vimenv

configure vim environment
git clone git://git.unixkoans.com/vimenv.git
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vimenv (2471B)

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#!/usr/bin/env ruby
#
# name     : vimenv, configure vim environment
# author   : Xu Xiaodong <[email protected]>
# license  : GPL
# created  : 2012 Apr 14
# modified : 2012 Jul 08
#

require 'fileutils'
require 'optparse'

def init
  conf = %w[vimrc vim]
  conf.each do |item|
    orig   = "#{Dir.pwd}/_#{item}"
    target = "#{ENV['HOME']}/.#{item}" # oops... 1.8.5 does not support Dir.home
    bak    = "#{target}.old"

    if File.exist?(target) && ! File.symlink?(target)
      puts "Backuping #{target} to #{bak}"
      FileUtils.mv(target, bak)
    end

    FileUtils.rm(target) if File.symlink?(target)

    puts "Symlinking #{orig} to #{target}"
    FileUtils.symlink(orig, target)
  end
end

def edit
  puts "Editing Vim configuration file"
  system "vim _vimrc"
end

def add(author_slash_name)
  name = author_slash_name.gsub(/^.*\/(?:vim-)?(.*?)(?:[-\.]vim)?(?:-theme)?$/, '\1').downcase

  src  = "git://github.com/#{author_slash_name}.git"
  desc = "_vim/bundle/#{name}"

  puts "Adding #{src} to #{desc}"
  system "git submodule add #{src} #{desc}"
end

def remove(name)
  path     = "_vim/bundle/#{name.downcase}"
  git_path = ".git/modules/#{path}"
  files    = [".git/config", ".gitmodules"]

  puts "Removing #{path}"
  system "git rm --cached #{path} >/dev/null"

  files.each { |file| system "git config -f #{file} --remove-section submodule.#{path}" }

  FileUtils.rmtree(path)
  FileUtils.rmtree(git_path)
end

def update
  puts "Updating Vim plugins"

  arg = ["init", "update", "foreach git pull origin master"]
  arg.each { |elt| system "git submodule #{elt}" }
end

def list
  bundle  = Dir.entries('_vim/bundle')
  plugins = bundle[2, bundle.size].sort

  plugins.each { |name| puts " * Installed #{name} ..." }

  total = plugins.size
  puts ">>> Total #{total} plugins"
end

opts = OptionParser.new
opts.on("-i", "--init"       , "Initialize Vim environment")  { init }
opts.on("-e", "--edit"       , "Edit Vim configuration file") { edit }
opts.on("-a", "--add NAME"   , "Add Vim plugins")             { |name| add(name) }
opts.on("-r", "--remove NAME", "Remove Vim plugins")          { |name| remove(name) }
opts.on("-u", "--update"     , "Update Vim plugins")          { update }
opts.on("-l", "--list"       , "List Vim plugins")            { list }
opts.on("-h", "--help"       , "Show help")                   { puts opts.to_s }

if ARGV.empty?
  puts opts.to_s
else
  opts.parse(*ARGV)
end

# vim: ai:et:ts=2:sw=2:sts=2:tw=78:ft=ruby