106
117
print >>to_file, 'added:'
107
118
show_list(self.added)
110
123
print >>to_file, 'renamed:'
111
for oldpath, newpath, fid, kind, text_modified in self.renamed:
124
for (oldpath, newpath, fid, kind,
125
text_modified, meta_modified) in self.renamed:
126
if text_modified or meta_modified:
127
extra_modified.append((newpath, fid, kind,
128
text_modified, meta_modified))
113
132
print >>to_file, ' %s => %s %s' % (oldpath, newpath, fid)
115
134
print >>to_file, ' %s => %s' % (oldpath, newpath)
136
if self.modified or extra_modified:
118
137
print >>to_file, 'modified:'
119
138
show_list(self.modified)
139
show_list(extra_modified)
121
141
if show_unchanged and self.unchanged:
122
142
print >>to_file, 'unchanged:'
123
143
show_list(self.unchanged)
127
def compare_trees(old_tree, new_tree, want_unchanged=False, specific_files=None):
128
"""Describe changes from one tree to another.
130
Returns a TreeDelta with details of added, modified, renamed, and
133
The root entry is specifically exempt.
135
This only considers versioned files.
138
If true, also list files unchanged from one version to
142
If true, only check for changes to specified names or
146
@deprecated_function(zero_nine)
147
def compare_trees(old_tree, new_tree, want_unchanged=False,
148
specific_files=None, extra_trees=None,
149
require_versioned=False):
150
"""compare_trees was deprecated in 0.10. Please see Tree.changes_from."""
151
return new_tree.changes_from(old_tree,
152
want_unchanged=want_unchanged,
153
specific_files=specific_files,
154
extra_trees=extra_trees,
155
require_versioned=require_versioned)
158
def _compare_trees(old_tree, new_tree, want_unchanged, specific_file_ids):
146
160
from osutils import is_inside_any
148
162
old_inv = old_tree.inventory
149
163
new_inv = new_tree.inventory
150
164
delta = TreeDelta()
151
mutter('start compare_trees')
153
# TODO: match for specific files can be rather smarter by finding
154
# the IDs of those files up front and then considering only that.
156
for file_id in old_tree:
157
if file_id in new_tree:
158
old_ie = old_inv[file_id]
159
new_ie = new_inv[file_id]
162
assert kind == new_ie.kind
164
assert kind in ('file', 'directory', 'symlink', 'root_directory'), \
165
'invalid file kind %r' % kind
167
if kind == 'root_directory':
171
if (not is_inside_any(specific_files, old_inv.id2path(file_id))
172
and not is_inside_any(specific_files, new_inv.id2path(file_id))):
176
old_sha1 = old_tree.get_file_sha1(file_id)
177
new_sha1 = new_tree.get_file_sha1(file_id)
178
text_modified = (old_sha1 != new_sha1)
165
# mutter('start compare_trees')
167
# TODO: Rather than iterating over the whole tree and then filtering, we
168
# could diff just the specified files (if any) and their subtrees.
170
old_files = old_tree.list_files()
171
new_files = new_tree.list_files()
182
except StopIteration:
183
return None, None, None, None, None
184
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
185
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
188
def check_matching(old_path, old_entry, new_path, new_entry):
189
"""We have matched up 2 file_ids, check for changes."""
190
assert old_entry.kind == new_entry.kind
192
if specific_file_ids:
193
if (old_entry.file_id not in specific_file_ids and
194
new_entry.file_id not in specific_file_ids):
197
# temporary hack until all entries are populated before clients
199
old_entry._read_tree_state(old_path, old_tree)
200
new_entry._read_tree_state(new_path, new_tree)
201
text_modified, meta_modified = new_entry.detect_changes(old_entry)
203
# If the name changes, or the parent_id changes, we have a rename
204
# (if we move a parent, that doesn't count as a rename for the file)
205
if (old_entry.name != new_entry.name
206
or old_entry.parent_id != new_entry.parent_id):
207
delta.renamed.append((old_path,
209
old_entry.file_id, old_entry.kind,
210
text_modified, meta_modified))
211
elif text_modified or meta_modified:
212
delta.modified.append((new_path, new_entry.file_id, new_entry.kind,
213
text_modified, meta_modified))
215
delta.unchanged.append((new_path, new_entry.file_id, new_entry.kind))
218
def handle_old(path, entry):
219
"""old entry without a new entry match
221
Check to see if a matching new entry was already seen as an
222
added file, and switch the pair into being a rename.
