trialling neocomplete

.vim/autoload/plug.vim

@@ -28,6 +28,9 @@
 "   " Using a non-master branch
 "   Plug 'rdnetto/YCM-Generator', { 'branch': 'stable' }
 "
+"   " Using a tagged release; wildcard allowed (requires git 1.9.2 or above)
+"   Plug 'fatih/vim-go', { 'tag': '*' }
+"
 "   " Plugin options
 "   Plug 'nsf/gocode', { 'tag': 'v.20150303', 'rtp': 'vim' }
 "
@@ -128,7 +131,7 @@ function! plug#begin(...)
 endfunction
 
 function! s:define_commands()
-  command! -nargs=+ -bar Plug call s:Plug(<args>)
+  command! -nargs=+ -bar Plug call plug#(<args>)
   if !executable('git')
     return s:err('`git` executable not found. Most commands will not be available. To suppress this message, prepend `silent!` to `call plug#begin(...)`.')
   endif
@@ -222,7 +225,9 @@ function! plug#end()
     if has_key(plug, 'for')
       let types = s:to_a(plug.for)
       if !empty(types)
+        augroup filetypedetect
         call s:source(s:rtp(plug), 'ftdetect/**/*.vim', 'after/ftdetect/**/*.vim')
+        augroup END
       endif
       for type in types
         call s:assoc(lod.ft, type, name)
@@ -484,7 +489,7 @@ function! s:lod_map(map, names, prefix)
   call feedkeys(a:prefix . substitute(a:map, '^<Plug>', "\<Plug>", '') . extra)
 endfunction
 
-function! s:Plug(repo, ...)
+function! plug#(repo, ...)
   if a:0 > 1
     return s:err('Invalid number of arguments (1..2)')
   endif
@@ -964,8 +969,17 @@ function! s:update_finish()
         call s:log4(name, 'Checking out '.spec.commit)
         let out = s:checkout(spec)
       elseif has_key(spec, 'tag')
-        call s:log4(name, 'Checking out '.spec.tag)
-        let out = s:system('git checkout -q '.s:esc(spec.tag).' 2>&1', spec.dir)
+        let tag = spec.tag
+        if tag =~ '\*'
+          let tags = s:lines(s:system('git tag --list '.string(tag).' --sort -version:refname 2>&1', spec.dir))
+          if !v:shell_error && !empty(tags)
+            let tag = tags[0]
+            call s:log4(name, printf('Latest tag for %s -> %s', spec.tag, tag))
+            call append(3, '')
+          endif
+        endif
+        call s:log4(name, 'Checking out '.tag)
+        let out = s:system('git checkout -q '.s:esc(tag).' 2>&1', spec.dir)
       else
         let branch = s:esc(get(spec, 'branch', 'master'))
         call s:log4(name, 'Merging origin/'.branch)
@@ -2225,4 +2239,3 @@ endif
 
 let &cpo = s:cpo_save
 unlet s:cpo_save
-

.vim/ftplugin/go.vim

@@ -4,6 +4,8 @@ let g:go_highlight_structs = 1
 let g:go_highlight_operators = 1
 let g:go_highlight_build_constraints = 1
 
+let g:go_auto_type_info = 1
+
 let g:go_fmt_command = "goimports"
 
 let g:tagbar_type_go = {
@@ -38,3 +40,9 @@ nnoremap <buffer> <leader>r :GoRun<cr>
 nnoremap <buffer> <leader>pc :pc<cr>
 nnoremap <buffer> <leader>d :GoRun % --debug<cr>
 nnoremap <buffer> <leader>t :GoTest -v -cpu=8<cr>
+
+set completeopt-=longest
+set completeopt-=preview
+let g:echodoc_enable_at_startup = 1
+"let g:syntastic_go_checkers = ['golint', 'govet', 'errcheck']
+"let g:syntastic_mode_map = { 'mode': 'active', 'passive_filetypes': ['go'] }

.vim/vimrc

@@ -108,9 +108,9 @@ function! YCMInstallCmd()
 	if executable('c++')
 		let l:ycm_cmd .= ' --clang-completer'
 	endif
-	if executable('go')
-		let l:ycm_cmd .= ' --gocode-completer'
-	endif
+	"if executable('go')
+	"	let l:ycm_cmd .= ' --gocode-completer'
+	"endif
 	if executable('npm')
 		let l:ycm_cmd .= ' --tern-completer'
 	endif
@@ -135,11 +135,14 @@ Plug 'godlygeek/tabular'
 
 if executable('cmake')
 	" YCM command lifted from vim-plug readme
-	Plug 'Valloric/YouCompleteMe', { 'do': YCMInstallCmd(), 'for': ['cpp', 'c', 'go', 'sh', 'js', 'vim'] }
+	Plug 'Valloric/YouCompleteMe', { 'do': YCMInstallCmd(), 'for': ['cpp', 'c', 'sh', 'js', 'vim'] }
 	autocmd! User YouCompleteMe if !has('vim_starting') | call youcompleteme#Enable() | endif
 endif
 if executable('go')
 	Plug 'fatih/vim-go', {'for': 'go'}
+	Plug 'Shougo/neocomplete.vim', {'for': 'go'}
+	Plug 'Shougo/vimproc.vim', {'do': 'make'}
+	Plug 'Shougo/echodoc.vim'
 endif
 if executable('latex')
 	Plug 'lervag/vimtex', {'for': 'tex'}
@@ -176,7 +179,7 @@ autocmd BufWritePost *.sh,*.py if get(b:, 'is_new', 0) | silent execute '!chmod
 
 let g:SuperTabDefaultCompletionType = "context"
 let g:SuperTabClosePreviewOnPopupClose = 1
-set omnifunc=syntaxcomplete#Complete
+"set omnifunc=syntaxcomplete#Complete
 set foldmethod=syntax
 set foldlevelstart=3
 let g:syntastic_cpp_compiler_options = ' -std=c++11'
@@ -205,6 +208,11 @@ let g:ycm_autoclose_preview_window_after_insertion = 1
 let g:ycm_collect_identifiers_from_tags_files = 1
 let g:ycm_seed_identifiers_with_syntax = 1
 let g:ycm_python_binary_path = '/usr/bin/python3'
+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
 
 if empty($MAN_PN) && @% == "" && getcwd() == "/tmp"
 	" From http://vi.stackexchange.com/questions/239/