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974.1.26
by aaron.bentley at utoronto
merged mbp@sourcefrog.net-20050817233101-0939da1cf91f2472 |
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"""\
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A plugin for displaying what revisions are in 'other' but not in local.
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"""
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import bzrlib |
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try: |
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set
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except NameError: |
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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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"""
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from bzrlib.log import show_one_log |
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import sys |
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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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if not quiet: |
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print 'Trees are identical.' |
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return 0 |
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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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# up-to-date
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if not quiet: |
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print 'Local tree has all of remote revisions (remote is missing local)' |
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return 0 |
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if quiet: |
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return 1 |
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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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revno = 0 |
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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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break
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missing_remote = [] |
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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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print
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if verbose: |
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from bzrlib.diff import compare_trees |
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from bzrlib.tree import EmptyTree |
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show_ids = True |
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last_tree = EmptyTree |
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last_rev_id = None |
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else: |
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show_ids = False |
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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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if verbose: |
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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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else: |
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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 = compare_trees(revision_tree, parent_tree) |
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else: |
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delta = None |
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show_one_log(revno, rev, delta, verbose, sys.stdout, 'original') |
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return 1 |
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