From 60add619ac1dab6518baa7952e3292dcb65625e4 Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Mon, 18 Mar 2013 00:55:08 -0700
Subject: added gem rsync_command

---
 vendor/rsync_command/lib/rsync_command.rb | 96 +++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 vendor/rsync_command/lib/rsync_command.rb

(limited to 'vendor/rsync_command/lib/rsync_command.rb')

diff --git a/vendor/rsync_command/lib/rsync_command.rb b/vendor/rsync_command/lib/rsync_command.rb
new file mode 100644
index 0000000..39e5945
--- /dev/null
+++ b/vendor/rsync_command/lib/rsync_command.rb
@@ -0,0 +1,96 @@
+require "rsync_command/version"
+require "rsync_command/ssh_options"
+require "rsync_command/thread_pool"
+
+require 'monitor'
+
+class RsyncCommand
+  attr_accessor :failures, :logger
+
+  def initialize(options={})
+    @options = options.dup
+    @logger = @options.delete(:logger)
+    @flags = @options.delete(:flags)
+    @failures = []
+    @failures.extend(MonitorMixin)
+  end
+
+  #
+  # takes an Enumerable and iterates each item in the list in parallel.
+  #
+  def asynchronously(array, &block)
+    pool = ThreadPool.new
+    array.each do |item|
+      pool.schedule(item, &block)
+    end
+    pool.shutdown
+  end
+
+  #
+  # runs rsync, recording failures
+  #
+  def exec(src, dest, options={})
+    @failures.synchronize do
+      @failures.clear
+    end
+    rsync_cmd = command(src, dest, options)
+    if options[:chdir]
+      rsync_cmd = "cd '#{options[:chdir]}'; #{rsync_cmd}"
+    end
+    @logger.debug rsync_cmd if @logger
+    ok = system(rsync_cmd)
+    unless ok
+      @failures.synchronize do
+        @failures << {:source => src, :dest => dest, :options => options.dup}
+      end
+    end
+  end
+
+  #
+  # returns true if last exec returned a failure
+  #
+  def failed?
+    @failures && @failures.any?
+  end
+
+  #
+  # build rsync command
+  #
+  def command(src, dest, options={})
+    src = remote_address(src)
+    dest = remote_address(dest)
+    options = @options.merge(options)
+    flags = []
+    flags << @flags if @flags
+    flags << options[:flags] if options.has_key?(:flags)
+    flags << '--delete' if options[:delete]
+    flags << includes(options[:includes]) if options.has_key?(:includes)
+    flags << excludes(options[:excludes]) if options.has_key?(:excludes)
+    flags << SshOptions.new(options[:ssh]).to_flags if options.has_key?(:ssh)
+    "rsync #{flags.compact.join(' ')} #{src} #{dest}"
+  end
+
+  private
+
+  #
+  # Creates an rsync location if the +address+ is a hash with keys :user, :host, and :path
+  # (each component is optional). If +address+ is a string, we just pass it through.
+  #
+  def remote_address(address)
+    if address.is_a? String
+      address # assume it is already formatted.
+    elsif address.is_a? Hash
+      [[address[:user], address[:host]].compact.join('@'), address[:path]].compact.join(':')
+    end
+  end
+
+  def excludes(patterns)
+    [patterns].flatten.compact.map { |p| "--exclude='#{p}'" }
+  end
+
+  def includes(patterns)
+    [patterns].flatten.compact.map { |p| "--include='#{p}'" }
+  end
+
+end
+
-- 
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