First versionv0.1.0

1 files changed, 25 insertions, 0 deletions

diff --git a/plugin/shebang_change_filetype.vim b/plugin/shebang_change_filetype.vim
new file mode 100644
index 0000000..ca6c183
--- /dev/null
+++ b/plugin/shebang_change_filetype.vim
@@ -0,0 +1,25 @@
+"
+" shebang_change_filetype.vim: On leaving insert mode, check whether the first
+" line was changed and looks like a shebang format.
+"
+" Author: Tom Ryder <tom@sanctum.geek.nz>
+" License: Same as Vim itself
+"
+if exists('loaded_shebang_change_filetype') || &compatible
+  finish
+endif
+if !has('autocmd') || v:version < 700
+  finish
+endif
+let loaded_shebang_change_filetype = 1
+
+" Set up hook for before writes to check the buffer for new shebangs
+augroup shebang_change_filetype
+  autocmd!
+  autocmd InsertLeave *
+       \ call shebang_change_filetype#Check()
+  if exists('##TextChanged')
+    autocmd TextChanged *
+          \ call shebang_change_filetype#Check()
+  endif
+augroup END