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# Copyright (C) 2005-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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__all__ = ['show_bzrdir_info']
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from io import StringIO
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branch as _mod_branch,
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from .errors import (NoWorkingTree, NotBranchError,
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NoRepositoryPresent, NotLocalUrl)
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from .missing import find_unmerged
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def plural(n, base=u'', pl=None):
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class LocationList(object):
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def __init__(self, base_path):
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self.base_path = base_path
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def add_url(self, label, url):
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"""Add a URL to the list, converting it to a path if possible"""
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path = urlutils.local_path_from_url(url)
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except urlutils.InvalidURL:
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self.locs.append((label, url))
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self.add_path(label, path)
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def add_path(self, label, path):
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"""Add a path, converting it to a relative path if possible"""
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path = osutils.relpath(self.base_path, path)
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except errors.PathNotChild:
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path = path.rstrip('/')
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self.locs.append((label, path))
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max_len = max(len(l) for l, u in self.locs)
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return [" %*s: %s\n" % (max_len, l, u) for l, u in self.locs ]
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def gather_location_info(repository=None, branch=None, working=None,
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if branch is not None:
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branch_path = branch.user_url
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master_path = branch.get_bound_location()
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if master_path is None:
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master_path = branch_path
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if control is not None and control.get_branch_reference():
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locs['checkout of branch'] = control.get_branch_reference()
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except NotBranchError:
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working_path = working.user_url
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if working_path != branch_path:
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locs['light checkout root'] = working_path
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if master_path != branch_path:
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if repository.is_shared():
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locs['repository checkout root'] = branch_path
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locs['checkout root'] = branch_path
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if working_path != master_path:
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locs['checkout of branch'] = master_path
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elif repository.is_shared():
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locs['repository branch'] = branch_path
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elif branch_path is not None:
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locs['branch root'] = branch_path
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if repository is not None and repository.is_shared():
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# lightweight checkout of branch in shared repository
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if branch_path is not None:
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locs['repository branch'] = branch_path
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elif branch_path is not None:
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locs['branch root'] = branch_path
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elif repository is not None:
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locs['repository'] = repository.user_url
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elif control is not None:
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locs['control directory'] = control.user_url
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# Really, at least a control directory should be
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# passed in for this method to be useful.
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if master_path != branch_path:
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locs['bound to branch'] = master_path
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if repository is not None and repository.is_shared():
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# lightweight checkout of branch in shared repository
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locs['shared repository'] = repository.user_url
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order = ['control directory', 'light checkout root',
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'repository checkout root', 'checkout root',
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'checkout of branch', 'shared repository',
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'repository', 'repository branch', 'branch root',
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return [(n, locs[n]) for n in order if n in locs]
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def _show_location_info(locs, outfile):
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"""Show known locations for working, branch and repository."""
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outfile.write('Location:\n')
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path_list = LocationList(osutils.getcwd())
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for name, loc in locs:
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path_list.add_url(name, loc)
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outfile.writelines(path_list.get_lines())
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def _gather_related_branches(branch):
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locs = LocationList(osutils.getcwd())
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locs.add_url('public branch', branch.get_public_branch())
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locs.add_url('push branch', branch.get_push_location())
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locs.add_url('parent branch', branch.get_parent())
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locs.add_url('submit branch', branch.get_submit_branch())
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locs.add_url('stacked on', branch.get_stacked_on_url())
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except (_mod_branch.UnstackableBranchFormat, errors.UnstackableRepositoryFormat,
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def _show_related_info(branch, outfile):
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"""Show parent and push location of branch."""
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locs = _gather_related_branches(branch)
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if len(locs.locs) > 0:
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outfile.write('Related branches:\n')
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outfile.writelines(locs.get_lines())
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def _show_control_dir_info(control, outfile):
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"""Show control dir information."""
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if control._format.colocated_branches:
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outfile.write('Control directory:\n')
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outfile.write(' %d branches\n' % len(control.list_branches()))
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def _show_format_info(control=None, repository=None, branch=None,
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working=None, outfile=None):
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"""Show known formats for control, working, branch and repository."""
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outfile.write('Format:\n')
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outfile.write(' control: %s\n' %
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control._format.get_format_description())
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outfile.write(' working tree: %s\n' %
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working._format.get_format_description())
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outfile.write(' branch: %s\n' %
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branch._format.get_format_description())
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outfile.write(' repository: %s\n' %
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repository._format.get_format_description())
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def _show_locking_info(repository=None, branch=None, working=None,
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"""Show locking status of working, branch and repository."""
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if (repository and repository.get_physical_lock_status() or
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(branch and branch.get_physical_lock_status()) or
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(working and working.get_physical_lock_status())):
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outfile.write('Lock status:\n')
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if working.get_physical_lock_status():
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outfile.write(' working tree: %s\n' % status)
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if branch.get_physical_lock_status():
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outfile.write(' branch: %s\n' % status)
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if repository.get_physical_lock_status():
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outfile.write(' repository: %s\n' % status)
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def _show_missing_revisions_branch(branch, outfile):
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"""Show missing master revisions in branch."""
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# Try with inaccessible branch ?
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master = branch.get_master_branch()
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local_extra, remote_extra = find_unmerged(branch, master)
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outfile.write(('Branch is out of date: missing %d '
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'revision%s.\n') % (len(remote_extra),
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plural(len(remote_extra))))
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def _show_missing_revisions_working(working, outfile):
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"""Show missing revisions in working tree."""
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branch = working.branch
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basis = working.basis_tree()
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branch_revno, branch_last_revision = branch.last_revision_info()
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except errors.UnsupportedOperation:
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tree_last_id = working.get_parent_ids()[0]
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if branch_revno and tree_last_id != branch_last_revision:
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tree_last_revno = branch.revision_id_to_revno(tree_last_id)
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missing_count = branch_revno - tree_last_revno
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outfile.write(('Working tree is out of date: missing %d '
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'revision%s.\n') % (missing_count, plural(missing_count)))
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def _show_working_stats(working, outfile):
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"""Show statistics about a working tree."""
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basis = working.basis_tree()
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delta = working.changes_from(basis, want_unchanged=True)
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outfile.write('In the working tree:\n')
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outfile.write(' %8s unchanged\n' % len(delta.unchanged))
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outfile.write(' %8d modified\n' % len(delta.modified))
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outfile.write(' %8d added\n' % len(delta.added))
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outfile.write(' %8d removed\n' % len(delta.removed))
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outfile.write(' %8d renamed\n' % len(delta.renamed))
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ignore_cnt = unknown_cnt = 0
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for path in working.extras():
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if working.is_ignored(path):
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outfile.write(' %8d unknown\n' % unknown_cnt)
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outfile.write(' %8d ignored\n' % ignore_cnt)
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for path, entry in working.iter_entries_by_dir():
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if entry.kind == 'directory' and path != '':
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outfile.write(' %8d versioned %s\n' % (dir_cnt,
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plural(dir_cnt, 'subdirectory', 'subdirectories')))
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def _show_branch_stats(branch, verbose, outfile):
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"""Show statistics about a branch."""
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revno, head = branch.last_revision_info()
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except errors.UnsupportedOperation:
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outfile.write('Branch history:\n')
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outfile.write(' %8d revision%s\n' % (revno, plural(revno)))
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stats = branch.repository.gather_stats(head, committers=verbose)
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committers = stats['committers']
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outfile.write(' %8d committer%s\n' % (committers,
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timestamp, timezone = stats['firstrev']
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age = int((time.time() - timestamp) / 3600 / 24)
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outfile.write(' %8d day%s old\n' % (age, plural(age)))
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outfile.write(' first revision: %s\n' %
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osutils.format_date(timestamp, timezone))
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timestamp, timezone = stats['latestrev']
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outfile.write(' latest revision: %s\n' %
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osutils.format_date(timestamp, timezone))
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def _show_repository_info(repository, outfile):
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"""Show settings of a repository."""
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if repository.make_working_trees():
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outfile.write('Create working tree for new branches inside '
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def _show_repository_stats(repository, stats, outfile):
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"""Show statistics about a repository."""
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if 'revisions' in stats:
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revisions = stats['revisions']
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f.write(' %8d revision%s\n' % (revisions, plural(revisions)))
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f.write(' %8d KiB\n' % (stats['size']/1024))
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for hook in hooks['repository']:
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hook(repository, stats, f)
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if f.getvalue() != "":
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outfile.write('Repository:\n')
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outfile.write(f.getvalue())
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def show_bzrdir_info(a_controldir, verbose=False, outfile=None):
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"""Output to stdout the 'info' for a_controldir."""
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tree = a_controldir.open_workingtree(
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recommend_upgrade=False)
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except (NoWorkingTree, NotLocalUrl, NotBranchError):
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branch = a_controldir.open_branch(name="")
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except NotBranchError:
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repository = a_controldir.open_repository()
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except NoRepositoryPresent:
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lockable = repository
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repository = branch.repository
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repository = branch.repository
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if lockable is not None:
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show_component_info(a_controldir, repository, branch, tree, verbose,
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if lockable is not None:
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def show_component_info(control, repository, branch=None, working=None,
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verbose=1, outfile=None):
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"""Write info about all bzrdir components to stdout"""
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layout = describe_layout(repository, branch, working, control)
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format = describe_format(control, repository, branch, working)
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outfile.write("%s (format: %s)\n" % (layout, format))
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gather_location_info(control=control, repository=repository,
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branch=branch, working=working),
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if branch is not None:
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_show_related_info(branch, outfile)
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_show_format_info(control, repository, branch, working, outfile)
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_show_locking_info(repository, branch, working, outfile)
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_show_control_dir_info(control, outfile)
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if branch is not None:
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_show_missing_revisions_branch(branch, outfile)
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if working is not None:
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_show_missing_revisions_working(working, outfile)
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_show_working_stats(working, outfile)
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elif branch is not None:
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_show_missing_revisions_branch(branch, outfile)
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if branch is not None:
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show_committers = verbose >= 2
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stats = _show_branch_stats(branch, show_committers, outfile)
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elif repository is not None:
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stats = repository.gather_stats()
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if branch is None and working is None and repository is not None:
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_show_repository_info(repository, outfile)
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if repository is not None:
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_show_repository_stats(repository, stats, outfile)
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def describe_layout(repository=None, branch=None, tree=None, control=None):
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"""Convert a control directory layout into a user-understandable term
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Common outputs include "Standalone tree", "Repository branch" and
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"Checkout". Uncommon outputs include "Unshared repository with trees"
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and "Empty control directory"
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if branch is None and control is not None:
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branch_reference = control.get_branch_reference()
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except NotBranchError:
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if branch_reference is not None:
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return "Dangling branch reference"
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if repository is None:
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return 'Empty control directory'
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if branch is None and tree is None:
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if repository.is_shared():
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phrase = 'Shared repository'
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phrase = 'Unshared repository'
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if repository.make_working_trees():
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extra.append('trees')
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if len(control.get_branches()) > 0:
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extra.append('colocated branches')
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phrase += ' with ' + " and ".join(extra)
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if repository.is_shared():
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independence = "Repository "
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independence = "Standalone "
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if branch is None and tree is not None:
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phrase = "branchless tree"
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if (tree is not None and tree.controldir.control_url !=
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branch.controldir.control_url):
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phrase = "Lightweight checkout"
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elif branch.get_bound_location() is not None:
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if independence == 'Standalone ':
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phrase = "Bound branch"
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if independence != "":
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phrase = phrase.lower()
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return "%s%s" % (independence, phrase)
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def describe_format(control, repository, branch, tree):
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"""Determine the format of an existing control directory
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Several candidates may be found. If so, the names are returned as a
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single string, separated by ' or '.
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If no matching candidate is found, "unnamed" is returned.
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if (branch is not None and tree is not None and
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branch.user_url != tree.user_url):
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non_aliases = set(controldir.format_registry.keys())
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non_aliases.difference_update(controldir.format_registry.aliases())
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for key in non_aliases:
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format = controldir.format_registry.make_controldir(key)
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if isinstance(format, bzrdir.BzrDirMetaFormat1):
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if (tree and format.workingtree_format !=
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if (branch and format.get_branch_format() !=
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if (repository and format.repository_format !=
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if format.__class__ is not control._format.__class__:
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candidates.append(key)
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if len(candidates) == 0:
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new_candidates = [c for c in candidates if not
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controldir.format_registry.get_info(c).hidden]
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if len(new_candidates) > 0:
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# If there are any non-hidden formats that match, only return those to
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# avoid listing hidden formats except when only a hidden format will
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candidates = new_candidates
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return ' or '.join(candidates)
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class InfoHooks(_mod_hooks.Hooks):
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"""Hooks for the info command."""
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super(InfoHooks, self).__init__("breezy.info", "hooks")
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self.add_hook('repository',
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"Invoked when displaying the statistics for a repository. "
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"repository is called with a statistics dictionary as returned "
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"by the repository and a file-like object to write to.", (1, 15))