I modified lines of files

git/gitconfig

@@ -19,6 +19,7 @@
   size = "!git diff --cached --binary | wc -c | numfmt --to=iec-i"
   wipe = !sh -c 'git filter-branch --prune-empty -f --index-filter \\\\\"git rm -rf --cached --ignore-unmatch \\\"$1\\\"\\\\\" --tag-name-filter cat -- --all' -
 	x = "!exec "
+  unstage = reset HEAD --
 [push]
   default = matching
 [core]

vim/vimrc

@@ -15,6 +15,10 @@ command! WW %!sudo tee > /dev/null %
 let g:indent_guides_auto_colors = 0
 autocmd VimEnter,Colorscheme * :hi IndentGuidesOdd  guibg=darkgrey ctermbg=darkgrey
 autocmd VimEnter,Colorscheme * :hi IndentGuidesEven guibg=grey ctermbg=grey
+filetype plugin on
+set grepprg=grep\ -nH\ $*
+let g:tex_flavor='latex'
+
 
 "match Error /\s\+$/
 "nnoremap s xa
@@ -341,6 +345,8 @@ Plug 'https://github.com/xolox/vim-easytags'
   "Vim tags | https://github.com/xolox/vim-easytags
 Plug 'https://github.com/xolox/vim-misc'
   "Misc (required for easytags) | https://github.com/xolox/vim-misc
+Plug 'https://github.com/lervag/vimtex'
+  " | https://github.com/lervag/vimtex
 call plug#end()
 filetype plugin indent on
 if exists("+undofile")
@@ -405,4 +411,10 @@ function! Initialize()
     endif
   endif
 endfunction
+  if !exists('g:ycm_semantic_triggers')
+    let g:ycm_semantic_triggers = {}
+  endif
+  let g:ycm_semantic_triggers.tex = [
+        \ 're!\\[A-Za-z]*(ref|cite)[A-Za-z]*([^]]*])?{([^}]*, ?)*'
+        \ ]
 set guifont=Fixed\ Medium\ Semi-Condensed\ 10