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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Reconfigure a bzrdir into a new tree/branch/repository layout"""
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from bzrlib import (
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self.repository = self.bzrdir.find_repository()
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except errors.NoRepositoryPresent:
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self.repository = None
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if (self.repository.bzrdir.root_transport.base ==
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self.bzrdir.root_transport.base):
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self.local_repository = self.repository
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self.local_repository = None
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branch = self.bzrdir.open_branch()
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if branch.bzrdir.root_transport.base == bzrdir.root_transport.base:
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raise errors.AlreadyLightweightCheckout(bzrdir)
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return reconfiguration
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def to_use_shared(klass, bzrdir):
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"""Convert a standalone branch into a repository branch"""
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reconfiguration = klass(bzrdir)
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reconfiguration._set_use_shared(use_shared=True)
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if not reconfiguration.changes_planned():
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raise errors.AlreadyUsingShared(bzrdir)
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return reconfiguration
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def to_standalone(klass, bzrdir):
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"""Convert a repository branch into a standalone branch"""
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reconfiguration = klass(bzrdir)
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reconfiguration._set_use_shared(use_shared=False)
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if not reconfiguration.changes_planned():
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raise errors.AlreadyStandalone(bzrdir)
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return reconfiguration
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def set_repository_trees(klass, bzrdir, with_trees):
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"""Adjust a repository's working tree presence default"""
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reconfiguration = klass(bzrdir)
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if not reconfiguration.repository.is_shared():
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raise errors.ReconfigurationNotSupported(reconfiguration.bzrdir)
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if with_trees and reconfiguration.repository.make_working_trees():
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raise errors.AlreadyWithTrees(bzrdir)
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and not reconfiguration.repository.make_working_trees()):
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raise errors.AlreadyWithNoTrees(bzrdir)
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reconfiguration._repository_trees = with_trees
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return reconfiguration
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def _plan_changes(self, want_tree, want_branch, want_bound,
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"""Determine which changes are needed to assume the configuration"""
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if want_tree and self.tree is None:
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self._create_tree = True
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def _set_use_shared(self, use_shared=None):
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if use_shared is None:
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if self.local_repository is not None:
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self._destroy_repository = True
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if self.local_repository is None:
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self._create_repository = True
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def changes_planned(self):
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"""Return True if changes are planned, False otherwise"""
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return (self._unbind or self._bind or self._destroy_tree
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or self._create_tree or self._destroy_reference
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or self._create_branch or self._create_repository
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or self._create_reference or self._destroy_repository)
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or self._create_reference)
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def _check(self):
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"""Raise if reconfiguration would destroy local changes"""
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changes = self.tree.changes_from(self.tree.basis_tree())
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if changes.has_changed():
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raise errors.UncommittedChanges(self.tree)
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if self._create_reference and self.local_branch is not None:
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reference_branch = branch.Branch.open(self._select_bind_location())
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if (reference_branch.last_revision() !=
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self.local_branch.last_revision()):
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raise errors.UnsyncedBranches(self.bzrdir, reference_branch)
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def _select_bind_location(self):
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"""Select a location to bind or create a reference to.
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if self._create_repository:
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repo = self.bzrdir.create_repository()
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if self.local_branch and not self._destroy_branch:
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repo.fetch(self.local_branch.repository,
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self.local_branch.last_revision())
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repo = self.repository
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if self._create_branch and self.referenced_branch is not None:
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if self._destroy_repository:
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if self._create_reference:
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reference_branch.repository.fetch(self.repository)
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elif self.local_branch is not None and not self._destroy_branch:
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up = self.local_branch.bzrdir.root_transport.clone('..')
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up_bzrdir = bzrdir.BzrDir.open_containing_from_transport(up)[0]
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new_repo = up_bzrdir.find_repository()
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new_repo.fetch(self.repository)
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last_revision_info = None
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if self._destroy_reference:
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last_revision_info = self.referenced_branch.last_revision_info()
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local_branch.bind(branch.Branch.open(bind_location))
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if self._destroy_repository:
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self.bzrdir.destroy_repository()
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if self._repository_trees is not None:
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repo.set_make_working_trees(self._repository_trees)
added
removed
bzrlib/reconfigure.py
