Class: URI::File

Inherits:
GenericEx show all
Defined in:
lib/uri/file.rb

Constant Summary collapse

COMPONENT = 
[
  :scheme,
  :path
].freeze
@@tar = 
'tar'.to_cmd.freeze
@@gzip = 
'gzip'.to_cmd.freeze

Instance Method Summary collapse

Methods inherited from Generic

#add_query, #mk_custom_opts, #pathname, #pathname=, #to_uri, #to_yaml_string, yaml_load

Constructor Details

#initialize(*args) ⇒ File

Returns a new instance of File.



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# File 'lib/uri/file.rb', line 24

def initialize ( *args )
  super
  unless @host.nil? or @host.empty?
    raise ArgumentError,
      "You cannot neither setup a host (#{@host}), nor a relative path"
  end
end

Instance Method Details

#checkout ⇒ Object

Raises:



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# File 'lib/uri/file.rb', line 32

def checkout
  p = pathname
  raise CheckoutError, to_s unless p.exist?
  [p, nil]
end

#commit(aPath) ⇒ Object 



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# File 'lib/uri/file.rb', line 38

def commit ( aPath )
  aPath.cp_r(self.pathname)
end

#fingerprint ⇒ Object 



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# File 'lib/uri/file.rb', line 56

def fingerprint
  digest = Digest::MD5.new
  if pathname.directory?
    pathname.find do |path|
      next if path.directory?
      digest << path.read
    end
  else
    digest << pathname.read
  end
  digest.to_s
end

#save ⇒ Object

Raises:



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# File 'lib/uri/file.rb', line 42

def save
  p = pathname
  raise SaveError, to_s unless p.exist?
  if p.directory?
    out = TempPath.new('save', "#{p.basename}.tar.gz")
    cmd = tar['czf', out, p]
  else
    out = TempPath.new('save', "#{p.basename}.gz")
    cmd = gzip['-c', p] > out
  end
  cmd.run(runner)
  [out, nil]
end

#to_s ⇒ Object 



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# File 'lib/uri/file.rb', line 69

def to_s
  super.sub(/^(file:\/)([^\/])/, '\1//\2')
end