Class: Perforce2Svn::Subversion::SvnTransaction

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/perforce2svn/subversion/svn_transaction.rb

Constant Summary collapse

SVN_MIME_TYPE = 
'svn:mime-type'
BINARY_MIME_TYPE = 
'application/octet-stream'
BLOCK_SIZE =

TODO: Maybe make this configurable?

16384

Instance Method Summary collapse

Methods included from Logging

configure, log, #log

Constructor Details

#initialize(txn, root) ⇒ SvnTransaction

Returns a new instance of SvnTransaction.



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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 14

def initialize(txn, root)
  @txn = txn
  @root = root
  @possible_deletions = Set.new
end

Instance Method Details

#copy(src_path, dest_path) ⇒ Object 



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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 75

def copy(src_path, dest_path)
  if exists? src_path
    @txn.root.copy(dest_path, @root, src_path)
  else
    log.warn "No path to copy from: #{src_path} -> #{dest_path}"
  end
end

#delete(path) ⇒ Object 



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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 88

def delete(path)
  if exists? path
    @txn.root.delete(path)
    @possible_deletions << parent_path(path)
  end
end

#exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 95

def exists?(path)
  @txn.root.check_path(path) != 0
end

#has_children?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 99

def has_children?(path)
  @txn.root.dir_entries(path).keys.length != 0
end

#mkdir(path) ⇒ Object 



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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 63

def mkdir(path)
  path_parts = path.split(/\//).delete_if {|p| p == ''}
  current_path = ''
  path_parts.each do |part|
    current_path += '/' + part
    if not exists? current_path
      @txn.root.make_dir(current_path)
      log.debug("SVN: Adding directory:\t#{current_path}")
    end
  end
end

#move(src_path, dest_path) ⇒ Object 



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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 83

def move(src_path, dest_path)
  copy(src_path, dest_path)
  delete(src_path)
end

#symlink(original_path, new_path) ⇒ Object 



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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 20

def symlink(original_path, new_path)
  mkfile new_path

  # Apply the properties
  @txn.root.set_node_prop(new_path, 'svn:special', '*')
  stream = @txn.root.apply_text(new_path)
  log.debug("SVN: Writing symlink:\t#{new_path}")
  log.debug("SVN:      Linking to:\t#{original_path}")
  stream.write("link #{original_path}")
  stream.close
end

#update(path, content_stream, binary = false) ⇒ Object 



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# File 'lib/perforce2svn/subversion/svn_transaction.rb', line 32

def update(path, content_stream, binary = false)
  if path.nil? or path == ''
    raise Perforce2Svn::SvnTransactionError, "The subversion path was empty"
  end

  if not content_stream.respond_to? :readpartial
    raise Perforce2Svn::SvnTransactionError, "The content stream must support block file reading with the 'readpartial' method"
  end

  mkfile path
  # If this is a binary file, set the mime-type
  if binary
    @txn.root.set_node_prop(path, SVN_MIME_TYPE, BINARY_MIME_TYPE)
  end

  # Open the output stream to write the contents to
  outstream = @txn.root.apply_text(path)
  log.debug("SVN: Writing file:\t#{path}")

  begin
    while buf = content_stream.readpartial(BLOCK_SIZE)
      outstream.write(buf)
    end
  rescue EOFError
    # Always throws an error at the end.  Very weird API.
  end

  outstream.close # close the output stream
  self
end