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self.mapping = mapping
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def show_foreign_properties(rev):
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"""Custom log displayer for foreign revision identifiers.
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:param rev: Revision object.
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# Revision comes directly from a foreign repository
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if isinstance(rev, ForeignRevision):
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return rev.mapping.vcs.show_foreign_revid(rev.foreign_revid)
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# Revision was once imported from a foreign repository
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foreign_revid, mapping = \
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foreign_vcs_registry.parse_revision_id(rev.revision_id)
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except errors.InvalidRevisionId:
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return mapping.vcs.show_foreign_revid(foreign_revid)
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class ForeignVcs(object):
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"""A foreign version control system."""
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def __init__(self, mapping_registry):
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repository_format = None
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def __init__(self, mapping_registry, abbreviation=None):
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"""Create a new foreign vcs instance.
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:param mapping_registry: Registry with mappings for this VCS.
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:param abbreviation: Optional abbreviation ('bzr', 'svn', 'git', etc)
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self.abbreviation = abbreviation
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self.mapping_registry = mapping_registry
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def show_foreign_revid(self, foreign_revid):
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"""Get the default mapping for this repository."""
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raise NotImplementedError(self.get_default_mapping)
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def get_inventory_xml(self, revision_id):
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"""See Repository.get_inventory_xml()."""
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return self.serialise_inventory(self.get_inventory(revision_id))
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def get_inventory_sha1(self, revision_id):
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"""Get the sha1 for the XML representation of an inventory.
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:param revision_id: Revision id of the inventory for which to return
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return osutils.sha_string(self.get_inventory_xml(revision_id))
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def get_revision_xml(self, revision_id):
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"""Return the XML representation of a revision.
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:param revision_id: Revision for which to return the XML.
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return self._serializer.write_revision_to_string(
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self.get_revision(revision_id))
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class ForeignBranch(Branch):
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"""Branch that exists in a foreign version control system."""
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def __init__(self, mapping):
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self.mapping = mapping
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super(ForeignBranch, self).__init__()
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def update_workingtree_fileids(wt, target_tree):
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"""Update the file ids in a working tree based on another tree.
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:param wt: Working tree in which to update file ids
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:param target_tree: Tree to retrieve new file ids from, based on path
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tt = transform.TreeTransform(wt)
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for f, p, c, v, d, n, k, e in target_tree.iter_changes(wt):
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if v == (True, False):
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trans_id = tt.trans_id_tree_path(p[0])
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tt.unversion_file(trans_id)
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elif v == (False, True):
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trans_id = tt.trans_id_tree_path(p[1])
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tt.version_file(f, trans_id)
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if len(wt.get_parent_ids()) == 1:
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wt.set_parent_trees([(target_tree.get_revision_id(), target_tree)])
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wt.set_last_revision(target_tree.get_revision_id())
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class cmd_dpush(Command):
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__doc__ = """Push into a different VCS without any custom bzr metadata.
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This will afterwards rebase the local branch on the remote
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branch unless the --no-rebase option is used, in which case
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the two branches will be out of sync after the push.
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takes_args = ['location?']
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help='Branch to push from, '
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'rather than the one containing the working directory.',
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Option('no-rebase', help="Do not rebase after push."),
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help='Refuse to push if there are uncommitted changes in'
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' the working tree, --no-strict disables the check.'),
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def run(self, location=None, remember=False, directory=None,
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no_rebase=False, strict=None):
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from bzrlib import urlutils
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from bzrlib.bzrdir import BzrDir
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from bzrlib.errors import BzrCommandError, NoWorkingTree
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from bzrlib.workingtree import WorkingTree
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if directory is None:
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source_wt = WorkingTree.open_containing(directory)[0]
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source_branch = source_wt.branch
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except NoWorkingTree:
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source_branch = Branch.open(directory)
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if source_wt is not None:
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source_wt.check_changed_or_out_of_date(
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strict, 'dpush_strict',
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more_error='Use --no-strict to force the push.',
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more_warning='Uncommitted changes will not be pushed.')
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stored_loc = source_branch.get_push_location()
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if stored_loc is None:
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raise BzrCommandError("No push location known or specified.")
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display_url = urlutils.unescape_for_display(stored_loc,
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self.outf.write("Using saved location: %s\n" % display_url)
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location = stored_loc
314
bzrdir = BzrDir.open(location)
315
target_branch = bzrdir.open_branch()
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target_branch.lock_write()
319
push_result = source_branch.lossy_push(target_branch)
320
except errors.LossyPushToSameVCS:
321
raise BzrCommandError("%r and %r are in the same VCS, lossy "
322
"push not necessary. Please use regular push." %
323
(source_branch, target_branch))
324
# We successfully created the target, remember it
325
if source_branch.get_push_location() is None or remember:
326
source_branch.set_push_location(target_branch.base)
328
old_last_revid = source_branch.last_revision()
329
source_branch.pull(target_branch, overwrite=True)
330
new_last_revid = source_branch.last_revision()
331
if source_wt is not None and old_last_revid != new_last_revid:
332
source_wt.lock_write()
334
target = source_wt.branch.repository.revision_tree(
336
update_workingtree_fileids(source_wt, target)
339
push_result.report(self.outf)
341
target_branch.unlock()
344
class InterToForeignBranch(InterBranch):
346
def lossy_push(self, stop_revision=None):
347
"""Push deltas into another branch.
349
:note: This does not, like push, retain the revision ids from
350
the source branch and will, rather than adding bzr-specific
351
metadata, push only those semantics of the revision that can be
352
natively represented by this branch' VCS.
354
:param target: Target branch
355
:param stop_revision: Revision to push, defaults to last revision.
356
:return: BranchPushResult with an extra member revidmap:
357
A dictionary mapping revision ids from the target branch
358
to new revision ids in the target branch, for each
359
revision that was pushed.
361
raise NotImplementedError(self.lossy_push)