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  • Committer: John Arbash Meinel
  • Date: 2009-02-25 21:13:22 UTC
  • mto: This revision was merged to the branch mainline in revision 4051.
  • Revision ID: john@arbash-meinel.com-20090225211322-qc94czk3s1g7nliq
Some direct tests for _group_keys_for_io

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#
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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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"""UI helper for the push command."""
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from bzrlib import (
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    builtins,
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    branch,
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    bzrdir,
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    errors,
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    revision as _mod_revision,
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    transport,
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    )
27
 
from bzrlib.trace import (
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    note,
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    warning,
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    )
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32
 
 
33
 
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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    """
41
 
 
42
 
    def __init__(self):
43
 
        self.branch_push_result = None
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        self.stacked_on = None
45
 
        self.workingtree_updated = None
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        self.target_branch = None
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48
 
    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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                    self.stacked_on)
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            else:
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                note('Created new branch.')
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        else:
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            self.branch_push_result.report(to_file)
 
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from bzrlib import (builtins, bzrdir, errors, revision as _mod_revision,
 
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                    transport)
 
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from bzrlib.trace import note, warning
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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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    """
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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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    try:
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        dir_to = bzrdir.BzrDir.open_from_transport(to_transport)
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    except errors.NotBranchError:
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        # Didn't find anything
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        dir_to = None
 
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        pass # Didn't find anything
 
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    else:
 
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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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        try:
 
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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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            try:
 
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                repository_to = dir_to.find_repository()
 
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            except errors.NoRepositoryPresent:
 
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                pass
 
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        else:
 
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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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    push_result = None
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    if dir_to is None:
 
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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
 
71
 
 
72
        def make_directory(transport):
 
73
            transport.mkdir('.')
 
74
            return transport
 
75
 
 
76
        def redirected(transport, e, redirection_notice):
 
77
            note(redirection_notice)
 
78
            return transport._redirected_to(e.source, e.target)
 
79
 
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80
        try:
90
 
            br_to = br_from.create_clone_on_transport(to_transport,
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                revision_id=revision_id, stacked_on=stacked_on,
92
 
                create_prefix=create_prefix, use_existing_dir=use_existing_dir)
93
 
        except errors.FileExists, err:
94
 
            if err.path.endswith('/.bzr'):
95
 
                raise errors.BzrCommandError(
96
 
                    "Target directory %s already contains a .bzr directory, "
97
 
                    "but it is not valid." % (location,))
 
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            to_transport = transport.do_catching_redirections(
 
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                make_directory, to_transport, redirected)
 
83
        except errors.FileExists:
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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 .bzr"
 
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                     " already exists, but does not have a valid .bzr"
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                     " directory. Supply --use-existing-dir to push"
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                     " there anyway." % location)
103
 
            # This shouldn't occur, but if it does the FileExists error will be
104
 
            # more informative than an UnboundLocalError for br_to.
105
 
            raise
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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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                    % location)
 
96
            builtins._create_prefix(to_transport)
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        except errors.TooManyRedirections:
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            raise errors.BzrCommandError("Too many redirections trying "
115
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                                         "to make %s." % location)
116
 
        push_result = PushResult()
 
100
 
 
101
        # Now the target directory exists, but doesn't have a .bzr
 
102
        # directory. So we need to create it, along with any work to create
 
103
        # all of the dependent branches, etc.
 
104
        dir_to = br_from.bzrdir.clone_on_transport(to_transport,
 
105
            revision_id=revision_id, stacked_on=stacked_on)
 
106
        # XXX: Fix this API to allow getting the branch back from the clone
 
107
        # call. Or something. 20090224 RBC/spiv.
 
108
        br_to = dir_to.open_branch()
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        # TODO: Some more useful message about what was copied
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        try:
119
 
            push_result.stacked_on = br_to.get_stacked_on_url()
 
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            finally_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):
123
 
            push_result.stacked_on = None
124
 
        push_result.target_branch = br_to
125
 
        push_result.old_revid = _mod_revision.NULL_REVISION
126
 
        push_result.old_revno = 0
 
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            finally_stacked_on = None
 
116
        if finally_stacked_on is not None:
 
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            note('Created new stacked branch referring to %s.' %
 
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                 finally_stacked_on)
 
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        else:
 
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            note('Created new branch.')
 
