From a850b15e1968476e0f609a9d699cdf24fd13e3a2 Mon Sep 17 00:00:00 2001
From: Christian Clason <c.clason@uni-graz.at>
Date: Sat, 13 Aug 2022 10:26:12 +0200
Subject: vim-patch:9.0.0195: metafun files are not recogized (#19746)

Problem:    Metafun files are not recogized.
Solution:   Add filetype detection patterns.
https://github.com/vim/vim/commit/9032b9ceb6073288d75386dbcbd9d1982fa24080
---
 runtime/filetype.vim               |  1 +
 runtime/lua/vim/filetype.lua       | 15 +++++++++++++++
 src/nvim/testdir/test_filetype.vim |  2 +-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index e32374863f..f744714aa2 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1161,6 +1161,7 @@ au BufNewFile,BufRead *.mf			setf mf
 
 " MetaPost
 au BufNewFile,BufRead *.mp			setf mp
+au BufNewFile,BufRead *.mpxl,*.mpiv,*.mpvi	let b:mp_metafun = 1 | setf mp
 
 " MGL
 au BufNewFile,BufRead *.mgl			setf mgl
diff --git a/runtime/lua/vim/filetype.lua b/runtime/lua/vim/filetype.lua
index e9e81caec0..3cfc4e288a 100644
--- a/runtime/lua/vim/filetype.lua
+++ b/runtime/lua/vim/filetype.lua
@@ -668,6 +668,21 @@ local extension = {
   moo = 'moo',
   moon = 'moonscript',
   mp = 'mp',
+  mpiv = function(path, bufnr)
+    return 'mp', function(b)
+      vim.b[b].mp_metafun = 1
+    end
+  end,
+  mpvi = function(path, bufnr)
+    return 'mp', function(b)
+      vim.b[b].mp_metafun = 1
+    end
+  end,
+  mpxl = function(path, bufnr)
+    return 'mp', function(b)
+      vim.b[b].mp_metafun = 1
+    end
+  end,
   mof = 'msidl',
   odl = 'msidl',
   msql = 'msql',
diff --git a/src/nvim/testdir/test_filetype.vim b/src/nvim/testdir/test_filetype.vim
index beaf5fdcfa..fd0c095365 100644
--- a/src/nvim/testdir/test_filetype.vim
+++ b/src/nvim/testdir/test_filetype.vim
@@ -360,7 +360,7 @@ let s:filename_checks = {
     \ 'monk': ['file.isc', 'file.monk', 'file.ssc', 'file.tsc'],
     \ 'moo': ['file.moo'],
     \ 'moonscript': ['file.moon'],
-    \ 'mp': ['file.mp'],
+    \ 'mp': ['file.mp', 'file.mpxl', 'file.mpiv', 'file.mpvi'],
     \ 'mplayerconf': ['mplayer.conf', '/.mplayer/config', 'any/.mplayer/config'],
     \ 'mrxvtrc': ['mrxvtrc', '.mrxvtrc'],
     \ 'msidl': ['file.odl', 'file.mof'],
-- 
cgit