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  • Committer: Martin Pool
  • Date: 2005-08-18 07:51:58 UTC
  • Revision ID: mbp@sourcefrog.net-20050818075157-5f69075fa843d558
- add space to store revision-id in weave files

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# Copyright (C) 2005, 2006 Canonical Ltd
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#
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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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#
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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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#
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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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19
 
from bzrlib import ui
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from bzrlib.log import (
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    LogRevision,
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    )
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from bzrlib.symbol_versioning import (
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    deprecated_function,
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    zero_seventeen,
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    )
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28
 
 
29
 
@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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34
 
 
35
 
def iter_log_revisions(revisions, revision_source, verbose):
36
 
    last_tree = revision_source.revision_tree(None)
37
 
    last_rev_id = None
38
 
    for revno, rev_id in revisions:
39
 
        rev = revision_source.get_revision(rev_id)
 
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#!/usr/bin/env python
 
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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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"""
 
5
 
 
6
import bzrlib
 
7
 
 
8
try:
 
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    set
 
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except NameError:
 
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    from sets import Set as set
 
12
 
 
13
 
 
14
def get_parent(branch):
 
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    """Get the last pull/push location.
 
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    TODO: This should probably be part of a Branch object.
 
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    """
 
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    import errno
 
20
    _locs = ['parent', 'pull', 'x-pull']
 
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    loc = None
 
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    for l in _locs:
 
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        try:
 
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            stored_loc = branch.controlfile(l, 'rb').read().strip('\n')
 
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        except IOError, e:
 
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            if e.errno != errno.ENOENT:
 
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                raise
 
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        else:
 
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            return stored_loc
 
30
 
 
31
 
 
32
def show_missing(br_local, br_remote, verbose=False, quiet=False):
 
33
    """Show the revisions which exist in br_remote, that 
 
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    do not exist in br_local.
 
35
    """
 
36
    from bzrlib.log import show_one_log
 
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    import sys
 
38
    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
 
50
    if quiet:
 
51
        return 1
 
52
 
 
53
    # Check for divergence
 
54
    common_idx = min(len(local_history), len(remote_history)) - 1
 
55
    if common_idx >= 0 and local_history[common_idx] != remote_history[common_idx]:
 
56
        print 'Trees have diverged'
 
57
 
 
58
    local_rev_set = set(local_history)
 
59
 
 
60
    # Find the last common revision between the two trees
 
61
    revno = 0
 
62
    for revno, (local_rev, remote_rev) in enumerate(zip(local_history, remote_history)):
 
63
        if local_rev != remote_rev:
 
64
            break
 
65
 
 
66
    missing_remote = []
 
67
    for rno, rev_id in enumerate(remote_history[revno:]):
 
68
        # This assumes that you can have a revision in the
 
69
        # local history, which does not have the same ancestry
 
70
        # as the remote ancestry.
 
71
        # This may or may not be possible.
 
72
        # In the future this should also checked for merged revisions.
 
73
        if rev_id not in local_rev_set:
 
74
            missing_remote.append((rno+revno+1, rev_id))
 
75
 
 
76
    print 'Missing %d revisions' %  len(missing_remote)
 
77
    print
 
78
 
 
79
    if verbose:
 
80
        from bzrlib.diff import compare_trees
 
81
        from bzrlib.tree import EmptyTree
 
82
        show_ids = True
 
83
        last_tree = EmptyTree
 
84
        last_rev_id = None
 
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    else:
 
86
        show_ids = False
 
87
    for revno, rev_id in missing_remote:
 
88
        rev = br_remote.get_revision(rev_id)
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89
        if verbose:
41
 
            remote_tree = revision_source.revision_tree(rev_id)
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            parent_rev_id = rev.parent_ids[0]
 
90
            parent_rev_id = rev.parents[0].revision_id
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            if last_rev_id == parent_rev_id:
44
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                parent_tree = last_tree
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93
            else:
46
 
                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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96
            last_rev_id = rev_id
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97
            last_tree = revision_tree
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            delta = revision_tree.changes_from(parent_tree)
 
