/usr/lib/python2.7/dist-packages/bzrlib/missing.py is in python-bzrlib 2.7.0-2ubuntu3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Display what revisions are missing in 'other' from 'this' and vice versa."""
from __future__ import absolute_import
from bzrlib import (
log,
symbol_versioning,
)
import bzrlib.revision as _mod_revision
def iter_log_revisions(revisions, revision_source, verbose, rev_tag_dict=None):
last_tree = revision_source.revision_tree(_mod_revision.NULL_REVISION)
last_rev_id = None
if rev_tag_dict is None:
rev_tag_dict = {}
for rev in revisions:
# We need the following for backward compatibilty (hopefully
# this will be deprecated soon :-/) -- vila 080911
if len(rev) == 2:
revno, rev_id = rev
merge_depth = 0
else:
revno, rev_id, merge_depth = rev
rev = revision_source.get_revision(rev_id)
if verbose:
delta = revision_source.get_revision_delta(rev_id)
else:
delta = None
yield log.LogRevision(rev, revno, merge_depth, delta=delta,
tags=rev_tag_dict.get(rev_id))
def find_unmerged(local_branch, remote_branch, restrict='all',
include_merged=None, backward=False,
local_revid_range=None, remote_revid_range=None,
include_merges=symbol_versioning.DEPRECATED_PARAMETER):
"""Find revisions from each side that have not been merged.
:param local_branch: Compare the history of local_branch
:param remote_branch: versus the history of remote_branch, and determine
mainline revisions which have not been merged.
:param restrict: ('all', 'local', 'remote') If 'all', we will return the
unique revisions from both sides. If 'local', we will return None
for the remote revisions, similarly if 'remote' we will return None for
the local revisions.
:param include_merged: Show mainline revisions only if False,
all revisions otherwise.
:param backward: Show oldest versions first when True, newest versions
first when False.
:param local_revid_range: Revision-id range for filtering local_branch
revisions (lower bound, upper bound)
:param remote_revid_range: Revision-id range for filtering remote_branch
revisions (lower bound, upper bound)
:param include_merges: Deprecated historical alias for include_merged
:return: A list of [(revno, revision_id)] for the mainline revisions on
each side.
"""
if symbol_versioning.deprecated_passed(include_merges):
symbol_versioning.warn(
'include_merges was deprecated in 2.5.'
' Use include_merged instead.',
DeprecationWarning, stacklevel=2)
if include_merged is None:
include_merged = include_merges
if include_merged is None:
include_merged = False
local_branch.lock_read()
try:
remote_branch.lock_read()
try:
return _find_unmerged(
local_branch, remote_branch, restrict=restrict,
include_merged=include_merged, backward=backward,
local_revid_range=local_revid_range,
remote_revid_range=remote_revid_range)
finally:
remote_branch.unlock()
finally:
local_branch.unlock()
def _enumerate_mainline(ancestry, graph, tip_revno, tip, backward=True):
"""Enumerate the mainline revisions for these revisions.
:param ancestry: A set of revisions that we care about
:param graph: A Graph which lets us find the parents for a revision
:param tip_revno: The revision number for the tip revision
:param tip: The tip of mainline
:param backward: Show oldest versions first when True, newest versions
first when False.
:return: [(revno, revision_id)] for all revisions in ancestry that
are left-hand parents from tip, or None if ancestry is None.
"""
if ancestry is None:
return None
if not ancestry: #Empty ancestry, no need to do any work
return []
# Optionally, we could make 1 call to graph.get_parent_map with all
# ancestors. However that will often check many more parents than we
# actually need, and the Graph is likely to already have the parents cached
# anyway.
mainline = []
cur = tip
cur_revno = tip_revno
while cur in ancestry:
parent_map = graph.get_parent_map([cur])
parents = parent_map.get(cur)
if not parents:
break # Ghost, we are done
mainline.append((str(cur_revno), cur))
cur = parents[0]
cur_revno -= 1
if not backward:
mainline.reverse()
return mainline
def _enumerate_with_merges(branch, ancestry, graph, tip_revno, tip,
backward=True):
"""Enumerate the revisions for the ancestry.
:param branch: The branch we care about
:param ancestry: A set of revisions that we care about
:param graph: A Graph which lets us find the parents for a revision
:param tip_revno: The revision number for the tip revision
:param tip: The tip of the ancsetry
:param backward: Show oldest versions first when True, newest versions
first when False.
:return: [(revno, revision_id)] for all revisions in ancestry that
are parents from tip, or None if ancestry is None.
"""
if ancestry is None:
return None
if not ancestry: #Empty ancestry, no need to do any work
return []
merge_sorted_revisions = branch.iter_merge_sorted_revisions()
# Now that we got the correct revnos, keep only the relevant
# revisions.
merge_sorted_revisions = [
# log.reverse_by_depth expects seq_num to be present, but it is
# stripped by iter_merge_sorted_revisions()
(0, revid, n, d, e) for revid, n, d, e in merge_sorted_revisions
if revid in ancestry]
if not backward:
merge_sorted_revisions = log.reverse_by_depth(merge_sorted_revisions)
revline = []
for seq, rev_id, merge_depth, revno, end_of_merge in merge_sorted_revisions:
revline.append(('.'.join(map(str, revno)), rev_id, merge_depth))
return revline
def _filter_revs(graph, revs, revid_range):
if revid_range is None or revs is None:
return revs
return [rev for rev in revs
if graph.is_between(rev[1], revid_range[0], revid_range[1])]
def _find_unmerged(local_branch, remote_branch, restrict,
include_merged, backward,
local_revid_range=None, remote_revid_range=None):
"""See find_unmerged.
The branches should already be locked before entering.
"""
local_revno, local_revision_id = local_branch.last_revision_info()
remote_revno, remote_revision_id = remote_branch.last_revision_info()
if local_revno == remote_revno and local_revision_id == remote_revision_id:
# A simple shortcut when the tips are at the same point
return [], []
graph = local_branch.repository.get_graph(remote_branch.repository)
if restrict == 'remote':
local_extra = None
remote_extra = graph.find_unique_ancestors(remote_revision_id,
[local_revision_id])
elif restrict == 'local':
remote_extra = None
local_extra = graph.find_unique_ancestors(local_revision_id,
[remote_revision_id])
else:
if restrict != 'all':
raise ValueError('param restrict not one of "all", "local",'
' "remote": %r' % (restrict,))
local_extra, remote_extra = graph.find_difference(local_revision_id,
remote_revision_id)
if include_merged:
locals = _enumerate_with_merges(local_branch, local_extra,
graph, local_revno,
local_revision_id, backward)
remotes = _enumerate_with_merges(remote_branch, remote_extra,
graph, remote_revno,
remote_revision_id, backward)
else:
# Now that we have unique ancestors, compute just the mainline, and
# generate revnos for them.
locals = _enumerate_mainline(local_extra, graph, local_revno,
local_revision_id, backward)
remotes = _enumerate_mainline(remote_extra, graph, remote_revno,
remote_revision_id, backward)
return _filter_revs(graph, locals, local_revid_range), _filter_revs(graph,
remotes, remote_revid_range)
def sorted_revisions(revisions, history_map):
revisions = [(history_map[r],r) for r in revisions]
revisions.sort()
return revisions
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