276
def _get_trees_to_diff(path_list, revision_specs, old_url, new_url,
278
"""Get the trees and specific files to diff given a list of paths.
280
This method works out the trees to be diff'ed and the files of
281
interest within those trees.
284
the list of arguments passed to the diff command
285
:param revision_specs:
286
Zero, one or two RevisionSpecs from the diff command line,
287
saying what revisions to compare.
289
The url of the old branch or tree. If None, the tree to use is
290
taken from the first path, if any, or the current working tree.
292
The url of the new branch or tree. If None, the tree to use is
293
taken from the first path, if any, or the current working tree.
295
if True and a view is set, apply the view or check that the paths
298
a tuple of (old_tree, new_tree, specific_files, extra_trees) where
299
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
302
357
# Get the old and new revision specs
303
358
old_revision_spec = None
326
381
default_location = path_list[0]
327
382
other_paths = path_list[1:]
384
def lock_tree_or_branch(wt, br):
387
add_cleanup(wt.unlock)
390
add_cleanup(br.unlock)
329
392
# Get the old location
330
393
specific_files = []
331
394
if old_url is None:
332
395
old_url = default_location
333
396
working_tree, branch, relpath = \
334
397
bzrdir.BzrDir.open_containing_tree_or_branch(old_url)
398
lock_tree_or_branch(working_tree, branch)
335
399
if consider_relpath and relpath != '':
336
400
if working_tree is not None and apply_view:
337
401
views.check_path_in_view(working_tree, relpath)
338
402
specific_files.append(relpath)
339
403
old_tree = _get_tree_to_diff(old_revision_spec, working_tree, branch)
341
406
# Get the new location
342
407
if new_url is None:
344
409
if new_url != old_url:
345
410
working_tree, branch, relpath = \
346
411
bzrdir.BzrDir.open_containing_tree_or_branch(new_url)
412
lock_tree_or_branch(working_tree, branch)
347
413
if consider_relpath and relpath != '':
348
414
if working_tree is not None and apply_view:
349
415
views.check_path_in_view(working_tree, relpath)
350
416
specific_files.append(relpath)
351
417
new_tree = _get_tree_to_diff(new_revision_spec, working_tree, branch,
352
418
basis_is_default=working_tree is None)
354
421
# Get the specific files (all files is None, no files is [])
355
422
if make_paths_wt_relative and working_tree is not None:
369
436
specific_files = view_files
370
437
view_str = views.view_display_str(view_files)
371
note("*** ignoring files outside view: %s" % view_str)
438
note("*** Ignoring files outside view. View is %s" % view_str)
373
440
# Get extra trees that ought to be searched for file-ids
374
441
extra_trees = None
375
442
if working_tree is not None and working_tree not in (old_tree, new_tree):
376
443
extra_trees = (working_tree,)
377
return old_tree, new_tree, specific_files, extra_trees
444
return old_tree, new_tree, old_branch, new_branch, specific_files, extra_trees
379
447
def _get_tree_to_diff(spec, tree=None, branch=None, basis_is_default=True):
380
448
if branch is None and tree is not None:
395
463
old_label='a/', new_label='b/',
396
464
extra_trees=None,
397
465
path_encoding='utf8',
399
468
"""Show in text form the changes from one tree to another.
405
Include only changes to these files - None for all changes.
407
external_diff_options
408
If set, use an external GNU diff and pass these options.
411
If set, more Trees to use for looking up file ids
414
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
417
482
old_tree.lock_read()
419
484
if extra_trees is not None:
438
503
def _patch_header_date(tree, file_id, path):
439
504
"""Returns a timestamp suitable for use in a patch header."""
440
mtime = tree.get_file_mtime(file_id, path)
506
mtime = tree.get_file_mtime(file_id, path)
507
except errors.FileTimestampUnavailable:
441
509
return timestamp.format_patch_date(mtime)
444
@deprecated_function(one_three)
445
def get_prop_change(meta_modified):
447
return " (properties changed)"
451
512
def get_executable_change(old_is_x, new_is_x):
452
513
descr = { True:"+x", False:"-x", None:"??" }
453
514
if old_is_x != new_is_x:
628
689
return self.CANNOT_DIFF
629
690
from_label = '%s%s\t%s' % (self.old_label, old_path, old_date)
630
691
to_label = '%s%s\t%s' % (self.new_label, new_path, new_date)
631
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,
633
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):
634
697
"""Diff the content of given files in two trees
636
699
:param from_file_id: The id of the file in the from tree. If None,
638
701
:param to_file_id: The id of the file in the to tree. This may refer
639
702
to a different file from from_file_id. If None,
640
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.
642
def _get_text(tree, file_id):
707
def _get_text(tree, file_id, path):
643
708
if file_id is not None:
644
return tree.get_file(file_id).readlines()
709
return tree.get_file(file_id, path).readlines()
648
from_text = _get_text(self.old_tree, from_file_id)
649
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)
650
715
self.text_differ(from_label, from_text, to_label, to_text,
652
717
except errors.BinaryFile:
710
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))
711
782
full_path = osutils.pathjoin(self._root, prefix, relpath)
712
if self._try_symlink_root(tree, prefix):
783
if not force_temp and self._try_symlink_root(tree, prefix):
714
785
parent_dir = osutils.dirname(full_path)
729
osutils.make_readonly(full_path)
730
mtime = tree.get_file_mtime(file_id)
731
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)
734
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):
735
812
old_disk_path = self._write_file(file_id, self.old_tree, 'old',
813
old_path, force_temp)
737
814
new_disk_path = self._write_file(file_id, self.new_tree, 'new',
815
new_path, force_temp,
816
allow_write=allow_write_new)
739
817
return old_disk_path, new_disk_path
741
819
def finish(self):
742
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))
744
827
def diff(self, file_id, old_path, new_path, old_kind, new_kind):
745
828
if (old_kind, new_kind) != ('file', 'file'):
746
829
return DiffPath.CANNOT_DIFF
747
self._prepare_files(file_id, old_path, new_path)
748
self._execute(osutils.pathjoin('old', old_path),
749
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()
752
858
class DiffTree(object):
911
1017
new_kind = self.new_tree.kind(file_id)
912
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):
915
1024
result = DiffPath._diff_many(self.differs, file_id, old_path,
916
1025
new_path, old_kind, new_kind)
917
1026
if result is DiffPath.CANNOT_DIFF: