More clean-ups

Better Cross-platform stuff

https://vimways.org/2018/from-vimrc-to-vim/

config/02-general.vim

@@ -45,85 +45,3 @@ imap jk <Esc>
 
 " set wildignore+=*/Deploy/*,*/node_modules/*,*/build/*,*/lib/*,*/bower_components/*,*/jspm_packages/*
 set completeopt=longest,menuone,preview
-
-" Stolen from maralla/dotvim
-function! EnsureExists(path) abort
-    if !isdirectory(expand(a:path))
-        call mkdir(expand(a:path))
-    endif
-endfunction
-
-" persistent undo
-if exists('+undofile')
-    set undofile
-    set undodir=~/.vim/.cache/undo
-endif
-
-" backups
-set backup
-set backupdir=~/.vim/.cache/backup
-
-" swap files
-set directory=~/.vim/.cache/swap
-set noswapfile
-
-call EnsureExists('~/.vim/.cache')
-call EnsureExists(&undodir)
-call EnsureExists(&backupdir)
-call EnsureExists(&directory)
-
- " Set up CtrlP with faster alternative, if possible
- if executable('ag')
-     " Use The Silver Searcher https://github.com/ggreer/the_silver_searcher
-     set grepprg=ag\ --nogroup\ --nocolor
-     " Use ag in CtrlP for listing files. Lightning fast, respects .gitignore
-     " and .agignore. Ignores hidden files by default.
-     let g:ctrlp_user_command = 'ag %s -l --nocolor -f -g ""'
-     let g:ctrlp_use_caching = 0
- else
-     if executable('rg')
-         set grepprg=rg\ --color=never
-
-         let g:ctrlp_user_command = 'rg %s --files --color=never --glob ""'
-         let g:ctrlp_use_caching = 0
-     else
-         "ctrl+p ignore files in .gitignore
-         let g:ctrlp_user_command = ['.git', 'cd %s && git ls-files . -co --exclude-standard', 'find %s -type f']
-     endif
- endif
-
- if has('gui_running')
-     set guioptions-=mTr " disable toolbar, menubar and scrollbar
-     if has('win32')
-         set guifont=Source_Code_Pro:h12:cANSI
-     endif
-     if has('osx')
-         set guifont=Source_Code_Pro:h13
-     endif
- else
-     if(has('mouse'))
-         set mouse=a
-     endif
-     if $TERM_PROGRAM ==? 'iTerm.app'
-         " different cursors for insert vs normal mode
-         if exists('$TMUX')
-             let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
-             let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"
-         else
-             let &t_SI = "\<Esc>]50;CursorShape=1\x7"
-             let &t_EI = "\<Esc>]50;CursorShape=0\x7"
-         endif
-     endif
-
-     " Windows-specific setting allowing for 256-colors etc
-     if($ConEmuANSI ==? 'ON')
-         set term=xterm
-         set t_Co=256
-         let &t_AB='\e[48;5;%dm'       " background color
-         let &t_AF='\e[38;5;%dm'       " foreground color
-         inoremap <Esc>[62~ <C-X><C-E>
-         inoremap <Esc>[63~ <C-X><C-Y>
-         nnoremap <Esc>[62~ <C-E>
-         nnoremap <Esc>[63~ <C-Y>
-     endif
- endif