/stdhome

# copy_out.py

#

# Copyright (C) 2013 to 2014 Tim Marston <tim@edm.am>

#

# This file is part of stdhome (hereafter referred to as "this program").

# See http://ed.am/dev/stdhome for more information.

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import re

from copy_base import CopyBaseWalker

import stdhome.the as the

from stdhome.file_matcher import FileMatcher

class CopyOutWalker( CopyBaseWalker ):

	"""The copy-out walker traverses the repo, copying its content to the home

	directory.  During an update, it is run *after* checking for conflicts that

	might occur during copy-out, so any conflicts that exist can be assumed to

	be unimportant and disposable.  In other words, this will happily overwrite

	stuff in the home directory, without regard to its content.

	Walker source:       repo

	Walker destination:  home dir

	Walker traversing:   repo (or a provided file list, which may include stuff

							that no longer exists in the repo

	"""

	def __init__( self, walk_files = None, quiet = False ):

		CopyBaseWalker.__init__( self )

		self.src_dir = the.repo.full_dir

		self.dst_dir = the.full_home_dir

		self.walk_list = walk_files if walk_files is not None else \

						 self.generate_walk_list()

		self.check_dst_symlinks = True

		self.check_dst_ignores = True

		self.quiet = quiet

	def print_op( self, rel_file, src, op, dst ):

		# report changes

		if not self.quiet and the.verbose < 2 and op == '*':

			if dst == '_':

				print " N  %s" % ( rel_file )

			elif src == '_':

				print " D  %s" % ( rel_file )

			elif src == dst:

				print " M  %s" % ( rel_file )

			else:

				print " K  %s" % ( rel_file )

		# verbose reporting

		if the.verbose >= 2:

			if op == '*': op = '<'

			print "  %s%s%s %s" % ( src, op, dst, rel_file )