87
99
for v in self.renamed:
88
100
if v[2] == file_id:
102
for v in self.kind_changed:
93
def show(self, to_file, show_ids=False, show_unchanged=False):
94
"""output this delta in status-like form to to_file."""
97
path, fid, kind = item[:3]
99
if kind == 'directory':
101
elif kind == 'symlink':
104
if len(item) == 5 and item[4]:
108
print >>to_file, ' %-30s %s' % (path, fid)
110
print >>to_file, ' ', path
113
print >>to_file, 'removed:'
114
show_list(self.removed)
117
print >>to_file, 'added:'
118
show_list(self.added)
123
print >>to_file, '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))
132
print >>to_file, ' %s => %s %s' % (oldpath, newpath, fid)
134
print >>to_file, ' %s => %s' % (oldpath, newpath)
136
if self.modified or extra_modified:
137
print >>to_file, 'modified:'
138
show_list(self.modified)
139
show_list(extra_modified)
141
if show_unchanged and self.unchanged:
142
print >>to_file, 'unchanged:'
143
show_list(self.unchanged)
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,
159
def _compare_trees(old_tree, new_tree, want_unchanged, specific_file_ids,
162
from osutils import is_inside_any
163
old_inv = old_tree.inventory
164
new_inv = new_tree.inventory
107
def get_changes_as_text(self, show_ids=False, show_unchanged=False,
110
output = StringIO.StringIO()
111
report_delta(output, self, short_status, show_ids, show_unchanged)
112
return output.getvalue()
115
def _compare_trees(old_tree, new_tree, want_unchanged, specific_files,
116
include_root, extra_trees=None,
117
require_versioned=False, want_unversioned=False):
118
"""Worker function that implements Tree.changes_from."""
165
119
delta = TreeDelta()
166
120
# mutter('start compare_trees')
168
# TODO: Rather than iterating over the whole tree and then filtering, we
169
# could diff just the specified files (if any) and their subtrees.
171
old_files = old_tree.list_files(include_root)
172
new_files = new_tree.list_files(include_root)
183
except StopIteration:
184
return None, None, None, None, None
185
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
186
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
189
def check_matching(old_path, old_entry, new_path, new_entry):
190
"""We have matched up 2 file_ids, check for changes."""
191
assert old_entry.kind == new_entry.kind
193
if specific_file_ids:
194
if (old_entry.file_id not in specific_file_ids and
195
new_entry.file_id not in specific_file_ids):
198
# temporary hack until all entries are populated before clients
200
old_entry._read_tree_state(old_path, old_tree)
201
new_entry._read_tree_state(new_path, new_tree)
202
text_modified, meta_modified = new_entry.detect_changes(old_entry)
204
# If the name changes, or the parent_id changes, we have a rename
205
# (if we move a parent, that doesn't count as a rename for the file)
206
if (old_entry.name != new_entry.name
207
or old_entry.parent_id != new_entry.parent_id):
208
delta.renamed.append((old_path,
210
old_entry.file_id, old_entry.kind,
211
text_modified, meta_modified))
212
elif text_modified or meta_modified:
213
delta.modified.append((new_path, new_entry.file_id, new_entry.kind,
214
text_modified, meta_modified))
216
delta.unchanged.append((new_path, new_entry.file_id, new_entry.kind))
219
def handle_old(path, entry):
220
"""old entry without a new entry match
222
Check to see if a matching new entry was already seen as an
223
added file, and switch the pair into being a rename.
224
Otherwise just mark the old entry being removed.
226
if entry.file_id in added:
227
# Actually this is a rename, we found a new file_id earlier
228
# at a different location, so it is no-longer added
229
x_new_path, x_new_entry = added.pop(entry.file_id)
230
check_matching(path, entry, x_new_path, x_new_entry)
232
# We have an old_file_id which doesn't line up with a new_file_id
233
# So this file looks to be removed
234
assert entry.file_id not in removed
235
removed[entry.file_id] = path, entry
237
def handle_new(path, entry):
238
"""new entry without an old entry match
240
Check to see if a matching old entry was already seen as a
241
removal, and change the pair into a rename.
242
Otherwise just mark the new entry as an added file.
244
if entry.file_id in removed:
245
# We saw this file_id earlier at an old different location
246
# it is no longer removed, just renamed
247
x_old_path, x_old_entry = removed.pop(entry.file_id)
248
check_matching(x_old_path, x_old_entry, path, entry)
250
# We have a new file which does not match an old file
252
assert entry.file_id not in added
253
added[entry.file_id] = path, entry
255
while old_path is not None or new_path is not None:
256
# list_files() returns files in alphabetical path sorted order
257
if old_path == new_path:
258
if old_file_id == new_file_id:
259
# This is the common case, the files are in the same place
260
# check if there were any content changes
262
if old_file_id is None:
