Class: DirectoryPush::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/directory_push.rb

Constant Summary collapse

FILTER_FILE_NAME = 
'.rsync-filter'
DEFAULT_RSYNC_OPTIONS = 
[
  '--delete',
  '--verbose',
  '--archive',
  '--compress',
  '--progress',
  %Q{--exclude-from '#{FILTER_FILE_NAME}'},
  %Q{--timeout '9999'}
]
GUARDFILE_TEXT = 
%q{
require 'yaml'
require 'guard/compat/plugin'

config = YAML.load(File.read(File.join(File.dirname(__FILE__), 'config.yml')))
rsync_options = ['rsync'] + config.delete(:rsync)
source = config.delete(:source)
ignore_pattern = config.delete(:ignore)
remote = %Q{#{config.delete(:user)}@#{config.delete(:remote_address)}:"#{config.delete(:destination)}"}

rsync_options << source << remote
$rsync_command = rsync_options.join(' ')

rsync_options_without_delete = rsync_options.reject { |o| o.match('--del') }
$rsync_command_without_delete = rsync_options_without_delete.join(' ')

module ::Guard
  class DirectoryPush < Plugin
    def start() sync end
    def reload() sync end
    def run_all() sync end
    def run_on_additions(paths)
      Compat::UI.info "Guard::DirectoryPush Files created: #{paths}."
      sync_without_delete
    end
    def run_on_modifications(paths)
      Compat::UI.info "Guard::DirectoryPush Files changed: #{paths}."
      sync_without_delete
    end
    def run_on_removals(paths)
      Compat::UI.info "Guard::DirectoryPush Files removed: #{paths}."
      sync_without_delete
    end

    private
    def sync()
      Compat::UI.info %Q{Guard::DirectoryPush `#{$rsync_command}`.}
      system $rsync_command
    end

    def sync_without_delete()
      Compat::UI.info %Q{Guard::DirectoryPush `#{$rsync_command_without_delete}`.}
      system $rsync_command_without_delete
    end
  end
end

config[:verbose] = true
config[:cli] = '--color'
config[:sync_on_start] = true

directories [source]
guard 'directory-push', config do
  watch %r{^.+$}
  if ignore_pattern
    ignore ignore_pattern
  end
end
}
DEFAULT_USER = 
Etc.getlogin

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(directory_path, remote_address, user: DEFAULT_USER, path_on_remote: nil, pull: false, rsync_options: DEFAULT_RSYNC_OPTIONS, guard_ignore_pattern: nil, preserve_settings: false) ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/directory_push.rb', line 92

def initialize(
    directory_path,
    remote_address,
    user: DEFAULT_USER,
    path_on_remote: nil,
    pull: false,
    rsync_options: DEFAULT_RSYNC_OPTIONS,
    guard_ignore_pattern: nil,
    preserve_settings: false
)
  if (
    remote_address.nil? ||
    remote_address.empty? ||
    remote_address == '~' ||
    remote_address == '$HOME'
  )
    raise ArgumentError.new(
      %Q{Remote address, "#{remote_address}", is invalid!}
    )
  end

  @directory_path = File.expand_path(directory_path, Dir.pwd)
  unless File.exists?(@directory_path)
    raise ArgumentError.new(
      %Q{Directory "#{@directory_path}" does not exist!}
    )
  end

  @user = user
  if @user.nil? || @user.empty?
    raise ArgumentError.new(%Q{User "#{@user}" is invalid!.})
  end

  @remote_address = remote_address
  @path_on_remote = path_on_remote || @directory_path
  @terminal = HighLine.new
  @pull = pull
  @rsync_options = rsync_options
  @guard_ignore_pattern = guard_ignore_pattern
  @preserve_settings = preserve_settings
  @settings_dir_path = File.join(
    Dir.pwd,
    ".#{directory_name}.directory_push-settings"
  )
end

Instance Attribute Details

#directory_path ⇒ Object (readonly)

Returns the value of attribute directory_path.



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# File 'lib/directory_push.rb', line 11

def directory_path
  @directory_path
end

#path_on_remote ⇒ Object (readonly)

Returns the value of attribute path_on_remote.



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# File 'lib/directory_push.rb', line 11

def path_on_remote
  @path_on_remote
end

#remote_address ⇒ Object (readonly)

Returns the value of attribute remote_address.



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# File 'lib/directory_push.rb', line 11

def remote_address
  @remote_address
end

#rsync_options ⇒ Object (readonly)

Returns the value of attribute rsync_options.



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# File 'lib/directory_push.rb', line 11

def rsync_options
  @rsync_options
end

#settings_dir_path ⇒ Object (readonly)

Returns the value of attribute settings_dir_path.



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# File 'lib/directory_push.rb', line 11

def settings_dir_path
  @settings_dir_path
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'lib/directory_push.rb', line 11

def user
  @user
end

Instance Method Details

#backup_dir_path(d) ⇒ Object 



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# File 'lib/directory_push.rb', line 215

def backup_dir_path(d)
  File.join settings_dir_path, "#{File.basename(d)}.bak"
end

#config ⇒ Object 



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# File 'lib/directory_push.rb', line 167

def config()
  {
    source: "#{@directory_path}/",
    user: @user,
    remote_address: @remote_address,
    destination: @path_on_remote,
    rsync: @rsync_options,
    ignore: @guard_ignore_pattern
  }
end

#config_path ⇒ Object 



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# File 'lib/directory_push.rb', line 150

def config_path() File.join(settings_dir_path, 'config.yml') end

#config_to_yml ⇒ Object 



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# File 'lib/directory_push.rb', line 178

def config_to_yml() YAML.dump(config) end

#directory_name ⇒ Object 



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# File 'lib/directory_push.rb', line 140

def directory_name() File.basename(@directory_path) end

#ensure_config_file_present ⇒ Object 



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# File 'lib/directory_push.rb', line 180

def ensure_config_file_present()
  ensure_setting_dir_present
  unless File.exist?(config_path)
    @terminal.say %Q{Creating config file in "#{config_path}".}
    File.open(config_path, 'w') { |f| f.print config_to_yml }
  end
end

#ensure_filter_file_present ⇒ Object 



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# File 'lib/directory_push.rb', line 153

def ensure_filter_file_present()
  ensure_setting_dir_present
  @terminal.say("Creating rsync-filter file")
  gitignore = File.join(@directory_path, '.gitignore')
  if File.exists?(gitignore)
     @terminal.say(
      %Q{Using "#{gitignore}" as rsync-filter since they have the same format.}
    )
    FileUtils.cp(gitignore, filter_path)
  else
    FileUtils.touch(filter_path) unless File.exist?(filter_path)
  end
end

#ensure_guardfile_present ⇒ Object 



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# File 'lib/directory_push.rb', line 188

def ensure_guardfile_present()
  ensure_setting_dir_present
  unless File.exist?(guardfile_path)
    @terminal.say %Q{Creating Guardfile in "#{guardfile_path}".}
    File.open(guardfile_path, 'w') { |f| f.print GUARDFILE_TEXT }
  end
end

#ensure_setting_dir_present ⇒ Object 



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# File 'lib/directory_push.rb', line 142

def ensure_setting_dir_present()
  unless File.directory?(settings_dir_path)
    @terminal.say("Creating settings directory, \"#{settings_dir_path}\".")
    FileUtils.mkdir(settings_dir_path)
  end
end

#filter_path ⇒ Object 



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# File 'lib/directory_push.rb', line 149

def filter_path() File.join(settings_dir_path, FILTER_FILE_NAME) end

#guardfile_path ⇒ Object 



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# File 'lib/directory_push.rb', line 151

def guardfile_path() File.join(settings_dir_path, 'Guardfile') end

#pull? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/directory_push.rb', line 138

def pull?() @pull end

#pull_from_remote(destination) ⇒ Object 



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# File 'lib/directory_push.rb', line 196

def pull_from_remote(destination)
  source = "#{@user}@#{@remote_address}:#{@path_on_remote}"

  @terminal.say %Q{Pulling from "#{source}" and replacing the contents of "#{destination}".}

  sync source, destination
end

#sync(source, destination) ⇒ Object 



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# File 'lib/directory_push.rb', line 204

def sync(source, destination)
  result = Rsync.run source, destination, @rsync_options
  if result.success?
    result.changes.each do |change|
      @terminal.say "#{change.filename} (#{change.summary})"
    end
  else
    @terminal.say result.error
  end
end

#watch ⇒ Object 



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# File 'lib/directory_push.rb', line 219

def watch()
  ensure_config_file_present
  ensure_guardfile_present
  ensure_filter_file_present
  Dir.chdir settings_dir_path do |d|
    if pull?
      directory_path_bak = backup_dir_path(@directory_path)
      @terminal.say %Q{Backing up "#{@directory_path}" in "#{directory_path_bak}".}
      FileUtils.cp_r @directory_path, directory_path_bak

      pull_from_remote @directory_path
    else
      source = "#{@user}@#{@remote_address}:#{@path_on_remote}/"
      source_bak = backup_dir_path(@path_on_remote)

      @terminal.say %Q{Backing up "#{source}" in "#{source_bak}".}
      sync source, source_bak
    end

    @terminal.say "Starting Guard"
    command = "guard"
    @terminal.say command
    system command
  end

  unless @preserve_settings
    @terminal.say %Q{Removing settings directory, "#{settings_dir_path}".}
    FileUtils.rm_rf(settings_dir_path)
  end
end