275
def _get_trees_to_diff(path_list, revision_specs, old_url, new_url):
276
"""Get the trees and specific files to diff given a list of paths.
278
This method works out the trees to be diff'ed and the files of
279
interest within those trees.
282
the list of arguments passed to the diff command
283
:param revision_specs:
284
Zero, one or two RevisionSpecs from the diff command line,
285
saying what revisions to compare.
287
The url of the old branch or tree. If None, the tree to use is
288
taken from the first path, if any, or the current working tree.
290
The url of the new branch or tree. If None, the tree to use is
291
taken from the first path, if any, or the current working tree.
293
a tuple of (old_tree, new_tree, specific_files, extra_trees) where
294
extra_trees is a sequence of additional trees to search in for
293
@deprecated_function(deprecated_in((2, 2, 0)))
294
def get_trees_and_branches_to_diff(path_list, revision_specs, old_url, new_url,
296
"""Get the trees and specific files to diff given a list of paths.
298
This method works out the trees to be diff'ed and the files of
299
interest within those trees.
302
the list of arguments passed to the diff command
303
:param revision_specs:
304
Zero, one or two RevisionSpecs from the diff command line,
305
saying what revisions to compare.
307
The url of the old branch or tree. If None, the tree to use is
308
taken from the first path, if any, or the current working tree.
310
The url of the new branch or tree. If None, the tree to use is
311
taken from the first path, if any, or the current working tree.
313
if True and a view is set, apply the view or check that the paths
316
a tuple of (old_tree, new_tree, old_branch, new_branch,
317
specific_files, extra_trees) where extra_trees is a sequence of
318
additional trees to search in for file-ids. The trees and branches
321
op = cleanup.OperationWithCleanups(get_trees_and_branches_to_diff_locked)
322
return op.run_simple(path_list, revision_specs, old_url, new_url,
323
op.add_cleanup, apply_view=apply_view)
326
def get_trees_and_branches_to_diff_locked(
327
path_list, revision_specs, old_url, new_url, add_cleanup, apply_view=True):
328
"""Get the trees and specific files to diff given a list of paths.
330
This method works out the trees to be diff'ed and the files of
331
interest within those trees.
334
the list of arguments passed to the diff command
335
:param revision_specs:
336
Zero, one or two RevisionSpecs from the diff command line,
337
saying what revisions to compare.
339
The url of the old branch or tree. If None, the tree to use is
340
taken from the first path, if any, or the current working tree.
342
The url of the new branch or tree. If None, the tree to use is
343
taken from the first path, if any, or the current working tree.
345
a callable like Command.add_cleanup. get_trees_and_branches_to_diff
346
will register cleanups that must be run to unlock the trees, etc.
348
if True and a view is set, apply the view or check that the paths
351
a tuple of (old_tree, new_tree, old_branch, new_branch,
352
specific_files, extra_trees) where extra_trees is a sequence of
353
additional trees to search in for file-ids. The trees and branches
354
will be read-locked until the cleanups registered via the add_cleanup
297
357
# Get the old and new revision specs
298
358
old_revision_spec = None
321
381
default_location = path_list[0]
322
382
other_paths = path_list[1:]
384
def lock_tree_or_branch(wt, br):
387
add_cleanup(wt.unlock)
390
add_cleanup(br.unlock)
324
392
# Get the old location
325
393
specific_files = []
326
394
if old_url is None:
327
395
old_url = default_location
328
396
working_tree, branch, relpath = \
329
397
bzrdir.BzrDir.open_containing_tree_or_branch(old_url)
398
lock_tree_or_branch(working_tree, branch)
330
399
if consider_relpath and relpath != '':
400
if working_tree is not None and apply_view:
401
views.check_path_in_view(working_tree, relpath)
331
402
specific_files.append(relpath)
332
403
old_tree = _get_tree_to_diff(old_revision_spec, working_tree, branch)
334
406
# Get the new location
335
407
if new_url is None:
337
409
if new_url != old_url:
338
410
working_tree, branch, relpath = \
339
411
bzrdir.BzrDir.open_containing_tree_or_branch(new_url)
412
lock_tree_or_branch(working_tree, branch)
340
413
if consider_relpath and relpath != '':
414
if working_tree is not None and apply_view:
