1
# Copyright (C) 2005 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
# TODO: Don't allow WorkingTrees to be constructed for remote branches.
19
# FIXME: I don't know if writing out the cache from the destructor is really a
20
# good idea, because destructors are considered poor taste in Python, and
21
# it's not predictable when it will be written out.
28
from bzrlib.osutils import appendpath, file_kind, isdir, splitpath
29
from bzrlib.errors import BzrCheckError
30
from bzrlib.trace import mutter
32
class TreeEntry(object):
33
"""An entry that implements the minium interface used by commands.
35
This needs further inspection, it may be better to have
36
InventoryEntries without ids - though that seems wrong. For now,
37
this is a parallel hierarchy to InventoryEntry, and needs to become
38
one of several things: decorates to that hierarchy, children of, or
40
Another note is that these objects are currently only used when there is
41
no InventoryEntry available - i.e. for unversioned objects.
42
Perhaps they should be UnversionedEntry et al. ? - RBC 20051003
45
def __eq__(self, other):
46
# yes, this us ugly, TODO: best practice __eq__ style.
47
return (isinstance(other, TreeEntry)
48
and other.__class__ == self.__class__)
50
def kind_character(self):
54
class TreeDirectory(TreeEntry):
55
"""See TreeEntry. This is a directory in a working tree."""
57
def __eq__(self, other):
58
return (isinstance(other, TreeDirectory)
59
and other.__class__ == self.__class__)
61
def kind_character(self):
65
class TreeFile(TreeEntry):
66
"""See TreeEntry. This is a regular file in a working tree."""
68
def __eq__(self, other):
69
return (isinstance(other, TreeFile)
70
and other.__class__ == self.__class__)
72
def kind_character(self):
76
class TreeLink(TreeEntry):
77
"""See TreeEntry. This is a symlink in a working tree."""
79
def __eq__(self, other):
80
return (isinstance(other, TreeLink)
81
and other.__class__ == self.__class__)
83
def kind_character(self):
87
class WorkingTree(bzrlib.tree.Tree):
90
The inventory is held in the `Branch` working-inventory, and the
91
files are in a directory on disk.
93
It is possible for a `WorkingTree` to have a filename which is
94
not listed in the Inventory and vice versa.
96
def __init__(self, basedir, inv):
97
from bzrlib.hashcache import HashCache
98
from bzrlib.trace import note, mutter
100
self._inventory = inv
101
self.basedir = basedir
102
self.path2id = inv.path2id
104
# update the whole cache up front and write to disk if anything changed;
105
# in the future we might want to do this more selectively
106
hc = self._hashcache = HashCache(basedir)
116
if self._hashcache.needs_write:
117
self._hashcache.write()
121
"""Iterate through file_ids for this tree.
123
file_ids are in a WorkingTree if they are in the working inventory
124
and the working file exists.
126
inv = self._inventory
127
for path, ie in inv.iter_entries():
128
if bzrlib.osutils.lexists(self.abspath(path)):
133
return "<%s of %s>" % (self.__class__.__name__,
134
getattr(self, 'basedir', None))
138
def abspath(self, filename):
139
return os.path.join(self.basedir, filename)
141
def has_filename(self, filename):
142
return bzrlib.osutils.lexists(self.abspath(filename))
144
def get_file(self, file_id):
145
return self.get_file_byname(self.id2path(file_id))
147
def get_file_byname(self, filename):
148
return file(self.abspath(filename), 'rb')
150
def _get_store_filename(self, file_id):
151
## XXX: badly named; this isn't in the store at all
152
return self.abspath(self.id2path(file_id))
155
def id2abspath(self, file_id):
156
return self.abspath(self.id2path(file_id))
159
def has_id(self, file_id):
160
# files that have been deleted are excluded
161
inv = self._inventory
162
if not inv.has_id(file_id):
164
path = inv.id2path(file_id)
165
return bzrlib.osutils.lexists(self.abspath(path))
167
def has_or_had_id(self, file_id):
168
if file_id == self.inventory.root.file_id:
170
return self.inventory.has_id(file_id)
172
__contains__ = has_id
175
def get_file_size(self, file_id):
176
return os.path.getsize(self.id2abspath(file_id))
178
def get_file_sha1(self, file_id):
179
path = self._inventory.id2path(file_id)
180
return self._hashcache.get_sha1(path)
183
def is_executable(self, file_id):
185
return self._inventory[file_id].executable
187
path = self._inventory.id2path(file_id)
188
mode = os.lstat(self.abspath(path)).st_mode
189
return bool(stat.S_ISREG(mode) and stat.S_IEXEC&mode)
191
def get_symlink_target(self, file_id):
192
return os.readlink(self.id2abspath(file_id))
194
def file_class(self, filename):
195
if self.path2id(filename):
197
elif self.is_ignored(filename):
203
def list_files(self):
204
"""Recursively list all files as (path, class, kind, id).
206
Lists, but does not descend into unversioned directories.
208
This does not include files that have been deleted in this
211
Skips the control directory.
213
inv = self._inventory
215
def descend(from_dir_relpath, from_dir_id, dp):
219
## TODO: If we find a subdirectory with its own .bzr
220
## directory, then that is a separate tree and we
221
## should exclude it.
222
if bzrlib.BZRDIR == f:
226
fp = appendpath(from_dir_relpath, f)
229
fap = appendpath(dp, f)
231
f_ie = inv.get_child(from_dir_id, f)
234
elif self.is_ignored(fp):
243
raise BzrCheckError("file %r entered as kind %r id %r, "
245
% (fap, f_ie.kind, f_ie.file_id, fk))
247
# make a last minute entry
251
if fk == 'directory':
252
entry = TreeDirectory()
255
elif fk == 'symlink':
260
yield fp, c, fk, (f_ie and f_ie.file_id), entry
262
if fk != 'directory':
266
# don't descend unversioned directories
269
for ff in descend(fp, f_ie.file_id, fap):
272
for f in descend('', inv.root.file_id, self.basedir):
278
for subp in self.extras():
279
if not self.is_ignored(subp):
282
def iter_conflicts(self):
284
for path in (s[0] for s in self.list_files()):
285
stem = get_conflicted_stem(path)
288
if stem not in conflicted:
293
"""Yield all unknown files in this WorkingTree.
295
If there are any unknown directories then only the directory is
296
returned, not all its children. But if there are unknown files
297
under a versioned subdirectory, they are returned.
299
Currently returned depth-first, sorted by name within directories.
301
## TODO: Work from given directory downwards
302
for path, dir_entry in self.inventory.directories():
303
mutter("search for unknowns in %r" % path)
304
dirabs = self.abspath(path)
305
if not isdir(dirabs):
306
# e.g. directory deleted
310
for subf in os.listdir(dirabs):
312
and (subf not in dir_entry.children)):
317
subp = appendpath(path, subf)
321
def ignored_files(self):
322
"""Yield list of PATH, IGNORE_PATTERN"""
323
for subp in self.extras():
324
pat = self.is_ignored(subp)
329
def get_ignore_list(self):
330
"""Return list of ignore patterns.
332
Cached in the Tree object after the first call.
334
if hasattr(self, '_ignorelist'):
335
return self._ignorelist
337
l = bzrlib.DEFAULT_IGNORE[:]
338
if self.has_filename(bzrlib.IGNORE_FILENAME):
339
f = self.get_file_byname(bzrlib.IGNORE_FILENAME)
340
l.extend([line.rstrip("\n\r") for line in f.readlines()])
345
def is_ignored(self, filename):
346
r"""Check whether the filename matches an ignore pattern.
348
Patterns containing '/' or '\' need to match the whole path;
349
others match against only the last component.
351
If the file is ignored, returns the pattern which caused it to
352
be ignored, otherwise None. So this can simply be used as a
353
boolean if desired."""
355
# TODO: Use '**' to match directories, and other extended
356
# globbing stuff from cvs/rsync.
358
# XXX: fnmatch is actually not quite what we want: it's only
359
# approximately the same as real Unix fnmatch, and doesn't
360
# treat dotfiles correctly and allows * to match /.
361
# Eventually it should be replaced with something more
364
for pat in self.get_ignore_list():
365
if '/' in pat or '\\' in pat:
367
# as a special case, you can put ./ at the start of a
368
# pattern; this is good to match in the top-level
371
if (pat[:2] == './') or (pat[:2] == '.\\'):
375
if fnmatch.fnmatchcase(filename, newpat):
378
if fnmatch.fnmatchcase(splitpath(filename)[-1], pat):
383
def kind(self, file_id):
384
return file_kind(self.id2abspath(file_id))
386
CONFLICT_SUFFIXES = ('.THIS', '.BASE', '.OTHER')
387
def get_conflicted_stem(path):
388
for suffix in CONFLICT_SUFFIXES:
389
if path.endswith(suffix):
390
return path[:-len(suffix)]