263
# We have 2 unversioned files, no deltas possible???
266
check_matching(old_path, old_entry, new_path, new_entry)
122
for (file_id, path, content_change, versioned, parent_id, name, kind,
123
executable) in new_tree.iter_changes(old_tree, want_unchanged,
124
specific_files, extra_trees=extra_trees,
125
require_versioned=require_versioned,
126
want_unversioned=want_unversioned):
127
if versioned == (False, False):
128
delta.unversioned.append((path[1], None, kind[1]))
130
if not include_root and (None, None) == parent_id:
132
fully_present = tuple((versioned[x] and kind[x] is not None) for
134
if fully_present[0] != fully_present[1]:
135
if fully_present[1] is True:
136
delta.added.append((path[1], file_id, kind[1]))
268
# The ids don't match, so we have to handle them both
270
if old_file_id is not None:
271
handle_old(old_path, old_entry)
273
if new_file_id is not None:
274
handle_new(new_path, new_entry)
276
# The two entries were at the same path, so increment both sides
277
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
278
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
279
elif new_path is None or (old_path is not None and old_path < new_path):
280
# Assume we don't match, only process old_path
281
if old_file_id is not None:
282
handle_old(old_path, old_entry)
283
# old_path came first, so increment it, trying to match up
284
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
285
elif new_path is not None:
286
# new_path came first, so increment it, trying to match up
287
if new_file_id is not None:
288
handle_new(new_path, new_entry)
289
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
291
# Now we have a set of added and removed files, mark them all
292
for old_path, old_entry in removed.itervalues():
293
if specific_file_ids:
294
if not old_entry.file_id in specific_file_ids:
296
delta.removed.append((old_path, old_entry.file_id, old_entry.kind))
297
for new_path, new_entry in added.itervalues():
298
if specific_file_ids:
299
if not new_entry.file_id in specific_file_ids:
301
delta.added.append((new_path, new_entry.file_id, new_entry.kind))
138
delta.removed.append((path[0], file_id, kind[0]))
139
elif fully_present[0] is False:
141
elif name[0] != name[1] or parent_id[0] != parent_id[1]:
142
# If the name changes, or the parent_id changes, we have a rename
143
# (if we move a parent, that doesn't count as a rename for the
145
delta.renamed.append((path[0],
150
(executable[0] != executable[1])))
151
elif kind[0] != kind[1]:
152
delta.kind_changed.append((path[1], file_id, kind[0], kind[1]))
153
elif content_change or executable[0] != executable[1]:
154
delta.modified.append((path[1], file_id, kind[1],
156
(executable[0] != executable[1])))
158
delta.unchanged.append((path[1], file_id, kind[1]))
303
160
delta.removed.sort()
304
161
delta.added.sort()
309
166
delta.unchanged.sort()
171
class _ChangeReporter(object):
172
"""Report changes between two trees"""
174
def __init__(self, output=None, suppress_root_add=True,
175
output_file=None, unversioned_filter=None, view_info=None):
178
:param output: a function with the signature of trace.note, i.e.
179
accepts a format and parameters.
180
:param supress_root_add: If true, adding the root will be ignored
181
(i.e. when a tree has just been initted)
182
:param output_file: If supplied, a file-like object to write to.
183
Only one of output and output_file may be supplied.
184
:param unversioned_filter: A filter function to be called on
185
unversioned files. This should return True to ignore a path.
186
By default, no filtering takes place.
187
:param view_info: A tuple of view_name,view_files if only
188
items inside a view are to be reported on, or None for
191
if output_file is not None:
192
if output is not None:
193
raise BzrError('Cannot specify both output and output_file')
194
def output(fmt, *args):
195
output_file.write((fmt % args) + '\n')
197
if self.output is None:
198
from bzrlib import trace
199
self.output = trace.note
200
self.suppress_root_add = suppress_root_add
201
self.modified_map = {'kind changed': 'K',
206
self.versioned_map = {'added': '+', # versioned target
207
'unchanged': ' ', # versioned in both
208
'removed': '-', # versioned in source
209
'unversioned': '?', # versioned in neither
211
self.unversioned_filter = unversioned_filter
212
if view_info is None:
213
self.view_name = None
216
self.view_name = view_info[0]
217
self.view_files = view_info[1]
218
self.output("Operating on whole tree but only reporting on "
219
"'%s' view." % (self.view_name,))
221
def report(self, file_id, paths, versioned, renamed, modified, exe_change,
223
"""Report one change to a file
225
:param file_id: The file_id of the file
226
:param path: The old and new paths as generated by Tree.iter_changes.
227
:param versioned: may be 'added', 'removed', 'unchanged', or
229
:param renamed: may be True or False
230
:param modified: may be 'created', 'deleted', 'kind changed',
231
'modified' or 'unchanged'.
232
:param exe_change: True if the execute bit has changed
233
:param kind: A pair of file kinds, as generated by Tree.iter_changes.
234
None indicates no file present.