223
Otherwise just mark the old entry being removed.
225
if entry.file_id in added:
226
# Actually this is a rename, we found a new file_id earlier
227
# at a different location, so it is no-longer added
228
x_new_path, x_new_entry = added.pop(entry.file_id)
229
check_matching(path, entry, x_new_path, x_new_entry)
231
# We have an old_file_id which doesn't line up with a new_file_id
232
# So this file looks to be removed
233
assert entry.file_id not in removed
234
removed[entry.file_id] = path, entry
236
def handle_new(path, entry):
237
"""new entry without an old entry match
239
Check to see if a matching old entry was already seen as a
240
removal, and change the pair into a rename.
241
Otherwise just mark the new entry as an added file.
243
if entry.file_id in removed:
244
# We saw this file_id earlier at an old different location
245
# it is no longer removed, just renamed
246
x_old_path, x_old_entry = removed.pop(entry.file_id)
247
check_matching(x_old_path, x_old_entry, path, entry)
249
# We have a new file which does not match an old file
251
assert entry.file_id not in added
252
added[entry.file_id] = path, entry
254
while old_path or new_path:
255
# list_files() returns files in alphabetical path sorted order
256
if old_path == new_path:
257
if old_file_id == new_file_id:
258
# This is the common case, the files are in the same place
259
# check if there were any content changes
261
if old_file_id is None:
262
# We have 2 unversioned files, no deltas possible???
265
check_matching(old_path, old_entry, new_path, new_entry)
180
## mutter("no text to check for %r %r" % (file_id, kind))
181
text_modified = False
183
# TODO: Can possibly avoid calculating path strings if the
184
# two files are unchanged and their names and parents are
185
# the same and the parents are unchanged all the way up.
186
# May not be worthwhile.
188
if (old_ie.name != new_ie.name
189
or old_ie.parent_id != new_ie.parent_id):
190
delta.renamed.append((old_inv.id2path(file_id),
191
new_inv.id2path(file_id),
195
delta.modified.append((new_inv.id2path(file_id), file_id, kind))
197
delta.unchanged.append((new_inv.id2path(file_id), file_id, kind))
199
kind = old_inv.get_file_kind(file_id)
200
if kind == 'root_directory':
202
old_path = old_inv.id2path(file_id)
204
if not is_inside_any(specific_files, old_path):
206
delta.removed.append((old_path, file_id, kind))
208
mutter('start looking for new files')
209
for file_id in new_inv:
210
if file_id in old_inv:
212
kind = new_inv.get_file_kind(file_id)
213
if kind == 'root_directory':
215
new_path = new_inv.id2path(file_id)
217
if not is_inside_any(specific_files, new_path):
219
delta.added.append((new_path, file_id, kind))
267
# The ids don't match, so we have to handle them both
269
if old_file_id is not None:
270
handle_old(old_path, old_entry)
272
if new_file_id is not None:
273
handle_new(new_path, new_entry)
275
# The two entries were at the same path, so increment both sides
276
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
277
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
278
elif new_path is None or (old_path is not None and old_path < new_path):
279
# Assume we don't match, only process old_path
280
if old_file_id is not None:
281
handle_old(old_path, old_entry)
282
# old_path came first, so increment it, trying to match up
283
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
284
elif new_path is not None:
285
# new_path came first, so increment it, trying to match up
286
if new_file_id is not None:
287
handle_new(new_path, new_entry)
288
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
290
# Now we have a set of added and removed files, mark them all
291
for old_path, old_entry in removed.itervalues():
292
if specific_file_ids:
293
if not old_entry.file_id in specific_file_ids:
295
delta.removed.append((old_path, old_entry.file_id, old_entry.kind))
296
for new_path, new_entry in added.itervalues():
297
if specific_file_ids:
298
if not new_entry.file_id in specific_file_ids:
300
delta.added.append((new_path, new_entry.file_id, new_entry.kind))
221
302
delta.removed.sort()
222
303
delta.added.sort()
223
304
delta.renamed.sort()
305
# TODO: jam 20060529 These lists shouldn't need to be sorted
306
# since we added them in alphabetical order.
224
307
delta.modified.sort()
225
308
delta.unchanged.sort()