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  • Committer: Martin Pool
  • Date: 2010-02-25 06:17:27 UTC
  • mfrom: (5055 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5057.
  • Revision ID: mbp@sourcefrog.net-20100225061727-4sd9lt0qmdc6087t
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bzrlib/workingtree.py
101
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from bzrlib.filters import filtered_input_file
102
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from bzrlib.trace import mutter, note
103
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from bzrlib.transport.local import LocalTransport
104
 
from bzrlib.progress import DummyProgress, ProgressPhase
 
104
from bzrlib.progress import ProgressPhase
105
105
from bzrlib.revision import CURRENT_REVISION
106
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from bzrlib.rio import RioReader, rio_file, Stanza
107
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from bzrlib.symbol_versioning import (
912
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            branch.last_revision().
913
913
        """
914
914
        from bzrlib.merge import Merger, Merge3Merger
915
 
        pb = ui.ui_factory.nested_progress_bar()
916
 
        try:
917
 
            merger = Merger(self.branch, this_tree=self, pb=pb)
918
 
            merger.pp = ProgressPhase("Merge phase", 5, pb)
919
 
            merger.pp.next_phase()
920
 
            # check that there are no local alterations
921
 
            if not force and self.has_changes():
922
 
                raise errors.UncommittedChanges(self)
923
 
            if to_revision is None:
924
 
                to_revision = _mod_revision.ensure_null(branch.last_revision())
925
 
            merger.other_rev_id = to_revision
926
 
            if _mod_revision.is_null(merger.other_rev_id):
927
 
                raise errors.NoCommits(branch)
928
 
            self.branch.fetch(branch, last_revision=merger.other_rev_id)
929
 
            merger.other_basis = merger.other_rev_id
930
 
            merger.other_tree = self.branch.repository.revision_tree(
931
 
                merger.other_rev_id)
932
 
            merger.other_branch = branch
933
 
            merger.pp.next_phase()
934
 
            if from_revision is None:
935
 
                merger.find_base()
936
 
            else:
937
 
                merger.set_base_revision(from_revision, branch)
938
 
            if merger.base_rev_id == merger.other_rev_id:
939
 
                raise errors.PointlessMerge
940
 
            merger.backup_files = False
941
 
            if merge_type is None:
942
 
                merger.merge_type = Merge3Merger
943
 
            else:
944
 
                merger.merge_type = merge_type
945
 
            merger.set_interesting_files(None)
946
 
            merger.show_base = False
947
 
            merger.reprocess = False
948
 
            conflicts = merger.do_merge()
949
 
            merger.set_pending()
950
 
        finally:
951
 
            pb.finished()
 
915
        merger = Merger(self.branch, this_tree=self)
 
916
        # check that there are no local alterations
 
917
        if not force and self.has_changes():
 
918
            raise errors.UncommittedChanges(self)
 
919
        if to_revision is None:
 
920
            to_revision = _mod_revision.ensure_null(branch.last_revision())
 
921
        merger.other_rev_id = to_revision
 
922
        if _mod_revision.is_null(merger.other_rev_id):
 
923
            raise errors.NoCommits(branch)
 
924
        self.branch.fetch(branch, last_revision=merger.other_rev_id)
 
925
        merger.other_basis = merger.other_rev_id
 
926
        merger.other_tree = self.branch.repository.revision_tree(
 
927
            merger.other_rev_id)
 
928
        merger.other_branch = branch
 
929
        if from_revision is None:
 
930
            merger.find_base()
 
931
        else:
 
932
            merger.set_base_revision(from_revision, branch)
 
933
        if merger.base_rev_id == merger.other_rev_id:
 
934
            raise errors.PointlessMerge
 
935
        merger.backup_files = False
 
936
        if merge_type is None:
 
937
            merger.merge_type = Merge3Merger
 
938
        else:
 
939
            merger.merge_type = merge_type
 
940
        merger.set_interesting_files(None)
 
941
        merger.show_base = False
 
942
        merger.reprocess = False
 
943
        conflicts = merger.do_merge()
 
944
        merger.set_pending()
952
945
        return conflicts
953
946
 
954
947
    @needs_read_lock
1605
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    @needs_write_lock
1606
1599
    def pull(self, source, overwrite=False, stop_revision=None,
1607
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             change_reporter=None, possible_transports=None, local=False):
1608
 
        top_pb = ui.ui_factory.nested_progress_bar()
1609
1601
        source.lock_read()
1610
1602
        try:
1611
 
            pp = ProgressPhase("Pull phase", 2, top_pb)
1612
 
            pp.next_phase()
1613
1603
            old_revision_info = self.branch.last_revision_info()
1614
1604
            basis_tree = self.basis_tree()
1615
1605
            count = self.branch.pull(source, overwrite, stop_revision,
1617
1607
                                     local=local)
1618
1608
            new_revision_info = self.branch.last_revision_info()
1619
1609
            if new_revision_info != old_revision_info:
1620
 
                pp.next_phase()
1621
1610
                repository = self.branch.repository
1622
 
                pb = ui.ui_factory.nested_progress_bar()
1623
1611
                basis_tree.lock_read()
1624
1612
                try:
1625
1613
                    new_basis_tree = self.branch.basis_tree()
1628
1616
                                new_basis_tree,
1629
1617
                                basis_tree,
1630
1618
                                this_tree=self,
1631
 
                                pb=pb,
 
1619
                                pb=None,
1632
1620
                                change_reporter=change_reporter)
1633
1621
                    basis_root_id = basis_tree.get_root_id()
1634
1622
                    new_root_id = new_basis_tree.get_root_id()
1635
1623
                    if basis_root_id != new_root_id:
1636
1624
                        self.set_root_id(new_root_id)
1637
1625
                finally:
1638
 
                    pb.finished()
1639
1626
                    basis_tree.unlock()
1640
1627
                # TODO - dedup parents list with things merged by pull ?
1641
1628
                # reuse the revisiontree we merged against to set the new
1654
1641
            return count
1655
1642
        finally:
1656
1643
            source.unlock()
1657
 
            top_pb.finished()
1658
1644
 
1659
1645
    @needs_write_lock
1660
1646
    def put_file_bytes_non_atomic(self, file_id, bytes):
2069
2055
 
2070
2056
    @needs_tree_write_lock
2071
2057
    def revert(self, filenames=None, old_tree=None, backups=True,
2072
 
               pb=DummyProgress(), report_changes=False):
 
2058
               pb=None, report_changes=False):
2073
2059
        from bzrlib.conflicts import resolve
2074
2060
        if filenames == []:
2075
2061
            filenames = None
2264
2250
        # We MUST save it even if an error occurs, because otherwise the users
2265
2251
        # local work is unreferenced and will appear to have been lost.
2266
2252
        #
2267
 
        result = 0
 
2253
        nb_conflicts = 0
2268
2254
        try:
2269
2255
            last_rev = self.get_parent_ids()[0]
2270
2256
        except IndexError:
2274
2260
        else:
2275
2261
            if revision not in self.branch.revision_history():
2276
2262
                raise errors.NoSuchRevision(self.branch, revision)
 
2263
 
 
2264
        old_tip = old_tip or _mod_revision.NULL_REVISION
 
2265
 
 
2266
        if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
 
2267
            # the branch we are bound to was updated
 
2268
            # merge those changes in first
 
2269
            base_tree  = self.basis_tree()
 
2270
            other_tree = self.branch.repository.revision_tree(old_tip)
 
2271
            nb_conflicts = merge.merge_inner(self.branch, other_tree,
 
2272
                                             base_tree, this_tree=self,
 
2273
                                             change_reporter=change_reporter)
 
2274
            if nb_conflicts:
 
2275
                self.add_parent_tree((old_tip, other_tree))
 
2276
                trace.note('Rerun update after fixing the conflicts.')
 
