standard ruby impl

vim-bundle.rb

@@ -0,0 +1,116 @@
+# ! /usr/bin/ruby
+
+require 'net/http'
+require 'net/https'
+require 'uri'
+require 'open-uri'
+require 'openssl'
+# simple workaround for SSL error 
+OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE
+require 'zlib'
+require 'fileutils'
+
+bundle_path = File.expand_path "~/.vim/bundle"
+
+# try a simple check, unfortunately this does not always work
+# for example RailsInstaller platform is mingw32
+if RUBY_PLATFORM.downcase.include?("mswin")
+  # This is the default on a gvim install on windows
+  bundle_path = File.expand_path "~/vimfiles/bundle"
+  #require 'win32/registry'
+  #Win32::Registry::HKEY_CURRENT_USER.open(
+  #  "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\") do |reg|
+  #    proxy_uri = reg.read("ProxyServer")
+  #end
+end
+
+def usage
+  puts "Usage: vim-bundle <command>"
+  puts ""
+  puts "  list - list all bundles currently installed"
+  puts "  install <github user>/<repository name> "
+  puts "      installs plugin from github. If no user is specified vim-scripts is used"
+  puts "  update <github user>/<repository name> "
+  puts "      updates plugin. If no user is specified vim-scripts is used"
+end
+
+# TODO: convert this to use OptionParser
+if ARGV.first == "list"
+  Dir.entries("#{bundle_path}").sort.each  {|dir| puts "#{dir}"}
+elsif ARGV.first == "--help" || ARGV.first == "-h" || ARGV.first == "help"
+  usage
+elsif ARGV.size > 1
+  command = ARGV.first
+  unless command == "install" || command == "update"
+    puts "Invalid command -> #{command}"
+    usage
+    exit
+  end
+
+  split = ARGV[1].split("/")
+
+  if ARGV[2]
+    branch = ARGV[2]
+  else
+    branch = "master"
+  end
+
+  if split.size > 1
+    plugin_name = split[1]
+    download_url = "https://github.com/#{ARGV[1]}/tarball/#{branch}"
+  else
+    plugin_name = ARGV[1]
+    download_url = "https://github.com/vim-scripts/#{ARGV[1]}/tarball/#{branch}"
+  end
+
+  plugin_path = bundle_path + "/" + plugin_name
+  if command == "update"
+    old_plugin_path = plugin_path
+    plugin_path += "-new"
+  end
+  plugin_tar = plugin_path + ".tar"
+
+  if File.exists? File.expand_path(plugin_path)
+    puts "Plugin exists #{plugin_path}"
+    exit
+  end
+
+  # create dir to download to if it does not exist  
+  FileUtils.mkdir_p(File.dirname(File.expand_path(plugin_tar)))
+  # use open-uri to download tar, this API
+  # knows how to work with https, redirection 
+  # and proxy information 
+  puts ">> Downloading from #{download_url}"
+  open(download_url) do |f|
+   File.open(plugin_tar,"wb") do |file|
+     file.puts f.read
+   end
+  end
+
+  unless File.exists?(File.expand_path(plugin_tar))
+    puts plugin_tar
+    puts " Failed to download tar"
+    exit
+  end
+
+  puts ">> Decompressing plugin to #{plugin_path}"
+  if( Dir.mkdir(plugin_path) != 0 )
+    puts "could not create #{plugin_path}"
+  end
+
+  puts ">> Deleting plugin tarball #{plugin_tar}"
+  File.delete(plugin_tar)
+
+  if command == "update"
+    puts ">> Removing old plugin"
+    FileUtils.rmdir old_plugin_path, :verbose=> true 
+    puts ">> Moving new plugin"
+    #File.rename plugin_path old_plugin_path
+    FileUtils.mv plugin_path old_plugin_path
+    puts " #{plugin_name} is now updated!"
+  else
+    puts " #{plugin_name} is now installed!"
+  end
+else
+  usage
+end