275
def _get_trees_to_diff(path_list, revision_specs, old_url, new_url,
277
"""Get the trees and specific files to diff given a list of paths.
279
This method works out the trees to be diff'ed and the files of
280
interest within those trees.
283
the list of arguments passed to the diff command
284
:param revision_specs:
285
Zero, one or two RevisionSpecs from the diff command line,
286
saying what revisions to compare.
288
The url of the old branch or tree. If None, the tree to use is
289
taken from the first path, if any, or the current working tree.
291
The url of the new branch or tree. If None, the tree to use is
292
taken from the first path, if any, or the current working tree.
294
if True and a view is set, apply the view or check that the paths
297
a tuple of (old_tree, new_tree, specific_files, extra_trees) where
298
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
301
357
# Get the old and new revision specs
302
358
old_revision_spec = None
325
381
default_location = path_list[0]
326
382
other_paths = path_list[1:]
384
def lock_tree_or_branch(wt, br):
387
add_cleanup(wt.unlock)
390
add_cleanup(br.unlock)
328
392
# Get the old location
329
393
specific_files = []
330
394
if old_url is None:
331
395
old_url = default_location
332
396
working_tree, branch, relpath = \
333
397
bzrdir.BzrDir.open_containing_tree_or_branch(old_url)
398
lock_tree_or_branch(working_tree, branch)
334
399
if consider_relpath and relpath != '':
335
400
if working_tree is not None and apply_view:
336
401
views.check_path_in_view(working_tree, relpath)
337
402
specific_files.append(relpath)
338
403
old_tree = _get_tree_to_diff(old_revision_spec, working_tree, branch)
340
406
# Get the new location
341
407
if new_url is None:
343
409
if new_url != old_url:
344
410
working_tree, branch, relpath = \
345
411
bzrdir.BzrDir.open_containing_tree_or_branch(new_url)
412
lock_tree_or_branch(working_tree, branch)
346
413
if consider_relpath and relpath != '':
347
414
if working_tree is not None and apply_view:
348
415
views.check_path_in_view(working_tree, relpath)
349
416
specific_files.append(relpath)
350
417
new_tree = _get_tree_to_diff(new_revision_spec, working_tree, branch,
351
418
basis_is_default=working_tree is None)
353
421
# Get the specific files (all files is None, no files is [])
354
422
if make_paths_wt_relative and working_tree is not None:
368
436
specific_files = view_files
369
437
view_str = views.view_display_str(view_files)
370
note("*** ignoring files outside view: %s" % view_str)
438
note("*** Ignoring files outside view. View is %s" % view_str)
372
440
# Get extra trees that ought to be searched for file-ids
373
441
extra_trees = None
374
442
if working_tree is not None and working_tree not in (old_tree, new_tree):
375
443
extra_trees = (working_tree,)
376
return old_tree, new_tree, specific_files, extra_trees
444
return old_tree, new_tree, old_branch, new_branch, specific_files, extra_trees
378
447
def _get_tree_to_diff(spec, tree=None, branch=None, basis_is_default=True):
379
448
if branch is None and tree is not None:
394
463
old_label='a/', new_label='b/',
395
464
extra_trees=None,
396
465
path_encoding='utf8',
398
468
"""Show in text form the changes from one tree to another.
404
Include only changes to these files - None for all changes.
406
external_diff_options
407
If set, use an external GNU diff and pass these options.
410
If set, more Trees to use for looking up file ids
413
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
416
482
old_tree.lock_read()
418
484
if extra_trees is not None:
620
689
return self.CANNOT_DIFF
621
690
from_label = '%s%s\t%s' % (self.old_label, old_path, old_date)
622
691
to_label = '%s%s\t%s' % (self.new_label, new_path, new_date)
623
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,
625
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):
626
697
"""Diff the content of given files in two trees
628
699
:param from_file_id: The id of the file in the from tree. If None,
630
701
:param to_file_id: The id of the file in the to tree. This may refer
631
702
to a different file from from_file_id. If None,
632
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.
634
def _get_text(tree, file_id):
707
def _get_text(tree, file_id, path):
635
708
if file_id is not None:
636
return tree.get_file(file_id).readlines()
709
return tree.get_file(file_id, path).readlines()
640
from_text = _get_text(self.old_tree, from_file_id)
641
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)
642
715
self.text_differ(from_label, from_text, to_label, to_text,
644
717
except errors.BinaryFile:
702
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))
703
782
full_path = osutils.pathjoin(self._root, prefix, relpath)
704
if self._try_symlink_root(tree, prefix):
783
if not force_temp and self._try_symlink_root(tree, prefix):
706
785
parent_dir = osutils.dirname(full_path)
721
osutils.make_readonly(full_path)
722
mtime = tree.get_file_mtime(file_id)
723
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)
726
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):
727
812
old_disk_path = self._write_file(file_id, self.old_tree, 'old',
813
old_path, force_temp)
729
814
new_disk_path = self._write_file(file_id, self.new_tree, 'new',
815
new_path, force_temp,
816
allow_write=allow_write_new)
731
817
return old_disk_path, new_disk_path
733
819
def finish(self):
734
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))
736
827
def diff(self, file_id, old_path, new_path, old_kind, new_kind):
737
828
if (old_kind, new_kind) != ('file', 'file'):
738
829
return DiffPath.CANNOT_DIFF
739
self._prepare_files(file_id, old_path, new_path)
740
self._execute(osutils.pathjoin('old', old_path),
741
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()
744
858
class DiffTree(object):
903
1017
new_kind = self.new_tree.kind(file_id)
904
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):
907
1024
result = DiffPath._diff_many(self.differs, file_id, old_path,
908
1025
new_path, old_kind, new_kind)
909
1026
if result is DiffPath.CANNOT_DIFF: