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# Copyright (C) 2013 to 2014 Tim Marston <tim@edm.am>
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# This file is part of stdhome (hereafter referred to as "this program").
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# See http://ed.am/dev/stdhome for more information.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from walker import Walker
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import stdhome.the as the
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class StatusWalker( Walker ):
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"""The status walker compares all files in the repo with those in the home
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directory and notes any that have been modified, are missing, or which have
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changed type. It is run, for example, but the "stdhome status" comand.
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Walker destination: home dir
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Walker traversing: repo (unless a walk list is provided)
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def __init__( self, walk_list = None ):
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self.src_dir = the.repo.full_dir
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self.dst_dir = the.full_home_dir
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self.walk_list = walk_list if walk_list is not None else \
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self.generate_walk_list()
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self.modified = list()
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def process( self, rel_file, src, dst ):
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# entity is missing in home dir?
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if the.verbose >= 2: print " _|%s %s" % ( dst.type, rel_file )
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if not the.config.ignores.matches( rel_file ):
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self.missing.append( rel_file )
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# if a directory is missing in the home dir, we only really want to
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# hear about that and not all the files it contains (which are also
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# entity has changed type?
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elif dst.get_type_name() != src.get_type_name():
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# is it a directory that has changed to a symlnik to a directory and
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# is an acceptable substitution?
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if src.type == 'd' and dst.link_type == 'd' and \
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the.config.symlinks.matches( rel_file ):
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if the.verbose >= 2: print " d@d " + rel_file
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print " %s|%s %s" % ( dst.type, src.type, rel_file )
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if not the.config.ignores.matches( rel_file ):
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self.changed.append( "%s (%s => %s)" % (
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rel_file, src.get_type_name(), dst.get_type_name() ) )
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# if an entity has changed to/from a directory, we don't care about
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# anything that directory does/did contain
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# entity is a file that has been modified?
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if not filecmp.cmp( src.file, dst.file ):
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if the.verbose >= 2: print " f|f " + rel_file
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if not the.config.ignores.matches( rel_file ):
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self.modified.append( rel_file )
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if the.verbose >= 2: print " f=f " + rel_file
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# entity is a symlink that has been modified?
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if os.readlink( src.file ) != os.readlink( dst.file ):
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if the.verbose >= 2: print " l|l " + rel_file
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if not the.config.ignores.matches( rel_file ):
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self.modified.append( rel_file )
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if the.verbose >= 2: print " l=l " + rel_file
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# TODO: check directory permission changes
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# nothing to see here
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print " %s=%s %s" % ( dst.type, src.type, rel_file )