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# Copyright (C) 2005, 2006 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Display what revisions are missing in 'other' from 'this' and vice versa."""
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from bzrlib.log import (
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from bzrlib.symbol_versioning import (
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@deprecated_function(zero_seventeen)
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def iter_log_data(revisions, revision_source, verbose):
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for revision in iter_log_revisions(revisions, revision_source, verbose):
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yield revision.revno, revision.rev, revision.delta
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def iter_log_revisions(revisions, revision_source, verbose):
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last_tree = revision_source.revision_tree(None)
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for revno, rev_id in revisions:
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rev = revision_source.get_revision(rev_id)
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A plugin for displaying what revisions are in 'other' but not in local.
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from sets import Set as set
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def show_missing(br_local, br_remote, verbose=False, quiet=False):
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"""Show the revisions which exist in br_remote, that
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do not exist in br_local.
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from bzrlib.log import show_one_log
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local_history = br_local.revision_history()
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remote_history = br_remote.revision_history()
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if local_history == remote_history:
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print 'Trees are identical.'
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if local_history[:len(remote_history)] == remote_history:
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# Local is not missing anything from remote, so consider it
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print 'Local tree has all of remote revisions (remote is missing local)'
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# Check for divergence
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common_idx = min(len(local_history), len(remote_history)) - 1
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if common_idx >= 0 and local_history[common_idx] != remote_history[common_idx]:
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print 'Trees have diverged'
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local_rev_set = set(local_history)
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# Find the last common revision between the two trees
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for revno, (local_rev, remote_rev) in enumerate(zip(local_history, remote_history)):
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if local_rev != remote_rev:
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for rno, rev_id in enumerate(remote_history[revno:]):
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# This assumes that you can have a revision in the
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# local history, which does not have the same ancestry
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# as the remote ancestry.
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# This may or may not be possible.
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# In the future this should also checked for merged revisions.
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if rev_id not in local_rev_set:
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missing_remote.append((rno+revno+1, rev_id))
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print 'Missing %d revisions' % len(missing_remote)
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from bzrlib.diff import compare_trees
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from bzrlib.tree import EmptyTree
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for revno, rev_id in missing_remote:
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rev = br_remote.get_revision(rev_id)
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remote_tree = revision_source.revision_tree(rev_id)
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parent_rev_id = rev.parent_ids[0]
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parent_rev_id = rev.parents[0].revision_id
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if last_rev_id == parent_rev_id:
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parent_tree = last_tree
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parent_tree = revision_source.revision_tree(parent_rev_id)
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revision_tree = revision_source.revision_tree(rev_id)
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parent_tree = br_remote.revision_tree(parent_rev_id)
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revision_tree = br_remote.revision_tree(rev_id)
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last_rev_id = rev_id
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last_tree = revision_tree
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delta = revision_tree.changes_from(parent_tree)
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delta = compare_trees(revision_tree, parent_tree)
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yield LogRevision(rev, revno, delta=delta)
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def find_unmerged(local_branch, remote_branch):
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progress = ui.ui_factory.nested_progress_bar()
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local_branch.lock_read()
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remote_branch.lock_read()
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local_rev_history, local_rev_history_map = \
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_get_history(local_branch, progress, "local", 0)
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remote_rev_history, remote_rev_history_map = \
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_get_history(remote_branch, progress, "remote", 1)
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result = _shortcut(local_rev_history, remote_rev_history)
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if result is not None:
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local_extra, remote_extra = result
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local_extra = sorted_revisions(local_extra,
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local_rev_history_map)
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remote_extra = sorted_revisions(remote_extra,
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remote_rev_history_map)
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return local_extra, remote_extra
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local_ancestry = _get_ancestry(local_branch.repository, progress,
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"local", 2, local_rev_history)
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remote_ancestry = _get_ancestry(remote_branch.repository, progress,
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"remote", 3, remote_rev_history)
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progress.update('pondering', 4, 5)
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extras = local_ancestry.symmetric_difference(remote_ancestry)
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local_extra = extras.intersection(set(local_rev_history))
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remote_extra = extras.intersection(set(remote_rev_history))
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local_extra = sorted_revisions(local_extra, local_rev_history_map)
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remote_extra = sorted_revisions(remote_extra,
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remote_rev_history_map)
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remote_branch.unlock()
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return (local_extra, remote_extra)
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def _shortcut(local_rev_history, remote_rev_history):
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local_history = set(local_rev_history)
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remote_history = set(remote_rev_history)
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if len(local_rev_history) == 0:
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return set(), remote_history
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elif len(remote_rev_history) == 0:
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return local_history, set()
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elif local_rev_history[-1] in remote_history:
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return set(), _after(remote_rev_history, local_rev_history)
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elif remote_rev_history[-1] in local_history:
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return _after(local_rev_history, remote_rev_history), set()
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def _after(larger_history, smaller_history):
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return set(larger_history[larger_history.index(smaller_history[-1])+1:])
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def _get_history(branch, progress, label, step):
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progress.update('%s history' % label, step, 5)
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rev_history = branch.revision_history()
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rev_history_map = dict(
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[(rev, rev_history.index(rev) + 1)
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for rev in rev_history])
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return rev_history, rev_history_map
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def _get_ancestry(repository, progress, label, step, rev_history):
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progress.update('%s ancestry' % label, step, 5)
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if len(rev_history) > 0:
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ancestry = set(repository.get_ancestry(rev_history[-1]))
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def sorted_revisions(revisions, history_map):
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revisions = [(history_map[r],r) for r in revisions]
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show_one_log(revno, rev, delta, verbose, sys.stdout, 'original')
added
removed
bzrlib/missing.py
