vsm.rb

#!/usr/bin/env ruby
#
# usage:
# $ git clone git://github.com/motemen/git-vim.git git-vim
# $ ruby vsm.rb git-vim/

VIMDIR = '~/.vim'
SRCDIR = ARGV[0]

require 'pathname'
require 'fileutils'

include FileUtils::Verbose

vimdirs = %w(
after
autoload
colors
compilers
dict
ftdetect
ftplugin
indent
keymap
lang
macros
plugin
spell
syntax
tools
tutor
)

vimdir, srcdir = *[VIMDIR, SRCDIR].map {|i| Pathname.new(i).expand_path }
[vimdir, srcdir].each {|i| i.mkpath }

def link(src, dst)
    dst.parent.mkpath unless dst.parent.exist?
    dst.delete if dst.symlink? || dst.file?
    ln_sf src.to_s, dst.to_s
end

vimdirs.map {|i| vimdir + i }.each do |i|
    next unless (working = srcdir + i).directory?
    working.mkpath
    working.children.each do |entry|
        link(entry, i + entry.basename)
    end
end