_cmds2.c
+++ b/src/nvim/ex_cmds2.c
@@ -12,6 +12,7 @@
 #include <string.h>
 
 #include "nvim/ascii.h"
+#include "nvim/globals.h"
 #include "nvim/vim.h"
 #ifdef HAVE_LOCALE_H
 # include <locale.h>
@@ -2190,9 +2191,11 @@ void ex_scriptnames(exarg_T *eap)
     if (SCRIPT_ITEM(i).sn_name != NULL) {
       home_replace(NULL, SCRIPT_ITEM(i).sn_name, NameBuff, MAXPATHL, true);
       vim_snprintf((char *)IObuff, IOSIZE, "%3d: %s", i, NameBuff);
-      msg_putchar('\n');
-      msg_outtrans(IObuff);
-      line_breakcheck();
+      if (!message_filtered(IObuff)) {
+        msg_putchar('\n');
+        msg_outtrans(IObuff);
+        line_breakcheck();
+      }
     }
   }
 }
diff --git a/src/nvim/testdir/test_filter_cmd.vim b/src/nvim/testdir/test_filter_cmd.vim
index 144c7fa863..d465e48c7b 100644
--- a/src/nvim/testdir/test_filter_cmd.vim
+++ b/src/nvim/testdir/test_filter_cmd.vim
@@ -172,3 +172,11 @@ func Test_filter_display()
 
   bwipe!
 endfunc
+
+func Test_filter_scriptnames()
+  let lines = split(execute('filter /test_filter_cmd/ scriptnames'), "\n")
+  call assert_equal(1, len(lines))
+  call assert_match('filter_cmd', lines[0])
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab