From fe9cfa904195fec45446fc8ba693a43d0d519be5 Mon Sep 17 00:00:00 2001
From: yushyin <yushyin@saga>
Date: Mon, 14 Dec 2020 03:12:38 +0100
Subject: Vim: Set omnifunc for every lsp enabled buffer

---
 vim/files/after/ftplugin/c.vim       |  5 -----
 vim/files/after/ftplugin/haskell.vim |  1 -
 vim/files/vimrc                      | 11 ++++++++++-
 3 files changed, 10 insertions(+), 7 deletions(-)
 delete mode 100644 vim/files/after/ftplugin/c.vim
 delete mode 100644 vim/files/after/ftplugin/haskell.vim

diff --git a/vim/files/after/ftplugin/c.vim b/vim/files/after/ftplugin/c.vim
deleted file mode 100644
index 2e39262..0000000
--- a/vim/files/after/ftplugin/c.vim
+++ /dev/null
@@ -1,5 +0,0 @@
-if dein#tap('vim-lsp')
-	if executable('ccls')
-		setl omnifunc=lsp#complete
-	endif
-endif
diff --git a/vim/files/after/ftplugin/haskell.vim b/vim/files/after/ftplugin/haskell.vim
deleted file mode 100644
index eb4194c..0000000
--- a/vim/files/after/ftplugin/haskell.vim
+++ /dev/null
@@ -1 +0,0 @@
-setl omnifunc=lsp#complete
diff --git a/vim/files/vimrc b/vim/files/vimrc
index 4677b0f..c79c016 100644
--- a/vim/files/vimrc
+++ b/vim/files/vimrc
@@ -119,7 +119,6 @@ if dein#tap('vim-lsp')
 			\ 'whitelist': ['rust'],
 			\ })
 
-		au FileType rust setl omnifunc=lsp#complete
 	endif
 	if executable('ghcide')
 		au User lsp_setup call lsp#register_server({
@@ -129,6 +128,16 @@ if dein#tap('vim-lsp')
 			\ })
 	endif
 
+	function! s:on_lsp_buffer_enabled() abort
+		setl omnifunc=lsp#complete
+		setl signcolumn=yes
+	endfunction
+
+	augroup lsp_install
+		au!
+		au User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
+	augroup end
+
 	nnoremap [Lsp] <Nop>
 	nmap <leader>l [Lsp]
 
-- 
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