415
views.check_path_in_view(working_tree, relpath)
341
416
specific_files.append(relpath)
342
417
new_tree = _get_tree_to_diff(new_revision_spec, working_tree, branch,
343
418
basis_is_default=working_tree is None)
345
421
# Get the specific files (all files is None, no files is [])
346
422
if make_paths_wt_relative and working_tree is not None:
347
other_paths = _relative_paths_in_tree(working_tree, other_paths)
424
from bzrlib.builtins import safe_relpath_files
425
other_paths = safe_relpath_files(working_tree, other_paths,
426
apply_view=apply_view)
427
except errors.FileInWrongBranch:
428
raise errors.BzrCommandError("Files are in different branches")
348
429
specific_files.extend(other_paths)
349
430
if len(specific_files) == 0:
350
431
specific_files = None
432
if (working_tree is not None and working_tree.supports_views()
434
view_files = working_tree.views.lookup_view()
436
specific_files = view_files
437
view_str = views.view_display_str(view_files)
438
note("*** Ignoring files outside view. View is %s" % view_str)
352
440
# Get extra trees that ought to be searched for file-ids
353
441
extra_trees = None
354
442
if working_tree is not None and working_tree not in (old_tree, new_tree):
355
443
extra_trees = (working_tree,)
356
return old_tree, new_tree, specific_files, extra_trees
444
return old_tree, new_tree, old_branch, new_branch, specific_files, extra_trees
359
447
def _get_tree_to_diff(spec, tree=None, branch=None, basis_is_default=True):
370
458
return spec.as_tree(branch)
373
def _relative_paths_in_tree(tree, paths):
374
"""Get the relative paths within a working tree.
376
Each path may be either an absolute path or a path relative to the
377
current working directory.
380
for filename in paths:
382
result.append(tree.relpath(osutils.dereference_path(filename)))
383
except errors.PathNotChild:
384
raise errors.BzrCommandError("Files are in different branches")
388
461
def show_diff_trees(old_tree, new_tree, to_file, specific_files=None,
389
462
external_diff_options=None,
390
463
old_label='a/', new_label='b/',
391
464
extra_trees=None,
392
465
path_encoding='utf8',
394
468
"""Show in text form the changes from one tree to another.
400
Include only changes to these files - None for all changes.
402
external_diff_options
403
If set, use an external GNU diff and pass these options.
406
If set, more Trees to use for looking up file ids
409
If set, the path will be encoded as specified, otherwise is supposed
470
:param to_file: The output stream.
471
:param specific_files:Include only changes to these files - None for all
473
:param external_diff_options: If set, use an external GNU diff and pass
475
:param extra_trees: If set, more Trees to use for looking up file ids
476
:param path_encoding: If set, the path will be encoded as specified,
477
otherwise is supposed to be utf8
478
:param format_cls: Formatter class (DiffTree subclass)
480
if format_cls is None:
481
format_cls = DiffTree
412
482
old_tree.lock_read()
414
484
if extra_trees is not None:
433
503
def _patch_header_date(tree, file_id, path):
434
504
"""Returns a timestamp suitable for use in a patch header."""
435
mtime = tree.get_file_mtime(file_id, path)
506
mtime = tree.get_file_mtime(file_id, path)
507
except errors.FileTimestampUnavailable:
436
509
return timestamp.format_patch_date(mtime)
439
@deprecated_function(one_three)
440
def get_prop_change(meta_modified):
442
return " (properties changed)"
446
512
def get_executable_change(old_is_x, new_is_x):
447
513
descr = { True:"+x", False:"-x", None:"??" }
448
514
if old_is_x != new_is_x:
623
689
return self.CANNOT_DIFF
624
690
from_label = '%s%s\t%s' % (self.old_label, old_path, old_date)
625
691
to_label = '%s%s\t%s' % (self.new_label, new_path, new_date)
626
return self.diff_text(from_file_id, to_file_id, from_label, to_label)
692
return self.diff_text(from_file_id, to_file_id, from_label, to_label,
628
def diff_text(self, from_file_id, to_file_id, from_label, to_label):
695
def diff_text(self, from_file_id, to_file_id, from_label, to_label,
696
from_path=None, to_path=None):
629
697
"""Diff the content of given files in two trees
631
699
:param from_file_id: The id of the file in the from tree. If None,
633
701
:param to_file_id: The id of the file in the to tree. This may refer
634
702
to a different file from from_file_id. If None,
635
703
the file is not present in the to tree.
