From ff1b0f632a8d3aed0ba861057e7bd8ade4540277 Mon Sep 17 00:00:00 2001
From: Christian Clason <c.clason@uni-graz.at>
Date: Sat, 18 Dec 2021 17:22:09 +0100
Subject: vim-patch:8.2.3843: dep3patch files are not recognized (#16700)

Problem:    Dep3patch files are not recognized.
Solution:   Recognize dep3patch files by their location and content. (James
            McCoy, closes vim/vim#9367)
https://github.com/vim/vim/commit/647ab4cede4dbf412d24748f8e0a64d1cb9239f4
---
 runtime/autoload/dist/ft.vim | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'runtime/autoload')

diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim
index a3db4ae87a..366d7b009d 100644
--- a/runtime/autoload/dist/ft.vim
+++ b/runtime/autoload/dist/ft.vim
@@ -811,6 +811,23 @@ func dist#ft#Redif()
   endwhile
 endfunc
 
+" This function is called for all files under */debian/patches/*, make sure not
+" to non-dep3patch files, such as README and other text files.
+func dist#ft#Dep3patch()
+  if expand('%:t') ==# 'series'
+    return
+  endif
+
+  for ln in getline(1, 100)
+    if ln =~# '^\%(Description\|Subject\|Origin\|Bug\|Forwarded\|Author\|From\|Reviewed-by\|Acked-by\|Last-Updated\|Applied-Upstream\):'
+      setf dep3patch
+      return
+    elseif ln =~# '^---'
+      " end of headers found. stop processing
+      return
+    endif
+  endfor
+endfunc
 
 " Restore 'cpoptions'
 let &cpo = s:cpo_save
-- 
cgit