Remove vim-plug and use minpac

* Add `Pack`, `PackUpdate`, `PackStatus` and `PackClean` commands to
  manage plugins.
* Don't load `minpac` by default.
* Remove `vim-plug` completely.

.conduit.yaml

@@ -4,3 +4,8 @@
     - vim-vint
     - yamllint
     - cmakelint
+- repo:
+    - remote: https://github.com/k-takata/minpac.git
+      location: ~/.vim/pack/minpac/opt/minpac
+- command:
+    - vim +PackUpdate +quitall

after/ftplugin/c.vim

@@ -1,18 +1,19 @@
-" Surround visual block in #if 0 block
+" Add Doxygen documentation generation plugin.
+packadd DoxygenToolkit.vim
+nnoremap <leader>d :Dox<CR>
+" Surround visual block in #if 0 block.
 vmap 0 V'<[ ki#if 0<Esc>'>o#endif<Esc>
 " Set 'comments' to format dashed lists in comments.
 setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,:///,://
 " Set 'commentstring' to single line comment style.
 setlocal commentstring=//%s
-" Stop automatic new lines which typing long single liners
+" Stop automatic new lines which typing long single liners.
 setlocal textwidth=0
-" Map K to get YouCompleteMe documentation
+" Map K to get YouCompleteMe documentation.
 nnoremap K :YcmCompleter GetDoc<CR>
 " "ys{motion}t" turns "word" -> "TODO(word):"
 let b:surround_{char2nr("t")} = "TODO(\r):"
 " "ys{motion}/" turns "text" into "/*text*/"
 let b:surround_{char2nr("/")} = "/*\r*/"
-" Map K to get YouCompleteMe documentation
+" Map K to get YouCompleteMe documentation.
 nnoremap K :YcmCompleter GetDoc<CR>
-" DoxygenToolkit
-nnoremap <leader>d :Dox<CR>

after/ftplugin/cmake.vim

@@ -1,3 +1,6 @@
+" Add omnifunc completion plugin.
+packadd vim-cmake-completion
+
 " Enable syntax folding, see .vim/after/syntax/cmake.vim
 setlocal foldmethod=syntax
 " Set comment string

after/ftplugin/cpp.vim

@@ -1,4 +1,5 @@
+" Add Doxygen documentation generation plugin.
+packadd DoxygenToolkit.vim
+nnoremap <leader>d :Dox<CR>
 " Map K to get YouCompleteMe documentation
 nnoremap K :YcmCompleter GetDoc<CR>
-" DoxygenToolkit
-nnoremap <leader>d :Dox<CR>

after/ftplugin/vim.vim

@@ -1,3 +1,6 @@
+" Add omnifunc completion package.
+packadd vimomni
+
 " Mapping for Vim help of the word under cursor.
 nnoremap K :help <C-r><C-w><CR>
 

plugin/mappings.vim

@@ -1,3 +1,9 @@
+" minpac
+command! PackUpdate packadd minpac | source $MYVIMRC |
+      \ call minpac#update('', {'do': 'call minpac#status()'})
+command! PackStatus packadd minpac | source $MYVIMRC | call minpac#status()
+command! PackClean packadd minpac | source $MYVIMRC | call minpac#clean()
+
 " YouCompleteMe
 nnoremap <leader>fi :YcmCompleter FixIt<CR>
 nnoremap <leader>gd :YcmCompleter GoTo<CR>

vimrc

@@ -11,38 +11,40 @@ if has('syntax') && !exists('g:syntax_on')
   syntax enable
 endif
 
+if exists('*minpac#init')
+  " When minpac is loaded initialize and define the Pack command.
+  call minpac#init()
+  command! -nargs=+ Pack call minpac#add(<args>)
+else
+  " Otherwise define the Pack command to do nothing.
+  command! -nargs=+ Pack
+endif
+
 " Append work config to the runttime path.
 set runtimepath+=~/.config/work
 
-" Plugins
-call plug#begin('~/.vim/bundle')
-
-" Load local plugins first, allows local dev whilst also being installed.
-if filereadable(expand('~/.vim/local.vim'))
-  source ~/.vim/local.vim
-endif
-
 " vim-airline - improved status bar
-" TODO: Get rid of airline and roll your own
-Plug 'vim-airline/vim-airline'
+Pack 'vim-airline/vim-airline'
 let g:airline#extensions#branch#enabled = 0
 let g:airline#extensions#hunks#enabled = 0
 for s:setting in ['left_sep', 'right_sep', 'section_error', 'section_warning']
   exec 'let g:airline_'.s:setting.' = ""'
 endfor
 " tabline.vim - sanely numbered tabs
-Plug 'mkitt/tabline.vim'
+Pack 'mkitt/tabline.vim'
 