704
:param from_path: The path in the from tree or None if unknown.
705
:param to_path: The path in the to tree or None if unknown.
637
def _get_text(tree, file_id):
707
def _get_text(tree, file_id, path):
638
708
if file_id is not None:
639
return tree.get_file(file_id).readlines()
709
return tree.get_file(file_id, path).readlines()
643
from_text = _get_text(self.old_tree, from_file_id)
644
to_text = _get_text(self.new_tree, to_file_id)
713
from_text = _get_text(self.old_tree, from_file_id, from_path)
714
to_text = _get_text(self.new_tree, to_file_id, to_path)
645
715
self.text_differ(from_label, from_text, to_label, to_text,
647
717
except errors.BinaryFile:
705
def _write_file(self, file_id, tree, prefix, relpath):
777
def _write_file(self, file_id, tree, prefix, relpath, force_temp=False,
779
if not force_temp and isinstance(tree, WorkingTree):
780
return tree.abspath(tree.id2path(file_id))
706
782
full_path = osutils.pathjoin(self._root, prefix, relpath)
707
if self._try_symlink_root(tree, prefix):
783
if not force_temp and self._try_symlink_root(tree, prefix):
709
785
parent_dir = osutils.dirname(full_path)
724
osutils.make_readonly(full_path)
725
mtime = tree.get_file_mtime(file_id)
726
os.utime(full_path, (mtime, mtime))
801
mtime = tree.get_file_mtime(file_id)
802
except errors.FileTimestampUnavailable:
805
os.utime(full_path, (mtime, mtime))
807
osutils.make_readonly(full_path)
729
def _prepare_files(self, file_id, old_path, new_path):
810
def _prepare_files(self, file_id, old_path, new_path, force_temp=False,
811
allow_write_new=False):
730
812
old_disk_path = self._write_file(file_id, self.old_tree, 'old',
813
old_path, force_temp)
732
814
new_disk_path = self._write_file(file_id, self.new_tree, 'new',
815
new_path, force_temp,
816
allow_write=allow_write_new)
734
817
return old_disk_path, new_disk_path
736
819
def finish(self):
737
osutils.rmtree(self._root)
821
osutils.rmtree(self._root)
823
if e.errno != errno.ENOENT:
824
mutter("The temporary directory \"%s\" was not "
825
"cleanly removed: %s." % (self._root, e))
739
827
def diff(self, file_id, old_path, new_path, old_kind, new_kind):
740
828
if (old_kind, new_kind) != ('file', 'file'):
741
829
return DiffPath.CANNOT_DIFF
742
self._prepare_files(file_id, old_path, new_path)
743
self._execute(osutils.pathjoin('old', old_path),
744
osutils.pathjoin('new', new_path))
830
(old_disk_path, new_disk_path) = self._prepare_files(
831
file_id, old_path, new_path)
832
self._execute(old_disk_path, new_disk_path)
834
def edit_file(self, file_id):
835
"""Use this tool to edit a file.
837
A temporary copy will be edited, and the new contents will be
840
:param file_id: The id of the file to edit.
841
:return: The new contents of the file.
843
old_path = self.old_tree.id2path(file_id)
844
new_path = self.new_tree.id2path(file_id)
845
new_abs_path = self._prepare_files(file_id, old_path, new_path,
846
allow_write_new=True,
848
command = self._get_command(osutils.pathjoin('old', old_path),
849
osutils.pathjoin('new', new_path))
850
subprocess.call(command, cwd=self._root)
851
new_file = open(new_abs_path, 'r')
853
return new_file.read()
747
858
class DiffTree(object):
906
1017
new_kind = self.new_tree.kind(file_id)
907
1018
except (errors.NoSuchId, errors.NoSuchFile):
1020
self._diff(file_id, old_path, new_path, old_kind, new_kind)
1023
def _diff(self, file_id, old_path, new_path, old_kind, new_kind):
910
1024
result = DiffPath._diff_many(self.differs, file_id, old_path,
911
1025
new_path, old_kind, new_kind)
912
1026
if result is DiffPath.CANNOT_DIFF: