From fef6493379a512cd43eb6a141796f1ed22f79f58 Mon Sep 17 00:00:00 2001
From: raimon <raimon49@hotmail.com>
Date: Sat, 3 Dec 2016 22:48:42 +0900
Subject: [PATCH] Support filename of the Constraints File

---
 examples/constraints.txt  | 1 +
 ftdetect/requirements.vim | 4 ++++
 2 files changed, 5 insertions(+)
 create mode 120000 examples/constraints.txt

diff --git a/examples/constraints.txt b/examples/constraints.txt
new file mode 120000
index 0000000..d54bfb5
--- /dev/null
+++ b/examples/constraints.txt
@@ -0,0 +1 @@
+requirements.txt
\ No newline at end of file
diff --git a/ftdetect/requirements.vim b/ftdetect/requirements.vim
index a5e21b6..6c893cb 100644
--- a/ftdetect/requirements.vim
+++ b/ftdetect/requirements.vim
@@ -22,6 +22,10 @@ function! Requirements_matched_filename(filename)
         return 1
     endif
 
+    if a:filename =~# '\v.constraints\.(txt|in)$'
+        return 1
+    endif
+
     if len(g:requirements#detect_filename_pattern)
         \ && a:filename =~# g:requirements#detect_filename_pattern
         return 1