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"""Display what revisions are missing in 'other' from 'this' and vice versa."""
import bzrlib.ui as ui
def iter_log_data(revisions, revision_source, verbose):
from bzrlib.diff import compare_trees
last_tree = revision_source.revision_tree(None)
last_rev_id = None
for revno, rev_id in revisions:
rev = revision_source.get_revision(rev_id)
if verbose:
remote_tree = revision_source.revision_tree(rev_id)
parent_rev_id = rev.parent_ids[0]
if last_rev_id == parent_rev_id:
parent_tree = last_tree
else:
parent_tree = revision_source.revision_tree(parent_rev_id)
revision_tree = revision_source.revision_tree(rev_id)
last_rev_id = rev_id
last_tree = revision_tree
delta = compare_trees(revision_tree, parent_tree)
else:
delta = None
yield revno, rev, delta
def find_unmerged(local_branch, remote_branch):
progress = ui.ui_factory.nested_progress_bar()
local_branch.lock_read()
try:
remote_branch.lock_read()
try:
local_rev_history, local_rev_history_map = \
_get_history(local_branch, progress, "local", 0)
remote_rev_history, remote_rev_history_map = \
_get_history(remote_branch, progress, "remote", 1)
result = _shortcut(local_rev_history, remote_rev_history)
if result is not None:
local_extra, remote_extra = result
local_extra = sorted_revisions(local_extra,
local_rev_history_map)
remote_extra = sorted_revisions(remote_extra,
remote_rev_history_map)
return local_extra, remote_extra
local_ancestry = _get_ancestry(local_branch.repository, progress,
"local", 2, local_rev_history)
remote_ancestry = _get_ancestry(remote_branch.repository, progress,
"remote", 3, remote_rev_history)
progress.update('pondering', 4, 5)
extras = local_ancestry.symmetric_difference(remote_ancestry)
local_extra = extras.intersection(set(local_rev_history))
remote_extra = extras.intersection(set(remote_rev_history))
local_extra = sorted_revisions(local_extra, local_rev_history_map)
remote_extra = sorted_revisions(remote_extra,
remote_rev_history_map)
finally:
remote_branch.unlock()
finally:
local_branch.unlock()
progress.finished()
return (local_extra, remote_extra)
def _shortcut(local_rev_history, remote_rev_history):
local_history = set(local_rev_history)
remote_history = set(remote_rev_history)
if len(local_rev_history) == 0:
return set(), remote_history
elif len(remote_rev_history) == 0:
return local_history, set()
elif local_rev_history[-1] in remote_history:
return set(), _after(remote_rev_history, local_rev_history)
elif remote_rev_history[-1] in local_history:
return _after(local_rev_history, remote_rev_history), set()
else:
return None
def _after(larger_history, smaller_history):
return set(larger_history[larger_history.index(smaller_history[-1])+1:])
def _get_history(branch, progress, label, step):
progress.update('%s history' % label, step, 5)
rev_history = branch.revision_history()
rev_history_map = dict(
[(rev, rev_history.index(rev) + 1)
for rev in rev_history])
return rev_history, rev_history_map
def _get_ancestry(repository, progress, label, step, rev_history):
progress.update('%s ancestry' % label, step, 5)
if len(rev_history) > 0:
ancestry = set(repository.get_ancestry(rev_history[-1]))
else:
ancestry = set()
return ancestry
def sorted_revisions(revisions, history_map):
revisions = [(history_map[r],r) for r in revisions]
revisions.sort()
return revisions
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