My vim config file

vimrc.local

" location of this file
" global (debian): /etc/vim/vimrc.local
" user: ~/.vimrc

" Avoid that defaults overwrite custom configuration
" see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837761
" run ':scriptnames' to show the import order
let skip_defaults_vim=1
source $VIMRUNTIME/defaults.vim

syntax on

" Uncomment the following to have Vim jump to the last position when reopening a file
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif

" Uncomment the following to have Vim load indentation rules and plugins
" according to the detected filetype.
filetype plugin on
filetype plugin indent on

" The following are commented out as they cause vim to behave a lot
" differently from regular Vi. They are highly recommended though.
"set showcmd            " Show (partial) command in status line.
set showmatch           " Show matching brackets.
"set ignorecase         " Do case insensitive matching
"set smartcase          " Do smart case matching
"set incsearch          " Incremental search
set autowrite           " Automatically save before commands like :next and :make
"set hidden             " Hide buffers when they are abandoned
"set mouse=a            " Enable mouse usage (all modes)


colorscheme elflord

"http://stackoverflow.com/questions/11489428/how-to-make-vim-paste-from-and-copy-to-systems-clipboard
" linux: install 'vim-gtk' for xterm_clipboard capability
set clipboard=unnamed

" fix backspace problems with vim installed from homebrew
" see http://vim.wikia.com/wiki/Backspace_and_delete_problems
set backspace=2 " make backspace work like most other apps
set backspace=indent,eol,start

" show line numbers by default
set number

set hlsearch
" disable incremental search during typing (enabled by default in debian
" testing with version 8 but not on osx ?)
set noincsearch

" disable interactive mouse that makes copy paste impossible in iterm
set mouse-=a

" Map F2 to 'paste|nopaste' toggle
" The paste toggle is especially usefull to disable auto-indentation temporarily
nnoremap <F2> :set invpaste paste?<CR>
set pastetoggle=<F2>
set showmode

" enable folding for markdown documents, but start unfolded
let g:markdown_folding=1
autocmd FileType markdown setlocal foldlevel=99
" show all characters see ':h conceallevel'
set conceallevel=2

" highlight trailing whitespace
" see https://vim.fandom.com/wiki/Highlight_unwanted_spaces
highlight ExtraWhitespace ctermbg=3c3c3c guibg=lightgreen
"highlight ExtraWhitespace ctermbg=240 guibg=lightgreen
autocmd ColorScheme * 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()

" >>>> Plugin Settings
"

" Plugin: vim-go
" Install: git clone https://github.com/r10r/vim-go.git ~/.vim/pack/vendor/start/vim-go
" cc: jump to first error
map <C-n> :cnext<CR>
map <C-m> :cprevious<CR>
nnoremap <leader>a :cclose<CR>
autocmd FileType go nmap <leader>b  <Plug>(go-build)
" navigation works for GoFmt with this
let g:go_list_type = "quickfix"
" see https://github.com/fatih/vim-go/pull/1415
" let g:go_list_type_commands = {"GoFmt": "quickfix" }


" Plugin: yaml-vim
" Doc: https://tpaschalis.github.io/yaml-vim/
" Install: git clone https://github.com/r10r/yaml-vim.git ~/.vim/pack/vendor/start/yaml-vim
autocmd FileType yaml setlocal ts=2 sts=2 sw=2 expandtab indentkeys-=0#


" Plugin: indentLine
" Install: git clone https://github.com/r10r/indentLine.git ~/.vim/pack/vendor/start/indentLine
" let g:indentLine_char = '⦙'
" NOTE: Only enable this for 'yaml' files. The plugin enables conceallevel=2 by default.
" This hides tokens used for syntax highlighting (e.g in markdown).
" see https://vi.stackexchange.com/questions/7258/how-do-i-prevent-vim-from-hiding-symbols-in-markdown-and-json/31059#31059
let g:indentLine_fileType = ['yaml']

" Plugin: vim-shfmt
" Description: Runs shfmt to auto format the current buffer by a command :Shfmt
" Install: git clone https://github.com/r10r/vim-shfmt.git ~/.vim/pack/vendor/start/vim-shfmt
let g:shfmt_fmt_on_save = 1

" General advice: Indent with tabs, align with spaces.
" The linux kernel coding convention is special and uses 8 spaces for indentation.
set copyindent
set preserveindent
set softtabstop=4
set shiftwidth=4
set tabstop=4

" Show tabs in shell scripts
" Heredocs can be indented by tabs. Set 'noet' to disable tab expansion when
" indenting a heredoc
"autocmd FileType sh setlocal list listchars=tab:>.
autocmd FileType sh setlocal noexpandtab

" Plugin: vim-clang-format
" Description: Formats your code with specific coding style using clang-format.
" Install: git clone https://github.com/r10r/vim-clang-format.git ~/.vim/pack/vendor/start/vim-clang-format
" autocmd FileType c ClangFormatAutoEnable
" autocmd FileType c setlocal list listchars=tab:>.
autocmd FileType c setlocal noexpandtab