238
if paths[1] == '' and versioned == 'added' and self.suppress_root_add:
240
if self.view_files and not osutils.is_inside_any(self.view_files,
243
if versioned == 'unversioned':
244
# skip ignored unversioned files if needed.
245
if self.unversioned_filter is not None:
246
if self.unversioned_filter(paths[1]):
248
# dont show a content change in the output.
249
modified = 'unchanged'
250
# we show both paths in the following situations:
251
# the file versioning is unchanged AND
252
# ( the path is different OR
253
# the kind is different)
254
if (versioned == 'unchanged' and
255
(renamed or modified == 'kind changed')):
257
# on a rename, we show old and new
258
old_path, path = paths
260
# if it's not renamed, we're showing both for kind changes
261
# so only show the new path
262
old_path, path = paths[1], paths[1]
263
# if the file is not missing in the source, we show its kind
264
# when we show two paths.
265
if kind[0] is not None:
266
old_path += osutils.kind_marker(kind[0])
268
elif versioned == 'removed':
269
# not present in target
278
rename = self.versioned_map[versioned]
279
# we show the old kind on the new path when the content is deleted.
280
if modified == 'deleted':
281
path += osutils.kind_marker(kind[0])
282
# otherwise we always show the current kind when there is one
283
elif kind[1] is not None:
284
path += osutils.kind_marker(kind[1])
289
self.output("%s%s%s %s%s", rename, self.modified_map[modified], exe,
292
def report_changes(change_iterator, reporter):
293
"""Report the changes from a change iterator.
295
This is essentially a translation from low-level to medium-level changes.
296
Further processing may be required to produce a human-readable output.
297
Unfortunately, some tree-changing operations are very complex
298
:change_iterator: an iterator or sequence of changes in the format
299
generated by Tree.iter_changes
300
:param reporter: The _ChangeReporter that will report the changes.
302
versioned_change_map = {
303
(True, True) : 'unchanged',
304
(True, False) : 'removed',
305
(False, True) : 'added',
306
(False, False): 'unversioned',
308
for (file_id, path, content_change, versioned, parent_id, name, kind,
309
executable) in change_iterator:
311
# files are "renamed" if they are moved or if name changes, as long
313
if None not in name and None not in parent_id and\
314
(name[0] != name[1] or parent_id[0] != parent_id[1]):
318
if kind[0] != kind[1]:
321
elif kind[1] is None:
324
modified = "kind changed"
327
modified = "modified"
329
modified = "unchanged"
330
if kind[1] == "file":
331
exe_change = (executable[0] != executable[1])
332
versioned_change = versioned_change_map[versioned]
333
reporter.report(file_id, path, versioned_change, renamed, modified,
336
def report_delta(to_file, delta, short_status=False, show_ids=False,
337
show_unchanged=False, indent='', filter=None):
338
"""Output this delta in status-like form to to_file.
340
:param to_file: A file-like object where the output is displayed.
342
:param delta: A TreeDelta containing the changes to be displayed
344
:param short_status: Single-line status if True.
346
:param show_ids: Output the file ids if True.
348
:param show_unchanged: Output the unchanged files if True.
350
:param indent: Added at the beginning of all output lines (for merged
353
:param filter: A callable receiving a path and a file id and
354
returning True if the path should be displayed.
357
def decorate_path(path, kind, meta_modified=None):
358
if kind == 'directory':
360
elif kind == 'symlink':
366
def show_more_renamed(item):
367
(oldpath, file_id, kind,
368
text_modified, meta_modified, newpath) = item
369
dec_new_path = decorate_path(newpath, kind, meta_modified)
370
to_file.write(' => %s' % dec_new_path)
371
if text_modified or meta_modified:
372
extra_modified.append((newpath, file_id, kind,
373
text_modified, meta_modified))
375
def show_more_kind_changed(item):
376
(path, file_id, old_kind, new_kind) = item
377
to_file.write(' (%s => %s)' % (old_kind, new_kind))
379
def show_path(path, file_id, kind, meta_modified,
380
default_format, with_file_id_format):
381
dec_path = decorate_path(path, kind, meta_modified)
383
to_file.write(with_file_id_format % dec_path)
385
to_file.write(default_format % dec_path)
387
def show_list(files, long_status_name, short_status_letter,
388
default_format='%s', with_file_id_format='%-30s',
393
prefix = short_status_letter
396
prefix = indent + prefix + ' '
399
path, file_id, kind = item[:3]
400
if (filter is not None and not filter(path, file_id)):
402
if not header_shown and not short_status:
403
to_file.write(indent + long_status_name + ':\n')
407
meta_modified = item[4]
409
to_file.write(prefix)
410
show_path(path, file_id, kind, meta_modified,
411
default_format, with_file_id_format)
412
if show_more is not None:
415
to_file.write(' %s' % file_id)
418
show_list(delta.removed, 'removed', 'D')
419
show_list(delta.added, 'added', 'A')
421
# Reorder delta.renamed tuples so that all lists share the same
422
# order for their 3 first fields and that they also begin like
423
# the delta.modified tuples
424
renamed = [(p, i, k, tm, mm, np)
425
for p, np, i, k, tm, mm in delta.renamed]
426
show_list(renamed, 'renamed', 'R', with_file_id_format='%s',
427
show_more=show_more_renamed)
428
show_list(delta.kind_changed, 'kind changed', 'K',
429
with_file_id_format='%s',
430
show_more=show_more_kind_changed)
431
show_list(delta.modified + extra_modified, 'modified', 'M')
433
show_list(delta.unchanged, 'unchanged', 'S')
435
show_list(delta.unversioned, 'unknown', ' ')
added
removed
bzrlib/delta.py
