My Vim Setup for GoLang

.ctags

--langdef=Go
--langmap=Go:.go
--regex-Go=/func([ \t]+\([^)]+\))?[ \t]+([a-zA-Z0-9_]+)/\2/f,func/
--regex-Go=/var[ \t]+([a-zA-Z_][a-zA-Z0-9_]+)/\1/v,var/
--regex-Go=/type[ \t]+([a-zA-Z_][a-zA-Z0-9_]+)/\1/t,type/

build_vim.sh

#!/bin/bash

#purge current settings
apt-get -y remove --purge vim vim-runtime vim-gnome vim-tiny vim-common vim-gui-common
#install tools need to build vim from scratch
apt-get -y  build-dep vim-gnome liblua5.1-dev luajit libluajit-5.1 python-dev ruby-dev libperl-dev libncurses5-dev libgnome2-dev libgnomeui-dev libgtk2.0-dev libatk1.0-dev libbonoboui2-dev libcairo2-dev libx11-dev libxpm-dev libxt-dev make
#remove traces of vim
rm -rf /usr/local/share/vim
rm /usr/bin/vim
#lua option setuo
mkdir /usr/include/lua5.1/include
mv /usr/include/lua5.1/*.h /usr/include/lua5.1/include/
ln -s /usr/bin/luajit-2.0.0-beta9 /usr/bin/luajit
#move to specific loacation
cd ~
git clone https://github.com/vim/vim
cd vim/src
make distclean
./configure --with-features=huge \
            --enable-rubyinterp \
            --enable-largefile \
            --disable-netbeans \
            --enable-pythoninterp \
            --with-python-config-dir=/usr/lib/python2.7/config \
            --enable-perlinterp \
            --enable-luainterp \
            --with-luajit \
            --enable-gui=auto \
            --enable-fail-if-missing \
            --with-lua-prefix=/usr/include/lua5.1 \
            --enable-cscope 
make
make install

my_configs.vim

" Disable AutoComplPop.
let g:acp_enableAtStartup = 0
" Use neocomplete.
let g:neocomplete#enable_at_startup = 1
" Use smartcase.
let g:neocomplete#enable_smart_case = 1
" Set minimum syntax keyword length.
let g:neocomplete#sources#syntax#min_keyword_length = 3

" Plugin key-mappings.
inoremap <expr><C-g>     neocomplete#undo_completion()
inoremap <expr><C-l>     neocomplete#complete_common_string()

" Recommended key-mappings.
" <CR>: close popup and save indent.
inoremap <silent> <CR> <C-r>=<SID>my_cr_function()<CR>
function! s:my_cr_function()
    return neocomplete#close_popup() . "\<CR>"
endfunction
" <TAB>: completion.
inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
" <C-h>, <BS>: close popup and delete backword char.
inoremap <expr><C-h> neocomplete#smart_close_popup()."\<C-h>"
inoremap <expr><BS> neocomplete#smart_close_popup()."\<C-h>"
inoremap <expr><C-y>  neocomplete#close_popup()
inoremap <expr><C-e>  neocomplete#cancel_popup()

" Go related mappings
au FileType go nmap <Leader>i <Plug>(go-info)
au FileType go nmap <Leader>gd <Plug>(go-doc)
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 gd <Plug>(go-def-tab)


nmap <F8> :TagbarToggle<CR>

colorscheme peaksea

set completeopt-=preview
set number

MyVimSetup.sh

#!/bin/bash
#####################
#### Build Vim ######
#####################

#install basic one
git clone git://github.com/cridenour/vimrc.git ~/.vim_runtime
sh ~/.vim_runtime/install_awesome_vimrc.sh

#install things for tagbar
apt-get -y install ctags exuberant-ctags

#install tagbar using pathogen
git clone git://github.com/majutsushi/tagbar $HOME/.vim_runtime/sources_non_forked/tagbar

#copy my configs for vim
wget --quiet https://gist.githubusercontent.com/venugangireddy/69ed6aa879fa493b1285a4cc0c3b9739/raw/9c8cb72b4ac1c53c1ea09f9a965ec7572ec1773a/my_configs.vim -O $HOME/.vim_runtime/my_configs.vim

#copy ctags
wget --quiet https://gist.githubusercontent.com/venugangireddy/69ed6aa879fa493b1285a4cc0c3b9739/raw/9c8cb72b4ac1c53c1ea09f9a965ec7572ec1773a/.ctags -O $HOME/.ctags