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.vimrc
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" Bail out if something that ran earlier, e.g. a system wide vimrc, does not
" want Vim to use these default values.
"if exists('skip_defaults_vim')
" finish
"endif
" Use Vim settings, rather than Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
" Avoid side effects when it was already reset.
if &compatible
set nocompatible
endif
" When the +eval feature is missing, the set command above will be skipped.
" Use a trick to reset compatible only when the +eval feature is missing.
silent! while 0
set nocompatible
silent! endwhile
" Allow backspacing over everything in insert mode.
set backspace=indent,eol,start
set history=200 " keep 200 lines of command line history
set ruler " show the cursor position all the time
set showcmd " display incomplete commands
set wildmenu " display completion matches in a status line
set ttimeout " time out for key codes
set ttimeoutlen=100 " wait up to 100ms after Esc for special key
" Show @@@ in the last line if it is truncated.
set display=truncate
" Show a few lines of context around the cursor. Note that this makes the
" text scroll if you mouse-click near the start or end of the window.
set scrolloff=2
" Do incremental searching when it's possible to timeout.
if has('reltime')
set incsearch
endif
" Do not recognize octal numbers for Ctrl-A and Ctrl-X, most users find it
" confusing.
set nrformats-=octal
" For Win32 GUI: remove 't' flag from 'guioptions': no tearoff menu entries.
if has('win32')
set guioptions-=t
endif
" Don't use Ex mode, use Q for formatting.
" Revert with ":unmap Q".
map Q gq
" CTRL-U in insert mode deletes a lot. Use CTRL-G u to first break undo,
" so that you can undo CTRL-U after inserting a line break.
" Revert with ":iunmap <C-U>".
inoremap <C-U> <C-G>u<C-U>
" In many terminal emulators the mouse works just fine. By enabling it you
" can position the cursor, Visually select and scroll with the mouse.
if has('mouse')
set mouse=a
endif
" Switch syntax highlighting on when the terminal has colors or when using the
" GUI (which always has colors).
if &t_Co > 2 || has("gui_running")
" Revert with ":syntax off".
syntax on
" I like highlighting strings inside C comments.
" Revert with ":unlet c_comment_strings".
let c_comment_strings=1
endif
" Only do this part when compiled with support for autocommands.
if has("autocmd")
" Enable file type detection.
" Use the default filetype settings, so that mail gets 'tw' set to 72,
" 'cindent' is on in C files, etc.
" Also load indent files, to automatically do language-dependent indenting.
" Revert with ":filetype off".
filetype plugin indent on
" Put these in an autocmd group, so that you can revert them with:
" ":augroup vimStartup | au! | augroup END"
augroup vimStartup
au!
" When editing a file, always jump to the last known cursor position.
" Don't do it when the position is invalid, when inside an event handler
" (happens when dropping a file on gvim) and for a commit message (it's
" likely a different one than last time).
autocmd BufReadPost *
\ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit'
\ | exe "normal! g`\""
\ | endif
augroup END
endif " has("autocmd")
" Convenient command to see the difference between the current buffer and the
" file it was loaded from, thus the changes you made.
" Only define it when not defined already.
" Revert with: ":delcommand DiffOrig".
if !exists(":DiffOrig")
command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis
\ | wincmd p | diffthis
endif
if has('langmap') && exists('+langremap')
" Prevent that the langmap option applies to characters that result from a
" mapping. If set (default), this may break plugins (but it's backward
" compatible).
set nolangremap
endif
"------------------"
" My Edits "
"------------------"
set number " Show line numbers
set tabstop=4 " number of visual spaces per TAB
set softtabstop=4 " delete tabs
set expandtab " tabs are spaces
set cursorline " highlight current line
set autoindent " Autoindent when coding
set wildmenu " Tab for graphical menu of all the matches
set showmatch " Highlight matching [{()}]
set laststatus=2 " for lightline.vim
set noswapfile " disable the swapfile
set hlsearch " highlight all results
set ignorecase " ignore case in search
nnoremap <CR> :noh<CR><CR>
" --- autocmds ---"
autocmd BufNewFile,BufFilePre,BufRead *.md set filetype=markdown.pandoc " Markdown
" --- nmaps --- "
"nmap <C-n> :NERDTreeToggle<CR>
map <C-o> :NERDTreeToggle<CR>
"------------------------------------------------------------"
" vim-plug → https://github.com/junegunn/vim-plug "
" Plugins will be downloaded under the specified directory. "
"------------------------------------------------------------"
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif
call plug#begin('~/.vim/plugged')
"-- Declare the list of plugins.
Plug 'airblade/vim-gitgutter' " git diff markers in column
Plug 'dense-analysis/ale' " Asynchronous Lint Engine
Plug 'itchyny/lightline.vim' " configurable statusline/tabline
Plug 'preservim/nerdtree' " tree explorer
Plug 'Xuyuanp/nerdtree-git-plugin'
"-- List ends here. Plugins become visible to Vim after this call.
call plug#end()
" Start NERDTree. If a file is specified, move the cursor to its window.
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * NERDTree | if argc() > 0 || exists("s:std_in") | wincmd p | endif
" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
" ----------------- "
" --- Movements --- "
" ----------------- "
" g<mv> → Move one physical line
nnoremap j gj
nnoremap k gk