143
145
oldtmpf.close() # and delete
147
@deprecated_function(zero_eight)
148
def show_diff(b, from_spec, specific_files, external_diff_options=None,
149
revision2=None, output=None, b2=None):
150
def show_diff(b, revision, specific_files, external_diff_options=None):
150
151
"""Shortcut for showing the diff to the working tree.
152
Please use show_diff_trees instead.
158
None for 'basis tree', or otherwise the old revision to compare against.
160
The more general form is show_diff_trees(), where the caller
161
supplies any two trees.
167
if from_spec is None:
168
old_tree = b.bzrdir.open_workingtree()
170
old_tree = old_tree = old_tree.basis_tree()
172
old_tree = b.repository.revision_tree(from_spec.in_history(b).rev_id)
174
if revision2 is None:
176
new_tree = b.bzrdir.open_workingtree()
178
new_tree = b2.bzrdir.open_workingtree()
180
new_tree = b.repository.revision_tree(revision2.in_history(b).rev_id)
182
return show_diff_trees(old_tree, new_tree, output, specific_files,
183
external_diff_options)
186
def diff_cmd_helper(tree, specific_files, external_diff_options,
187
old_revision_spec=None, new_revision_spec=None):
188
"""Helper for cmd_diff.
194
The specific files to compare, or None
196
external_diff_options
197
If non-None, run an external diff, and pass it these options
200
If None, use basis tree as old revision, otherwise use the tree for
201
the specified revision.
204
If None, use working tree as new revision, otherwise use the tree for
205
the specified revision.
157
None for each, or otherwise the old revision to compare against.
207
159
The more general form is show_diff_trees(), where the caller
208
160
supplies any two trees.
213
revision_id = spec.in_store(tree.branch).rev_id
214
return tree.branch.repository.revision_tree(revision_id)
215
if old_revision_spec is None:
216
old_tree = tree.basis_tree()
218
old_tree = spec_tree(old_revision_spec)
220
if new_revision_spec is None:
223
new_tree = spec_tree(new_revision_spec)
225
return show_diff_trees(old_tree, new_tree, sys.stdout, specific_files,
226
external_diff_options)
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)
229
176
def show_diff_trees(old_tree, new_tree, to_file, specific_files=None,
275
205
diff_file = internal_diff
277
208
delta = compare_trees(old_tree, new_tree, want_unchanged=False,
278
209
specific_files=specific_files)
281
211
for path, file_id, kind in delta.removed:
283
print >>to_file, '=== removed %s %r' % (kind, old_label + path)
284
old_tree.inventory[file_id].diff(diff_file, old_label + path, old_tree,
285
DEVNULL, 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(),
286
220
for path, file_id, kind in delta.added:
288
print >>to_file, '=== added %s %r' % (kind, new_label + path)
289
new_tree.inventory[file_id].diff(diff_file, new_label + path, new_tree,
290
DEVNULL, None, None, to_file,
292
for (old_path, new_path, file_id, kind,
293
text_modified, meta_modified) in delta.renamed:
295
prop_str = get_prop_change(meta_modified)
296
print >>to_file, '=== renamed %s %r => %r%s' % (
297
kind, old_label + old_path, new_label + new_path, prop_str)
298
_maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
299
new_label, new_path, new_tree,
300
text_modified, kind, to_file, diff_file)
301
for path, file_id, kind, text_modified, meta_modified in delta.modified:
303
prop_str = get_prop_change(meta_modified)
304
print >>to_file, '=== modified %s %r%s' % (kind, old_label + 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)
306
231
if text_modified:
307
_maybe_diff_file_or_symlink(old_label, path, old_tree, file_id,
308
new_label, path, new_tree,
309
True, kind, to_file, diff_file)
314
def _raise_if_doubly_unversioned(specific_files, old_tree, new_tree):
315
"""Complain if paths are not versioned in either tree."""
316
if not specific_files:
318
old_unversioned = old_tree.filter_unversioned_files(specific_files)
319
new_unversioned = new_tree.filter_unversioned_files(specific_files)
320
unversioned = old_unversioned.intersection(new_unversioned)
322
raise errors.PathsNotVersionedError(sorted(unversioned))
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
325
def get_prop_change(meta_modified):
327
return " (properties changed)"
332
def _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
333
new_label, new_path, new_tree, text_modified,
334
kind, to_file, diff_file):
336
new_entry = new_tree.inventory[file_id]
337
old_tree.inventory[file_id].diff(diff_file,
338
old_label + old_path, old_tree,
339
new_label + new_path, new_entry,
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()