My personal vimrc for golang, requires vundle.

Golang .vimrc

" Description: Vimrc with golang compatibility. Replaces default vimrc
" Author: Carlos Edmundo Martinez Mendoza.
" Created: 2016-03-09 00:00:00

" Necesary for lots of cool vim things
set nocompatible

" {{{ Auto commands
"
" Automatically cd into the directory that the file is in
autocmd VimEnter * silent! :cd%:p:h

" Remove trailing whitespace that is in the file
autocmd BufRead,BufWrite * if ! &bin | silent! %s/\s\+$//ge | endif

" Restore cursor position to where it was before
augroup JumpCursorOnEdit
   au!
   autocmd BufReadPost *
            \ if expand("<afile>:p:h") !=? $TEMP |
            \   if line("'\"") > 1 && line("'\"") <= line("$") |
            \     let JumpCursorOnEdit_foo = line("'\"") |
            \     let b:doopenfold = 1 |
            \     if (foldlevel(JumpCursorOnEdit_foo) > foldlevel(JumpCursorOnEdit_foo - 1)) |
            \        let JumpCursorOnEdit_foo = JumpCursorOnEdit_foo - 1 |
            \        let b:doopenfold = 2 |
            \     endif |
            \     exe JumpCursorOnEdit_foo |
            \   endif |
            \ endif
   " Need to postpone using "zv" until after reading the modelines.
   autocmd BufWinEnter *
            \ if exists("b:doopenfold") |
            \   exe "normal zv" |
            \   if(b:doopenfold > 1) |
            \       exe  "+".1 |
            \   endif |
            \   unlet b:doopenfold |
            \ endif
augroup END
" }}}

" {{{ Vundle
call plug#begin('~/.vim/plugged')

Plug 'tpope/vim-fugitive'
Plug 'fatih/vim-go'
Plug 'gilgigilgil/anderson.vim'

call plug#end()
filetype plugin indent on
" }}}

" {{{ Vundle plugin settings

" Airline
" let g:airline_powerline_fonts = 1

" Syntastic
set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*

let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0

" Golang settings
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_structs = 1
let g:go_highlight_interfaces = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1
let g:go_fmt_command = "goimports"
let g:go_fmt_fail_silently = 1
let g:go_fmt_autosave = 1
let g:syntastic_go_checkers = ['golint', 'govet', 'errcheck']
let g:syntastic_mode_map = { 'mode': 'active', 'passive_filetypes': ['go'] }

" GoTags
let g:tagbar_type_go = {
    \ 'ctagstype' : 'go',
    \ 'kinds'     : [
        \ 'p:package',
        \ 'i:imports:1',
        \ 'c:constants',
        \ 'v:variables',
        \ 't:types',
        \ 'n:interfaces',
        \ 'w:fields',
        \ 'e:embedded',
        \ 'm:methods',
        \ 'r:constructor',
        \ 'f:functions'
    \ ],
    \ 'sro' : '.',
    \ 'kind2scope' : {
        \ 't' : 'ctype',
        \ 'n' : 'ntype'
    \ },
    \ 'scope2kind' : {
        \ 'ctype' : 't',
        \ 'ntype' : 'n'
    \ },
    \ 'ctagsbin'  : 'gotags',
    \ 'ctagsargs' : '-sort -silent'
\ }

" }}}

" {{{ Misc settings

" Needed for syntax highlighting and stuff
syntax enable
set grepprg=grep\ -nH\ $*

" Set default encoding as UTF-8
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac

" Turn backup off, since most stuff is in SVN, git et.c anyway...
set nobackup
set nowb
set noswapfile

" Cool colors
colorscheme anderson

" Show line numbers
set number

" Who doesn't like autoindent?
set autoindent

" Spaces are better than a tab character
set expandtab
set smarttab

" Gofmt outputs
set shiftwidth=8
set softtabstop=8

" Enable mouse support in console
set mouse=a

" Got backspace?
set backspace=indent,eol,start

" Incremental searching is sexy
set incsearch

" Highlight things that we find with the search
set hlsearch

" Better command-line completion
set wildmenu

" Use visual bell instead of beeping when doing something wrong
set visualbell

" Use <F11> to toggle between 'paste' and 'nopaste'
set pastetoggle=<F11>

" Create a new tab or switch if already open when jumping
set switchbuf+=usetab,newtab

