vagrant/plugins/synced_folders/rsync/command/rsync_auto.rb

108 lines
3.3 KiB
Ruby

require "log4r"
require 'optparse'
require "listen"
require "vagrant/action/builtin/mixin_synced_folders"
require_relative "../helper"
module VagrantPlugins
module SyncedFolderRSync
module Command
class RsyncAuto < Vagrant.plugin("2", :command)
include Vagrant::Action::Builtin::MixinSyncedFolders
def self.synopsis
"syncs rsync synced folders automatically when files change"
end
def execute
@logger = Log4r::Logger.new("vagrant::commands::rsync-auto")
opts = OptionParser.new do |o|
o.banner = "Usage: vagrant rsync-auto [vm-name]"
o.separator ""
end
# Parse the options and return if we don't have any target.
argv = parse_options(opts)
return if !argv
# Build up the paths that we need to listen to.
paths = {}
with_target_vms(argv) do |machine|
folders = synced_folders(machine)[:rsync]
next if !folders || folders.empty?
folders.each do |id, folder_opts|
hostpath = folder_opts[:hostpath]
hostpath = File.expand_path(hostpath, machine.env.root_path)
paths[hostpath] ||= []
paths[hostpath] << {
id: id,
machine: machine,
opts: folder_opts,
}
end
end
# Output to the user what paths we'll be watching
paths.keys.sort.each do |path|
paths[path].each do |path_opts|
path_opts[:machine].ui.info(I18n.t(
"vagrant.rsync_auto_path",
path: path.to_s,
))
end
end
@logger.info("Listening to paths: #{paths.keys.sort.inspect}")
@logger.info("Listening via: #{Listen::Adapter.select.inspect}")
callback = method(:callback).to_proc.curry[paths]
listener = Listen.to(*paths.keys, &callback)
listener.start
listener.thread.join
0
end
# This is the callback that is called when any changes happen
def callback(paths, modified, added, removed)
@logger.debug("File change callback called!")
@logger.debug(" - Modified: #{modified.inspect}")
@logger.debug(" - Added: #{added.inspect}")
@logger.debug(" - Removed: #{removed.inspect}")
tosync = []
paths.each do |hostpath, folders|
# Find out if this path should be synced
found = catch(:done) do
[modified, added, removed].each do |changed|
changed.each do |listenpath|
throw :done, true if listenpath.start_with?(hostpath)
end
end
# Make sure to return false if all else fails so that we
# don't sync to this machine.
false
end
# If it should be synced, store it for later
tosync << folders if found
end
# Sync all the folders that need to be synced
tosync.each do |folders|
folders.each do |opts|
ssh_info = opts[:machine].ssh_info
RsyncHelper.rsync_single(opts[:machine], ssh_info, opts[:opts])
end
end
end
end
end
end
end