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# Copyright (C) 2006 by Szilveszter Farkas (Phanatic) <szilveszter.farkas@gmail.com>
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# Some parts of the code are:
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# Copyright (C) 2005, 2006 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import bzrlib.errors as errors
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from bzrlib.workingtree import WorkingTree
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from errors import NoLocationKnown, NotBranchError
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def missing(branch, other_branch=None, reverse=False):
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""" Get the number of missing or extra revisions of local branch.
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:param branch: path to local branch
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:param other_branch: location of the other branch
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:param reverse: reverse the order of revisions
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:return: number of missing revisions (if < 0, then extra revisions * -1)
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from bzrlib.missing import find_unmerged
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local_branch = bzrlib.branch.Branch.open_containing(branch)[0]
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parent = local_branch.get_parent()
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if other_branch is None:
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if other_branch is None:
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remote_branch = bzrlib.branch.Branch.open(other_branch)
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if remote_branch.base == local_branch.base:
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remote_branch = local_branch
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local_branch.lock_read()
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remote_branch.lock_read()
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local_extra, remote_extra = find_unmerged(local_branch, remote_branch)
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remote_extra.reverse()
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ret = len(local_extra) * -1
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ret = len(remote_extra)
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if not remote_extra and not local_extra:
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remote_branch.unlock()
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if not ret and parent is None and other_branch is not None:
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local_branch.lock_write()
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# handle race conditions - a parent might be set while we run.
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if local_branch.get_parent() is None:
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local_branch.set_parent(remote_branch.base)
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def pull(branch, location=None, remember=False, overwrite=False, revision=None):
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""" Pull revisions from another branch.
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:param branch: the local branch where you want to pull
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:param location: location of branch you'd like to pull from (can be a bundle, too)
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:param remeber: if True, the location will be stored
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:param overwrite: if True, forget local changes, and update the branch to match the remote one
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:param revision: if specified, only the given revision will be pulled (revno)
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:return: number of revisions pulled
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from bzrlib.branch import Branch
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from bzrlib.bundle import read_bundle_from_url
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from bzrlib.bundle.apply_bundle import install_bundle
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tree_to = WorkingTree.open_containing(branch)[0]
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branch_to = tree_to.branch
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except errors.NoWorkingTree:
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branch_to = Branch.open_containing(branch)[0]
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except errors.NotBranchError:
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raise NotBranchError(location)
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except errors.NotBranchError:
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raise NotBranchError(location)
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if location is not None and not nobundle:
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reader = read_bundle_from_url(location)
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except errors.NotABundle:
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pass # Continue on considering this url a Branch
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stored_loc = branch_to.get_parent()
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if stored_loc is None:
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raise NoLocationKnown
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location = stored_loc
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if reader is not None and not nobundle:
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install_bundle(branch_to.repository, reader)
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branch_from = branch_to
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branch_from = Branch.open(location)
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if branch_to.get_parent() is None or remember:
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branch_to.set_parent(branch_from.base)
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if revision is not None:
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rev_id = branch_from.get_rev_id(revision)
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if reader is not None:
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rev_id = reader.info.target
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old_rh = branch_to.revision_history()
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if tree_to is not None:
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count = tree_to.pull(branch_from, overwrite, rev_id)
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count = branch_to.pull(branch_from, overwrite, rev_id)
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def update(location):
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""" Update a tree to have the latest code committed to its branch.
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:param location: the path to the branch/working tree
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:return: None if tree is up to date, 1 if there are conflicts, 0 if updated without having conflicts
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tree = WorkingTree.open_containing(location)[0]
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if tree.last_revision() == tree.branch.last_revision():
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# may be up to date, check master too.
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master = tree.branch.get_master_branch()
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if master is None or master.last_revision == tree.last_revision():
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# tree is up to date.
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conflicts = tree.update()
added
removed
olive/backend/update.py