" Set leader key
let mapleader = ","

" Airline always on
" set laststatus=0
set ruler
set rulerformat=%l\:%c

" I want to see hidden characters, because reasons
" set listchars=eol:$
" set list

" Color at 80
" set colorcolumn=80

" }}}

" {{{ Mappings

" Map Y to act like D and C, i.e. to yank until EOL, rather than act as yy
" map Y y$

" Replace selection using c-r
vnoremap <C-r> "hy:%s/<C-r>h//gc<left><left><left>

" Visual shifting (does not exit Visual mode)
vnoremap < <gv
vnoremap > >gv

" Golang bindings
au FileType go nmap <leader>r <Plug>(go-run)
au FileType go nmap <leader>b <Plug>(go-build)
au FileType go nmap <leader>t <Plug>(go-test)
au FileType go nmap <leader>c <Plug>(go-coverage)

au FileType go nmap <Leader>ds <Plug>(go-def-split)
au FileType go nmap <Leader>dv <Plug>(go-def-vertical)
au FileType go nmap <Leader>dt <Plug>(go-def-tab)

au FileType go nmap <Leader>gd <Plug>(go-doc)
au FileType go nmap <Leader>gv <Plug>(go-doc-vertical)
au FileType go nmap <Leader>gb <Plug>(go-doc-browser)

au FileType go nmap <Leader>s <Plug>(go-implements)
au FileType go nmap <Leader>i <Plug>(go-info)
au FileType go nmap <Leader>e <Plug>(go-rename)

au FileType go nmap <Leader>f :GoImports<cr>:GoLint<cr>

" Window navigation
map <C-Up> <C-W>k
map <C-Down> <C-W>j
map <C-Left> <C-W>h
map <C-Right> <C-W>l

map <C-S-Up> :resize +10<cr>
map <C-S-Down> :resize -10<cr>
map <C-S-Left> :vertical resize -10<cr>
map <C-S-Right> :vertical resize +10<cr>


" Delete highlight
map <leader><bs> :noh<cr>

" Sometimes I git W instead w
:command WQ wq
:command Wq wq
:command W w
:command Q q

" }}}

" {{{ Autocmds

" Somethimes golang plugin for templates inserts U+00A0 spaces.
autocmd BufWritePost *.tmpl silent! %s/\%xA0/ /g

" }}}

" {{{ Common functions
" Source: http://stackoverflow.com/questions/676600/vim-search-and-replace-selected-text
vnoremap <C-r> "hy:%s/<C-r>h//gc<left><left><left>

" Source: http://stackoverflow.com/questions/11366390/how-to-enumerate-tabs-in-vim
fu! MyTabLabel(n)
let buflist = tabpagebuflist(a:n)
let winnr = tabpagewinnr(a:n)
let string = fnamemodify(bufname(buflist[winnr - 1]), ':t')
return empty(string) ? '[unnamed]' : string
endfu

fu! MyTabLine()
let s = ''
for i in range(tabpagenr('$'))
" select the highlighting
    if i + 1 == tabpagenr()
    let s .= '%#TabLineSel#'
    else
    let s .= '%#TabLine#'
    endif

    " set the tab page number (for mouse clicks)
    "let s .= '%' . (i + 1) . 'T'
    " display tabnumber (for use with <count>gt, etc)
    let s .= ' '. (i+1) . ' '

    " the label is made by MyTabLabel()
    let s .= ' %{MyTabLabel(' . (i + 1) . ')} '

    if i+1 < tabpagenr('$')
        let s .= ' |'
    endif
endfor
return s
endfu
set tabline=%!MyTabLine()

" }}}


" Two spces on html files
au FileType html set expandtab smarttab shiftwidth=2 softtabstop=2
au FileType js set expandtab smarttab shiftwidth=2 softtabstop=2
au FileType css set expandtab smarttab shiftwidth=2 softtabstop=2
au BufReadPost,BufNewFile *.hbs set filetype=handlebars smartindent expandtab smarttab shiftwidth=2 softtabstop=2