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- Committer: Tim Marston
- Date: 2014-04-05 17:30:19 UTC
- Revision ID: tim@ed.am-20140405173019-5eoi82r8i3etgn4j
added file matcher (for symlink accept and/or ignore lists)
- files added:
- lib/stdhome/command
- lib/stdhome/vcs
- lib/stdhome/walker
- files renamed:
- lib/stdhome/command_init.py => lib/stdhome/command/init.py
- files modified:
- .bzrignore
added
removed
lib/stdhome/walker/copy_out.py
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# copy_out.py
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#
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# Copyright (C) 2013 to 2014 Tim Marston <tim@edm.am>
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#
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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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#
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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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#
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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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#
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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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import filecmp, os, shutil
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from walker import Walker
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import stdhome.the as the
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class CopyOutWalker( Walker ):
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"""The copy-out walker traverses the repo, copying its content to the home
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directory. It is run *after* checking for conflicts that might occur during
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copy-out, so any conflicts that exist can be assumed to be unimportant and
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disposable. In other words, this will happily overwrite stuff in the home
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directory, without regard to its content.
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Walker source: repo
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Walker destination: home dir
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Walker traversing: repo (or a provided file list, which may include stuff
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that no longer exists in the repo
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"""
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def __init__( self, updated_files = 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 = updated_files if updated_files is not None else \
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self.generate_walk_list( the.repo.full_dir )
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self.accept_symlinks = list()
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def process( self, rel_file, src, dst ):
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# directory (in repo)
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if src.type == 'd':
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# if entity doesn't exist in home dir, create directory (no need to
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# recurse, since we're copying the whole directory)
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if dst.type == '_':
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if the.verbose > 1: print " _<d " + rel_file
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os.mkdir( dst.file )
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shutil.copystat( src.file, dst.file )
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return False
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# if entity is a directory in home dir, copy permissions, as
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# required (and recurse)
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elif dst.type == 'd':
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# TODO: should check permission and only do as necessary
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if the.verbose > 1: print " d<d " + rel_file
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shutil.copystat( src.file, dst.file )
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return True
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# TODO: if entity is a symlink to a directory, and this is
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# acceptable, just recurse
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# elif dst.link_type == 'd' and self.accept_list.match( rel_file ):
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# if the.verbose > 1: print " d@=d " + rel_file
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# return True
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# if entity is a file or symlink in home dir, replace it with
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# directory (no need to recurse, since we're copying the whole
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# directory)
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elif dst.type == 'f' or dst.type == 'l':
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if the.verbose > 1: print " %s<d %s" % ( dst.type, rel_file )
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os.unlink( dst.file )
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os.mkdir( dst.file )
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shutil.copystat( src.file, dst.file )
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return False
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else:
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raise NotImplementedError()
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# file (in repo)
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if src.type == 'f':
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# if entity doesn't exist in home dir, copy file
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if dst.type == '_':
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if the.verbose > 1: print " _<f " + rel_file
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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# if entity is a file in home dir, replace it only if it differs
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elif dst.type == 'f':
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if not filecmp.cmp( src.file, dst.file ):
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if the.verbose > 1: print " f<f " + rel_file
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os.unlink( dst.file )
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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else:
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if the.verbose > 1: print " f=f " + rel_file
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# if entity is a directory in home dir, replace it with file
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elif dst.type == 'd':
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if the.verbose > 1: print " d<f " + rel_file
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shutil.rmtree( dst.file )
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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# if entity is a symlink in home dir, replace it with file
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elif dst.type == 'l':
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if the.verbose > 1: print " l<f " + rel_file
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os.unlink( dst.file )
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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else:
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raise NotImplementedError()
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# link (in repo)
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if src.type == 'l':
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# if entity doesn't exist in home dir, copy symlink
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if dst.type == '_':
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if the.verbose > 1: print " _<l " + rel_file
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os.symlink( os.readlink( src.file ), dst.file )
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# if entity is a symlink in home dir, replace it only if it differs
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elif dst.type == 'l':
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if os.readlink( src.file ) != os.readlink( dst.file ):
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if the.verbose > 1: print " l<l " + rel_file
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os.unlink( dst.file )
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os.symlink( os.readlink( src.file ), dst.file )
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else:
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if the.verbose > 1: print " l=l " + rel_file
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# if entity is a file in home dir, replace it with file
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elif dst.type == 'f':
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if the.verbose > 1: print " f<l " + rel_file
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os.unlink( dst.file )
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os.symlink( os.readlink( src.file ), dst.file )
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# if entity is a directory in home dir, replace it with file
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elif dst.type == 'd':
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if the.verbose > 1: print " d<l " + rel_file
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shutil.rmtree( dst.file )
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os.symlink( os.readlink( src.file ), dst.file )
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else:
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raise NotImplementedError()
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# deleted file (in repo)
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if src.type == '_':
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# if entity doesn't exist in home dir, we're good
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if dst.type == '_':
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pass;
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# if entity is a file or symlink in home dir, delete it
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if dst.type == 'f' or dst.type == 'l':
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if the.verbose > 1: print " %s<_ %s" % ( dst.type, rel_file )
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os.unlink( dst.file )
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# if entity is a directory in home dir, delete it
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elif dst.type == 'd':
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if the.verbose > 1: print " d<_ " + rel_file
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shutil.rmtree( dst.file )
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else:
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raise NotImplementedError()
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# non-directories can not be recursed in to
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return False
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