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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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""UI helper for the push command."""
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from bzrlib import (builtins, bzrdir, errors, revision as _mod_revision,
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from bzrlib.trace import note, warning
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revision as _mod_revision,
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from bzrlib.trace import (
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class PushResult(object):
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"""Result of a push operation.
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:ivar branch_push_result: Result of a push between branches
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:ivar target_branch: The target branch
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:ivar stacked_on: URL of the branch on which the result is stacked
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:ivar workingtree_updated: Whether or not the target workingtree was updated.
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self.branch_push_result = None
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self.stacked_on = None
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self.workingtree_updated = None
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self.target_branch = None
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def report(self, to_file):
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"""Write a human-readable description of the result."""
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if self.branch_push_result is None:
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if self.stacked_on is not None:
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note('Created new stacked branch referring to %s.' %
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note('Created new branch.')
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self.branch_push_result.report(to_file)
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def _show_push_branch(br_from, revision_id, location, to_file, verbose=False,
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directory exists without a current .bzr directory in it
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to_transport = transport.get_transport(location)
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br_to = repository_to = dir_to = None
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dir_to = bzrdir.BzrDir.open_from_transport(to_transport)
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except errors.NotBranchError:
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pass # Didn't find anything
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# If we can open a branch, use its direct repository, otherwise see
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# if there is a repository without a branch.
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br_to = dir_to.open_branch()
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except errors.NotBranchError:
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# Didn't find a branch, can we find a repository?
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repository_to = dir_to.find_repository()
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except errors.NoRepositoryPresent:
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# Found a branch, so we must have found a repository
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repository_to = br_to.repository
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# Didn't find anything
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# The destination doesn't exist; create it.
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# XXX: Refactor the create_prefix/no_create_prefix code into a
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# common helper function
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def make_directory(transport):
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def redirected(transport, e, redirection_notice):
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note(redirection_notice)
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return transport._redirected_to(e.source, e.target)
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to_transport = transport.do_catching_redirections(
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make_directory, to_transport, redirected)
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except errors.FileExists:
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br_to = br_from.create_clone_on_transport(to_transport,
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revision_id=revision_id, stacked_on=stacked_on,
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create_prefix=create_prefix, use_existing_dir=use_existing_dir)
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except errors.FileExists, err:
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if err.path.endswith('/.bzr'):
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raise errors.BzrCommandError(
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"Target directory %s already contains a .bzr directory, "
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"but it is not valid." % (location,))
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if not use_existing_dir:
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raise errors.BzrCommandError("Target directory %s"
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" already exists, but does not have a valid .bzr"
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" already exists, but does not have a .bzr"
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" directory. Supply --use-existing-dir to push"
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" there anyway." % location)
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# This shouldn't occur, but if it does the FileExists error will be
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# more informative than an UnboundLocalError for br_to.
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except errors.NoSuchFile:
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if not create_prefix:
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raise errors.BzrCommandError("Parent directory of %s"
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"\nYou may supply --create-prefix to create all"
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" leading parent directories."
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builtins._create_prefix(to_transport)
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# This shouldn't occur (because create_prefix is true, so
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# create_clone_on_transport should be catching NoSuchFile and
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# creating the missing directories) but if it does the original
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# NoSuchFile error will be more informative than an
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# UnboundLocalError for br_to.
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except errors.TooManyRedirections:
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raise errors.BzrCommandError("Too many redirections trying "
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"to make %s." % location)
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# Now the target directory exists, but doesn't have a .bzr
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# directory. So we need to create it, along with any work to create
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# all of the dependent branches, etc.
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dir_to = br_from.bzrdir.clone_on_transport(to_transport,
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revision_id=revision_id, stacked_on=stacked_on)
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br_to = dir_to.open_branch()
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push_result = PushResult()
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# TODO: Some more useful message about what was copied
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finally_stacked_on = br_to.get_stacked_on_url()
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push_result.stacked_on = br_to.get_stacked_on_url()
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except (errors.UnstackableBranchFormat,
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errors.UnstackableRepositoryFormat,
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errors.NotStacked):
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finally_stacked_on = None
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if finally_stacked_on is not None:
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note('Created new stacked branch referring to %s.' %
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note('Created new branch.')
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# We successfully created the target, remember it
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push_result.stacked_on = None
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push_result.target_branch = br_to
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push_result.old_revid = _mod_revision.NULL_REVISION
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push_result.old_revno = 0
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if br_from.get_push_location() is None or remember:
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br_from.set_push_location(br_to.base)
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elif repository_to is None:
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# we have a bzrdir but no branch or repository
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# XXX: Figure out what to do other than complain.
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raise errors.BzrCommandError("At %s you have a valid .bzr control"
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" directory, but not a branch or repository. This is an"
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" unsupported configuration. Please move the target directory"
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" out of the way and try again."
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# We have a repository but no branch, copy the revisions, and then
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if stacked_on is not None:
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warning("Ignoring request for a stacked branch as repository "
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"already exists at the destination location.")
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repository_to.fetch(br_from.repository, revision_id=revision_id)
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br_to = br_from.clone(dir_to, revision_id=revision_id)
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note('Created new branch.')
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if br_from.get_push_location() is None or remember:
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br_from.set_push_location(br_to.base)
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else: # We have a valid to branch
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if stacked_on is not None:
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warning("Ignoring request for a stacked branch as branch "
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"already exists at the destination location.")
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# We were able to connect to the remote location, so remember it.
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# (We don't need to successfully push because of possible divergence.)
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if br_from.get_push_location() is None or remember:
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br_from.set_push_location(br_to.base)
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tree_to = dir_to.open_workingtree()
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except errors.NotLocalUrl:
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warning("This transport does not update the working "
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"tree of: %s. See 'bzr help working-trees' for "
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"more information." % br_to.base)
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push_result = br_from.push(br_to, overwrite,
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stop_revision=revision_id)
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except errors.NoWorkingTree:
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push_result = br_from.push(br_to, overwrite,
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stop_revision=revision_id)
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push_result = br_from.push(tree_to.branch, overwrite,
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stop_revision=revision_id)
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push_result = dir_to.push_branch(br_from, revision_id, overwrite,
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remember, create_prefix)
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except errors.DivergedBranches:
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raise errors.BzrCommandError('These branches have diverged.'
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' Try using "merge" and then "push".')
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if push_result is not None:
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push_result.report(to_file)
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old_revid = push_result.old_revid
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old_revno = push_result.old_revno
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old_revid = _mod_revision.NULL_REVISION
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' See "bzr help diverged-branches"'
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' for more information.')
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except errors.NoRoundtrippingSupport, e:
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raise errors.BzrCommandError("It is not possible to losslessly "
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"push to %s. You may want to use dpush instead." %
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e.target_branch.mapping.vcs.abbreviation)
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except errors.NoRepositoryPresent:
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# we have a bzrdir but no branch or repository
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# XXX: Figure out what to do other than complain.
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raise errors.BzrCommandError("At %s you have a valid .bzr"
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" control directory, but not a branch or repository. This"
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" is an unsupported configuration. Please move the target"
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" directory out of the way and try again." % location)
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if push_result.workingtree_updated == False:
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warning("This transport does not update the working "
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"tree of: %s. See 'bzr help working-trees' for "
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"more information." % push_result.target_branch.base)
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push_result.report(to_file)
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br_to = push_result.target_branch
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br_to.lock_read()
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from bzrlib.log import show_branch_change
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show_branch_change(br_to, to_file, old_revno, old_revid)
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show_branch_change(br_to, to_file, push_result.old_revno,
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push_result.old_revid)
added
removed
bzrlib/push.py