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        # We successfully created the target, remember it
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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)
129
 
    else:
 
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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.
 
127
        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"
 
130
            " out of the way and try again."
 
131
            % location)
 
132
    elif br_to is None:
 
133
        # We have a repository but no branch, copy the revisions, and then
 
134
        # create a branch.
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        if stacked_on is not None:
131
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            warning("Ignoring request for a stacked branch as repository "
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                    "already exists at the destination location.")
 
138
        repository_to.fetch(br_from.repository, revision_id=revision_id)
 
139
        br_to = br_from.clone(dir_to, revision_id=revision_id)
 
140
        note('Created new branch.')
 
141
        if br_from.get_push_location() is None or remember:
 
142
            br_from.set_push_location(br_to.base)
 
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    else: # We have a valid to branch
 
144
        if stacked_on is not None:
 
145
            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.
 
148
        # (We don't need to successfully push because of possible divergence.)
 
149
        if br_from.get_push_location() is None or remember:
 
150
            br_from.set_push_location(br_to.base)
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        try:
134
 
            push_result = dir_to.push_branch(br_from, revision_id, overwrite, 
135
 
                remember, create_prefix)
 
152
            try:
 
153
                tree_to = dir_to.open_workingtree()
 
154
            except errors.NotLocalUrl:
 
155
                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)
 
158
                push_result = br_from.push(br_to, overwrite,
 
159
                                           stop_revision=revision_id)
 
160
            except errors.NoWorkingTree:
 
161
                push_result = br_from.push(br_to, overwrite,
 
162
                                           stop_revision=revision_id)
 
163
            else:
 
164
                tree_to.lock_write()
 
165
                try:
 
166
                    push_result = br_from.push(tree_to.branch, overwrite,
 
167
                                               stop_revision=revision_id)
 
168
                    tree_to.update()
 
169
                finally:
 
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                    tree_to.unlock()
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        except errors.DivergedBranches:
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            raise errors.BzrCommandError('These branches have diverged.'
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                                    '  See "bzr help diverged-branches"'
139
 
                                    ' for more information.')
140
 
        except errors.NoRoundtrippingSupport, e:
141
 
            raise errors.BzrCommandError("It is not possible to losslessly "
142
 
                "push to %s. You may want to use dpush instead." % 
143
 
                    e.target_branch.mapping.vcs.abbreviation)
144
 
        except errors.NoRepositoryPresent:
145
 
            # we have a bzrdir but no branch or repository
146
 
            # XXX: Figure out what to do other than complain.
147
 
            raise errors.BzrCommandError("At %s you have a valid .bzr"
148
 
                " control directory, but not a branch or repository. This"
149
 
                " is an unsupported configuration. Please move the target"
150
 
                " directory out of the way and try again." % location)
151
 
        if push_result.workingtree_updated == False:
152
 
            warning("This transport does not update the working " 
153
 
                    "tree of: %s. See 'bzr help working-trees' for "
154
 
                    "more information." % push_result.target_branch.base)
155
 
    push_result.report(to_file)
 
173
                                    '  Try using "merge" and then "push".')
 
174
    if push_result is not None:
 
175
        push_result.report(to_file)
 
176
        old_revid = push_result.old_revid
 
177
        old_revno = push_result.old_revno
 
178
    else:
 
179
        old_revid = _mod_revision.NULL_REVISION
 
180
        old_revno = 0
156
181
    if verbose:
157
 
        br_to = push_result.target_branch
158
182
        br_to.lock_read()
159
183
        try:
160
184
            from bzrlib.log import show_branch_change
161
 
            show_branch_change(br_to, to_file, push_result.old_revno, 
162
 
                               push_result.old_revid)
 
185
            show_branch_change(br_to, to_file, old_revno, old_revid)
163
186
        finally:
164
187
            br_to.unlock()
165
 
 
166