150
156
oldtmpf.close() # and delete
155
def show_diff(b, revision, specific_files, external_diff_options=None):
160
@deprecated_function(zero_eight)
161
def show_diff(b, from_spec, specific_files, external_diff_options=None,
162
revision2=None, output=None, b2=None):
156
163
"""Shortcut for showing the diff to the working tree.
165
Please use show_diff_trees instead.
162
None for each, or otherwise the old revision to compare against.
171
None for 'basis tree', or otherwise the old revision to compare against.
173
The more general form is show_diff_trees(), where the caller
174
supplies any two trees.
180
if from_spec is None:
181
old_tree = b.bzrdir.open_workingtree()
183
old_tree = old_tree = old_tree.basis_tree()
185
old_tree = b.repository.revision_tree(from_spec.in_history(b).rev_id)
187
if revision2 is None:
189
new_tree = b.bzrdir.open_workingtree()
191
new_tree = b2.bzrdir.open_workingtree()
193
new_tree = b.repository.revision_tree(revision2.in_history(b).rev_id)
195
return show_diff_trees(old_tree, new_tree, output, specific_files,
196
external_diff_options)
199
def diff_cmd_helper(tree, specific_files, external_diff_options,
200
old_revision_spec=None, new_revision_spec=None,
201
old_label='a/', new_label='b/'):
202
"""Helper for cmd_diff.
208
The specific files to compare, or None
210
external_diff_options
211
If non-None, run an external diff, and pass it these options
214
If None, use basis tree as old revision, otherwise use the tree for
215
the specified revision.
218
If None, use working tree as new revision, otherwise use the tree for
219
the specified revision.
164
221
The more general form is show_diff_trees(), where the caller
165
222
supplies any two trees.
170
old_tree = b.basis_tree()
172
old_tree = b.revision_tree(b.lookup_revision(revision))
174
new_tree = b.working_tree()
176
show_diff_trees(old_tree, new_tree, sys.stdout, specific_files,
177
external_diff_options)
227
revision_id = spec.in_store(tree.branch).rev_id
228
return tree.branch.repository.revision_tree(revision_id)
229
if old_revision_spec is None:
230
old_tree = tree.basis_tree()
232
old_tree = spec_tree(old_revision_spec)
234
if new_revision_spec is None:
237
new_tree = spec_tree(new_revision_spec)
239
return show_diff_trees(old_tree, new_tree, sys.stdout, specific_files,
240
external_diff_options,
241
old_label=old_label, new_label=new_label)
181
244
def show_diff_trees(old_tree, new_tree, to_file, specific_files=None,
182
external_diff_options=None):
245
external_diff_options=None,
246
old_label='a/', new_label='b/'):
183
247
"""Show in text form the changes from one tree to another.
210
287
diff_file = internal_diff
213
289
delta = compare_trees(old_tree, new_tree, want_unchanged=False,
214
290
specific_files=specific_files)
216
293
for path, file_id, kind in delta.removed:
217
print >>to_file, '*** removed %s %r' % (kind, path)
219
diff_file(old_label + path,
220
old_tree.get_file(file_id).readlines(),
295
print >>to_file, '=== removed %s %r' % (kind, path.encode('utf8'))
296
old_name = '%s%s\t%s' % (old_label, path,
297
_patch_header_date(old_tree, file_id, path))
298
new_name = '%s%s\t%s' % (new_label, path, EPOCH_DATE)
299
old_tree.inventory[file_id].diff(diff_file, old_name, old_tree,
300
new_name, None, None, to_file)
225
301
for path, file_id, kind in delta.added:
226
print >>to_file, '*** added %s %r' % (kind, path)
231
new_tree.get_file(file_id).readlines(),
234
for old_path, new_path, file_id, kind, text_modified in delta.renamed:
235
print >>to_file, '*** renamed %s %r => %r' % (kind, old_path, new_path)
303
print >>to_file, '=== added %s %r' % (kind, path.encode('utf8'))
304
old_name = '%s%s\t%s' % (old_label, path, EPOCH_DATE)
305
new_name = '%s%s\t%s' % (new_label, path,
306
_patch_header_date(new_tree, file_id, path))
307