98
            delta = compare_trees(revision_tree, parent_tree)
51
99
        else:
52
100
            delta = None
53
 
        yield LogRevision(rev, revno, delta=delta)
54
 
 
55
 
 
56
 
def find_unmerged(local_branch, remote_branch):
57
 
    progress = ui.ui_factory.nested_progress_bar()
58
 
    local_branch.lock_read()
59
 
    try:
60
 
        remote_branch.lock_read()
61
 
        try:
62
 
            local_rev_history, local_rev_history_map = \
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                _get_history(local_branch, progress, "local", 0)
64
 
            remote_rev_history, remote_rev_history_map = \
65
 
                _get_history(remote_branch, progress, "remote", 1)
66
 
            result = _shortcut(local_rev_history, remote_rev_history)
67
 
            if result is not None:
68
 
                local_extra, remote_extra = result
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                local_extra = sorted_revisions(local_extra, 
70
 
                                               local_rev_history_map)
71
 
                remote_extra = sorted_revisions(remote_extra, 
72
 
                                                remote_rev_history_map)
73
 
                return local_extra, remote_extra
74
 
 
75
 
            local_ancestry = _get_ancestry(local_branch.repository, progress, 
76
 
                                           "local", 2, local_rev_history)
77
 
            remote_ancestry = _get_ancestry(remote_branch.repository, progress,
78
 
                                            "remote", 3, remote_rev_history)
79
 
            progress.update('pondering', 4, 5)
80
 
            extras = local_ancestry.symmetric_difference(remote_ancestry) 
81
 
            local_extra = extras.intersection(set(local_rev_history))
82
 
            remote_extra = extras.intersection(set(remote_rev_history))
83
 
            local_extra = sorted_revisions(local_extra, local_rev_history_map)
84
 
            remote_extra = sorted_revisions(remote_extra, 
85
 
                                            remote_rev_history_map)
86
 
                    
87
 
        finally:
88
 
            remote_branch.unlock()
89
 
    finally:
90
 
        local_branch.unlock()
91
 
        progress.finished()
92
 
    return (local_extra, remote_extra)
93
 
 
94
 
def _shortcut(local_rev_history, remote_rev_history):
95
 
    local_history = set(local_rev_history)
96
 
    remote_history = set(remote_rev_history)
97
 
    if len(local_rev_history) == 0:
98
 
        return set(), remote_history
99
 
    elif len(remote_rev_history) == 0:
100
 
        return local_history, set()
101
 
    elif local_rev_history[-1] in remote_history:
102
 
        return set(), _after(remote_rev_history, local_rev_history)
103
 
    elif remote_rev_history[-1] in local_history:
104
 
        return _after(local_rev_history, remote_rev_history), set()
105
 
    else:
106
 
        return None
107
 
 
108
 
def _after(larger_history, smaller_history):
109
 
    return set(larger_history[larger_history.index(smaller_history[-1])+1:])
110
 
 
111
 
def _get_history(branch, progress, label, step):
112
 
    progress.update('%s history' % label, step, 5)
113
 
    rev_history = branch.revision_history()
114
 
    rev_history_map = dict(
115
 
        [(rev, rev_history.index(rev) + 1)
116
 
         for rev in rev_history])
117
 
    return rev_history, rev_history_map
118
 
 
119
 
def _get_ancestry(repository, progress, label, step, rev_history):
120
 
    progress.update('%s ancestry' % label, step, 5)
121
 
    if len(rev_history) > 0:
122
 
        ancestry = set(repository.get_ancestry(rev_history[-1],
123
 
                       topo_sorted=False))
124
 
    else:
125
 
        ancestry = set()
126
 
    return ancestry
127
 
    
128
 
 
129
 
def sorted_revisions(revisions, history_map):
130
 
    revisions = [(history_map[r],r) for r in revisions]
131
 
    revisions.sort()
132
 
    return revisions
 
101
 
 
102
        show_one_log(revno, rev, delta, verbose, sys.stdout, 'original')
 
103
    return 1
 
104