156
145
oldtmpf.close() # and delete
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):
150
def show_diff(b, revision, specific_files, external_diff_options=None):
163
151
"""Shortcut for showing the diff to the working tree.
165
Please use show_diff_trees instead.
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.
157
None for each, or otherwise the old revision to compare against.
221
159
The more general form is show_diff_trees(), where the caller
222
160
supplies any two trees.
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)
165
old_tree = b.basis_tree()
167
old_tree = b.revision_tree(b.lookup_revision(revision))
169
new_tree = b.working_tree()
171
show_diff_trees(old_tree, new_tree, sys.stdout, specific_files,
172
external_diff_options)
244
176
def show_diff_trees(old_tree, new_tree, to_file, specific_files=None,
245
external_diff_options=None,
246
old_label='a/', new_label='b/'):
177
external_diff_options=None):
247
178
"""Show in text form the changes from one tree to another.
287
205
diff_file = internal_diff
289
208
delta = compare_trees(old_tree, new_tree, want_unchanged=False,
290
209
specific_files=specific_files)
293
211
for path, file_id, kind in delta.removed:
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)
212
print >>to_file, '*** removed %s %r' % (kind, path)
214
diff_file(old_label + path,
215
old_tree.get_file(file_id).readlines(),
301
220
for path, file_id, kind in delta.added:
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))
221
print >>to_file, '*** added %s %r' % (kind, path)
226
new_tree.get_file(file_id).readlines(),
229
for old_path, new_path, file_id, kind, text_modified in delta.renamed:
230
print >>to_file, '*** renamed %s %r => %r' % (kind, old_path, new_path)
334
231
if text_modified:
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,
232
diff_file(old_label + old_path,
233
old_tree.get_file(file_id).readlines(),
234
new_label + new_path,
235
new_tree.get_file(file_id).readlines(),
238
for path, file_id, kind in delta.modified:
239
print >>to_file, '*** modified %s %r' % (kind, path)
241
diff_file(old_label + path,
242
old_tree.get_file(file_id).readlines(),
244
new_tree.get_file(file_id).readlines(),
249
class TreeDelta(object):
250
"""Describes changes from one tree to another.
259
(oldpath, newpath, id, kind, text_modified)
265
Each id is listed only once.
267
Files that are both modified and renamed are listed only in
268
renamed, with the text_modified flag true.
270
The lists are normally sorted when the delta is created.
280
return "TreeDelta(added=%r, removed=%r, renamed=%r, modified=%r," \
281
" unchanged=%r)" % (self.added, self.removed, self.renamed,
282
self.modified, self.unchanged)
284
def has_changed(self):
285
changes = len(self.added) + len(self.removed) + len(self.renamed)
286
changes += len(self.modified)
287
return (changes != 0)
289
def touches_file_id(self, file_id):
290
"""Return True if file_id is modified by this delta."""
291
for l in self.added, self.removed, self.modified:
295
for v in self.renamed:
301
def show(self, to_file, show_ids=False, show_unchanged=False):
302
def show_list(files):
303
for path, fid, kind in files:
304
if kind == 'directory':
306
elif kind == 'symlink':
310
print >>to_file, ' %-30s %s' % (path, fid)
312
print >>to_file, ' ', path
315
print >>to_file, 'removed:'
316
show_list(self.removed)
319
print >>to_file, 'added:'
320
show_list(self.added)
323
print >>to_file, 'renamed:'
324
for oldpath, newpath, fid, kind, text_modified in self.renamed:
326
print >>to_file, ' %s => %s %s' % (oldpath, newpath, fid)
328
print >>to_file, ' %s => %s' % (oldpath, newpath)
331
print >>to_file, 'modified:'
332
show_list(self.modified)
334
if show_unchanged and self.unchanged:
335
print >>to_file, 'unchanged:'
336
show_list(self.unchanged)
340
def compare_trees(old_tree, new_tree, want_unchanged, specific_files=None):
341
"""Describe changes from one tree to another.
343
Returns a TreeDelta with details of added, modified, renamed, and
346
The root entry is specifically exempt.
348
This only considers versioned files.
351
If true, also list files unchanged from one version to
355
If true, only check for changes to specified names or
359
from osutils import is_inside_any
361
old_inv = old_tree.inventory
362
new_inv = new_tree.inventory
364
mutter('start compare_trees')
366
# TODO: match for specific files can be rather smarter by finding
367
# the IDs of those files up front and then considering only that.
369
for file_id in old_tree:
370
if file_id in new_tree:
371
kind = old_inv.get_file_kind(file_id)
372
assert kind == new_inv.get_file_kind(file_id)
374
assert kind in ('file', 'directory', 'symlink', 'root_directory'), \
375
'invalid file kind %r' % kind
377
if kind == 'root_directory':
380
old_path = old_inv.id2path(file_id)
381
new_path = new_inv.id2path(file_id)
384
if (not is_inside_any(specific_files, old_path)
385
and not is_inside_any(specific_files, new_path)):
389
old_sha1 = old_tree.get_file_sha1(file_id)
390
new_sha1 = new_tree.get_file_sha1(file_id)
391
text_modified = (old_sha1 != new_sha1)
393
## mutter("no text to check for %r %r" % (file_id, kind))
394
text_modified = False
396
# TODO: Can possibly avoid calculating path strings if the
397
# two files are unchanged and their names and parents are
398
# the same and the parents are unchanged all the way up.
399
# May not be worthwhile.
401
if old_path != new_path:
402
delta.renamed.append((old_path, new_path, file_id, kind,
405
delta.modified.append((new_path, file_id, kind))
407
delta.unchanged.append((new_path, file_id, kind))
409
kind = old_inv.get_file_kind(file_id)
410
old_path = old_inv.id2path(file_id)
412
if not is_inside_any(specific_files, old_path):
414
delta.removed.append((old_path, file_id, kind))
416
mutter('start looking for new files')
417
for file_id in new_inv:
418
if file_id in old_inv:
420
new_path = new_inv.id2path(file_id)
422
if not is_inside_any(specific_files, new_path):
424
kind = new_inv.get_file_kind(file_id)
425
delta.added.append((new_path, file_id, kind))
430
delta.modified.sort()
431
delta.unchanged.sort()