new_tree.inventory[file_id].diff(diff_file, new_name, new_tree,
308
old_name, None, None, to_file,
310
for (old_path, new_path, file_id, kind,
311
text_modified, meta_modified) in delta.renamed:
313
prop_str = get_prop_change(meta_modified)
314
print >>to_file, '=== renamed %s %r => %r%s' % (
315
kind, old_path.encode('utf8'),
316
new_path.encode('utf8'), prop_str)
317
old_name = '%s%s\t%s' % (old_label, old_path,
318
_patch_header_date(old_tree, file_id,
320
new_name = '%s%s\t%s' % (new_label, new_path,
321
_patch_header_date(new_tree, file_id,
323
_maybe_diff_file_or_symlink(old_name, old_tree, file_id,
325
text_modified, kind, to_file, diff_file)
326
for path, file_id, kind, text_modified, meta_modified in delta.modified:
328
prop_str = get_prop_change(meta_modified)
329
print >>to_file, '=== modified %s %r%s' % (kind, path.encode('utf8'), prop_str)
330
old_name = '%s%s\t%s' % (old_label, path,
331
_patch_header_date(old_tree, file_id, path))
332
new_name = '%s%s\t%s' % (new_label, path,
333
_patch_header_date(new_tree, file_id, path))
236
334
if text_modified:
237
diff_file(old_label + old_path,
238
old_tree.get_file(file_id).readlines(),
239
new_label + new_path,
240
new_tree.get_file(file_id).readlines(),
243
for path, file_id, kind in delta.modified:
244
print >>to_file, '*** modified %s %r' % (kind, path)
246
diff_file(old_label + path,
247
old_tree.get_file(file_id).readlines(),
249
new_tree.get_file(file_id).readlines(),
254
class TreeDelta(object):
255
"""Describes changes from one tree to another.
264
(oldpath, newpath, id, kind, text_modified)
270
Each id is listed only once.
272
Files that are both modified and renamed are listed only in
273
renamed, with the text_modified flag true.
275
Files are only considered renamed if their name has changed or
276
their parent directory has changed. Renaming a directory
277
does not count as renaming all its contents.
279
The lists are normally sorted when the delta is created.
288
def __eq__(self, other):
289
if not isinstance(other, TreeDelta):
291
return self.added == other.added \
292
and self.removed == other.removed \
293
and self.renamed == other.renamed \
294
and self.modified == other.modified \
295
and self.unchanged == other.unchanged
297
def __ne__(self, other):
298
return not (self == other)
301
return "TreeDelta(added=%r, removed=%r, renamed=%r, modified=%r," \
302
" unchanged=%r)" % (self.added, self.removed, self.renamed,
303
self.modified, self.unchanged)
305
def has_changed(self):
306
changes = len(self.added) + len(self.removed) + len(self.renamed)
307
changes += len(self.modified)
308
return (changes != 0)
310
def touches_file_id(self, file_id):
311
"""Return True if file_id is modified by this delta."""
312
for l in self.added, self.removed, self.modified:
316
for v in self.renamed:
322
def show(self, to_file, show_ids=False, show_unchanged=False):
323
def show_list(files):
324
for path, fid, kind in files:
325
if kind == 'directory':
327
elif kind == 'symlink':
331
print >>to_file, ' %-30s %s' % (path, fid)
333
print >>to_file, ' ', path
336
print >>to_file, 'removed:'
337
show_list(self.removed)
340
print >>to_file, 'added:'
341
show_list(self.added)
344
print >>to_file, 'renamed:'
345
for oldpath, newpath, fid, kind, text_modified in self.renamed:
347
print >>to_file, ' %s => %s %s' % (oldpath, newpath, fid)
349
print >>to_file, ' %s => %s' % (oldpath, newpath)
352
print >>to_file, 'modified:'
353
show_list(self.modified)
355
if show_unchanged and self.unchanged:
356
print >>to_file, 'unchanged:'
357
show_list(self.unchanged)
361
def compare_trees(old_tree, new_tree, want_unchanged=False, specific_files=None):
362
"""Describe changes from one tree to another.
364
Returns a TreeDelta with details of added, modified, renamed, and
367
The root entry is specifically exempt.
