[dein.vim] hook の便利な使い方 ref: https://qiita.com/delphinus/items/cd221a450fd23506e81a

dein.toml

[[plugins]]
repo = 'Shougo/vimproc.vim'
hook_post_update = 'call delphinus#init#vimproc#hook_post_update()'

file0.sh

[[plugins]]
repo     = 'tpope/vim-capslock'
hook_add = 'imap <C-L> <Plug>CapsLockToggle'

[[plugins]]
repo     = 'elzr/vim-json'
hook_add = 'let g:vim_json_syntax_conceal = 0'

file1.sh

[[plugins]]
repo        = 'Shougo/echodoc.vim'
hook_source = 'let g:echodoc_enable_at_startup = 1'

file2.sh

[[plugins]]
repo    = 'osyo-manga/vim-watchdogs'
depends = [
  'vim-hier',
  'quickfixstatus',
  'shabadou.vim',
  'vim-quickrun',
]
# 追記参照 2016/05/09
on_event = ['FocusLost', 'CursorHold']
hook_add = '''
  let g:quickrun_config = get(g:, 'quickrun_config', {})
  let g:quickrun_config['watchdogs_checker/_'] = {'outputter/quickfix/open_cmd': ''}
  let g:quickrun_config['watchdogs_checker/jshint'] = {'cmdopt': '--config `/.jshintrc'}
'''
hook_post_source = '''
  call watchdogs#setup(g:quickrun_config)
'''

file3.sh

[[plugins]]
repo  = 'Shougo/vimproc.vim'
build = 'make'

file4.sh

[[plugins]]
repo = 'Shougo/vimproc.vim'
hook_post_update = '''
  if has('win32')
    let cmd = 'tools\\update-dll-mingw'
  elseif has('win32unix') " for Cygwin
    let cmd = 'make -f make_cygwin.mak'
  elseif executable('gmake')
    let cmd = 'gmake'
  else
    let cmd = 'make'
  endif
  let g:dein#plugin.build = cmd
'''

vimproc.vim

function! delphinus#init#vimproc#hook_post_update() abort
  if has('win32')
    let cmd = 'tools\\update-dll-mingw'
  elseif has('win32unix') " for Cygwin
    let cmd = 'make -f make_cygwin.mak'
  elseif executable('gmake')
    let cmd = 'gmake'
  else
    let cmd = 'make'
  endif
  let g:dein#plugin.build = cmd
endfunction

vimrc

set runtimepath+=~/.vim