My new .vimrc (2025)

.vimrc

" JK Jung's .vmirc
"
" Reference: https://realpython.com/vim-and-python-a-match-made-in-heaven/
"
" Installation:
" 1. Download this file and save it to the proper location.
"    URL:     https://gist.githubusercontent.com/jkjung-avt/8d09eca6b60c2bdf1065fed417dc2f18/raw/661afaa665b5fcc2aab3b935bebca2a8fb6994f0/.vimrc
"    Linux:   ${HOME}/.vimrc
"    Windows: %USERPROFILE%/vimfiles/vimrc (Windows)
" 2. Install Vundle.
"    Linux:   $ git clone https://github.com/gmarik/Vundle.vim.git ~/.vim/bundle/Vundle.vim
"    Windows: $ git clone https://github.com/gmarik/Vundle.vim.git %USERPROFILE%/vimfiles/bundle/Vundle.vim
" 3. Enter vim and do `:PluginInstall`.

" use forward slash to expand file paths/names
filetype off
set shellslash

" set the runtime path to include Vundle and initialize for Linux
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin('~/.vim/bundle')
" set the runtime path to include Vundle and initialize for Windows
" set rtp+=~/vimfiles/bundle/Vundle.vim
" call vundle#begin('~/vimfiles/bundle')

" here goes the plugins
Plugin 'gmarik/Vundle.vim'
Plugin 'tmhedberg/SimpylFold'
Plugin 'vim-scripts/indentpython.vim'
Plugin 'vim-syntastic/syntastic'
Plugin 'nvie/vim-flake8'
Plugin 'davidhalter/jedi-vim'
Plugin 'jnurmine/Zenburn'
Plugin 'altercation/vim-colors-solarized'
Plugin 'scrooloose/nerdtree'
Plugin 'kien/ctrlp.vim'
Plugin 'tpope/vim-fugitive'
Plugin 'Lokaltog/powerline', {'rtp': 'powerline/bindings/vim/'}

" finish setting up plugins
call vundle#end()
filetype plugin indent on

" split behavior
set splitbelow
set splitright

" auto-resize splits when vim gets resized
autocmd VimResized * wincmd =

" split navigations
nnoremap <C-j>     <C-w><C-j>
nnoremap <C-k>     <C-w><C-k>
nnoremap <C-l>     <C-w><C-l>
nnoremap <C-h>     <C-w><C-h>
nnoremap <C-Down>  <C-w><C-j>
nnoremap <C-Up>    <C-w><C-k>
nnoremap <C-Left>  <C-w><C-l>
nnoremap <C-Right> <C-w><C-h>

" treat visual lines as actual lines when moving around
noremap  j         gj
noremap  k         gk
noremap  <Down>    gj
noremap  <Up>      gk
inoremap <Down>    <C-o>gj
inoremap <Up>      <C-o>gk

" navigate quickfix list with ease
nnoremap <silent> <Leader>] :cnext<CR>
nnoremap <silent> <Leader>[ :cprevious<CR>

" enable folding with the spacebar
nnoremap <space> za

" show docstring for folded code (if wanted)
" let g:SimpylFold_docstring_preview=1

" set encoding and indentation for python and shell scripts
au BufRead,BufNewFile *.py,*.pyx,*pyw,*.sh set tabstop=4 softtabstop=4 shiftwidth=4
au BufRead,BufNewFile *.py,*.pyx,*pyw,*.sh set expandtab
au BufRead,BufNewFile *.py,*.pyx,*pyw,*.sh set smarttab
au BufRead,BufNewFile *.py,*.pyx,*pyw,*.sh set autoindent
au BufRead,BufNewFile *.py,*.pyx,*pyw,*.sh set smartindent
au BufRead,BufNewFile *.py,*.pyx,*pyw,*.sh set shiftround

" ensure tabs don't get converted to spaces in Makefiles
autocmd FileType make setlocal noexpandtab

" highlight unwanted spaces
highlight ExtraWhitespace ctermbg=red guibg=red
match   ExtraWhitespace /\s\+$/
autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
autocmd InsertLeave * match ExtraWhitespace /\s\+$/
autocmd BufWinLeave * call clearmatches()

" enable UTF-8 support
set encoding=utf-8

" show cursor line only in the active buffer
augroup CursorLine
    au!
    au VimEnter,WinEnter,BufWinEnter * setlocal cursorline
    au WinLeave * setlocal nocursorline
augroup END
highlight CursorLine ctermbg=1

" turn on syntax highlighting
let g:python_highlight_all=1
syntax on

" set colorscheme
if has('gui_running')
    set background=dark
    colorscheme solarized
else
    colorscheme zenburn
endif
call togglebg#map("<Leader>b")

" open/close NERDTree
nnoremap <silent> <expr> <Leader>n g:NERDTree.IsOpen() ? " "\:NERDTreeClose<CR>" : bufexists(expand('%')) ? "\:NERDTreeFind<CR>" : " "\:NERDTree<CR>"

" ignore certain failes in NERDTree
" let g:NERDTreeIgnore=['\.pyc$', '\~$'] "ignore files in NERDTree
let g:NERDTreeShowHidden=1
let g:NERDTreeAutoDeleteBuffer=1
let g:NERDTreeQuitOnOpen=0

" map key for CtrlP
let g:ctrlp_map='<C-p>'
let g:ctrlp_cmd='CtrlP'

" show relative line numbers and wrap lines visually
set rnu
set wrap
set sidescroll=5
set listchars+=precedes:<,extends:>

" use system clipboard
set clipboard=unnamed

" disable stupid backup and swap files
set nobackup
set nowritebackup
set noswapfile

" highlight column 80
highlight ColorColumn ctermbg=8
set colorcolumn=80

" disable wrapping
set textwidth=0
set wrapmargin=0

" always show status line
set laststatus=2

" highlight tabs
set list
set listchars=tab:T>

" enlarge history
set history=1000
set undolevels=1000

" Set spell-check language
set spelllang=en
" set spell

" let numbers default to decimal (for Ctrl-a increment and Ctrl-x decrement)
set nrformats-=octal

" make backspaces more powerfull
set backspace=indent,eol,start

" show partial command
set showcmd

" make search case insensitive
set hlsearch
set incsearch
set ignorecase
set smartcase

" allow unsaved file buffers
set hidden

" add file finding path to all recursive subdirectories
set path=.,**