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" Do not use smart case in command line mode, extracted from https://vi.stackexchange.com/a/16511/15292.
augroup dynamic_smartcase
autocmd!
autocmd CmdLineEnter : set nosmartcase
autocmd CmdLineLeave : set smartcase
augroup END
augroup term_settings
autocmd!
" Do not use number and relative number for terminal inside nvim
autocmd TermOpen * setlocal norelativenumber nonumber
" Go to insert mode by default to start typing command
autocmd TermOpen * startinsert
augroup END
" More accurate syntax highlighting? (see `:h syn-sync`)
augroup accurate_syn_highlight
autocmd!
autocmd BufEnter * :syntax sync fromstart
augroup END
" Return to last cursor position when opening a file
augroup resume_cursor_position
autocmd!
autocmd BufReadPost * call s:resume_cursor_position()
augroup END
" Only resume last cursor position when there is no go-to-line command (something like '+23').
function s:resume_cursor_position() abort
if line("'\"") > 1 && line("'\"") <= line("$") && &ft !~# 'commit'
let l:args = v:argv " command line arguments
for l:cur_arg in l:args
" Check if a go-to-line command is given.
let idx = match(l:cur_arg, '\v^\+(\d){1,}$')
if idx != -1
return
endif
endfor
execute "normal! g`\"zvzz"
endif
endfunction
" Display a message when the current file is not in utf-8 format.
" Note that we need to use `unsilent` command here because of this issue:
" https://github.com/vim/vim/issues/4379
augroup non_utf8_file_warn
autocmd!
" we can not use `lua vim.notify()`: it will error out E5107 parsing lua.
autocmd BufRead * if &fileencoding != 'utf-8' | call v:lua.vim.notify('File not in UTF-8 format!', 'warn', {'title': 'nvim-config'}) | endif
augroup END
" Automatically reload the file if it is changed outside of Nvim, see
" https://unix.stackexchange.com/a/383044/221410. It seems that `checktime`
" command does not work in command line. We need to check if we are in command
" line before executing this command. See also
" https://vi.stackexchange.com/a/20397/15292.
augroup auto_read
autocmd!
autocmd FileChangedShellPost * call v:lua.vim.notify("File changed on disk. Buffer reloaded!", 'warn', {'title': 'nvim-config'})
autocmd FocusGained,CursorHold * if getcmdwintype() == '' | checktime | endif
augroup END
augroup numbertoggle
autocmd!
autocmd BufEnter,FocusGained,InsertLeave,WinEnter * if &nu | set rnu | endif
autocmd BufLeave,FocusLost,InsertEnter,WinLeave * if &nu | set nornu | endif
augroup END
" Define or override some highlight groups
augroup custom_highlight
autocmd!
autocmd ColorScheme * call s:custom_highlight()
augroup END
function! s:custom_highlight() abort
" For yank highlight
highlight YankColor ctermfg=59 ctermbg=41 guifg=#34495E guibg=#2ECC71
" For cursor colors
highlight Cursor cterm=bold gui=bold guibg=#00c918 guifg=black
highlight Cursor2 guifg=red guibg=red
" For floating windows border highlight
highlight FloatBorder guifg=LightGreen guibg=NONE
" highlight for matching parentheses
highlight MatchParen cterm=bold,underline gui=bold,underline
endfunction
" highlight yanked region, see `:h lua-highlight`
augroup highlight_yank
autocmd!
au TextYankPost * silent! lua vim.highlight.on_yank{higroup="YankColor", timeout=300, on_visual=false}
augroup END
augroup auto_close_win
autocmd!
autocmd BufEnter * call s:quit_current_win()
augroup END
" Quit Nvim if we have only one window, and its filetype match our pattern.
function! s:quit_current_win() abort
let l:quit_filetypes = ['qf', 'vista', 'NvimTree']
let l:should_quit = v:true
let l:tabwins = nvim_tabpage_list_wins(0)
for w in l:tabwins
let l:buf = nvim_win_get_buf(w)
let l:bf = getbufvar(l:buf, '&filetype')
if index(l:quit_filetypes, l:bf) == -1
let l:should_quit = v:false
endif
endfor
if l:should_quit
qall
endif
endfunction
augroup git_repo_check
autocmd!
autocmd VimEnter,DirChanged * call utils#Inside_git_repo()
augroup END
" Auto-generate packer_compiled.lua file
augroup packer_auto_compile
autocmd!
autocmd BufWritePost */nvim/lua/plugins.lua source <afile> | PackerCompile
augroup END
augroup auto_create_dir
autocmd!
autocmd BufWritePre * lua require('utils').may_create_dir(vim.fn.fnamemodify(vim.fn.expand('<afile>'), ":p:h"))
augroup END
" ref: https://vi.stackexchange.com/a/169/15292
function! s:handle_large_file() abort
let g:large_file = 10485760 " 10MB
let f = expand("<afile>")
if getfsize(f) > g:large_file || getfsize(f) == -2
set eventignore+=all
" turning off relative number helps a lot
set norelativenumber
setlocal noswapfile bufhidden=unload buftype=nowrite undolevels=-1
else
set eventignore-=all relativenumber
endif
endfunction
augroup LargeFile
autocmd!
autocmd BufReadPre * call s:handle_large_file()
augroup END
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