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- Committer: Tim Marston
- Date: 2014-04-05 17:30:58 UTC
- Revision ID: tim@ed.am-20140405173058-1oyw150nzmxhbc6o
moved funcitonality of copy-out walker in to base class and made copy-out walker
a specialisation of it
a specialisation of it
- 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_in.py
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# copy_in.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 CopyInWalker( Walker ):
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"""The copy-in walker traverses the repo, copying-in matching files from the
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home directory. It will overwrite certin changes (modified files, files
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that have changed to symlinks), but barf at others.
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Walker source: home dir
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Walker destination: repo
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Walker traversing: repo
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"""
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def __init__( self ):
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self.src_dir = the.full_home_dir
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self.dst_dir = the.repo.full_dir
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self.walk_list = self.generate_walk_list( the.repo.full_dir )
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self.changed = list()
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def process( self, rel_file, src, dst ):
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# directory (in repo)
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if dst.type == 'd':
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# if entity doesn't exist in home dir, delete directory in repo (and
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# don't recurse, obviously!)
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if src.type == '_':
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if the.verbose > 1: print " _>d " + rel_file
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shutil.rmtree( dst.file )
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return False
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# if entity is a directory in home dir, copy permissions to
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# diurectory in repo, as necessary, and recurse
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elif src.type == 'd':
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# TODO: should check permissions 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 directory symlink in the home direcotry,
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# silently accept it if it is explicitly matched by the accept list.
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# In which case, we'll also need to add this rel_file to a
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# not_deployed file list so that, after this walk, we can remove it
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# from the deployment's deploy_list. If we don't, the directory in
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# the repo will get copied-out.
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# elif src.link_type == 'd' and self.accept_list.matches( 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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# TODO: serious differences between ~/ and repo (e.g., files in one
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# that are directories in the other) should be ignored (e.g., not
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# copied-in). And the stuff that is ignored during copy-in should
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# also be ignored during copy-out and must not be added to the
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# deployment's deploy_files list. Since these ignored files and
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# directories are transparent to the user, they must be explicitly
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# permitted via an "ignore list" in ~/.stdhomerc. If these serious
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# differences are not matched by the ignore list, an error should be
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# shown (which will require a separate "check" walk of the repo, as
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# is done in copy_out).
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else:
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self.changed.append( "%s (%s => %s)" % ( rel_file,
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dst.get_type_name(), src.get_type_name() ) )
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return False
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# file (in repo)
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elif dst.type == 'f':
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# if entity doesn't exist in home dir, delete file in repo
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if src.type == '_':
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if the.verbose > 1: print " _>f " + rel_file
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os.unlink( dst.file )
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# if entity in home dir is a symlink, replace file in repo
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elif src.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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os.symlink( os.readlink( src.file ), dst.file )
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# if entity in home dir is a file, replace file in repo only if it
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# differs
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elif src.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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# TODO: serious differences between ~/ and repo (e.g., files in one
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# that are directories in the other) should be ignored (e.g., not
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# copied-in). And the stuff that is ignored during copy-in should
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# also be ignored during copy-out and must not be added to the
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# deployment's deploy_files list. Since these ignored files and
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# directories are transparent to the user, they must be explicitly
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# permitted via an "ignore list" in ~/.stdhomerc. If these serious
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# differences are not matched by the ignore list, an error should be
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# show (which will require a separate "check" walk of the repo, as
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# is done in copy_out).
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else:
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self.changed.append( "%s (%s => %s)" % ( rel_file,
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dst.get_type_name(), src.get_type_name() ) )
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# symlink (in repo)
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elif dst.type == 'l':
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# if entity doesn't exist in home dir, delete symlink in repo
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if src.type == '_':
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if the.verbose > 1: print " _>l " + rel_file
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os.unlink( dst.file )
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# if entity in home dir is a symlink, replace symlink in repo only
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# if it differs
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elif src.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 in home dir is a file, replace symlink in repo
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elif src.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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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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# TODO: serious differences between ~/ and repo (e.g., files in one
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# that are directories in the other) should be ignored (e.g., not
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# copied-in). And the stuff that is ignored during copy-in should
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# also be ignored during copy-out and must not be added to the
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# deployment's deploy_files list. Since these ignored files and
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# directories are transparent to the user, they must be explicitly
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# permitted via an "ignore list" in ~/.stdhomerc. If these serious
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# differences are not matched by the ignore list, an error should be
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# show (which will require a separate "check" walk of the repo, as
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# is done in copy_out).
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else:
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self.changed.append( "%s (%s => %s)" % ( rel_file,
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dst.get_type_name(). src.get_type_name() ) )
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# can not recurse on a non-directory
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return False
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