dotfiles/.vimrc.common.epilogue

call plug#end()

let g:deoplete#enable_at_startup = 1

" line ending
set fileformats=unix,dos

" colours
set t_Co=256
syntax enable
set background=dark
highlight clear SignColumn
try
    colorscheme solarized
catch /^Vim\%((\a\+)\)\=:E185/
    colorscheme desert
endtry

" plugins: airline
let g:bufferline_echo = 0
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enabled = 1

" plugins: rust
let g:rustfmt_autosave = 1

if executable('ag')
  let g:ackprg = 'ag --vimgrep'
endif

if executable('rg')
  let g:ackprg = 'rg --no-heading --vimgrep'
  set grepprg=rg\ -i\ --vimgrep

  " Ripgrep on /
  command! -nargs=+ -complete=file -bar Rg silent! grep! <args>|cwindow|redraw!
  nnoremap <leader>/ :Rg<SPACE>
endif

if executable('rls')
    au User lsp_setup call lsp#register_server({
        \ 'name': 'rls',
        \ 'cmd': {server_info->['rustup', 'run', 'nightly', 'rls']},
        \ 'whitelist': ['rust'],
        \ })
    let g:lsp_signs_enabled = 1         " enable signs
    let g:lsp_diagnostics_echo_cursor = 1 " enable echo under cursor when in normal mode
    nnoremap <leader>d :LspDefinition<cr>
    nnoremap <leader>r :LspReferences<cr>
endif 

" fzf
if executable('rg')
  let $FZF_DEFAULT_COMMAND = 'rg --files --no-messages "" .'
  set grepprg=rg\ --vimgrep
endif

let g:fzf_command_prefix = 'Fzf'
if executable('fzf')
  nnoremap <leader>v :FzfFiles<cr>
  nnoremap <leader>u :FzfTags<cr>
  nnoremap <leader>j :call fzf#vim#tags("'".expand('<cword>'))<cr>

  if executable('rg')
    " :Find <term> runs `rg <term>` and passes it to fzf
    command! -bang -nargs=* Find call fzf#vim#grep('rg --column --line-number --no-heading --fixed-strings --ignore-case --no-ignore --hidden --follow --glob "!.git/*" --color "always" '.shellescape(<q-args>), 1, <bang>0)
    nnoremap <leader>/ :Find 
    nnoremap <leader>' :execute "Find " . expand("<cword>")<cr>
  endif
else
  nnoremap <leader>v :CtrlP<Space><cr>
endif

" appearance
set number
set relativenumber
set laststatus=2
set noshowmode
set showtabline=1 "only show tabline when more than 1 tab

set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*

" syntastic
let g:syntastic_always_populate_loc_list = 1
let g:syntastic_aggregate_errors = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0

let g:syntastic_rust_checkers=['cargo']

" language server
let g:LanguageClient_autoStart = 1
let g:LanguageClient_serverCommands = { 'rust': ['rustup', 'run', 'nightly', 'rls'] }

" exclude quickfix from the buffers list
augroup qf
    autocmd!
    autocmd FileType qf set nobuflisted
augroup END

" vimdiff
set diffopt+=iwhite
set diffexpr=""