Class: Usmu::Deployment::DirectoryDiff

Inherits:
Object
  • Object
show all
Defined in:
lib/usmu/deployment/directory_diff.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration, remote_files) ⇒ DirectoryDiff

Returns a new instance of DirectoryDiff.

Parameters:



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# File 'lib/usmu/deployment/directory_diff.rb', line 8

def initialize(configuration, remote_files)
  @configuration = configuration
  @remote_files = remote_files
end

Instance Attribute Details

#configuration ⇒ void (readonly, private)

Returns the value of attribute configuration.



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# File 'lib/usmu/deployment/directory_diff.rb', line 34

def configuration
  @configuration
end

#remote_files ⇒ void (readonly, private)

Returns the value of attribute remote_files.



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# File 'lib/usmu/deployment/directory_diff.rb', line 35

def remote_files
  @remote_files
end

Instance Method Details

#check_hash(lhash, rstat) ⇒ void (private) 



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# File 'lib/usmu/deployment/directory_diff.rb', line 48

def check_hash(lhash, rstat)
  if not rstat[:md5].nil?
    rhash = rstat[:md5]
    Digest::MD5.hexdigest(lhash).eql? rhash
  elsif not rstat[:sha1].nil?
    rhash = rstat[:sha1]
    Digest::SHA1.hexdigest(lhash).eql? rhash
  else
    true
  end
end

#filter_files(f) ⇒ void (private) 



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# File 'lib/usmu/deployment/directory_diff.rb', line 37

def filter_files(f)
  lstat = File.stat("#{@configuration.destination_path}/#{f}")
  rstat = @remote_files.stat(f)
  lhash = File.read("#{@configuration.destination_path}/#{f}")

  hash_comparison = !check_hash(lhash, rstat)
  time_comparison = lstat.mtime > rstat[:mtime]

  time_comparison || hash_comparison
end

#get_diffs ⇒ Hash

Returns A hash of arrays of filenames:

  • :local - local-only files
  • :remote - remote-only files
  • :updated - files that were updated.

Returns:

  • (Hash) —

    A hash of arrays of filenames:

    • :local - local-only files
    • :remote - remote-only files
    • :updated - files that were updated


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# File 'lib/usmu/deployment/directory_diff.rb', line 19

def get_diffs
  local_files = local_files_list
  remote_files = @remote_files.files_list

  updated_files = (local_files & remote_files).select &method(:filter_files)

  {
      :local => local_files - remote_files,
      :remote => remote_files - local_files,
      :updated => updated_files,
  }
end

#local_files_list ⇒ void (private) 



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# File 'lib/usmu/deployment/directory_diff.rb', line 60

def local_files_list
  Dir[@configuration.destination_path + '/**/{*,.??*}'].
      select {|f| not File.directory? f }.
      map {|f| f[(@configuration.destination_path.length + 1), f.length]}
end