 " YouCompleteMe
 " TODO: Try out neovim completion plugins to see if they are better
 if !platform#is_windows()
   if platform#is_linux()
     " YouCompleteMe with parameter completion
-    Plug 'oblitum/YouCompleteMe', {'do': './install.py --clang-completer'}
+    let s:YouCompleteMe = 'oblitum/YouCompleteMe'
   else
     " YouCompleteMe upstream works best on macOS
-    Plug 'Valloric/YouCompleteMe', {'do': './install.py --clang-completer'}
+    let s:YouCompleteMe = 'Valloric/YouCompleteMe'
   endif
+  Pack 'Valloric/YouCompleteMe',
+    \ {'type': 'opt', 'do': '!./install.py --clang-completer'}
   let g:ycm_key_list_select_completion = ['<C-n>', '<Down>']
   let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>']
   let g:ycm_min_num_of_chars_for_completion = 1
@@ -58,22 +60,23 @@ if !platform#is_windows()
 endif
 if has('python')
   " ultisnips - snippet engine
-  Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'
+  Pack 'SirVer/ultisnips'
+  Pack 'honza/vim-snippets'
 endif
 " vim-cmake-completion - completion & help
-Plug 'kbenzie/vim-cmake-completion', {'for': ['cmake']}
+Pack 'kbenzie/vim-cmake-completion', {'type': 'opt'}
 " vimomni - Completion for vimscript
-Plug 'vim-scripts/vimomni', {'for': ['vim']}
+Pack 'vim-scripts/vimomni', {'type': 'opt'}
 
 " ale - Asynchronous Lint Engine
-Plug 'w0rp/ale'
+Pack 'w0rp/ale'
 let g:ale_sign_error = '▸'
 let g:ale_sign_warning = '▸'
 let g:ale_echo_msg_format = '[%linter%] %s (%code%)'
 let g:ale_linters = {'c': [], 'cpp': []}
 
 " git diff in the sign column
-Plug 'airblade/vim-gitgutter'
+Pack 'airblade/vim-gitgutter'
 if exists('&signcolumn')
   set signcolumn=yes
 else
@@ -82,61 +85,61 @@ endif
 
 if has('python')
   " format.vim - format with text objects
-  Plug 'git@bitbucket.org:infektor/format.vim.git'
+  Pack 'git@bitbucket.org:infektor/format.vim.git'
 endif
 
 " vim-textobj-user - library for creating text objects
-Plug 'kana/vim-textobj-user'
+Pack 'kana/vim-textobj-user'
 " vim-textobj-entire - Entire file text object
 let g:textobj_entire_no_default_key_mappings = 1
-Plug 'kana/vim-textobj-entire'
+Pack 'kana/vim-textobj-entire'
 xmap a% <Plug>(textobj-entire-a)
 omap a% <Plug>(textobj-entire-a)
 xmap i% <Plug>(textobj-entire-i)
 omap i% <Plug>(textobj-entire-i)
 " vim-textobj-parameter - Parameter text object
-Plug 'sgur/vim-textobj-parameter'
+Pack 'sgur/vim-textobj-parameter'
 " vim-textobj-uri - URI text object
-Plug 'jceb/vim-textobj-uri'
+Pack 'jceb/vim-textobj-uri'
 " vim-textobj-comment - Comment text object
-Plug 'glts/vim-textobj-comment'
+Pack 'glts/vim-textobj-comment'
 omap a/ <Plug>(textobj-comment-a)
 xmap a/ <Plug>(textobj-comment-a)
 omap i/ <Plug>(textobj-comment-i)
 xmap i/ <Plug>(textobj-comment-i)
 " vim-textobj-sentence - Improved sentence text object
-Plug 'reedes/vim-textobj-sentence'
+Pack 'reedes/vim-textobj-sentence'
 
 " vim-commentary - toggle comments
-Plug 'tpope/vim-commentary'
+Pack 'tpope/vim-commentary'
 " vim-surround - edit delimiters
-Plug 'tpope/vim-surround'
+Pack 'tpope/vim-surround'
 " vim-repeat - better dot command
-Plug 'tpope/vim-repeat'
+Pack 'tpope/vim-repeat'
 " vim-fugitive - git wrapper
-Plug 'tpope/vim-fugitive'
+Pack 'tpope/vim-fugitive'
 " vim-eunuch - unix command warppers
-Plug 'tpope/vim-eunuch'
+Pack 'tpope/vim-eunuch'
 " vim-vinegar - improved directory browser
-Plug 'tpope/vim-vinegar'
+Pack 'tpope/vim-vinegar'
 " vim-abolish - CamelCase to under_score to mixedCase
 " TODO: Copy the good bit remove this plugin
-Plug 'tpope/vim-abolish'
+Pack 'tpope/vim-abolish'
 " vim-unimpaired - for pairs of tasks
-Plug 'tpope/vim-unimpaired'
+Pack 'tpope/vim-unimpaired'
 " vim-speeddating - sane date manipulation
-Plug 'tpope/vim-speeddating'
+Pack 'tpope/vim-speeddating'
 " vim-endwise - wisely add end{if,function}, fork with cmake support
-Plug 'godbyk/vim-endwise', {'branch': 'patch-1'}
+Pack 'godbyk/vim-endwise', {'rev': 'patch-1'}
 " vim-jdaddy - text object & formatting for json
-Plug 'tpope/vim-jdaddy'
+Pack 'tpope/vim-jdaddy'
 " vim-projectionist - granular project configuration
-Plug 'tpope/vim-projectionist'
+Pack 'tpope/vim-projectionist'
 