369
This only considers versioned files.
372
If true, also list files unchanged from one version to
376
If true, only check for changes to specified names or
380
from osutils import is_inside_any
382
old_inv = old_tree.inventory
383
new_inv = new_tree.inventory
385
mutter('start compare_trees')
387
# TODO: match for specific files can be rather smarter by finding
388
# the IDs of those files up front and then considering only that.
390
for file_id in old_tree:
391
if file_id in new_tree:
392
old_ie = old_inv[file_id]
393
new_ie = new_inv[file_id]
396
assert kind == new_ie.kind
398
assert kind in ('file', 'directory', 'symlink', 'root_directory'), \
399
'invalid file kind %r' % kind
401
if kind == 'root_directory':
405
if (not is_inside_any(specific_files, old_inv.id2path(file_id))
406
and not is_inside_any(specific_files, new_inv.id2path(file_id))):
410
old_sha1 = old_tree.get_file_sha1(file_id)
411
new_sha1 = new_tree.get_file_sha1(file_id)
412
text_modified = (old_sha1 != new_sha1)
414
## mutter("no text to check for %r %r" % (file_id, kind))
415
text_modified = False
417
# TODO: Can possibly avoid calculating path strings if the
418
# two files are unchanged and their names and parents are
419
# the same and the parents are unchanged all the way up.
420
# May not be worthwhile.
422
if (old_ie.name != new_ie.name
423
or old_ie.parent_id != new_ie.parent_id):
424
delta.renamed.append((old_inv.id2path(file_id),
425
new_inv.id2path(file_id),
429
delta.modified.append((new_inv.id2path(file_id), file_id, kind))
431
delta.unchanged.append((new_inv.id2path(file_id), file_id, kind))
433
kind = old_inv.get_file_kind(file_id)
434
old_path = old_inv.id2path(file_id)
436
if not is_inside_any(specific_files, old_path):
438
delta.removed.append((old_path, file_id, kind))
440
mutter('start looking for new files')
441
for file_id in new_inv:
442
if file_id in old_inv:
444
new_path = new_inv.id2path(file_id)
446
if not is_inside_any(specific_files, new_path):
448
kind = new_inv.get_file_kind(file_id)
449
delta.added.append((new_path, file_id, kind))
454
delta.modified.sort()
455
delta.unchanged.sort()
335
_maybe_diff_file_or_symlink(old_name, old_tree, file_id,
337
True, kind, to_file, diff_file)
342
def _patch_header_date(tree, file_id, path):
343
"""Returns a timestamp suitable for use in a patch header."""
344
tm = time.gmtime(tree.get_file_mtime(file_id, path))
345
return time.strftime('%Y-%m-%d %H:%M:%S +0000', tm)
348
def _raise_if_doubly_unversioned(specific_files, old_tree, new_tree):
349
"""Complain if paths are not versioned in either tree."""
350
if not specific_files:
352
old_unversioned = old_tree.filter_unversioned_files(specific_files)
353
new_unversioned = new_tree.filter_unversioned_files(specific_files)
354
unversioned = old_unversioned.intersection(new_unversioned)
356
raise errors.PathsNotVersionedError(sorted(unversioned))
359
def _raise_if_nonexistent(paths, old_tree, new_tree):
360
"""Complain if paths are not in either inventory or tree.
362
It's OK with the files exist in either tree's inventory, or
363
if they exist in the tree but are not versioned.
365
This can be used by operations such as bzr status that can accept
366
unknown or ignored files.
368
mutter("check paths: %r", paths)
371
s = old_tree.filter_unversioned_files(paths)
372
s = new_tree.filter_unversioned_files(s)
373
s = [path for path in s if not new_tree.has_filename(path)]
375
raise errors.PathsDoNotExist(sorted(s))
378
def get_prop_change(meta_modified):
380
return " (properties changed)"
385
def _maybe_diff_file_or_symlink(old_path, old_tree, file_id,
386
new_path, new_tree, text_modified,
387
kind, to_file, diff_file):
389
new_entry = new_tree.inventory[file_id]
390
old_tree.inventory[file_id].diff(diff_file,