From e63edd766461f191959c27ec8ced26cec3d197b4 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Sun, 3 Jun 2018 01:11:54 +1200
Subject: Refine shebangs in filetype detection

---
 vim/ftdetect/awk.vim    | 2 +-
 vim/ftdetect/perl.vim   | 2 +-
 vim/ftdetect/perl6.vim  | 2 +-
 vim/ftdetect/python.vim | 2 +-
 vim/ftdetect/sh.vim     | 6 +++---
 vim/ftdetect/zsh.vim    | 2 +-
 6 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/vim/ftdetect/awk.vim b/vim/ftdetect/awk.vim
index ce845c52..9965235e 100644
--- a/vim/ftdetect/awk.vim
+++ b/vim/ftdetect/awk.vim
@@ -4,6 +4,6 @@ autocmd BufNewFile,BufRead
       \ setfiletype awk
 autocmd BufNewFile,BufRead
       \ *
-      \   if getline(1) =~ '^#!.*awk$'
+      \   if getline(1) =~# '\m^#!.*\<[gm]\?awk\>'
       \ |   setfiletype awk
       \ | endif
diff --git a/vim/ftdetect/perl.vim b/vim/ftdetect/perl.vim
index 3e8ec3b9..571e4f58 100644
--- a/vim/ftdetect/perl.vim
+++ b/vim/ftdetect/perl.vim
@@ -4,6 +4,6 @@ autocmd BufNewFile,BufRead
       \ setfiletype perl
 autocmd BufNewFile,BufRead
       \ *
-      \   if getline(1) =~ '^#!.*perl$'
+      \   if getline(1) =~# '\m^#!.*\<perl\>'
       \ |   setfiletype perl
       \ | endif
diff --git a/vim/ftdetect/perl6.vim b/vim/ftdetect/perl6.vim
index 2f7fce00..67e62c7c 100644
--- a/vim/ftdetect/perl6.vim
+++ b/vim/ftdetect/perl6.vim
@@ -4,6 +4,6 @@ autocmd BufNewFile,BufRead
       \ setfiletype perl6
 autocmd BufNewFile,BufRead
       \ *
-      \   if getline(1) =~ '^#!.*perl6$'
+      \   if getline(1) =~# '\m^#!.\<perl6\>'
       \ |   setfiletype perl6
       \ | endif
diff --git a/vim/ftdetect/python.vim b/vim/ftdetect/python.vim
index 50055005..5c4a4a6f 100644
--- a/vim/ftdetect/python.vim
+++ b/vim/ftdetect/python.vim
@@ -4,6 +4,6 @@ autocmd BufNewFile,BufRead
       \ setfiletype python
 autocmd BufNewFile,BufRead
       \ *
-      \ if getline(1) =~ '^#!.*python[23]\?$'
+      \ if getline(1) =~# '\m^#!.*\<python[23]\?\>'
       \ |   setfiletype python
       \ | endif
diff --git a/vim/ftdetect/sh.vim b/vim/ftdetect/sh.vim
index 1169b744..1427bc03 100644
--- a/vim/ftdetect/sh.vim
+++ b/vim/ftdetect/sh.vim
@@ -42,13 +42,13 @@ autocmd BufNewFile,BufRead
 autocmd BufNewFile,BufRead
       \ *
       \   if !exists('b:is_bash') && !exists('b:is_kornshell')
-      \ |   if getline(1) =~ '^#!.*bash$'
+      \ |   if getline(1) =~# '\m^#!.*\<bash\>'
       \ |     let b:is_bash = 1
       \ |     setfiletype sh
-      \ |   elseif getline(1) =~ '^#!.*ksh$'
+      \ |   elseif getline(1) =~# '\m^#!.*\<ksh\>'
       \ |     let b:is_ksh = 1
       \ |     setfiletype sh
-      \ |   elseif getline(1) =~ '^#!.*sh$'
+      \ |   elseif getline(1) =~# '\m^#!.*\<sh\>'
       \ |     let b:is_posix = 1
       \ |     setfiletype sh
       \ |   endif
diff --git a/vim/ftdetect/zsh.vim b/vim/ftdetect/zsh.vim
index 1bcde981..08556361 100644
--- a/vim/ftdetect/zsh.vim
+++ b/vim/ftdetect/zsh.vim
@@ -4,6 +4,6 @@ autocmd BufNewFile,BufRead
       \ setfiletype zsh
 autocmd BufNewFile,BufRead
       \ *
-      \   if getline(1) =~ '^#!.*zsh$'
+      \   if getline(1) =~# '^#!.*\<zsh\>'
       \ |   setfiletype zsh
       \ | endif
-- 
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