From 3ad297db5c1cf94660e4297ffa81b6281eab2884 Mon Sep 17 00:00:00 2001
From: Chayoung You <yousbe@gmail.com>
Date: Wed, 30 Sep 2020 18:20:29 +0900
Subject: Fix error when editing path for shebang (#572)

---
 autoload/polyglot/shebang.vim | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'autoload')

diff --git a/autoload/polyglot/shebang.vim b/autoload/polyglot/shebang.vim
index 72c56f6f..66ccacd6 100644
--- a/autoload/polyglot/shebang.vim
+++ b/autoload/polyglot/shebang.vim
@@ -30,7 +30,13 @@ func! s:Filetype()
 
   let [_, l:path, l:rest; __] = l:pathrest
 
-  let l:script = split(l:path, "/")[-1]
+  let l:pathparts = split(l:path, "/")
+
+  if len(l:pathparts) == 0
+    return
+  endif
+
+  let l:script = l:pathparts[-1]
 
   if l:script == "env"
     let l:argspath = matchlist(l:rest, s:r_env)
-- 
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