Class: Train::File::Remote::Unix

Inherits:
Train::File::Remote show all
Defined in:
lib/train/file/remote/unix.rb

Direct Known Subclasses

Aix, Linux, Qnx

Constant Summary

Constants inherited from Train::File

DATA_FIELDS

Instance Method Summary collapse

Methods inherited from Train::File::Remote

#basename, #stat

Methods inherited from Train::File

#block_device?, #character_device?, #directory?, #file?, #file_version, #initialize, #md5sum, #mounted?, #owned_by?, #pipe?, #product_version, #sha256sum, #socket?, #source, #source_path, #symlink?, #to_json, #type, #version?

Constructor Details

This class inherits a constructor from Train::File

Instance Method Details

#content ⇒ Object 



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# File 'lib/train/file/remote/unix.rb', line 11

def content
  @content ||=
    if !exist? || directory?
      nil
    elsif size.nil? || size == 0
      ""
    else
      @backend.run_command("cat #{@spath}").stdout || ""
    end
end

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/train/file/remote/unix.rb', line 22

def exist?
  @exist ||= begin
    f = @follow_symlink ? "" : " || test -L #{@spath}"
    @backend.run_command("test -e #{@spath}" + f)
      .exit_status == 0
  end
end

#grouped_into?(sth) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/train/file/remote/unix.rb', line 47

def grouped_into?(sth)
  group == sth
end

#link_path ⇒ Object 



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# File 'lib/train/file/remote/unix.rb', line 55

def link_path
  symlink? ? path : nil
end

#linked_to?(dst) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/train/file/remote/unix.rb', line 51

def linked_to?(dst)
  link_path == dst
end

#mode?(sth) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/train/file/remote/unix.rb', line 43

def mode?(sth)
  mode == sth
end

#mounted ⇒ Object 



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# File 'lib/train/file/remote/unix.rb', line 30

def mounted
  @mounted ||=
    @backend.run_command("mount | grep -- ' on #{@path} '")
end

#path ⇒ Object 



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# File 'lib/train/file/remote/unix.rb', line 76

def path
  return @path unless @follow_symlink && symlink?

  @link_path ||= read_target_path
end

#sanitize_filename(path) ⇒ Object 



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# File 'lib/train/file/remote/unix.rb', line 7

def sanitize_filename(path)
  @spath = Shellwords.escape(path) || @path
end

#shallow_link_path ⇒ Object 



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# File 'lib/train/file/remote/unix.rb', line 59

def shallow_link_path
  return nil unless symlink?

  @shallow_link_path ||=
    @backend.run_command("readlink #{@spath}").stdout.chomp
end

#unix_mode_mask(owner, type) ⇒ Object 



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# File 'lib/train/file/remote/unix.rb', line 66

def unix_mode_mask(owner, type)
  o = UNIX_MODE_OWNERS[owner.to_sym]
  return nil if o.nil?

  t = UNIX_MODE_TYPES[type.to_sym]
  return nil if t.nil?

  t & o
end