dotfiles/vim/.vimrc

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""" Plug-in management
" Install vim-plug if not found
if empty(glob('~/.vim/autoload/plug.vim'))
silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
\ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
endif
" Run PlugInstall if there are missing plugins
autocmd VimEnter * if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
\| PlugInstall --sync | source $MYVIMRC
\| endif
" Load Plug-ins
call plug#begin()
Plug 'fatih/vim-go'
Plug 'bronson/vim-trailing-whitespace'
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Plug 'preservim/nerdcommenter'
call plug#end()
"""
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" Tmux integration to switch panes with Ctrl+{hjkl}
if exists('$TMUX')
function! TmuxOrSplitSwitch(wincmd, tmuxdir)
let previous_winnr = winnr()
silent! execute "wincmd " . a:wincmd
if previous_winnr == winnr()
call system("tmux select-pane -" . a:tmuxdir)
redraw!
endif
endfunction
let previous_title = substitute(system("tmux display-message -p '#{pane_title}'"), '\n', '', '')
let &t_ti = "\<Esc>2;vim\<Esc>\\" . &t_ti
let &t_te = "\<Esc>2;". previous_title . "\<Esc>\\" . &t_te
nnoremap <silent> <C-h> :call TmuxOrSplitSwitch('h', 'L')<cr>
nnoremap <silent> <C-j> :call TmuxOrSplitSwitch('j', 'D')<cr>
nnoremap <silent> <C-k> :call TmuxOrSplitSwitch('k', 'U')<cr>
nnoremap <silent> <C-l> :call TmuxOrSplitSwitch('l', 'R')<cr>
else
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l
endif
" coding preferences
filetype off
filetype plugin indent on
syntax on
set backspace=indent,eol,start
set noautoindent
set noswapfile
set number
set ruler
set showmatch
set smarttab
set ts=2 sw=2 sts=2 expandtab
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let g:NERDSpaceDelims=1
let mapleader=","
if has("autocmd")
autocmd FileType go set ts=2 sw=2 sts=2 noet nolist autowrite
endif