Global vimrc for RHEL-like distros

vimrc

if filereadable(expand('$VIMRUNTIME/defaults.vim'))
    unlet! g:skip_defaults_vim
    source $VIMRUNTIME/defaults.vim
endif

if v:lang =~ "utf8$" || v:lang =~ "UTF-8$"
   set fileencodings=ucs-bom,utf-8,latin1
endif
                                                                                                                                                               
set nocompatible        " Use Vim defaults (much better!)
set bs=indent,eol,start   " allow backspacing over everything in insert mode
"set ai                   " always set autoindenting on
"set backup               " keep a backup file
set viminfo='20,\"50      " read/write a .viminfo file, don't store more
                          " than 50 lines of registers
set history=50            " keep 50 lines of command line history

" Only do this part when compiled with support for autocommands
if has("autocmd")
    augroup redhat
    autocmd!
    " In text files, always limit the width of text to 78 characters
    " autocmd BufRead *.txt set tw=78
    " When editing a file, always jump to the last cursor position
    autocmd BufReadPost *                                                                                                                                          
    \ if line("'\"") > 0 && line ("'\"") <= line("$") |
    \   exe "normal! g'\"" |
    \ endif                                                                                                                                                        
    " don't write swapfile on most commonly used directories for NFS mounts or USB sticks
    autocmd BufNewFile,BufReadPre /media/*,/run/media/*,/mnt/* set directory=~/tmp,/var/tmp,/tmp
    " start with spec file template
    autocmd BufNewFile *.spec 0r /usr/share/vim/vimfiles/template.spec
    augroup END
endif

if has("cscope") && filereadable("/usr/bin/cscope")
    set csprg=/usr/bin/cscope
    set csto=0
    set cst
    set nocsverb
    " add any database in current directory
    if filereadable("cscope.out")
        cs add $PWD/cscope.out
    " else add database pointed to by environment
    elseif $CSCOPE_DB != ""
        cs add $CSCOPE_DB
    endif
    set csverb
endif

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
    syntax on
    set hlsearch
    colorscheme torte
    highlight LineNr term=bold cterm=NONE ctermfg=DarkGrey ctermbg=NONE gui=NONE guifg=DarkGrey guibg=NONE
endif


filetype plugin indent on

if &term=="xterm"
    set t_Co=8
    set t_Sb=m
    set t_Sf=m
endif

" Don't wake up system with blinking cursor:
" http://www.linuxpowertop.org/known.php
let &guicursor = &guicursor . ",a:blinkon0"

set autoread                                     " reload on external file changes
set hidden                                       " hide buffers, don't close
set nowrap                                       " disable wrapping
set number                                       " show line numbers
set wildmenu                                     " wildmode settings
set incsearch
set ignorecase
set smartcase
set showmatch                                    " show matching brackets
set autoindent expandtab                         " autoindentation & tabbing
set shiftwidth=4                                 " 1 tab = 4 spaces
set softtabstop=4                                " 1 tab = 4 spaces
set tabstop=4                                    " 1 tab = 4 spaces
set nobackup noswapfile nowritebackup            " disable backup/swap files
set lazyredraw                                   " enable lazyredraw
set nocursorline                                 " disable cursorline
set ttyfast                                      " enable fast terminal connection
let mapleader=','                                " leader key