From ce80b8f50d7d56ac12aa06a64a65799ec18b69af Mon Sep 17 00:00:00 2001
From: Jonas Strittmatter <40792180+smjonas@users.noreply.github.com>
Date: Fri, 2 Sep 2022 08:16:17 +0200
Subject: vim-patch:9.0.0349: filetype of *.sil files not well detected
 (#20050)

Problem:    Filetype of *.sil files not well detected.
Solution:   Inspect the file contents to guess the filetype.
https://github.com/vim/vim/commit/be807d582499acbe314ead3891481cba6ca136df
---
 runtime/lua/vim/filetype/detect.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'runtime/lua/vim/filetype')

diff --git a/runtime/lua/vim/filetype/detect.lua b/runtime/lua/vim/filetype/detect.lua
index 2be9dcff88..7fc7f1b7ca 100644
--- a/runtime/lua/vim/filetype/detect.lua
+++ b/runtime/lua/vim/filetype/detect.lua
@@ -1194,6 +1194,19 @@ function M.shell(path, contents, name)
   return name
 end
 
+-- Swift Intermediate Language or SILE
+function M.sil(bufnr)
+  for _, line in ipairs(getlines(bufnr, 1, 100)) do
+    if line:find('^%s*[\\%%]') then
+      return 'sile'
+    elseif line:find('^%s*%S') then
+      return 'sil'
+    end
+  end
+  -- No clue, default to "sil"
+  return 'sil'
+end
+
 -- SMIL or SNMP MIB file
 function M.smi(bufnr)
   local line = getlines(bufnr, 1)
-- 
cgit