2277
                return nb_conflicts
 
2278
 
2277
2279
        if last_rev != _mod_revision.ensure_null(revision):
2278
 
            # merge tree state up to specified revision.
 
2280
            # the working tree is up to date with the branch
 
2281
            # we can merge the specified revision from master
 
2282
            to_tree = self.branch.repository.revision_tree(revision)
 
2283
            to_root_id = to_tree.get_root_id()
 
2284
 
2279
2285
            basis = self.basis_tree()
2280
2286
            basis.lock_read()
2281
2287
            try:
2282
 
                to_tree = self.branch.repository.revision_tree(revision)
2283
 
                to_root_id = to_tree.get_root_id()
2284
2288
                if (basis.inventory.root is None
2285
2289
                    or basis.inventory.root.file_id != to_root_id):
2286
2290
                    self.set_root_id(to_root_id)
2287
2291
                    self.flush()
2288
 
                result += merge.merge_inner(
2289
 
                                      self.branch,
2290
 
                                      to_tree,
2291
 
                                      basis,
2292
 
                                      this_tree=self,
2293
 
                                      change_reporter=change_reporter)
2294
 
                self.set_last_revision(revision)
2295
2292
            finally:
2296
2293
                basis.unlock()
 
2294
 
 
2295
            # determine the branch point
 
2296
            graph = self.branch.repository.get_graph()
 
2297
            base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
 
2298
                                                last_rev)
 
2299
            base_tree = self.branch.repository.revision_tree(base_rev_id)
 
2300
 
 
2301
            nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
 
2302
                                             this_tree=self,
 
2303
                                             change_reporter=change_reporter)
 
2304
            self.set_last_revision(revision)
2297
2305
            # TODO - dedup parents list with things merged by pull ?
2298
2306
            # reuse the tree we've updated to to set the basis:
2299
2307
            parent_trees = [(revision, to_tree)]
2306
2314
            for parent in merges:
2307
2315
                parent_trees.append(
2308
2316
                    (parent, self.branch.repository.revision_tree(parent)))
2309
 
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
 
2317
            if not _mod_revision.is_null(old_tip):
2310
2318
                parent_trees.append(
2311
2319
                    (old_tip, self.branch.repository.revision_tree(old_tip)))
2312
2320
            self.set_parent_trees(parent_trees)
2313
2321
            last_rev = parent_trees[0][0]
2314
 
        else:
2315
 
            # the working tree had the same last-revision as the master
2316
 
            # branch did. We may still have pivot local work from the local
2317
 
            # branch into old_tip:
2318
 
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2319
 
                self.add_parent_tree_id(old_tip)
2320
 
        if (old_tip is not None and not _mod_revision.is_null(old_tip)
2321
 
            and old_tip != last_rev):
2322
 
            # our last revision was not the prior branch last revision
2323
 
            # and we have converted that last revision to a pending merge.
2324
 
            # base is somewhere between the branch tip now
2325
 
            # and the now pending merge
2326
 
 
2327
 
            # Since we just modified the working tree and inventory, flush out
2328
 
            # the current state, before we modify it again.
2329
 
            # TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2330
 
            #       requires it only because TreeTransform directly munges the
2331
 
            #       inventory and calls tree._write_inventory(). Ultimately we
2332
 
            #       should be able to remove this extra flush.
2333
 
            self.flush()
2334
 
            graph = self.branch.repository.get_graph()
2335
 
            base_rev_id = graph.find_unique_lca(revision, old_tip)
2336
 
            base_tree = self.branch.repository.revision_tree(base_rev_id)
2337
 
            other_tree = self.branch.repository.revision_tree(old_tip)
2338
 
            result += merge.merge_inner(
2339
 
                                  self.branch,
2340
 
                                  other_tree,
2341
 
                                  base_tree,
2342
 
                                  this_tree=self,
2343
 
                                  change_reporter=change_reporter)
2344
 
        return result
 
2322
        return nb_conflicts
2345
2323
 
2346
2324
    def _write_hashcache_if_dirty(self):
2347
2325
        """Write out the hashcache if it is dirty."""