vam-setup.vim

set nocompatible | filetype indent plugin on | syn on

fun! EnsureVamIsOnDisk(plugin_root_dir)
  " windows users may want to use http://mawercer.de/~marc/vam/index.php
  " to fetch VAM, VAM-known-repositories and the listed plugins
  " without having to install curl, 7-zip and git tools first
  " -> BUG [4] (git-less installation)
  let vam_autoload_dir = a:plugin_root_dir.'/vim-addon-manager/autoload'
  if isdirectory(vam_autoload_dir)
    return 1
  else
    call mkdir(a:plugin_root_dir, 'p')
      execute 'silent !git clone --depth=1 git://github.com/MarcWeber/vim-addon-manager '.
		  \       shellescape(a:plugin_root_dir, 1).'/vim-addon-manager'
      " VAM runs helptags automatically when you install or update 
      " plugins
      exec 'helptags '.fnameescape(a:plugin_root_dir.'/vim-addon-manager/doc')
    return isdirectory(vam_autoload_dir)
  endif
endfun

fun! Setup(plugins)
  " Set advanced options like this:
  " let g:vim_addon_manager = {}
  " let g:vim_addon_manager.key = value
  "     Pipe all output into a buffer which gets written to disk
  " let g:vim_addon_manager.log_to_buf =1

  " Example: drop git sources unless git is in PATH. Same plugins can
  " be installed from www.vim.org. Lookup MergeSources to get more control
  " let g:vim_addon_manager.drop_git_sources = !executable('git')
  " let g:vim_addon_manager.debug_activation = 1

  " VAM install location:
  let plugin_root_dir = expand('$HOME/.vim/vim-addons')
  if !EnsureVamIsOnDisk(plugin_root_dir)
    echohl ErrorMsg | echomsg "No VAM found!" | echohl NONE
    return
  endif
  let &rtp.=(empty(&rtp)?'':',').plugin_root_dir.'/vim-addon-manager'

  " Don't ask too much on fetching
  let g:vim_addon_manager = {}
  let g:vim_addon_manager.auto_install = 1
  let g:vim_addon_manager.shell_commands_run_method = "system"
  set nomore
  " Tell VAM which plugins to fetch & load:
  call vam#ActivateAddons(a:plugins, {'auto_install': 1, 'shell_commands_run_method': 'system'})
  set more 
  " sample: call vam#ActivateAddons(['pluginA','pluginB', ...], {'auto_install' : 0})

  " Addons are put into plugin_root_dir/plugin-name directory
  " unless those directories exist. Then they are activated.
  " Activating means adding addon dirs to rtp and do some additional
  " magic

  " How to find addon names?
  " - look up source from pool
  " - (<c-x><c-p> complete plugin names):
  " You can use name rewritings to point to sources:
  "    ..ActivateAddons(["github:foo", .. => github://foo/vim-addon-foo
  "    ..ActivateAddons(["github:user/repo", .. => github://user/repo
  " Also see section "2.2. names of addons and addon sources" in VAM's documentation
endfun