Class: Amp::VersionedWorkingFile

Inherits:
VersionedFile show all
Defined in:
lib/amp/repository/versioned_file.rb

Overview

This is a VersionedFile, except it’s in the working directory, so its data is stored on disk in the actual file. Other than that, it’s basically the same in its interface!

Constant Summary

Constants included from RevlogSupport::Node

RevlogSupport::Node::NULL_ID, RevlogSupport::Node::NULL_REV

Instance Attribute Summary

Attributes inherited from VersionedFile

#change_id, #file_id, #path

Instance Method Summary collapse

Methods inherited from VersionedFile

#<=>, #==, #===, #ancestor, #annotate, #annotate_decorate, #annotate_diff_pair, #annotate_get_file, #annotate_parents_helper, #branch, #description, #file_node, #file_rev, #files, #flags, #get_parents_helper, #hash, #inspect, #linkrev, #manifest, #nil?, #node, #to_i, #user

Methods included from RevlogSupport::Node

#short

Constructor Details

#initialize(repo, path, opts = {}) ⇒ VersionedWorkingFile

Initializes a new working dir file - slightly different semantics here



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# File 'lib/amp/repository/versioned_file.rb', line 361

def initialize(repo, path, opts={})
  @repo, @path = repo, path
  @change_id = nil
  @file_rev, @file_node = nil, nil
  
  @file_log = opts[:file_log] if opts[:file_log]
  @changeset = opts[:working_changeset]
end

Instance Method Details

#changeset ⇒ Object

Gets the working directory changeset



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# File 'lib/amp/repository/versioned_file.rb', line 372

def changeset
  @changeset ||= WorkingDirectoryChangeset.new(@repo)
end

#children ⇒ Object

Working directory has no children!



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# File 'lib/amp/repository/versioned_file.rb', line 444

def children; []; end

#cmp(text) ⇒ Boolean

Compares to the given text. Overridden because this file is stored on disk in the actual working directory.

Parameters:

  • text (String) —

    the text to compare to

Returns:

  • (Boolean) —

    true if the two are different



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# File 'lib/amp/repository/versioned_file.rb', line 470

def cmp(text)
  @repo.working_read(@path) != text
end

#data ⇒ Object

Get the contents of this file



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# File 'lib/amp/repository/versioned_file.rb', line 409

def data
  data = @repo.working_read(@path)
  data
end

#date ⇒ Object

Returns the date that this file was last modified.



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# File 'lib/amp/repository/versioned_file.rb', line 455

def date
  t, tz = changeset.date
  begin
    return [FileUtils.lstat(@repo.join(@path)).mtime, tz]
  rescue Errno::ENOENT
    return [t, tz]
  end
end

#file(file_id) ⇒ Object

Returns the file at a different revision



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# File 'lib/amp/repository/versioned_file.rb', line 396

def file(file_id)
  VersionedFile.new(@repo, repo_path, :file_id => file_id, :file_log => file_log)
end

#file_log ⇒ Object

Gets the file log?



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# File 'lib/amp/repository/versioned_file.rb', line 384

def file_log
  @repo.file(repo_path)
end

#parents ⇒ Object

The working directory’s parents are the heads, so get this file in the previous revision.



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# File 'lib/amp/repository/versioned_file.rb', line 425

def parents
  p = @path
  rp = repo_path
  pcl = @changeset.parents
  fl = file_log
  pl = [[rp, pcl[0].manifest[rp] || NULL_ID, fl]]
  if pcl.size > 1
    if rp != p
      fl = nil
    end
    pl << [p, pcl[1].manifest[p] || NULL_ID, fl]
  end
  pl.select {|_, n, __| n != NULL_ID}.map do |parent, n, l|
    VersionedFile.new(@repo, parent, :file_id => n, :file_log => l)
  end
end

#renamed ⇒ Object

Has this file been renamed? If so give some good info.



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# File 'lib/amp/repository/versioned_file.rb', line 416

def renamed
  rp = repo_path
  return nil if rp == @path
  [rp, (self.changeset.parents[0].manifest[rp] || NULL_ID)]
end

#repo_path ⇒ Object

Dunno why this is here



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# File 'lib/amp/repository/versioned_file.rb', line 378

def repo_path
  @repo.dirstate.copy_map[@path] || @path
end

#revision ⇒ Object

Get what revision this is



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# File 'lib/amp/repository/versioned_file.rb', line 402

def revision
  return @changeset.revision if @changeset
  file_log[@file_rev].link_rev
end

#size ⇒ Object

Returns the current size of the file



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# File 'lib/amp/repository/versioned_file.rb', line 449

def size
  File.stat(@repo.join(@path)).size
end

#to_s ⇒ Object

String representation



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# File 'lib/amp/repository/versioned_file.rb', line 390

def to_s
  "#{path}@#{@changeset}"
end