Avoid autocmd spam

diff --git a/vimrc.dot.link b/vimrc.dot.link
index ed464aaa163ec796cd1cce653fdc3468d4d6a844..38df4a495fd8bf571cac3c3f87d8233da61e8450 100644 (file)
--- a/vimrc.dot.link
+++ b/vimrc.dot.link
@@ -35,8 +35,13 @@ function! ResetTitle(title)
     exec ":!xtitle " a:title
 endfunction
 
-au VimLeave *mutt/*   silent call ResetTitle("mutt")
-au VimLeave *remind/* silent call ResetTitle("wyrd")
+" Avoid autocmd spam by using augroups and reseting autocmd
+" https://stackoverflow.com/questions/19030290/syntax-highlighting-causes-terrible-lag-in-vim
+augroup vimleave
+  autocmd!
+  au VimLeave *mutt/*   silent call ResetTitle("mutt")
+  au VimLeave *remind/* silent call ResetTitle("calendar")
+augroup END
 
 " Command mode completion
 " See https://stackoverflow.com/questions/526858/how-do-i-make-vim-do-normal-bash-like-tab-completion-for-file-names
@@ -62,22 +67,27 @@ set wildmenu
 let php_sql_query=1
 
 " Filetypes
-au BufNewFile,BufRead *.vue       set ft=html
-au BufNewFile,BufRead *.thtml     set ft=php
-au BufNewFile,BufRead *.mdwn      set ft=ikiwiki
-au BufNewFile,BufRead *.md        set ft=ikiwiki
-au BufNewFile,BufRead *.rem       set ft=remind
-au BufNewFile,BufRead *.trac      set ft=tracwiki
-au BufNewFile,BufRead *.tracwiki  set ft=tracwiki
-au BufNewFile,BufRead Vagrantfile set ft=ruby
+augroup vimrc_syntax
+  autocmd!
+  au BufNewFile,BufRead *.vue       set ft=html
+  au BufNewFile,BufRead *.thtml     set ft=php
+  au BufNewFile,BufRead *.mdwn      set ft=ikiwiki
+  au BufNewFile,BufRead *.md        set ft=ikiwiki
+  au BufNewFile,BufRead *.rem       set ft=remind
+  au BufNewFile,BufRead *.trac      set ft=tracwiki
+  au BufNewFile,BufRead *.tracwiki  set ft=tracwiki
+  au BufNewFile,BufRead Vagrantfile set ft=ruby
+augroup END
 
 augroup mkd
- autocmd BufRead *.mkd set ai formatoptions=tcroqn2 comments=n:>
+  autocmd!
+  autocmd BufRead *.mkd set ai formatoptions=tcroqn2 comments=n:>
 augroup END
 
 if has("autocmd")
   " Drupal *.module and *.install files.
   augroup module
+    autocmd!
     autocmd BufRead,BufNewFile *.profile set filetype=php
     autocmd BufRead,BufNewFile *.module  set filetype=php
     autocmd BufRead,BufNewFile *.install set filetype=php
@@ -276,12 +286,15 @@ imap <ESC><Up> <ESC><C-w><Up>
 " NERDTree section
 " Thanks to http://stackoverflow.com/questions/1447334/how-do-you-add-nerdtree-to-your-vimrc
 
-" Open NERDTree when vim starts
-"autocmd VimEnter * NERDTree
-"autocmd VimEnter * wincmd p
+augroup nerdtree
+  autocmd!
+  " Open NERDTree when vim starts
+  "autocmd VimEnter * NERDTree
+  "autocmd VimEnter * wincmd p
 
-autocmd FileType nerdtree set relativenumber
-autocmd FileType taglist  set relativenumber
+  autocmd FileType nerdtree set relativenumber
+  autocmd FileType taglist  set relativenumber
+augroup END
 
 function TabNew(address)
   execute ":tabnew"
@@ -315,7 +328,10 @@ vmap <C-x> "+c
 
 " Workaround for mail editing. There must be a plugin enabling autoindent in
 " mail composition, which is annoying.
-au FileType mail set noautoindent
+augroup mail
+  autocmd!
+  au FileType mail set noautoindent
+augroup END
 
 " For email: unfold and delete to your signature
 " See https://hroy.eu/tips/vim/email-delete-til-signature/