1
# Copyright (C) 2008, 2009, 2010 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
"""UI helper for the push command."""
22
revision as _mod_revision,
25
from bzrlib.trace import (
29
from bzrlib.i18n import gettext
32
class PushResult(object):
33
"""Result of a push operation.
35
:ivar branch_push_result: Result of a push between branches
36
:ivar target_branch: The target branch
37
:ivar stacked_on: URL of the branch on which the result is stacked
38
:ivar workingtree_updated: Whether or not the target workingtree was updated.
42
self.branch_push_result = None
43
self.stacked_on = None
44
self.workingtree_updated = None
45
self.target_branch = None
47
def report(self, to_file):
48
"""Write a human-readable description of the result."""
49
if self.branch_push_result is None:
50
if self.stacked_on is not None:
51
note(gettext('Created new stacked branch referring to %s.') %
54
note(gettext('Created new branch.'))
56
self.branch_push_result.report(to_file)
59
def _show_push_branch(br_from, revision_id, location, to_file, verbose=False,
60
overwrite=False, remember=False, stacked_on=None, create_prefix=False,
61
use_existing_dir=False, no_tree=False):
62
"""Push a branch to a location.
64
:param br_from: the source branch
65
:param revision_id: the revision-id to push up to
66
:param location: the url of the destination
67
:param to_file: the output stream
68
:param verbose: if True, display more output than normal
69
:param overwrite: if False, a current branch at the destination may not
70
have diverged from the source, otherwise the push fails
71
:param remember: if True, store the location as the push location for
73
:param stacked_on: the url of the branch, if any, to stack on;
74
if set, only the revisions not in that branch are pushed
75
:param create_prefix: if True, create the necessary parent directories
76
at the destination if they don't already exist
77
:param use_existing_dir: if True, proceed even if the destination
78
directory exists without a current .bzr directory in it
80
to_transport = transport.get_transport(location)
82
dir_to = bzrdir.BzrDir.open_from_transport(to_transport)
83
except errors.NotBranchError:
84
# Didn't find anything
89
br_to = br_from.create_clone_on_transport(to_transport,
90
revision_id=revision_id, stacked_on=stacked_on,
91
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(gettext(
96
"Target directory %s already contains a .bzr directory, "
97
"but it is not valid.") % (location,))
98
if not use_existing_dir:
99
raise errors.BzrCommandError(gettext("Target directory %s"
100
" already exists, but does not have a .bzr"
101
" directory. Supply --use-existing-dir to push"
102
" 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.
106
except errors.NoSuchFile:
107
if not create_prefix:
108
raise errors.BzrCommandError(gettext("Parent directory of %s"
110
"\nYou may supply --create-prefix to create all"
111
" leading parent directories.")
113
# This shouldn't occur (because create_prefix is true, so
114
# create_clone_on_transport should be catching NoSuchFile and
115
# creating the missing directories) but if it does the original
116
# NoSuchFile error will be more informative than an
117
# UnboundLocalError for br_to.
119
except errors.TooManyRedirections:
120
raise errors.BzrCommandError(gettext("Too many redirections trying "
121
"to make %s.") % location)
122
push_result = PushResult()
123
# TODO: Some more useful message about what was copied
125
push_result.stacked_on = br_to.get_stacked_on_url()
126
except (errors.UnstackableBranchFormat,
127
errors.UnstackableRepositoryFormat,
129
push_result.stacked_on = None
130
push_result.target_branch = br_to
131
push_result.old_revid = _mod_revision.NULL_REVISION
132
push_result.old_revno = 0
133
# Remembers if asked explicitly or no previous location is set
135
or (remember is None and br_from.get_push_location() is None)):
136
br_from.set_push_location(br_to.base)
138
if stacked_on is not None:
139
warning("Ignoring request for a stacked branch as repository "
140
"already exists at the destination location.")
142
push_result = dir_to.push_branch(br_from, revision_id, overwrite,
143
remember, create_prefix)
144
except errors.DivergedBranches:
145
raise errors.BzrCommandError(gettext('These branches have diverged.'
146
' See "bzr help diverged-branches"'
147
' for more information.'))
148
except errors.NoRoundtrippingSupport, e:
149
raise errors.BzrCommandError(gettext("It is not possible to losslessly "
150
"push to %s. You may want to use dpush instead.") %
151
e.target_branch.mapping.vcs.abbreviation)
152
except errors.NoRepositoryPresent:
153
# we have a bzrdir but no branch or repository
154
# XXX: Figure out what to do other than complain.
155
raise errors.BzrCommandError(gettext("At %s you have a valid .bzr"
156
" control directory, but not a branch or repository. This"
157
" is an unsupported configuration. Please move the target"
158
" directory out of the way and try again.") % location)
159
if push_result.workingtree_updated == False:
160
warning("This transport does not update the working "
161
"tree of: %s. See 'bzr help working-trees' for "
162
"more information." % push_result.target_branch.base)
163
push_result.report(to_file)
165
br_to = push_result.target_branch
168
from bzrlib.log import show_branch_change
169
show_branch_change(br_to, to_file, push_result.old_revno,
170
push_result.old_revid)