 " fzf.vim - Fuzzy finder
 if !platform#is_windows()
-  Plug 'junegunn/fzf', {'dir': '~/.fzf', 'do': './install --all --no-update-rc'}
-  Plug 'junegunn/fzf.vim'
+  " Pack 'junegunn/fzf', {'dir': '~/.fzf', 'do': './install --all --no-update-rc'}
+  Pack 'junegunn/fzf.vim'
   let g:fzf_action = {
   \   'ctrl-t': 'tab split',
   \   'ctrl-s': 'split',
@@ -144,28 +147,28 @@ if !platform#is_windows()
   \ }
 endif
 
-Plug 'kbenzie/note.vim'
+Pack 'kbenzie/note.vim'
 let g:note_directory = '~/Sync/Notes'
 
-if !platform#is_windows()
+if !has('win32')
   " Seemless vim/tmux pane navigation
-  Plug 'christoomey/vim-tmux-navigator'
+  Pack 'christoomey/vim-tmux-navigator'
   " Enable focus events when in tmux session
-  Plug 'tmux-plugins/vim-tmux-focus-events'
+  Pack 'tmux-plugins/vim-tmux-focus-events'
 endif
 
 " replay macros with the enter key
-Plug 'wincent/replay'
+Pack 'wincent/replay'
 " vim-matchit - Improved % matching
-Plug 'andymass/vim-matchup'
+Pack 'andymass/vim-matchup'
 
 " vim-table-mode - Easy table manipulation
-Plug 'dhruvasagar/vim-table-mode'
+Pack 'dhruvasagar/vim-table-mode'
 let g:table_mode_map_prefix = '<leader>t'
 let g:table_mode_toggle_map = 'M'
 
 " DoxygenToolkit.vim - documentation stubs
-Plug 'vim-scripts/DoxygenToolkit.vim', {'for': ['cpp', 'c']}
+Pack 'vim-scripts/DoxygenToolkit.vim', {'type': 'opt'}
 let g:DoxygenToolkit_commentType = 'C++'
 
 " markdown fenced code block languages
@@ -173,27 +176,25 @@ let g:markdown_fenced_languages =
   \ ['cpp', 'c', 'cmake', 'sh', 'vim', 'python', 'yaml']
 
 " Python folding
-Plug 'kalekundert/vim-coiled-snake'
+Pack 'kalekundert/vim-coiled-snake'
 
 " Enable builtin syntax folding
 let g:xml_syntax_folding = 1
 let g:sh_fold_enabled = 1
 
 " xterm-color-table.vim - view term and hex colors
-Plug 'guns/xterm-color-table.vim'
+Pack 'guns/xterm-color-table.vim'
 
 " SPIR-V syntax
-Plug 'kbenzie/vim-spirv'
+Pack 'kbenzie/vim-spirv'
 let g:spirv_current_id_highlight = 'ctermbg=234, guibg=#1c1c1c'
 
 " CMake, GLSL, HLSL, OpenCL C syntax
-Plug 'rperier/vim-cmake-syntax'
-Plug 'tikhomirov/vim-glsl'
-Plug 'beyondmarc/hlsl.vim'
-Plug 'frasercrmck/opencl.vim'
-Plug 'asciidoc/vim-asciidoc'
-Plug 'mustache/vim-mustache-handlebars'
-Plug 'joshglendenning/vim-caddyfile'
-Plug 'kbenzie/vim-khr'
-
-call plug#end()
+Pack 'rperier/vim-cmake-syntax'
+Pack 'tikhomirov/vim-glsl'
+Pack 'beyondmarc/hlsl.vim'
+Pack 'frasercrmck/opencl.vim'
+Pack 'asciidoc/vim-asciidoc'
+Pack 'mustache/vim-mustache-handlebars'
+Pack 'joshglendenning/vim-caddyfile'
+Pack 'kbenzie/vim-khr'